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Proceedings Papers
In This Volume
Volume 4: Heat Transfer, Parts A and B
Heat Transfer
General Interest
Effects of Rotation and Channel Orientation on the Flow Field Inside a Trailing Edge Internal Cooling Channel
GT 2012; 11-22https://doi.org/10.1115/GT2012-68050
Topics:
Cooling
,
Flow (Dynamics)
,
Rotation
,
Ducts
,
Air flow
,
Blades
,
Computer simulation
,
Experimental analysis
,
Gas turbines
,
Geometry
Heat Transfer Enhancement in Narrow Diverging Channels
Justin Lamont, Sridharan Ramesh, Srinath V. Ekkad, Anil Tolpadi, Christopher Kaminski, Samir Salamah
GT 2012; 185-191https://doi.org/10.1115/GT2012-68486
Topics:
Heat transfer
,
Heat transfer coefficients
,
Pressure drop
,
Liquid crystals
,
Transients (Dynamics)
,
Cooling
,
Design
,
Ducts
,
Geometry
,
Reynolds number
Experimental Study on Comparison of Cooling Effectiveness Between Steam and Air for a Gas Turbine Nozzle Guide Vane
GT 2012; 255-263https://doi.org/10.1115/GT2012-68691
Topics:
Cooling
,
Gas turbines
,
Nozzle guide vanes
,
Steam
,
Coolants
,
Temperature
,
Chords (Trusses)
,
Flow (Dynamics)
,
Blades
,
Cascades (Fluid dynamics)
Experimental and Numerical Analysis of Multiple Impingement Jet Arrays for an Active Clearance Control System
Antonio Andreini, Riccardo Da Soghe, Bruno Facchini, Francesco Maiuolo, Lorenzo Tarchi, Daniele Coutandin
GT 2012; 287-299https://doi.org/10.1115/GT2012-68791
Topics:
Clearances (Engineering)
,
Control systems
,
Numerical analysis
,
Engines
,
Ducts
,
Flow (Dynamics)
,
Jets
,
Reynolds number
,
Computational fluid dynamics
,
Cooling
Heat Transfer and Pressure Drop Analysis of a Turbine Casing Impingement Cooling System
GT 2012; 301-310https://doi.org/10.1115/GT2012-68793
Topics:
Heat transfer
,
Impingement cooling
,
Pressure drop
,
Turbines
,
Cooling
,
Pipes
,
Computational fluid dynamics
,
Cooling systems
,
Design
,
Discharge coefficient
Computational Investigation of Jet Impingement on Turbine Blade Leading Edge Cooling With Engine-Like Temperatures
GT 2012; 311-322https://doi.org/10.1115/GT2012-68811
Topics:
Cooling
,
Engines
,
Temperature
,
Turbine blades
,
Engineering simulation
,
Simulation
,
Flow (Dynamics)
,
Geometry
,
Airfoils
,
Computer simulation
Impingement Heat Transfer Enhancement on a Cylindrical, Leading Edge Model With Varying Jet Temperatures
GT 2012; 323-334https://doi.org/10.1115/GT2012-68817
Topics:
Heat transfer
,
Temperature
,
Heat transfer coefficients
,
Airfoils
,
Capacitance
,
Cooling
,
Fluids
,
Gas turbines
,
Jets
,
Reynolds number
Effect of the Biot Number on Metal Temperature of Thermal-Barrier-Coated Turbine Parts: Real Engine Measurements
GT 2012; 367-376https://doi.org/10.1115/GT2012-68866
Topics:
Engines
,
Metals
,
Temperature
,
Turbine components
,
Reynolds number
,
Stress
,
Gas turbines
,
Blades
,
Power stations
,
Temperature measurement
Conjugate Heat Transfer Analysis of Internally Cooled Turbine Blade
GT 2012; 377-386https://doi.org/10.1115/GT2012-68884
