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Proceedings Volume Cover

ASME 2011 International Mechanical Engineering Congress and Exposition

November 11–17, 2011

Denver, Colorado, USA

Conference Sponsors:

ISBN:

978-0-7918-5496-9

In This Volume

Heat and Mass Transport Processes (154)

Volume 10: Heat and Mass Transport Processes, Parts A and B

Heat and Mass Transport Processes

Advances in Heat Transfer Equipment

FINLESS Heat Sinks, High Performance and Low Cost for Low Profile Cooling Applications

Ed Walsh, Ronan Grimes, Patrick Walsh, Jason Stafford

IMECE 2011; 1-9doi:https://doi.org/10.1115/IMECE2011-62012

Topics: Boundary layers , Cooling , Design , Electronics , Flow (Dynamics) , Heat sinks , Heat transfer , Heat transfer coefficients , Imaging , Laminar flow

New Correlations for Thermal Resistances of Vertical Single U-Shape Ground Heat Exchanger

Quan Liao, Chao Zhou, Wenzhi Cui, Tien-Chien Jen

IMECE 2011; 11-17doi:https://doi.org/10.1115/IMECE2011-62437

Topics: Heat exchangers , Shapes , Pipes , Temperature distribution

Performance Analysis of a Countercurrent Flow Heat Exchanger Placed on the Truck Compartment Roof

Wamei Lin, Jinliang Yuan, Bengt Sunde´n

IMECE 2011; 19-25doi:https://doi.org/10.1115/IMECE2011-62520

Topics: Flow (Dynamics) , Heat exchangers , Roofs , Trucks , Vehicles , Computational fluid dynamics , Cross-flow , Computer software , Cooling , Fins

Experimental Study on Shell Side Heat Transfer Performance of Circumferential Overlap Trisection Helical Baffle Heat Exchangers

Yaping Chen, Ruibing Cao, Jiafeng Wu, Cong Dong, Yanjun Sheng

IMECE 2011; 27-33doi:https://doi.org/10.1115/IMECE2011-63254

Topics: Heat exchangers , Heat transfer , Shells

The Influence of Heat Spreading on the Thermal Control of Photonics Integrated Circuits

Se´amus Hickey, Jeff Punch, John Daly, Nicholas Jeffers

IMECE 2011; 35-42doi:https://doi.org/10.1115/IMECE2011-63697

Topics: Flat heat pipes , Heat , Integrated circuits , Photonics

Heat Transfer Performance for a Falling-Film on Horizontal Flat Tubes

X. F. Wang, P. S. Hrnjak, S. Elbel, A. M. Jacobi, M. G. He

IMECE 2011; 43-50doi:https://doi.org/10.1115/IMECE2011-63970

Topics: Heat transfer , Flow (Dynamics) , Drops , Flux (Metallurgy) , Heat , Heat flux , Heat transfer coefficients , Water

Experimental Study of Wetting Anisotropy and Condensate Drainage Enhancement on Microgrooved Aluminum Surface

M. A. Rahman, A. M. Jacobi

IMECE 2011; 51-59doi:https://doi.org/10.1115/IMECE2011-64247

Topics: Aluminum , Anisotropy , Condensed matter , Drainage , Wetting , Water , Cycles , Temperature , Air conditioning , Condensation

Wetting Behavior and Drainage of Water Droplets on Microgrooved Brass Surface

M. A. Rahman, A. M. Jacobi

IMECE 2011; 61-69doi:https://doi.org/10.1115/IMECE2011-64255

Topics: Brass (Metal) , Drainage , Drops , Water , Wetting , Geometry , Dimensions , Gravity (Force) , Milling , Surface science

An In Situ Mechanism for the Optimal Cooling of Oil-Lubricated Rolling Element Bearings and Planetary Gear Systems

E. Y. A. Wornyoh, D. K. Patel, L. D. Schuessler

IMECE 2011; 71-80doi:https://doi.org/10.1115/IMECE2011-64614

Topics: Cooling , Planetary gears , Rolling bearings , Heat , Lubricants , Bearings , Gears , Coolants , Energy dissipation , Tribology

A Numerical Study of Air-Side Heat Transfer Enhancement Using V-Formation Delta-Winglet Vortex Generators in Heat Exchangers

Junling Xie, Liping Liu

IMECE 2011; 81-88doi:https://doi.org/10.1115/IMECE2011-65862

Topics: Generators , Heat exchangers , Heat transfer , Vortices , Pressure drop , Channel flow

Challenges in Heat Exchangers Design

Effect of Apex Angle on the Flow and Heat Transfer in Triangular Porous Ducts With Iso-Flux Boundary Conditions

S. Negin Mortazavi, Fatemeh Hassanipour

IMECE 2011; 89-97doi:https://doi.org/10.1115/IMECE2011-62227

Topics: Boundary-value problems , Ducts , Flow (Dynamics) , Heat transfer , Friction , Laminar flow , Temperature distribution

Numerical Analysis of Airside Characteristics in Plain and Wavy Heat Exchangers in the Turbulent Flow Regime

M. Ruhul Amin, Santhosh K. Ramachandran

IMECE 2011; 99-107doi:https://doi.org/10.1115/IMECE2011-62330

Topics: Heat exchangers , Numerical analysis , Turbulence , Heat transfer , Friction , Pressure drop , Finite volume methods , Flow (Dynamics)

Step Response of a Single-Pass Crossflow Heat Exchanger With Variable Inlet Temperatures and Mass Flow Rates

Karthik Silaipillayarputhur, Stephen A. Idem

IMECE 2011; 109-118doi:https://doi.org/10.1115/IMECE2011-62393

Topics: Flow (Dynamics) , Heat exchangers , Temperature , Fluids , Energy budget (Physics) , Finite difference methods , Steady state , Storage , Transients (Dynamics)

Obtaining Experimental Closure for the VAT-Based Energy Equations Modeling a Heat Sink as a Porous Medium

David J. Geb, Jonathan Chu, Feng Zhou, Ivan Catton

IMECE 2011; 119-128doi:https://doi.org/10.1115/IMECE2011-62638

Topics: Heat sinks , Modeling , Porous materials , Heat transfer coefficients , Fluids , Heat , Optimization , Air flow , Computational methods , Computer simulation

Influence of the Flow From an Axial Fan on the Performance of a Heat Exchanger

James Moore, Ronan Grimes, Ed Walsh

IMECE 2011; 129-138doi:https://doi.org/10.1115/IMECE2011-62696

Topics: Flow (Dynamics) , Heat exchangers , Condensers (steam plant) , Air flow , Heat transfer , Concentrating solar power , Cooling , Cross-flow , Heat flux , Particulate matter

Numerical Simulation of the Flow Boiling Heat Transfer Performance of R134a in a Microchannel Evaporator With Louvered Fins

Justin J. Gossard, Andrew D. Sommers

IMECE 2011; 139-145doi:https://doi.org/10.1115/IMECE2011-63243

Topics: Boiling , Computer simulation , Fins , Flow (Dynamics) , Heat transfer , Microchannels , Heat exchangers , Pressure drop , Refrigerants , Aerospace industry

Characterization of a Condenser for a High Performance Multi-Condenser Loop Heat Pipe

Daniel F. Hanks, Teresa B. Peters, John G. Brisson, Evelyn N. Wang

IMECE 2011; 147-152doi:https://doi.org/10.1115/IMECE2011-63250

Topics: Condensers (steam plant) , Heat pipes , Vapors , Design , Heat sinks , Pressure , Electronic systems , Flashing , Floods , Flow (Dynamics)

CFD Modeling of Plate Louvered Fin Heat Exchangers

Julio Medina, Antonio J. Bula, Guillermo Valencia

IMECE 2011; 153-158doi:https://doi.org/10.1115/IMECE2011-64440

Topics: Computational fluid dynamics , Heat exchangers , Heat transfer , Modeling , Fins , Geometry , Simulation , Flow (Dynamics) , Friction , Pressure drop

Computational Heat Transfer in Energy Systems

Thermoelastic Response of Thin-Walled Cylindrical Shell Under the Effect of Moving Point Load and Heat Source

Erno Keskinen, Timo Karvinen, Vladimir Dospel, Michel Cotsaftis

IMECE 2011; 159-168doi:https://doi.org/10.1115/IMECE2011-64171

Topics: Heat , Pipes , Stress , Thermoelasticity , Cylinders , Eigenfunctions , Grinding , Deformation , Temperature distribution , Delays

