1-20 of 66
Keyword: thin films
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles
Article Type: Research-Article
J. Heat Transfer. June 2013, 135(6): 061601.
Paper No: HT-12-1561
Published Online: May 16, 2013
... evidence for the Casimir limit at room temperature. More recent studies on ultrathin films and periodically porous thin films are exploring the possibility of phonon dispersion modifications in confined geometries and porous films. silicon phonon transport thermal conductivity nanoscale thin...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. July 2012, 134(7): 074503.
Published Online: May 22, 2012
... waves thin films The modern technology trend is toward the continued shrinking to sufficiently smaller scales when the devices size becomes comparable with the characteristic length and the operating time is reduced to the relaxation time of the heat carriers in the material of these devices...
Journal Articles
Article Type: Radiative Heat Transfer
J. Heat Transfer. July 2012, 134(7): 072701.
Published Online: May 18, 2012
... thermal emission thin films wave interferences Due to the random thermal motion of charges, such as electrons in metals or ions in polar materials, any object at a temperature above absolute zero will emit thermal radiation. In most cases, bulk solids emit thermal radiation in a broad spectrum...
Journal Articles
Article Type: Heat Transfer In Nanochannels, Microchannels, And Minichannels
J. Heat Transfer. February 2012, 134(2): 020910.
Published Online: December 22, 2011
... thin films and graphite substrates. Elastic and inelastic diffusive transport models are formulated to aid in the prediction of conductance at a metal-graphite interface. The temperature dependence of the thermal conductance at Au-graphite interfaces is measured via transient thermoreflectance from 78...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. January 2012, 134(1): 011501.
Published Online: October 28, 2011
... gas turbines jets liquid films rotational flow thin films two-phase flow film cooling surface curvature mist cooling heat transfer enhancement The film cooling technique is applied in modern gas turbines to protect the components such as the turbine blades from hot combustion...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. September 2011, 133(9): 092401.
Published Online: July 7, 2011
... rectification thermal conductivity thin films thermal rectification molecular dynamics interface conductance Thermal rectification is a phenomenon where the magnitude of transport in a specific direction through a material is dependent on the sign or direction of the temperature gradient, and...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. June 2011, 133(6): 061601.
Published Online: March 9, 2011
...-based thermal algorithm to solve for the temperature change and heat transfer in which a thin film subjected to a modulated heat source is sandwiched between two thermally conductive pathways. We validate our solution with time domain thermoreflectance measurements on glass slides and extend the thermal...
Journal Articles
Article Type: Thermal Issues In Emerging Technologies
J. Heat Transfer. June 2011, 133(6): 060906.
Published Online: March 7, 2011
... micro- and nanoscale dopants are added to achieve desired optical characteristics, thin film fabrication by chemical vapor deposition, and microscale coating of fibers and devices. It is shown that major challenges are posed by the simulation and experimentation, as compared with those for engineering...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. June 2011, 133(6): 061501.
Published Online: March 2, 2011
...Yang Li; JunJie Yan; JinShi Wang; GuoXiang Wang A semi-empirical model describing the heat transfer characteristics of the pseudo-dropwise condensation of binary vapor on a cooled vertical tube has been formulated. By ignoring the thin film always present on the condensation surface and the...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. February 2011, 133(2): 022403.
Published Online: November 3, 2010
... is approximately 600 W / m K at room temperature. While this value is lower than the reported basal plane values for graphite and suspended graphene because of phonon leakage across the graphene-support interface, it is still considerably higher than the values for common thin film electronic...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. October 2010, 132(10): 101302.
Published Online: August 18, 2010
...François Mathieu-Potvin; Louis Gosselin In this paper, we optimized the topology of a thin-film resistive heater as well as the electrical potential of the electrodes on the boundaries. The objective was to minimize the difference between the actual and prescribed temperature profiles. The thin...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. October 2010, 132(10): 104503.
Published Online: July 28, 2010
...A.-R. A. Khaled This work considers heat transfer in fin-thin film systems. Two types of these systems are analyzed: (A) a thin film sandwiched between two identical fin halves, and (B) a fin sandwiched between two identical thin films. The corresponding coupled energy equations are solved...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. September 2010, 132(9): 091302.
Published Online: June 28, 2010
...., bimaterial, a finite thin film on a semi-infinite substrate, and a finite strip, can be analyzed as special cases of the present study. The numerical results of the temperature distributions for some practical examples are provided in graphic form and discussed in details. 01 07 2009 04 03 2010...
Journal Articles
Article Type: Photo Gallery
J. Heat Transfer. August 2010, 132(8): 080902.
Published Online: June 11, 2010
...Ram Ranjan; Jayathi Y. Murthy; Suresh V. Garimella 11 06 2010 11 06 2010 convection evaporation heat pipes Laplace equations numerical analysis thin films two-phase flow vortices 2010 American Society of Mechanical Engineers ...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. August 2010, 132(8): 081302.
Published Online: May 20, 2010
...Patrick E. Hopkins; Justin R. Serrano; Leslie M. Phinney; Sean P. Kearney; Thomas W. Grasser; C. Thomas Harris Pump-probe transient thermoreflectance (TTR) techniques are powerful tools for measuring the thermophysical properties of thin films, such as thermal conductivity, Λ , or thermal boundary...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. February 2010, 132(2): 023301.
Published Online: November 30, 2009
... doped Si samples were calculated by treating the doped region as multilayer thin films of different doping concentrations on a thick lightly doped Si substrate. The measured spectral transmittance and reflectance agree well with the model predictions. The knowledge gained from this study will aid future...
Journal Articles
Article Type: Guest Editorial
J. Heat Transfer. December 2009, 131(12): 120301.
Published Online: October 15, 2009
...Milind A. Jog; Raj M. Manglik 15 10 2009 boiling coatings evaporation heat transfer interface phenomena multiphase flow sprays thin films Heat and mass transfer across multiphase interfaces, or liquid-vapor/gas-solid phase boundaries, represent the most fundamental...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. October 2009, 131(10): 101001.
Published Online: July 28, 2009
... performance, the thermal conduction resistance of the liquid filling the microstructure, and the thin-film characteristics of the liquid meniscus. In the present study, the free-surface shapes of the static liquid meniscus in common microstructures are modeled using SURFACE EVOLVER for zero Bond number. Four...
Journal Articles
Article Type: Micro/Nanoscale Heat Transfer—Part Ii
J. Heat Transfer. April 2009, 131(4): 043208.
Published Online: February 20, 2009
... flow for the high-energy electrons other than electron-phonon coupling in a single material. Traditionally, electron-phonon coupling in transport is analyzed with a diffusion (Fourier) based model, such as the two temperature model (TTM). However, in thin films with thicknesses less than the electron...
Journal Articles
Article Type: Micro/Nanoscale Heat Transfer—Part I
J. Heat Transfer. March 2009, 131(3): 033111.
Published Online: January 26, 2009
... of the final product, such as in a crystal drawn from silicon melt or a gel from the chemical conversion of a biopolymer. Also, a wide variety of material fabrication processes, such as the manufacture of optical glass fiber for telecommunications, fabrication of thin films by chemical vapor...