Topics:
Heat transfer
,
Turbine blades
,
Turbulence
,
Cooling
,
Blades
,
Flow (Dynamics)
,
NASA
,
Air flow
,
Computer software
,
Flow separation
Computational Predictions of Aero-Thermal Performance of a Turbine Filleted Blade Cascade With Endwall Film Cooling
GT 2012; 401-412https://doi.org/10.1115/GT2012-69049
Topics:
Blades
,
Cascades (Fluid dynamics)
,
Film cooling
,
Turbines
,
Coolants
,
Flow (Dynamics)
,
Engineering simulation
,
Simulation
,
Aerodynamic flow
,
Computation
Numerical Investigation of the Effect of Purge Flow on Aerodynamic Performance and Film Cooling Effectiveness on a Rotating Turbine With Non-Axisymmetric Endwall Contouring
GT 2012; 413-423https://doi.org/10.1115/GT2012-69069
Topics:
Film cooling
,
Flow (Dynamics)
,
Turbines
,
Rotors
,
Cooling
,
Aerodynamics
,
Blades
,
Boundary-value problems
,
Coolants
,
Design
Bend Geometries in Internal Cooling Channels for Improved Thermal Performance
GT 2012; 459-470https://doi.org/10.1115/GT2012-69190
Topics:
Cooling
,
Heat transfer
,
Pressure drop
,
Symmetry (Physics)
,
Coolants
,
Exterior walls
,
Flow (Dynamics)
,
Geometry
,
Reynolds number
,
Separation (Technology)
Numerical Study of the Flow Past a Turbine Blade Tip: Effect of Relative Motion Between Blade and Shroud
GT 2012; 471-480https://doi.org/10.1115/GT2012-69192
Topics:
Blades
,
Flow (Dynamics)
,
Turbine blades
,
Leakage flows
,
Centrifugal force
,
Clearances (Engineering)
,
Coolants
,
Engineering simulation
,
Failure
,
Pressure
Heat Transfer and Pressure Drop Measurements in High Solidity Pin Fin Cooling Arrays With Incremental Replenishment
GT 2012; 517-525https://doi.org/10.1115/GT2012-69289
Topics:
Cooling
,
Heat transfer
,
Pressure drop
,
Turbines
,
Airfoils
,
Pins (Engineering)
,
Boundary-value problems
,
Fuels
,
Heat
,
Industrial gases
Time-Resolved PIV Measurements of Turbulent Flow in Rotating Rib-Roughened Channel With Coriolis and Buoyancy Forces
GT 2012; 553-562https://doi.org/10.1115/GT2012-69406
Topics:
Buoyancy
,
Turbulence
,
Flow (Dynamics)
,
Copper
,
Coriolis force
,
Fluids
,
Heat transfer
,
Lasers
,
Measurement systems
,
Reynolds number
Heat Transfer Measurements in a Leading Edge Geometry With Racetrack Holes and Film Cooling Extraction
Luca Andrei, Carlo Carcasci, Riccardo Da Soghe, Bruno Facchini, Francesco Maiuolo, Lorenzo Tarchi, Stefano Zecchi
GT 2012; 609-619https://doi.org/10.1115/GT2012-69581
Topics:
Film cooling
,
Geometry
,
Heat transfer
,
Flow (Dynamics)
,
Cavities
,
Airfoils
,
Coolants
,
Cooling
,
Cooling systems
,
Engines
Multi-Color Techniques for Identification and Filtering of Burst Signals in Jet Engine Pyrometers
Jordi Estevadeordal, Guanghua Wang, Nirm Nirmalan, Sean P. Harper, Anquan Wang, Bradford Lewandowski, Joseph D. Rigney
GT 2012; 621-631https://doi.org/10.1115/GT2012-69614
Topics:
Filtration
,
Jet engines
,
Pyrometers
,
Signals
,
Particulate matter
,
Emissivity
,
Engines
,
Temperature
,
Aircraft engines
,
Blades