Modeling Thermal Mass of a Data Center Validated With Actual Data due to Chiller Failure

Vikneshan Sundaralingam, Steven Isaacs, Pramod Kumar, Yogendra Joshi

IMECE 2011; 169-175doi:https://doi.org/10.1115/IMECE2011-65573

Topics: Data centers , Failure , Modeling , Systems analysis

CFD Simulation of Thermocouple Measurement of Hot Gas Jets

Sassan Etemad

IMECE 2011; 177-186doi:https://doi.org/10.1115/IMECE2011-65865

Topics: Computational fluid dynamics , Jets , Simulation , Thermocouples , Temperature , Engineering simulation , Convection , Radiation (Physics) , Reynolds number , Errors

Fundamentals of High Heat Flux Removal Heat Transfer

A Numerical and Experimental Investigation of a Gas Propelled Liquid Droplet Impinging Onto a Heated Surface

Andres Diaz, Alfonso Ortega

IMECE 2011; 187-196doi:https://doi.org/10.1115/IMECE2011-62268

Topics: Drops , Sprays , Cooling , Pressure , Deformation , Heat , Kinetic energy , Vapors , Air jets , Cooling systems

Simulation of Mixed Convection Air Cooling of Protruding Heat Sources Mounted on One Side of a Vertical Channel

Rajat Dhingra, P. S. Ghoshdastidar

IMECE 2011; 197-208doi:https://doi.org/10.1115/IMECE2011-63289

Topics: Cooling , Heat , Mixed convection , Simulation

Identification of the Coherent Structures in Multiple Impinging Jets

Martin Draksler, Bosˇtjan Koncˇar

IMECE 2011; 209-216doi:https://doi.org/10.1115/IMECE2011-63531

Topics: Jets , Heat transfer , Cooling , Flow (Dynamics) , Heat , Turbulence , Computational fluid dynamics , Computer simulation , Drying , Modeling

CFD Analysis of the Vortex Dynamics Generated by a Synthetic Jet Impinging on a Heated Surface

Luis Silva, Alfonso Ortega

IMECE 2011; 217-225doi:https://doi.org/10.1115/IMECE2011-64185

Topics: Computational fluid dynamics , Dynamics (Mechanics) , Vortices , Heat transfer , Convection , Flow (Dynamics) , Diffusion (Physics) , Electronics , Energy dissipation , Fluids

Heat Transfer Performance of a Dual-Chamber Finned Solar Absorber for Concentrating Solar Evaporator Applications

Deborah A. Sunter, Van P. Carey

IMECE 2011; 227-234doi:https://doi.org/10.1115/IMECE2011-64204

Topics: Heat transfer , Solar energy , Design , Fins , Fluids , Heat losses , Strips , Superheaters

A Polymeric Piezoelectric Synthetic Jet for Electronic Cooling

Min Zhang, Terrence W. Simon, Longzhong Huang, Vinnee Bharathi A. Selvi, Mark T. North, Tianhong Cui

IMECE 2011; 235-239doi:https://doi.org/10.1115/IMECE2011-64392

Topics: Cantilevers , Cavities , Computer cooling , Cooling , Diaphragms (Mechanical devices) , Diaphragms (Structural) , Energy consumption , Heat sinks , Heat transfer coefficients , Jets

The Impact of GaN/Substrate Thermal Boundary Resistance on a HEMT Device

Horacio C. Nochetto, Nicholas R. Jankowski, Avram Bar-Cohen

IMECE 2011; 241-249doi:https://doi.org/10.1115/IMECE2011-65562

Topics: Gallium nitride , Interfacial thermal resistance , Temperature , Heat , Junctions , Design , Electron mobility , Engineering simulation , Finite element analysis , Simulation

Numerical Study of the Endwall Effects on Water Single-Phase Pressure Drop Across a Circular Micro-Pin-Fin Array

Jonathan R. Mita, Weilin Qu, Frank E. Pfefferkorn

IMECE 2011; 251-255doi:https://doi.org/10.1115/IMECE2011-65603

Topics: Fins , Pressure drop , Water

Fundamentals of Nanoscale Heat Transport

The Edge Effects on the Lattice Thermal Conductivity of Graphene Nanoribbons

Z. Wei, Z. Ni, K. Bi, J. Wang, Y. Chen

IMECE 2011; 257-261doi:https://doi.org/10.1115/IMECE2011-62094

Topics: Graphene , Thermal conductivity , Molecular dynamics simulation , Density , Phonons

Size Effects During Femtosecond Laser Interaction With Nanosized Metal Particles

Jing Huang, Yuwen Zhang, J. K. Chen

IMECE 2011; 263-272doi:https://doi.org/10.1115/IMECE2011-62151

Topics: Lasers , Metals , Particulate matter , Particle size , Fluence (Radiation measurement) , Melting , Sintering , Evaporation , Heat , Heating

Molecular Dynamics Simulation of Thermal Conductivity and Viscosity of a Nanofluid: Effect of Nanoparticle Aggregation

Hongbo Kang, Yuwen Zhang, Mo Yang, Ling Li

IMECE 2011; 273-281doi:https://doi.org/10.1115/IMECE2011-62297

Topics: Molecular dynamics simulation , Nanofluids , Nanoparticles , Thermal conductivity , Viscosity , Equilibrium (Physics) , Molecular dynamics

Near-Field Radiative Transfer Between Heavily Doped SiGe at Elevated Temperatures

Z. M. Zhang, E. T. Enikov, T. Makansi

IMECE 2011; 283-291doi:https://doi.org/10.1115/IMECE2011-62341

Topics: High temperature , Radiative heat transfer , Temperature , Alloys , Heat transfer coefficients , Electrical resistivity , Electrodynamics , Energy conversion , Heat flux , Mechanical admittance

Thermal Conductivity Estimation of Nano Graphene Using Equilibrium Molecular Dynamics With Andersen and Berendsen Thermostats

Masoud H. Khadem, Aaron P. Wemhoff

IMECE 2011; 293-299doi:https://doi.org/10.1115/IMECE2011-62562

Topics: Equilibrium (Physics) , Graphene , Molecular dynamics , Temperature controls , Thermal conductivity , Atoms , Carbon , Engineering simulation , Fluctuations (Physics) , Heat

Experimental Study on the Thermal Boundary Resistance Between an Individual Carbon Nanotube End and a Au Surface

Jun Hirotani, Tatsuya Ikuta, Takashi Nishiyama, Koji Takahashi

IMECE 2011; 301-302doi:https://doi.org/10.1115/IMECE2011-62844

Topics: Carbon nanotubes , Interfacial thermal resistance , Molecular dynamics , Thermal conductivity

Mechanism of Thermal Conductivity Reduction From Suspended to Supported Graphene: A Quantitative Spectral Analysis of Phonon Scattering

Bo Qiu, Xiulin Ruan

IMECE 2011; 303-313doi:https://doi.org/10.1115/IMECE2011-62963

Topics: Electromagnetic scattering , Emission spectroscopy , Graphene , Phonons , Radiation scattering , Scattering (Physics) , Spectroscopy , Thermal conductivity , Temperature , Acoustics

Role of Edge Chirality and Isotope Doping in Thermal Transport and Thermal Rectification in Graphene Nanoribbons

Yan Wang, Xiulin Ruan

IMECE 2011; 315-322doi:https://doi.org/10.1115/IMECE2011-63169

Topics: Chirality , Graphene , Isotopes , Thermal rectification , Atoms , Phonons , Thermal conductivity , Carbon , Density , Engineering simulation

Assessment of the Holland Model for Silicon Phonon-Phonon Relaxation Times Using Lattice Dynamics Calculations

Zimu Zhu, Daniel P. Sellan, Aydin Nabovati, Cristina H. Amon

IMECE 2011; 323-326doi:https://doi.org/10.1115/IMECE2011-63615

Topics: Lattice dynamics , Phonons , Relaxation (Physics) , Silicon , Fittings , Temperature , Thermal conductivity

Far Infrared Thermal Radiative Properties of Polar Materials From First-Principle Simulations

Hua Bao, Bo Qiu, Xiulin Ruan, Yu Zhang

IMECE 2011; 327-331doi:https://doi.org/10.1115/IMECE2011-63959

Topics: Engineering simulation , Simulation , Atomic structure , Damping , Fittings , Gallium arsenide , Reflectance

Lattice Boltzmann and Discrete Ordinates Methods for Phonon Transport Modeling: A Comparative Study

Fatma Nazli Donmezer, Dhruv Singh, William James, Adam Christensen, Samuel Graham, Jayathi Y. Murthy

IMECE 2011; 333-343doi:https://doi.org/10.1115/IMECE2011-64008

Topics: Lattice Boltzmann methods , Modeling , Phonons , Errors , Resolution (Optics) , Acoustics , Engineering simulation , Heat , Nanoscale phenomena , Polarization (Electricity)

Predicting the Properties of Nanostructured Metamaterials: Vertically Aligned Single-Walled Carbon Nanotube Arrays

A. Sisto, X. Ruan, T. S. Fisher, J. B. Neaton

IMECE 2011; 345-349doi:https://doi.org/10.1115/IMECE2011-64011

Topics: Metamaterials , Single-walled carbon nanotubes , Absorption spectra , Approximation , Density functional theory , Dimensions , Electrodynamics , Electrons , Engineering simulation , Modeling

Vibrational Contribution to Thermal Conductivity of Silicon Near Solid-Liquid Transition

Christopher H. Baker, Chengping Wu, Richard N. Salaway, Leonid V. Zhigilei, Pamela M. Norris

IMECE 2011; 351-355doi:https://doi.org/10.1115/IMECE2011-64064

Topics: Silicon , Thermal conductivity , Electrons , Equilibrium (Physics) , Melting point , Phonons , Heat , High temperature , Irradiation (Radiation exposure) , Lasers

Heat Transfer Across Metal-Dielectric Interfaces During Ultrafast-Laser Heating

Liang Guo, Stephen L. Hodson, Timothy S. Fisher, Xianfan Xu

IMECE 2011; 357-359doi:https://doi.org/10.1115/IMECE2011-64165

Topics: Heat transfer , Heating , Lasers , Metals , Phonons , Electrons , Equilibrium (Physics) , Simulation results , Temperature , Thermoreflectance

Thermal Transport Measurements of Bilayer and Few-Layer Graphene Supported on Silicon Dioxide

Mir Mohammad Sadeghi, Li Shi

IMECE 2011; 361-368doi:https://doi.org/10.1115/IMECE2011-64227

Topics: Graphene , Silicon , Thermal conductivity , Bridges (Structures) , Polymers , Temperature , Electromagnetic scattering , Radiation scattering , Scattering (Physics) , Steady state

Ultra-High Thermal Conductivity Polyethylene Nanofibers

Sheng Shen, Jonathan Tong, Ruiting Zheng, Gang Chen

IMECE 2011; 369-376doi:https://doi.org/10.1115/IMECE2011-64648

Topics: Nanofibers , Thermal conductivity , Fibers , Metals , Heat transfer , Polymer chains , Polymers

Thermal Conductivity of Crystalline Nanoporous Silicon Using Molecular Dynamics Simulations

Jin Fang, Laurent Pilon

IMECE 2011; 377-386doi:https://doi.org/10.1115/IMECE2011-64785

Topics: Molecular dynamics simulation , Silicon , Thermal conductivity , Porosity , Simulation , Approximation , Atoms , Design , Equilibrium (Physics) , Kinetic theory

Thermoelectric Transport in Sb₂Te₃/Bi₂Te₃ Quantum Dot Nanocomposites

J. Zhou, R. G. Yang

IMECE 2011; 387-394doi:https://doi.org/10.1115/IMECE2011-64923

Topics: Nanocomposites , Quantum dots , Phonons , Electromagnetic scattering , Electrons , Radiation scattering , Scattering (Physics) , Design , Electrical conductivity , Green's function methods

Thermal Transport Across Carbon Nanotube Connected by Molecular Linkers

Jun Liu, Mohamed Alhashme, Ronggui Yang

IMECE 2011; 395-396doi:https://doi.org/10.1115/IMECE2011-64931

Topics: Carbon nanotubes , Thermal conductivity , Density , Mechanical properties , Molecular dynamics

Molecular Dynamics Modeling of Thermal Conductance at Atomically Clean and Disordered Silicon/Aluminum Interfaces

Woon Ih Choi, Kwiseon Kim, Sreekant Narumanchi

IMECE 2011; 397-404doi:https://doi.org/10.1115/IMECE2011-65409

Topics: Aluminum , Modeling , Molecular dynamics , Silicon , Thermal conductivity , Phonons , Electromagnetic scattering , Radiation scattering , Scattering (Physics) , Electrical conductance

Tip-Sample Heat Transfer in Non-Contact Mode Scanning Thermal Microscopy With Wollaston Microprobes

Yanliang Zhang, Liang Han, Theodorian Borca-Tasciuc

IMECE 2011; 405-406doi:https://doi.org/10.1115/IMECE2011-65540

Topics: Heat transfer , Microscopy , Resolution (Optics) , Temperature , Thermal characterization , Thermal properties , Uncertainty

Heater Size Effect on Temperature Sensing With Wollaston Scanning Thermal Microprobes

Liang Han, Yanliang Zhang, Theodorian Borca-Tasciuc

IMECE 2011; 407-408doi:https://doi.org/10.1115/IMECE2011-65621

Topics: Size effect , Temperature , Microscopy , Resolution (Optics) , Thermal characterization , Thermal properties

Heat Conduction in High Thermal Conductivity Networked Composite Films for Thermal Interface Materials

Hafez Raeisi Fard, Kamyar Pashayi, Fengyuan Lai, Joel Plawsky, Theodorian Borca-Tasciuc

IMECE 2011; 409-410doi:https://doi.org/10.1115/IMECE2011-65633

Topics: Composite materials , Heat conduction , Thermal conductivity , Thermal management , Contact resistance , Heat , Low temperature , Nanoparticles , Optoelectronic devices , Particulate matter

Experimental Investigation of Magnetically-Induced Thermal Conductance Variations in a Ferromagnetic Nanofluid

Alexander M. Gardner, Indira Seshadri, Ganpati Ramanath, Theodorian Borca-Tasciuc

IMECE 2011; 411-412doi:https://doi.org/10.1115/IMECE2011-65638

Topics: Nanofluids , Thermal conductivity , Ferrofluids , Magnetic fields , Flow (Dynamics) , Fluids , Thermal resistance

Coupled Non-Equilibrium Green’s Function (NEGF) Electron-Phonon Interaction in Thermoelectric Materials

T. D. Musho, D. G. Walker

IMECE 2011; 413-426doi:https://doi.org/10.1115/IMECE2011-65786

Topics: Electron-phonon interactions , Equilibrium (Physics) , Phonons , Electrons , Electromagnetic scattering , Radiation scattering , Scattering (Physics) , Nanoscale phenomena , Computational methods , Electronics

Fundamentals of Natural Convection

Influence of Superhydrophobic Walls on the Thermal Transport to Liquid Droplets

D. Maynes, N. Tullett, R. Nielson, J. Vanderhoff, B. W. Webb

IMECE 2011; 427-435doi:https://doi.org/10.1115/IMECE2011-63673

Topics: Drops , Temperature , Transients (Dynamics) , Boiling , Cavities , Evaporation , Heat transfer coefficients , Water

Experimental Investigation of Natural Convection Heat Transfer of an Ionic Liquid in a Rectangular Enclosure Heated From Below

Titan C. Paul, A. K. M. M. Morshed, Elise B. Fox, Ann Visser, Nicholas Bridges, Jamil A. Khan

IMECE 2011; 437-444doi:https://doi.org/10.1115/IMECE2011-64148

Topics: Convection , Density , Heat capacity , Heat transfer , Natural convection , Thermal conductivity , Viscosity , Temperature , Water , Heat conduction

A Numerical Study of Natural Convective Heat Transfer From an Inclined Isothermal Plate Having a Square Wave Surface

Patrick H. Oosthuizen, Jane T. Paul

IMECE 2011; 445-450doi:https://doi.org/10.1115/IMECE2011-65010

Topics: Convection , Waves , Buoyancy , Flow (Dynamics) , Prandtl number , Rayleigh number , Surface waves (Fluid) , Turbulence , Approximation , Density