Experimental Survey on Heat Transfer in a Trailing Edge Cooling System: Effects of Rotation in Internal Cooling Ducts
GT 2012; 633-644https://doi.org/10.1115/GT2012-69638
Topics:
Cooling
,
Cooling systems
,
Ducts
,
Heat transfer
,
Rotation
,
Blades
,
Flow (Dynamics)
,
Gas turbines
,
Heat transfer coefficients
,
High pressure (Physics)
Conjugate Heat Transfer Calculations on GT Rotor Blade for Industrial Applications: Part I—Equivalent Internal Fluid Network Setup and Procedure Description
GT 2012; 669-679https://doi.org/10.1115/GT2012-69846
Topics:
Blades
,
Fluids
,
Heat transfer
,
Rotors
,
Computational fluid dynamics
,
Temperature
,
Computation
,
Cooling systems
,
Cycles
,
Design
Numerical Investigation of Heat Transfer and Cooling Effectiveness Within a LPT-Vane Cascade and its Comparison to Experimental Results
GT 2012; 693-705https://doi.org/10.1115/GT2012-69861
Topics:
Cascades (Fluid dynamics)
,
Cooling
,
Heat transfer
,
Flow (Dynamics)
,
Coolants
,
Simulation
,
Metals
,
Temperature
,
Turbines
,
Boundary-value problems
Unsteady CFD Analysis of Turbulent Flow and Heat Transfer in a Gas Turbine Blade Trailing Edge Subjected to Rotation
GT 2012; 707-719https://doi.org/10.1115/GT2012-69903
Topics:
Blades
,
Computational fluid dynamics
,
Gas turbines
,
Heat transfer
,
Rotation
,
Turbulence
,
Flow (Dynamics)
,
Cooling
,
Ducts
,
Heat
Comparison of Harmonic and Time-Marching Unsteady CFD Solutions With Measurements for a Single Stage High-Pressure Turbine
GT 2012; 721-735https://doi.org/10.1115/GT2012-69934
Topics:
Computational fluid dynamics
,
High pressure (Physics)
,
Turbines
,
Flow (Dynamics)
,
Blades
,
Design
,
Pressure
,
Rotating blades
,
Simulation
,
Aerodynamics
Time-Averaged and Time-Accurate Aerodynamic Effects of Forward Rotor Cavity Purge Flow for a High-Pressure Turbine: Part I—Analytical and Experimental Comparisons
GT 2012; 737-750https://doi.org/10.1115/GT2012-69937
Topics:
Cavities
,
Flow (Dynamics)
,
High pressure (Physics)
,
Rotors
,
Turbine components
,
Turbines
,
Design
,
Blades
,
Disks
,
Hardware
Time-Averaged and Time-Accurate Aerodynamic Effects of Rotor Purge Flow for a Modern, One and One-Half Stage High-Pressure Turbine: Part II—Analytical Flow Field Analysis
GT 2012; 751-764https://doi.org/10.1115/GT2012-69939
Topics:
Flow (Dynamics)
,
High pressure (Physics)
,
Rotors
,
Turbine components
,
Cavities
,
Turbines
,
Pressure
,
Blades
,
Design
,
Computational fluid dynamics
Aeroperformance Measurements for a Fully Cooled High-Pressure Turbine Stage
Charles Haldeman, Michael Dunn, Randall Mathison, William Troha, Timothy Vander Hoek, Ardeshir Riahi
GT 2012; 765-776https://doi.org/10.1115/GT2012-69941
Topics:
High pressure (Physics)
,
Turbines
,
Temperature
,
Cooling
,
Blades
,
Pressure
,
Clearances (Engineering)
,
Coolants
,
Engines
,
Flow (Dynamics)
Modifications and Upgrades to the AFRL Turbine Research Facility
GT 2012; 793-804https://doi.org/10.1115/GT2012-70084
Topics:
Turbines
,
Hardware
,
Computer software
,
Design