Fundamentals of Phase-Change Heat Transfer

Scale Analysis of Thermocapillary Weld Pool Shape With High Prandtl Number

P. S. Wei, C. L. Lin, H. J. Liu

IMECE 2011; 451-456doi:https://doi.org/10.1115/IMECE2011-62464

Topics: Prandtl number , Shapes , Boundary layers , Melting , Momentum , Alloys , Computation , Convection , Corners (Structural elements) , Flow (Dynamics)

Characteristics of Extended Evaporating Meniscus on Nanotextured Rough Solid Substrate for Wenzel States

J. J. Zhao, Y. Y. Duan, X. D. Wang, B. X. Wang

IMECE 2011; 457-466doi:https://doi.org/10.1115/IMECE2011-62867

Topics: Evaporation , Surface roughness , Thin films

Inner Phase Change Behavior of Small Liquid Droplet on Heated Solid Surface

Gui Lu, Yuan-Yuan Duan, Xiao-Dong Wang

IMECE 2011; 467-473doi:https://doi.org/10.1115/IMECE2011-63070

Topics: Drops , Boiling , Bubbles , Dynamics (Mechanics) , Heat transfer , Cooling , Evaporation , Nucleate boiling , Surface properties , Transients (Dynamics)

Falling-Film Absorption Around Microchannel Tube Banks

Ananda Krishna Nagavarapu, Srinivas Garimella

IMECE 2011; 475-486doi:https://doi.org/10.1115/IMECE2011-63094

Topics: Absorption , Microchannels , Flow (Dynamics) , Fluids , Vapors , Heat , Mass transfer , Condensers (steam plant) , Coolants , Cooling

Shear/Pressure Driven Internal Condensing Flows and Their Sensitivity to Inlet Pressure Fluctuations

M. Kivisalu, N. Gorgitrattanagul, S. Mitra, R. Naik, A. Narain

IMECE 2011; 487-498doi:https://doi.org/10.1115/IMECE2011-63281

Topics: Flow (Dynamics) , Fluctuations (Physics) , Pressure , Shear (Mechanics)

Superhydrophobic Surfaces Properties for Anti-Icing

Mohammad Amin Sarshar, Christopher Swarctz, Scott Hunter, John Simpson, Chang-Hwan Choi

IMECE 2011; 499-502doi:https://doi.org/10.1115/IMECE2011-63282

Topics: Air flow , Aluminum , Coatings , Delays , Design , Drops , Flow (Dynamics) , Ice , Low temperature , Particulate matter

Effects of UV-Visible Irradiation on Pool Boiling Behavior of Copper

Chad N. Hunter, Nicholas R. Glavin, Andrey A. Voevodin, David B. Turner, Michael H. Check, Shawn A. Putnam, Timothy S. Fisher

IMECE 2011; 503-510doi:https://doi.org/10.1115/IMECE2011-63460

Topics: Copper , Irradiation (Radiation exposure) , Pool boiling , Ultraviolet radiation , Critical heat flux , Light sources , Boiling , Heat flux , Nanoscale phenomena , Nucleate boiling

Scale Effect on Boiling Inception and Bubble Dynamics in Micro/Mini/Macro Tubes

Di Wu, Ying Piao, Yuan-yuan Duan, Zhen Yang

IMECE 2011; 511-519doi:https://doi.org/10.1115/IMECE2011-63477

Topics: Boiling , Bubbles , Dynamics (Mechanics) , Vapors , Critical heat flux , Emissions , Explosives , Nucleation (Physics) , Evaporation , Heat transfer

The Analytical Solutions for Heat Transfer in Thin Film Evaporation With Disjoining Pressure

Chunji Yan, Hongbin Ma

IMECE 2011; 521-528doi:https://doi.org/10.1115/IMECE2011-63559

Topics: Evaporation , Heat transfer , Pressure , Thin films

Effect of Filling Ratio on an Uneven Turn Oscillating Heat Pipe

Aaron A. Hathaway, Hongbin Ma

IMECE 2011; 529-544doi:https://doi.org/10.1115/IMECE2011-63614

Topics: Heat pipes , Condensers (steam plant) , Flat plates , Temperature , Thermal resistance

Wavelet Analysis of Oscillating Motions in an Oscillating Heat Pipe

Nannan Zhao, Hongbin Ma, Xinxiang Pan

IMECE 2011; 545-549doi:https://doi.org/10.1115/IMECE2011-63632

Topics: Heat pipes , Heat transfer , Wavelets

An Experimental Investigation of Steam Ejector Refrigeration Systems

J. M. Dong, D. A. Pounds, P. Cheng, H. B. Ma, X. X. Pan

IMECE 2011; 551-557doi:https://doi.org/10.1115/IMECE2011-63777

Topics: Ejectors , Refrigeration , Pressure , Temperature , Nozzles , Condensers (steam plant) , Diffusers , High temperature steam , Cooling , Fluid dynamics

Experimental Study of Subcooled Pool Boiling Heat Transfer on Metal Foam

Juan Shi, Anthony M. Jacobi, Zhenqian Chen

IMECE 2011; 559-564doi:https://doi.org/10.1115/IMECE2011-63837

Topics: Heat transfer , Metal foams , Pool boiling , Subcooling , Aluminum , Atmospheric pressure , Boiling , Copper , Dimensions , Fluids

Numerical Simulation of Flow Boiling of Binary Mixtures Using Multi-Fluid Modeling Approach

Vedanth Srinivasan

IMECE 2011; 565-575doi:https://doi.org/10.1115/IMECE2011-63848

Topics: Boiling , Computer simulation , Flow (Dynamics) , Fluids , Modeling , Mass transfer , Bubbles , Convection , Density , Heat flux

Pool Boiling Heat Transfer Characteristics of HFO-1234yf With and Without Microporous-Enhanced Surfaces

Gilberto Moreno, Sreekant Narumanchi, Charles King

IMECE 2011; 577-587doi:https://doi.org/10.1115/IMECE2011-64002

Topics: Coating processes , Coatings , Critical heat flux , Heat transfer , Pool boiling

An Exploration of Transport Within Micro and Nano Droplet Clusters During Dropwise Condensation of Water on Nanostructured Surfaces

Hector Mendoza, Sara Beaini, Van P. Carey

IMECE 2011; 589-600doi:https://doi.org/10.1115/IMECE2011-64151

Topics: Condensation , Drops , Water , Heat transfer coefficients , Heat transfer , Design , Surface tension , Equilibrium (Physics)

Flat Polymer Heat Spreader With High Aspect Ratio Micro Hybrid Wick Operating Under Adverse Gravity

Christopher Oshman, Qian Li, Li-Anne Liew, Ronggui Yang, Y. C. Lee, Victor M. Bright

IMECE 2011; 601-606doi:https://doi.org/10.1115/IMECE2011-64264

Topics: Flat heat pipes , Gravity (Force) , Polymers , Copper , Thermal resistance , Columns (Structural) , Heat flux , Heat transfer , Condensation , Condensers (steam plant)

Bubble Formation on Superhydrophobic Micropatterns

Xinwei Wang, Siwei Zhao, Hao Wang, Tingrui Pan

IMECE 2011; 607-611doi:https://doi.org/10.1115/IMECE2011-64347

Topics: Bubbles , Copper , Boiling , Heating , Nanoparticles

Contact Angle Measurement Through Atomic Force Microscopy

Jiapeng Yu, Hao Wang

IMECE 2011; 613-617doi:https://doi.org/10.1115/IMECE2011-64357

Topics: Atomic force microscopy , Thin films

Near-Wall Focusing of Phase Change Micro-Particles for Local Heat Transfer Enhancement

Andrej Lenert, Youngsuk Nam, Matthew W. Thoms, Bekir S. Yilbas, Evelyn N. Wang

IMECE 2011; 619-626doi:https://doi.org/10.1115/IMECE2011-64517

Topics: Heat transfer , Microparticles , Particulate matter , Heat flux , Melting , Computer simulation , Fluids , Geometry , Heat capacity , Laminar flow

Experimental Investigation of a Flat-Plate Oscillating Heat Pipe During High-Gravity Loading

Hongbin Ma, Scott M. Thompson, Aaron A. Hathaway, Chris D. Smoot, Corey A. Wilson, Robert M. Young, Lawrence Greenberg, Brian R. Osick, Stephen Van Campen, Brian C. Morgan, Darin Sharar, Nicholas Jankowski

IMECE 2011; 627-632doi:https://doi.org/10.1115/IMECE2011-64821

Topics: Flat plates , Gravity (Force) , Heat pipes , Thermal conductivity

Enhanced Pool Boiling Performance on Micro-, Nano-, and Hybrid-Structured Surfaces

Qian Li, Wei Wang, Chris Oshman, Benoit Latour, Chen Li, Victor M. Bright, Yung-Cheng Lee, Ronggui Yang

IMECE 2011; 633-640doi:https://doi.org/10.1115/IMECE2011-64921

Topics: Columns (Structural) , Critical heat flux , Heat transfer coefficients , Nanostructures , Nanowires , Pool boiling

Enhancing Flow Boiling Heat Transfer in Microchannels Using Monolithically-Coated Silicon Nanowires

Dan Li, Gensheng Wu, Wei Wang, Yunda Wang, Ronggui Yang

IMECE 2011; 641-642doi:https://doi.org/10.1115/IMECE2011-64922

Topics: Boiling , Flow (Dynamics) , Heat transfer , Microchannels , Nanowires , Silicon , Critical heat flux , Coating processes , Coatings , Flow instability

Evaporation of Liquid Marbles on a Heated Surface: Coating-Assisted Leidenfrost Phenomenon

Cedric Aberle, Mark Lewis, Gan Yu, Nan Lei, Jie Xu

IMECE 2011; 643-647doi:https://doi.org/10.1115/IMECE2011-65015

Topics: Coating processes , Coatings , Evaporation , Drops , Temperature , Graphite , Water , Film boiling , Vapors , Heat transfer

Thermal Characteristics of Flashing Spray of Volatile R134a Cryogens

Z.-F. Zhou, W.-T. Wu, G.-X. Wang, Z. Gong, B. Chen, Y.-S. Wang, L.-J. Guo

IMECE 2011; 649-656doi:https://doi.org/10.1115/IMECE2011-65033

Topics: Flashing , Sprays

Visualization and Characterization of the Flashing Spray of Cryogen R404a

Z.-F. Zhou, W.-T. Wu, B. Chen, L.-J. Guo, Y.-S. Wang, G.-X. Wang

IMECE 2011; 657-665doi:https://doi.org/10.1115/IMECE2011-65037

Topics: Cooling , Flashing , Sprays , Visualization

Heat Transfer due to Microscale Thin Film Evaporation From the Steady State Meniscus in a Coherent Porous Silicon Based Micro-Columnated Wicking Structure

Navdeep S. Dhillon, Jim C. Cheng, Albert P. Pisano

IMECE 2011; 667-677doi:https://doi.org/10.1115/IMECE2011-65057

Topics: Evaporation , Heat transfer , Microscale devices , Silicon , Steady state , Thin films , Vapors , Algorithms , Design , Fluid dynamics

Microstructured Surfaces for Enhanced Pool Boiling Heat Transfer

Kuang-Han Chu, Ryan Enright, Evelyn N. Wang

IMECE 2011; 679-685doi:https://doi.org/10.1115/IMECE2011-65169

Topics: Heat transfer , Pool boiling , Critical heat flux , Surface roughness , Design , Heat , Heat transfer coefficients , Wetting

Numerical Study on the Thermal Performance of a Substrate Integrated Thermal Buffer Heat Sink

Nicholas R. Jankowski, F. Patrick McCluskey

IMECE 2011; 687-696doi:https://doi.org/10.1115/IMECE2011-65590

Topics: Heat sinks , Polishing equipment , Transients (Dynamics) , Temperature , Design , Stress , Convection , Finite element model , Geometry , Heat

Heat Transfer Enhancement for Practical Applications

Heat and Mass Transfer in Tubes With Various Twisted Tape Inserts

S. E. Tarasevich, A. B. Yakovlev, A. A. Giniyatullin, A. V. Shishkin

IMECE 2011; 697-702doi:https://doi.org/10.1115/IMECE2011-62088

Topics: Heat , Mass transfer , Heat transfer , Boiling , Displacement , Flow (Dynamics) , Water

Effects of Inlet Flow Boundary Conditions on the Thermal Performance of a Plate-Fin Heat Sink With an Impinging Flow

Kyu Hyung Do, Tae Hoon Kim, Sung Jin Kim, Myung Bae Kim, Byung-il Choi, Yong Shik Han

IMECE 2011; 703-710doi:https://doi.org/10.1115/IMECE2011-62264

Topics: Boundary-value problems , Flow (Dynamics) , Heat sinks , Thermal resistance , Pressure drop , Computer simulation , Ducts , Fluids , Pressure

Approximate Analysis for Darcy-Flow Convection in Cylindrical Porous Media With Zero Fluid Conduction

Nihad Dukhan

IMECE 2011; 711-716doi:https://doi.org/10.1115/IMECE2011-62365

Topics: Convection , Flow (Dynamics) , Fluids , Heat conduction , Porous materials , Heat transfer , Cooling , Electrical conductivity , Thermal conductivity , Computer simulation

Transient Vapor Compression Refrigeration Cycle for Electronics Cooling: Part 1—Distributed Model Validation

TieJun Zhang, Juan Catano, John T. Wen, Michael K. Jensen

IMECE 2011; 717-724doi:https://doi.org/10.1115/IMECE2011-62455

Topics: Compression , Computer cooling , Model validation , Refrigeration cycles , Transients (Dynamics) , Vapors , Cooling , Cooling systems , Electronics , Energy efficient electronic systems

Transient Vapor Compression Refrigeration Cycle for Electronics Cooling: Part 2—Multi-Evaporator Dynamics and Control

TieJun Zhang, John T. Wen, Michael K. Jensen

IMECE 2011; 725-734doi:https://doi.org/10.1115/IMECE2011-62456

Topics: Compression , Computer cooling , Dynamics (Mechanics) , Refrigeration cycles , Transients (Dynamics) , Vapors , Heat , Cooling , Electronic systems , Electronics

Wicking Performance of Two-Dimensional Bi-Porous Wicks

Chan Byon, Sung Jin Kim

IMECE 2011; 735-743doi:https://doi.org/10.1115/IMECE2011-62460

Topics: Computer simulation , Diamonds , Electrical conductivity , Heat , Permeability , Thermal conductivity

Heat Transfer Enhancement in Rectangular Channels Using a Corona Jet Caused by Longitudinal Flat Electrodes

Reza Baghaei Lakeh, Majid Molki

IMECE 2011; 745-757doi:https://doi.org/10.1115/IMECE2011-62591

Topics: Corona discharge , Electrodes , Flow (Dynamics) , Heat transfer

On the Thermal Characteristics of Two-Phase, Liquid-Liquid, Non-Boiling Droplet Flow in Minichannels

Marc Mac Giolla Eain, Vanessa Egan, Jeff Punch

IMECE 2011; 759-768doi:https://doi.org/10.1115/IMECE2011-62692

Topics: Boiling , Drops , Flow (Dynamics) , Heat transfer , Two-phase flow

Numerical Analysis on Nanofluid Forced Convection in Ducts With Triangular Cross Sections

O. Manca, S. Nardini, D. Ricci, S. Tamburrino

IMECE 2011; 769-778doi:https://doi.org/10.1115/IMECE2011-62700

Topics: Cross section (Physics) , Ducts , Forced convection , Nanofluids , Numerical analysis , Fluids , Nanoparticles , Flow (Dynamics) , Heat transfer , Thermal conductivity

Experimental Study of Effects of Interfacial Properties on Nucleate Pool Boiling in Water

U. Verma, R. M. Manglik, M. A. Jog

IMECE 2011; 779-785doi:https://doi.org/10.1115/IMECE2011-62740

Topics: Nucleate pool boiling , Water , Surface tension , Boiling , Heat transfer , Manganese (Metal) , Atoms , Carbon , Chain , Dynamics (Mechanics)

Impact of an Anisotropic Fin Surface Design on the Thermal-Hydraulic Performance of a Plain-Fin-and-Tube Heat Exchanger

Rong Yu, Andrew D. Sommers, Nicole C. Okamoto, Koushik Upadhyayula

IMECE 2011; 787-795doi:https://doi.org/10.1115/IMECE2011-63102

Topics: Anisotropy , Design , Heat exchangers , Pressure drop , Condensed matter , Heat transfer , Air conditioning , Aluminum , Coating processes , Coatings