,
Airfoils
,
Cooling
,
Data acquisition
,
Modeling
,
Aerodynamics
,
Air Force
Heat Transfer in Transitional Flows (With Turbomachinery)
Direct Numerical Simulations of Transitional Separation–Bubble Development in Swept–Blade Flow Conditions
GT 2012; 805-817https://doi.org/10.1115/GT2012-68659
Topics:
Blades
,
Bubbles
,
Computer simulation
,
Flow (Dynamics)
,
Separation (Technology)
,
Pressure
,
Turbulence
,
Boundary layers
,
Shear (Mechanics)
,
Gas turbines
Predicting Rough Wall Heat Transfer and Skin Friction in Transitional Boundary Layers: A New Correlation for Bypass Transition Onset
GT 2012; 819-832https://doi.org/10.1115/GT2012-68910
Topics:
Boundary layers
,
Heat transfer
,
Skin friction (Fluid dynamics)
,
Surface roughness
,
Turbulence
,
Airfoils
,
Geometry
,
Anisotropy
,
Reynolds number
,
Suction
CFD Simulations of Unsteady Wakes on a Highly Loaded Low Pressure Turbine Airfoil (L1A)
GT 2012; 843-856https://doi.org/10.1115/GT2012-69770
Topics:
Airfoils
,
Computational fluid dynamics
,
Engineering simulation
,
Pressure
,
Simulation
,
Turbines
,
Wakes
,
Cascades (Fluid dynamics)
,
Blades
,
Reynolds number
Combustion (With Combustion, Fuels and Emissions)
Effusion-Cooling Performance at Gas Turbine Combustor Representative Flow Conditions
GT 2012; 857-869https://doi.org/10.1115/GT2012-68115
Topics:
Combustion chambers
,
Cooling
,
Flow (Dynamics)
,
Gas turbines
,
Turbulence
,
Coolants
,
Heat transfer coefficients
,
Film cooling
,
Density
,
Combustion systems
Density Ratio Effects on the Cooling Performances of a Combustor Liner Cooled by a Combined Slot/Effusion System
GT 2012; 903-914https://doi.org/10.1115/GT2012-68263
Topics:
Combustion chambers
,
Cooling
,
Density
,
Coolants
,
Engines
,
Flow (Dynamics)
,
Carbon dioxide
,
Annulus
,
Cooling systems
,
Ducts
Impact of an Upstream Film-Cooling Row on Mitigation of Secondary Combustion in a High Fuel-Air Environment
Brian T. Bohan, David L. Blunck, Marc D. Polanka, Stanislav Kostka, Naibo Jiang, Sukesh Roy, Scott D. Stouffer
GT 2012; 915-926https://doi.org/10.1115/GT2012-68310
Topics:
Combustion
,
Film cooling
,
Fuels
,
Coolants
,
Cooling
,
Combustion chambers
,
Engines
,
Exhaust systems
,
Fluorescence
,
Gas turbines
Evaporation of Volatile Liquid Pools Under Forced Convection: Part 2—Integration of a Vaporization Model in a CFD Software
GT 2012; 937-943https://doi.org/10.1115/GT2012-68409
Topics:
Computational fluid dynamics
,
Computer software
,
Evaporation
,
Forced convection
,
Fuels
,
Vapors
,
Ventilation
,
Explosions
,
Teams
,
Damage
Measurement of Thermal Contact Conductance of a Heat Shield for Gas Turbine Combustors in a Realistic Test Rig Set-Up
GT 2012; 945-955https://doi.org/10.1115/GT2012-68410
Topics:
Combustion chambers
,
Contact resistance
,
Gas turbines
,
Heat shielding
,
Bricks
,
Stress
,
Ceramics
,
Ceramic fibers
,
Finite element analysis
,
Steady state
Full Coverage Effusion Cooling With a Narrow Duct Backside Coolant Supply