Numerical Analysis of Nanofluids in Heat Pipe

Pawan K. Singh, Nouman Zahoor Ahmed, Mohamed Ibrahim Ali, Youssef Shatilla

IMECE 2011; 797-805doi:https://doi.org/10.1115/IMECE2011-63309

Topics: Heat pipes , Nanofluids , Numerical analysis , Flow (Dynamics) , Fluids , Computational fluid dynamics , Modeling , Boundary-value problems , Computer software , Density

Vibration Effects on Heat Transfer During Solidification of Paraffin

Johnathan Vadasz, Josua Meyer, Saneshan Govender, Gennady Ziskind

IMECE 2011; 807-815doi:https://doi.org/10.1115/IMECE2011-63345

Topics: Heat transfer , Paraffin wax , Solidification , Vibration , Temperature , Computational fluid dynamics , Mechanical properties , Oscillating frequencies , Phase change materials , Shells

Thermal and Fluid-Dynamic Behaviour of Confined Slot Impinging Jets With Nanofluids

O. Manca, P. Mesolella, S. Nardini, D. Ricci

IMECE 2011; 817-826doi:https://doi.org/10.1115/IMECE2011-63385

Topics: Fluids , Jets , Nanofluids , Reynolds number , Particulate matter , Nanoparticles , Water , Aerospace industry , Cooling systems , Flow (Dynamics)

Nanoporous Membrane Tube Condensing Heat Transfer Enhancement Study

Ainan Bao, Dexin Wang, Cheng-Xian Charlie Lin

IMECE 2011; 827-833doi:https://doi.org/10.1115/IMECE2011-63530

Topics: Heat transfer , Membranes , Condensation , Water , Water vapor , Boilers , Flue gases , Latent heat , Stainless steel , Temperature

Optimized Expanding Microchannel Geometry for Flow Boiling

Mark J. Miner, Patrick E. Phelan, Brent A. Odom, Carlos A. Ortiz, Jonathan A. Sherbeck, Ravi S. Prasher

IMECE 2011; 835-841doi:https://doi.org/10.1115/IMECE2011-63592

Topics: Boiling , Flow (Dynamics) , Geometry , Microchannels , Critical heat flux , Simulation , Heat , Heat transfer , Matlab

Forced Convection Heat Transfer Simulation Using Dissipative Particle Dynamics With Energy Conservation

Toru Yamada, Anurag Kumar, Yutaka Asako, Mohammad Faghri

IMECE 2011; 843-850doi:https://doi.org/10.1115/IMECE2011-63773

Topics: Energy conservation , Forced convection , Particle dynamics , Simulation , Particulate matter , Boundary-value problems , Heat flux , Temperature , Approximation , Critical heat flux

Separate Parameters Identification of the Miso Time Delay Model Applied to the Heat Transfer Process

G. V. Simeunovic´, P. Zi´tek, T. Vyhli´dal, D. Lj. Debeljkovic´

IMECE 2011; 851-856doi:https://doi.org/10.1115/IMECE2011-63831

Topics: Delays , Heat transfer , Algorithms , Heat exchangers , Parameter estimation , Time delay systems

Development and Characterization of a Loop Heat Pipe With a Planar Evaporator and Condenser

H. Arthur Kariya, Daniel F. Hanks, Teresa B. Peters, John G. Brisson, Evelyn N. Wang

IMECE 2011; 857-862doi:https://doi.org/10.1115/IMECE2011-63898

Topics: Condensers (steam plant) , Heat pipes , Vapors , Clearances (Engineering) , Condensation , Convection , Cooling , Geometry , Heat , Impellers

Thermal Performance Comparison for Five Liquid Heat Sink Designs

Christopher Greene, Randall D. Manteufel, Amir Karimi

IMECE 2011; 863-873doi:https://doi.org/10.1115/IMECE2011-64339

Topics: Heat sinks , Flow (Dynamics) , Pressure drop , Thermal resistance , Design , Fluids , Heat transfer , Convection , Cooling , Water

Convective Heat Transfer Enhancement on a Channel Wall With a High Frequency, Oscillating Agitator

Taiho Yeom, Terrence W. Simon, Youmin Yu, Mark T. North, Tianhong Cui

IMECE 2011; 875-884doi:https://doi.org/10.1115/IMECE2011-64379

Topics: Convection , Channel flow , Flow (Dynamics) , Oscillations , Actuators , Computer simulation , Cooling , Heat transfer , Shells , Cross-flow

A Computational Study of Active Heat Transfer Enhancement of Air-Cooled Heat Sinks by Actuated Plates

Youmin Yu, Terrence Simon, Smita Agrawal, Mark North, Tianhong Cui

IMECE 2011; 885-893doi:https://doi.org/10.1115/IMECE2011-64526

Topics: Heat sinks , Heat transfer , Plates (structures) , Air flow , Cooling , Heat flux , Microelectronic devices , Thermal management , Turbulence

Enhancing Heat Transfer of Air-Cooled Heat Sinks Using Piezoelectrically-Driven Agitators and Synthetic Jets

Youmin Yu, Terrence Simon, Min Zhang, Taiho Yeom, Mark North, Tianhong Cui

IMECE 2011; 895-903doi:https://doi.org/10.1115/IMECE2011-64544

Topics: Heat sinks , Heat transfer , Jets , Cooling , Channel flow , Computation , Computational fluid dynamics , Computer simulation , Engineering simulation , Geometry

An Experimental Study on the Effects of Agitation on Forced-Convection Heat Transfer

Smita Agrawal, Terrence W. Simon, Mark North, Tianhong Cui

IMECE 2011; 905-912doi:https://doi.org/10.1115/IMECE2011-64558

Topics: Computer cooling , Forced convection , Heat transfer

Experimental and Numerical Simulation of a Synthetic Jet for Cooling of Electronics

Longzhong Huang, Terrence Simon, Mark North, Tianhong Cui

IMECE 2011; 913-921doi:https://doi.org/10.1115/IMECE2011-64574

Topics: Computer cooling , Computer simulation , Cooling , Electronics , Diaphragms (Mechanical devices) , Diaphragms (Structural) , Heat transfer coefficients , Computation , Jets , Geometry

Multijet Impingement on Pin Fin Heat Sink With Different Crossflow Schemes

Nagesh K. Chougule, Gajanan V. Parishwad, Sachin Pagnis, Prashant R. Gore

IMECE 2011; 923-928doi:https://doi.org/10.1115/IMECE2011-64764

Topics: Cross-flow , Heat sinks , Heat transfer , Flow (Dynamics) , Nozzles , Reynolds number , Air jets , Fluid dynamics , Heat transfer coefficients , Shear stress

Selection of CFD Turbulence Model for the Application of Submerged Multi-Air Jet Impingement

Nagesh K. Chougule, Gajanan V. Parishwad, Sachin Pagnis, Prashant R. Gore, Chandrashekhar M. Sewatkar

IMECE 2011; 929-935doi:https://doi.org/10.1115/IMECE2011-64765

Topics: Computational fluid dynamics , Turbulence , Flow (Dynamics) , Heat transfer , Jets , Modeling , Nozzles , Computer simulation , Design , Flat plates

Single- and Two-Phase Flow in Microchannels With Heat Transfer and Driven by an EHD Conduction Pump

Matthew R. Pearson, Jamal Seyed-Yagoobi

IMECE 2011; 937-952doi:https://doi.org/10.1115/IMECE2011-64798

Topics: Heat conduction , Heat transfer , Microchannels , Pumps , Two-phase flow , Electrodes , Heat , Cooling , Dielectric liquids , Electrohydrodynamics

Compact Model of Thermoelectric Coolers on a Micro-Electronic Chip

Owen Sullivan, Borislav Alexandrov, Saibal Mukhopadhyay, Satish Kumar

IMECE 2011; 953-960doi:https://doi.org/10.1115/IMECE2011-64881

Topics: Thermoelectric coolers , Electronic packages , Transients (Dynamics) , Reliability , Simulation , Steady state , Control equipment , Control systems , Cooling , Design

Heat Transfer Between Liquid Film Formed on the Inclined Dimpled Surface and Ambient Air