GT 2012; 967-977https://doi.org/10.1115/GT2012-68629
Topics:
Coolants
,
Cooling
,
Ducts
,
Flow (Dynamics)
,
Cross-flow
,
Heat transfer
,
Metals
,
Pressure
,
Temperature
Characterization of the Influence of Moderate Pressure Fluctuations on the Cooling Performance of Advanced Combustor Cooling Concepts in a Reacting Flow
GT 2012; 987-999https://doi.org/10.1115/GT2012-68845
Topics:
Combustion
,
Combustion chambers
,
Cooling
,
Flow (Dynamics)
,
Fluctuations (Physics)
,
Pressure
Experiments on Combustor Effusion Cooling Under Conditions of Very High Free-Stream Turbulence
GT 2012; 1001-1013https://doi.org/10.1115/GT2012-68863
Topics:
Combustion chambers
,
Cooling
,
Turbulence
,
Flow (Dynamics)
,
Coolants
,
Film cooling
,
Combustion systems
,
Gas turbines
,
Test facilities
,
Computational methods
Impact of Swirl Flow on the Cooling Performance of an Effusion Cooled Combustor Liner
GT 2012; 1027-1039https://doi.org/10.1115/GT2012-68972
Topics:
Combustion chambers
,
Cooling
,
Flow (Dynamics)
,
Heat shielding
,
Coolants
,
Engines
,
Pressure measurement
,
Resolution (Optics)
,
Combustion
,
Density
Radiative Models for Hot Gas With Various H2O-CO2 Ratios
GT 2012; 1041-1049https://doi.org/10.1115/GT2012-69057
Topics:
Absorption
,
Carbon dioxide
,
Combustion
,
Computation
,
Computers
,
Databases
,
Emissivity
,
Gas turbines
,
Gases
,
Heat transfer
Experimental and Numerical Study on the Convective Heat Transfer and Pressure Loss in Rectangular Ducts With Inclined Pin-Fin on a Wavy Endwall
GT 2012; 1061-1072https://doi.org/10.1115/GT2012-69625
Topics:
Convection
,
Ducts
,
Pressure
,
Fins
,
Heat transfer
,
Heat transfer coefficients
,
Mass transfer
,
Combustion chambers
,
Computer simulation
,
Cooling
Structures (With Structures and Dynamics)
Characterizing Compressor Rotor Unclamp in a Gas Turbine Engine
GT 2012; 1083-1087https://doi.org/10.1115/GT2012-68882
Topics:
Compressors
,
Gas turbines
,
Rotors
,
Engines
,
Design
,
Temperature
,
Tie rods
,
Clamps (Tools)
,
Manufacturing
,
Stress
Steam Turbines (With Steam)
Experimental Investigation Into Thermal Behaviour of Steam Turbine Components: Part 1—Temperature Measurements With Optical Probes
GT 2012; 1099-1110https://doi.org/10.1115/GT2012-68703
Topics:
Probes
,
Steam turbines
,
Temperature measurement
,
Steam
,
Temperature
,
Rotors
,
Combined cycles
,
Cooling
,
Emissivity
,
Metals
Experimental Investigation Into Thermal Behavior of Steam Turbine Components: Part 2—Natural Cooling of Steam Turbines and the Impact on LCF Life
GT 2012; 1111-1120https://doi.org/10.1115/GT2012-68759
Topics:
Cooling
,
Steam turbines
,
Metals
,
Temperature
,
Electrical conductivity
,
Fluids
,
Rotors
,
Steam
,
Thermal conductivity
,
Buoyancy
Numerical Investigations on the Steam Cooling Performance of the First Two Middle Pressure Turbine Stages for Ultra-Supercritical Steam Turbines
GT 2012; 1121-1129https://doi.org/10.1115/GT2012-69302
Topics:
Cooling
,
Pressure
,
Steam
,
Steam turbines
,
Turbines
,
Flow (Dynamics)
,
Rotors
,