Vitalii Dubrovskii, Aleksei Podvysotskii, Aleksandr Shraiber, Yaroslav Chudnovsky, Aleksandr Kozlov

IMECE 2011; 961-962doi:https://doi.org/10.1115/IMECE2011-65042

Topics: Heat transfer , Liquid films , Flow (Dynamics) , Cooling towers , Design , Engineers , Fins , Heat , Mass transfer , Surface roughness

Flow and Heat Transfer Characteristics of Heterogeneous Nanofluids in Pipes

Khalid N. Alammar, Abdullah Mohammed

IMECE 2011; 963-967doi:https://doi.org/10.1115/IMECE2011-65064

Topics: Flow (Dynamics) , Heat transfer , Nanofluids , Pipes , Nanoparticles , Prandtl number , Entrance region , Laminar flow

Numerical Analysis on Flow Characteristics of Anti-Gravity Flow

Yan Li, Shuchao Zhang, Ning Mei

IMECE 2011; 969-982doi:https://doi.org/10.1115/IMECE2011-65097

Topics: Antigravity , Boiling , Bubbles , Flow (Dynamics) , Numerical analysis , Subcooling

The Coupling Effect of Driving Forces to the Anti-Gravity Flow in the Spiral Micro-Channel

Yan Li, Shuchao Zhang, Ning Mei

IMECE 2011; 983-995doi:https://doi.org/10.1115/IMECE2011-65100

Topics: Antigravity , Flow (Dynamics) , Microchannels

Compact Modeling of Fractal Tree-Shaped Microchannel Liquid Cooling Systems

Cheng Chen, Emad Samadiani, Bahgat Sammakia

IMECE 2011; 997-1006doi:https://doi.org/10.1115/IMECE2011-65220

Topics: Cooling systems , Fractals , Microchannels , Modeling , Flow (Dynamics) , Computational fluid dynamics , Temperature , Computer simulation , Flux (Metallurgy) , Geometry

A Numerical Study to Predict the Effects of Structured Roughness Elements on Pressure Drop and Heat Transfer Enhancement in Minichannels and Microchannels

V. V. Dharaiya, S. G. Kandlikar

IMECE 2011; 1007-1016doi:https://doi.org/10.1115/IMECE2011-65262

Topics: Heat transfer , Microchannels , Pressure drop , Surface roughness , Flow (Dynamics) , Laminar flow , Computational fluid dynamics , Computer simulation , Design , Engineering simulation

Effect of Porous Media Properties on Heat Transfer in Triangular Porous Ducts With Iso-Flux Walls

S. Negin Mortazavi, Fatemeh Hassanipour

IMECE 2011; 1017-1028doi:https://doi.org/10.1115/IMECE2011-65372

Topics: Ducts , Heat transfer , Porous materials , Flow (Dynamics) , Boundary-value problems , Temperature distribution , Forced convection , Friction , Galerkin method , Heat flux

Thermal Modeling and Heat Management of Supercapacitor Modules by High Velocity Impinging Fan Flow

Xinqiang Xu, Bahgat G. Sammakia, Bruce T. Murray, DaeYoung Jung, Thor Eilertsen

IMECE 2011; 1029-1037doi:https://doi.org/10.1115/IMECE2011-65676

Topics: Flow (Dynamics) , Heat , Modeling , Ultracapacitors , Cooling , Reynolds number , Forced convection , Turbulence , Computer software , Cooling systems

Heat Transfer in Gas Turbine Systems

Heat Transfer Distribution of Various Rib Geometries for Developing Flow at High Rotation Numbers

Justin A. Lamont, Srinath V. Ekkad, Mary Anne Alvin

IMECE 2011; 1039-1047doi:https://doi.org/10.1115/IMECE2011-62610

Topics: Flow (Dynamics) , Heat transfer , Rotation , Coolants , Blades , Buoyancy , Cooling , Coriolis force , Gas turbines , Liquid crystals

Simulation of Backward Film Cooling at Gas Turbine Operating Conditions With and Without Mist Injection

Ganesh Subbuswamy, Xianchang Li

IMECE 2011; 1049-1058doi:https://doi.org/10.1115/IMECE2011-65246

Topics: Film cooling , Gas turbines , Simulation , Cooling , Computer simulation , Drops , Engines , Flow (Dynamics) , Heat transfer coefficients , Pressure

Large Eddy Simulation of Multiple Round Impinging Jets

N. Kharoua, L. Khezzar, Z. Nemouchi

IMECE 2011; 1059-1066doi:https://doi.org/10.1115/IMECE2011-65824

Topics: Jets , Large eddy simulation , Flow (Dynamics) , Geometry , Computation , Flat plates , Heat transfer , Nozzles , Reynolds number , Simulation

Heat Transfer Under Extreme Conditions

Effect of Radiation on Heat Transfer in Open-Cell Foams at High Temperature

Charles C. Tseng, Ruth L. Sikorski, R. Viskanta, Ming Y. Chen

IMECE 2011; 1067-1076doi:https://doi.org/10.1115/IMECE2011-62530

Topics: Foams (Chemistry) , Heat transfer , High temperature , Radiation (Physics) , Thermal radiation , Absorption , Approximation , Density , Diffusion (Physics) , Electromagnetic scattering

Numerical Simulation of Impinging Cooling on the Leading Edge of a Turbine Blade

Keyong Cheng, Xiulan Huai, Jun Cai, Zhixiong Guo

IMECE 2011; 1077-1085doi:https://doi.org/10.1115/IMECE2011-63649

Topics: Computer simulation , Cooling , Turbine blades , Simulation , Temperature , Fluid dynamics , Heat transfer , Reliability , Reynolds number , Turbulence

A New Phase Function Normalization Approach for Radiative Transfer Analysis in Highly Anisotropic Scattering Media

Brian Hunter, Zhixiong Guo

IMECE 2011; 1087-1098doi:https://doi.org/10.1115/IMECE2011-63664

Topics: Anisotropy , Electromagnetic scattering , Radiation scattering , Radiative heat transfer , Scattering (Physics) , Albedo , Gages , Scaling laws (Mathematical physics)

Enhanced Specific Heat Capacity of Molten Salts Using Organic Nanoparticles

Byeongnam Jo, Debjyoti Banerjee

IMECE 2011; 1099-1106doi:https://doi.org/10.1115/IMECE2011-64001

Topics: Nanoparticles , Specific heat , Carbon nanotubes , Energy resources , Geothermal engineering , Graphite , High temperature , Materials properties , Nanomaterials , Nuclear power

Electron Beam Characterization via Infrared Pyrometry of Thin Tungsten Foil

Kirk Marquard, Vance Robinson, Xi Zhang

IMECE 2011; 1107-1111doi:https://doi.org/10.1115/IMECE2011-64018

Topics: Cathode ray oscilloscopes , Electron beams , Tungsten , Temperature distribution , Experimental design , Heat conduction , Lenses (Optics) , Shapes , Temperature , Vacuum

Numerical Investigation of Transient Marangoni Effects on Weld Pool Dynamics in Gas Tungsten Arc Welding of Stainless Steel

Debamoy Sen, Kenneth S. Ball, Mark A. Pierson

IMECE 2011; 1113-1120doi:https://doi.org/10.1115/IMECE2011-64161

Topics: Dynamics (Mechanics) , Gas tungsten arc welding , Stainless steel , Transients (Dynamics) , Convection , Surfactants , Flow (Dynamics) , Metals , Surface tension , Welding

Heat Pulse Propagation in Pure Sodium Fluoride at Low Temperatures From Ballistic to Diffusive Conduction

Yanbao Ma

IMECE 2011; 1121-1127doi:https://doi.org/10.1115/IMECE2011-64284

Topics: Crystals , Heat , Heat conduction , Longitudinal waves , Low temperature , Phonons , Second sound , Sodium , Waves

Investigation of Lightweight Space Radiator Design for Low and No Gravity Environments

Virginia Bieger, Jian Ma

IMECE 2011; 1129-1138doi:https://doi.org/10.1115/IMECE2011-64646

Topics: Design , Gravity (Force) , Fluids , Heat pipes , Building materials , Carbon composites , Construction , Fins , Heat transfer , Optimization

Widening Absorption Band of Grating Structure With Complex Dual-Groove Grating

Y. Jiao, L. H. Liu, P.-f. Hsu

IMECE 2011; 1139-1147doi:https://doi.org/10.1115/IMECE2011-65180

Topics: Absorption spectra , Diffraction gratings , Wavelength

Numerical Simulation of Radiation Heat Transfer of the Human Body for Determining Its Radiation Coefficient

Ahmad Najjaran, Ali R. Tahavvor, Abdolkarim Najjaran, Mohammad A. Ahmadfard

IMECE 2011; 1149-1154doi:https://doi.org/10.1115/IMECE2011-65353

Topics: Computer simulation , Heat transfer , Radiation (Physics)

Nuclear Thermalhydraulics

Posttest Calculations of PARAMETER-SF4 Experiment With Air Ingress and Water Reflood Using SOCRAT/V3 Computer Modeling Code

Alexander Vasiliev

IMECE 2011; 1155-1167doi:https://doi.org/10.1115/IMECE2011-63626

Topics: Computer simulation , Water , Accidents , Cladding systems (Building) , Design , Emergency core cooling systems , Fuels , Heating , Modeling , Nuclear power stations

CFD Calculations of Natural Circulation in a High Temperature Gas Reactor Following Pressurized Circulator Shutdown

Yu-Hsin Tung, Richard W. Johnson

IMECE 2011; 1169-1177doi:https://doi.org/10.1115/IMECE2011-64259

Topics: Computational fluid dynamics , High temperature , Very high temperature reactors

Pre-Test CFD Calculations for a Bypass Flow Standard Problem

Richard W. Johnson

IMECE 2011; 1179-1187doi:https://doi.org/10.1115/IMECE2011-65831

Topics: Computational fluid dynamics , Flow (Dynamics) , Very high temperature reactors

Experimental Investigation of Subcooled Flashing Flow in Simulated Cracks

Brian Wolf, Shripad T. Revankar, Jovica R. Riznic

IMECE 2011; 1189-1197doi:https://doi.org/10.1115/IMECE2011-65892

Topics: Flashing , Flow (Dynamics) , Fracture (Materials) , Subcooling , Water , Temperature , Lasers , Leakage , Pressure , Test facilities

Applicability of Choking Flow Models for Subcooled Flashing Flow Through Tube Cracks

Brian Wolf, Shripad T. Revankar, Jovica R. Riznic

IMECE 2011; 1199-1207doi:https://doi.org/10.1115/IMECE2011-65893

Topics: Flashing , Flow (Dynamics) , Fracture (Materials) , Subcooling , Equilibrium (Physics) , Boilers , Databases

Thermophysical Properties of Materials

Measurement and Model Correlation of Specific Heat Capacity of Water-Based Nanofluids With Silica, Alumina and Copper Oxide Nanoparticles

Harry O’Hanley, Jacopo Buongiorno, Thomas McKrell, Lin-wen Hu

IMECE 2011; 1209-1214doi:https://doi.org/10.1115/IMECE2011-62054

Topics: Copper , Nanofluids , Nanoparticles , Specific heat , Water , Differential scanning calorimetry , Fluids , Heat transfer , Particulate matter , Thermal equilibrium

A Single Probe Transient Moving Line Source Method for Determining Thermal Conductivity, Thermal Diffusivity, and Superficial Flow Velocity of a Porous Material With Flow

Kevin D. Woods, Alfonso Ortega

IMECE 2011; 1215-1222doi:https://doi.org/10.1115/IMECE2011-62555

Topics: Flow (Dynamics) , Heat pumps , Porous materials , Probes , Thermal conductivity , Thermal diffusivity , Thermal properties , Transients (Dynamics) , Fluids , Hydraulic flow

Thermal Radiation in Silica Aerogel and its Composite Insulation Materials

Gaosheng Wei, Yusong Liu, Xinxin Zhang, Xiaoze Du

IMECE 2011; 1223-1231doi:https://doi.org/10.1115/IMECE2011-62632

Topics: Composite materials , Insulation , Thermal radiation

Thermal Characterization of Carbon-Carbon Composites

Messiha Saad, Darryl Baker, Rhys Reaves

IMECE 2011; 1233-1241doi:https://doi.org/10.1115/IMECE2011-64061

Topics: Carbon , Composite materials , Thermal characterization , Thermal conductivity , Specific heat , Thermal diffusivity , ASTM International , Thermal properties , Aircraft , Databases

Online Thermal Properties Database for Structure-Property Correlated Materials

Ishan Srivastava, Timothy S. Fisher, Sudheera Fernando, Ann Christine Catlin, Puneet Gupta, Preeti S. Rao

IMECE 2011; 1243-1244doi:https://doi.org/10.1115/IMECE2011-64551

Topics: Databases , Thermal properties , Materials properties , Heat transfer , Uncertainty

Thermal Conductivity of Ordered Mesoporous Silicon Thin Films Made From Magnesium Reduction of Polymer Templated Silica

Jin Fang, Laurent Pilon, Chris B. Kang, Sarah H. Tolbert

IMECE 2011; 1245-1247doi:https://doi.org/10.1115/IMECE2011-64784

Topics: Magnesium (Metal) , Polymers , Silicon , Thermal conductivity , Thin films , Film thickness , Electromagnetic scattering , Evaporation , Imaging , Porosity

Numerical Modelling of the Effective Thermal Conductivities of Composite Materials

Zhi Zhu He, Jing Liu

IMECE 2011; 1249-1251doi:https://doi.org/10.1115/IMECE2011-65746

Topics: Biological tissues , Composite materials , Fluids , Heat conduction , Heat transfer , Modeling , Nanocomposites , Nanoparticles , Shapes , Temperature effects

Transport Phenomena in Materials Processing and Manufacturing

Use of a Quasi-Steady Ablation Model for Design Sensitivity With Uncertainty Propagation

R. Anzalone, B. W. Barr, R. R. Upadhyay, O. A. Ezekoye

IMECE 2011; 1253-1261doi:https://doi.org/10.1115/IMECE2011-63677

Topics: Ablation (Vaporization technology) , Design , Uncertainty , Computation , Heat , Mass transfer , Shock (Mechanics) , Algebra , Boundary layers , Equilibrium (Physics)

Thermal-Mechanical Response of Non-Uniformly Heated LEU Foil Based Target

Kyler K. Turner, Gary L. Solbrekken, Charlie W. Allen

IMECE 2011; 1263-1271doi:https://doi.org/10.1115/IMECE2011-64734

Topics: Aluminum plate , Bonding , Clamps (Tools) , Deflection , Deformation , Density , Design , Fuels , Geometry , Heat transfer coefficients

Investigation of the Impact of Sintering on SOFC Charge Transfer

George J. Nelson, Brice N. Cassenti, Aldo A. Peracchio, Wilson K. S. Chiu

IMECE 2011; 1273-1277doi:https://doi.org/10.1115/IMECE2011-65239

Topics: Charge transfer , Sintering , Solid oxide fuel cells , Electrodes , Geometry , Composite materials , Finite element analysis , Modeling , Particulate matter , Periodic structures

Simulation of Weld Pool Dynamics and Subsequent Thermal Stress Analysis of Welded Joint Under Gas Tungsten Arc Welding

Debamoy Sen, Kenneth S. Ball, Mark A. Pierson

IMECE 2011; 1279-1286doi:https://doi.org/10.1115/IMECE2011-65373

Topics: Dynamics (Mechanics) , Gas tungsten arc welding , Simulation , Thermal stresses , Welded joints , Welding , Fluid dynamics , Heat transfer , Load bearing capacity , Surfactants

Computational Study of Pulsed Metal-Organic Chemical Vapor Deposition of Aluminum Nitride

Derek Endres, Sandip Mazumder

IMECE 2011; 1287-1295doi:https://doi.org/10.1115/IMECE2011-65525

Topics: Aluminum , Metalorganic chemical vapor deposition , Particulate matter , Computational fluid dynamics , Gas flow , Pressure , Semiconductor wafers , Temperature , Chemical reactions , Chemical vapor deposition

Development of a Belt Conveyor Cooling System for Concrete Aggregates

Khaled I. E. Ahmed, A. M. S. Hamouda, M. S. Gadala

IMECE 2011; 1297-1306doi:https://doi.org/10.1115/IMECE2011-65748

Topics: Concretes , Conveyor belts , Cooling systems , Cooling , Design , Conveyor systems , Compressive strength , Computer simulation , Finite element analysis , Finite element model