Temperature
,
Blades
,
Cylinders
Theoretical Investigations on Water Condensation in Main Steam Pipe
GT 2012; 1131-1138https://doi.org/10.1115/GT2012-69567
Topics:
Condensation
,
Pipes
,
Steam
,
Water
,
Heat transfer
,
Insulation
,
Convection
,
Heat conduction
,
Pipelines
,
Power stations
Film Cooling
Genetic Algorithm Optimization of an HPT Vane Pressure Side Film Cooling Array
GT 2012; 1151-1161https://doi.org/10.1115/GT2012-68049
Topics:
Film cooling
,
Genetic algorithms
,
Optimization
,
Pressure
,
Cooling
,
Computational fluid dynamics
,
Design
,
Temperature
,
Boundary-value problems
,
Compressors
Exploring Conjugate CFD Heat Transfer Characteristics for a Film-Cooled Flat Plate and 3-D Turbine Inlet Vane
GT 2012; 1163-1174https://doi.org/10.1115/GT2012-68065
Topics:
Computational fluid dynamics
,
Flat plates
,
Heat transfer
,
Turbines
,
Cooling
,
Film cooling
,
Design
,
Pressure
,
Coolants
,
Density
Experimental-Based Redesigns for Trailing Edge Film Cooling of Gas Turbine Blades
GT 2012; 1175-1184https://doi.org/10.1115/GT2012-68067
Topics:
Blades
,
Film cooling
,
Gas turbines
,
Flow (Dynamics)
,
Design
,
Geometry
,
Aircraft engines
,
Airfoils
,
Coolants
,
Jets
Film Cooling From Short Holes With Sister Hole Influence
GT 2012; 1185-1196https://doi.org/10.1115/GT2012-68081
Topics:
Film cooling
,
Flow (Dynamics)
,
Adhesion
,
Blades
,
Cooling
,
Turbulence
,
Vortex flow
Numerical and Experimental Investigation of the Film Cooling Effectiveness and Temperature Fields Behind a Novel Trench Configuration at High Blowing Ratio
GT 2012; 1197-1208https://doi.org/10.1115/GT2012-68125
Topics:
Film cooling
,
Temperature
,
Coolants
,
Density
,
Flow (Dynamics)
,
Cooling
,
Boundary layers
,
Computational fluid dynamics
,
Design
,
Engineering simulation
Experimental Investigations on Aero-Thermal Interaction of Film Cooling Airs Ejected From Multiple Holes: Shallow Hole Angle
GT 2012; 1209-1222https://doi.org/10.1115/GT2012-68215
Topics:
Film cooling
,
Cooling
,
Aerodynamics
,
Flow (Dynamics)
,
Jets
,
Reynolds number
,
Stress tensors
,
Thermography
Development of a Macroscopic CFD Model for Effusion Cooling Applications
GT 2012; 1235-1243https://doi.org/10.1115/GT2012-68251
Topics:
Computational fluid dynamics
,
Cooling
,
Flow (Dynamics)
,
Simulation
,
Engineering simulation
,
Heat sinks
,
Heat transfer
,
Combustion chambers
,
Flat plates
,
Heat
The Effect of Compound Angle on Nozzle Suction Side Film Cooling
GT 2012; 1269-1278https://doi.org/10.1115/GT2012-68357
Topics:
Film cooling
,
Nozzles
,
Suction
,
Flow (Dynamics)
,
Cooling
,
Cascades (Fluid dynamics)
,
Engines
,
Industrial gases
,
Jets
,
Mass transfer
3D Velocity and Scalar Field Measurements of an Airfoil Trailing Edge With Slot Film Cooling: The Effect of an Internal Structure in the Slot
GT 2012; 1279-1288https://doi.org/10.1115/GT2012-68364
Topics:
Airfoils
,
Film cooling
,
Scalar field theory
,
Coolants
,
Geometry
,
Diluents
,
Magnetic resonance imaging
,
Pressure
,
Vortices
,
Wakes
Multi-Row Film Cooling Performances of a High Lift Blade and Vane
GT 2012; 1311-1319https://doi.org/10.1115/GT2012-68478
Topics:
Blades
,
Film cooling
,
Suction
,
Airfoils
,
Pressure
,
Flow (Dynamics)
,
Cascades (Fluid dynamics)
,
Chords (Trusses)
,
Coolants
,
Cooling
Conjugate Heat Transfer Predictions of Effusion Cooling: The Influence of Injection Hole Size on Cooling Performance
GT 2012; 1321-1332https://doi.org/10.1115/GT2012-68516
Topics:
Cooling
,
Heat transfer
,
Coolants
,
Film cooling
,
Computational fluid dynamics
,
Flow (Dynamics)
,
Computer software
,
Heat
,
Jets
,
Mass transfer
Conjugate Heat Transfer Predictions of Effusion Cooling: The Influence of the Coolant Jet-Flow Direction on the Cooling Effectiveness
GT 2012; 1333-1343https://doi.org/10.1115/GT2012-68517
Topics:
Coolants
,
Cooling
,
Heat transfer
,
Jets
,
Flow (Dynamics)
,
Film cooling
,
Kidney
,
Vortices
,
Wall temperature
,
Adiabatic cooling
Improved Design of Internally Cooled Trailing Edge at Engine Similar Conditions: A Conjugate Heat Transfer Problem
GT 2012; 1357-1372https://doi.org/10.1115/GT2012-68557
Topics:
Design
,
Engines
,
Heat transfer
,
Wall temperature
,
Cooling
,
Corners (Structural elements)
,
Gas turbines
,
Temperature
,
Aerodynamics
,
Boundary-value problems
Leading Edge Shielding Concept in Gas Turbines With Can Combustors
GT 2012; 1397-1407https://doi.org/10.1115/GT2012-68644
Topics:
Combustion chambers
,
Gas turbines
,
Cooling
,
Coolants
,
Temperature
,
Turbines
,
Design
,
Film cooling
,
Heat
,
Shapes
Calculation of 3-D Temperature Distribution in Film-Cooled Flat Plates Using 2-D Empirical Correlations for Film-Cooling Effectiveness and Heat Transfer Augmentation
GT 2012; 1459-1471https://doi.org/10.1115/GT2012-68819
Topics:
Film cooling
,
Flat plates
,
Heat transfer
,
Temperature distribution
,
Temperature
,
Design
,
Flow (Dynamics)
,
Metals
,
Density
,
Engineering simulation
Numerical Validation of Heat Transfer Characteristics for Shower Head Film Cooled Turbine Vane
GT 2012; 1473-1478https://doi.org/10.1115/GT2012-68861
Topics:
Heat transfer
,
Turbines
,
Computational fluid dynamics
,
Turbulence
,
Film cooling
,
Flow (Dynamics)
,
Heat transfer coefficients
,
Blades
,
Mach number
,
Temperature
Comparison of Gas Turbine Vane Pressure Side and Suction Side Film Cooling Performance and the Applicability of Superposition
GT 2012; 1479-1489https://doi.org/10.1115/GT2012-68994
Topics:
Film cooling
,
Gas turbines
,
Pressure
,
Suction
,
Temperature
,
Cooling
,
Engineering prototypes
,
Heat transfer coefficients
,
Airfoils
,
Boundary layers
Film Effectiveness Correlations for Cylindrical and Fan-Shaped Holes, Introducing Local Pressure Coefficient
GT 2012; 1491-1500https://doi.org/10.1115/GT2012-69021
Topics:
Pressure
,
Flow (Dynamics)
,
Cooling
,
Film cooling
,
Suction
,
Gas turbines
,
Airfoils
,
Engines
,
Flat plates
,
Pressure gradient
CFD Based Sensitivity Analysis of Influencing Flow Parameters for Cylindrical and Shaped Holes in a Gas Turbine Vane
GT 2012; 1501-1509https://doi.org/10.1115/GT2012-69023
Topics:
Computational fluid dynamics
,
Flow (Dynamics)
,
Gas turbines
,
Sensitivity analysis
,
Film cooling
,
Cooling
,
Pressure
,
Density
,
Engines
,
Shapes
Large-Eddy Simulation of Film Cooling in an Adverse Pressure Gradient Flow
GT 2012; 1511-1526https://doi.org/10.1115/GT2012-69026
Topics:
Film cooling
,
Flow (Dynamics)
,
Large eddy simulation
,
Pressure gradient
,
Cooling
,
Carbon dioxide
,
Temperature
,
Density
,
Fluctuations (Physics)
,
Gas turbines
Influence of Coolant Density on Turbine Blade Film-Cooling With Compound-Angle Shaped Holes
GT 2012; 1559-1569https://doi.org/10.1115/GT2012-69117
Topics:
Coolants
,
Density
,
Film cooling
,
Turbine blades
,
Momentum
,
Turbulence
,
Blades
,
Gases
,
Pressure
,
Suction
An Experimental Investigation of an Anti-Vortex Film Cooling Geometry Under Low and High Turbulence Conditions
GT 2012; 1581-1593https://doi.org/10.1115/GT2012-69237
Topics:
Film cooling
,
Geometry
,
Turbulence
,
Vortices
,
Design
,
Flow (Dynamics)
,
Coolants
,
Flat plates
,
Thermography
,
Boundary layers
Experimental Investigation of Turbine Phantom Cooling on Suction Side With Combustor-Turbine Leakage Gap Flow and Endwall Film Cooling
GT 2012; 1595-1604https://doi.org/10.1115/GT2012-69295
Topics:
Combustion chambers
,
Film cooling
,
Flow (Dynamics)
,
Leakage
,
Phantom cooling
,
Suction
,
Turbines
,
Airfoils
,
Coolants
,
Cooling
Effect of Incidence Angle on Gas Turbine First-Stage Nozzle Guide Vane Leading Edge and Gill Region Film Cooling
GT 2012; 1605-1614https://doi.org/10.1115/GT2012-69298
Topics:
Film cooling
,
Gas turbines
,
Nozzle guide vanes
,
Design
,
Turbines
,
Cooling
,
Flow (Dynamics)
,
Mach number
,
Paints
,
Pressure
Effects of Periodic Unsteady Inflow on Film Cooling and Heat Transfer on Highly Loaded High Pressure Turbine Blades With Flow Separation
GT 2012; 1615-1625https://doi.org/10.1115/GT2012-69390
Topics:
Film cooling
,
Flow separation
,
Heat transfer
,
High pressure (Physics)
,
Inflow
,
Turbine blades
,
Cascades (Fluid dynamics)
,
Suction
,
Chords (Trusses)
,
Jets
Three-Dimensional Velocity Measurements of Film Cooling Flow Under Favorable Pressure Gradient
GT 2012; 1627-1638https://doi.org/10.1115/GT2012-69402
Topics:
Film cooling
,
Flow (Dynamics)
,
Pressure gradient
,
Velocity measurement
,
Vortices
,
Pressure
,
Airfoils
,
Dynamics (Mechanics)
,
Magnetic resonance
,
Turbines
Numerical Investigation on the Influence of the Fillet on Film Cooling Rotor Blades in Heavy Duty Gas Turbines With an Object-Oriented CFD Code
GT 2012; 1639-1648https://doi.org/10.1115/GT2012-69414
Topics:
Blades
,
Computational fluid dynamics
,
Film cooling
,
Gas turbines
,
Rotors
,
Engineering simulation
,
Flow (Dynamics)
,
Simulation
,
Computer simulation
,
Cooling
Coherent Structures in Trailing-Edge Cooling and the Challenge for Turbulent Heat Transfer Modelling
GT 2012; 1673-1682https://doi.org/10.1115/GT2012-69771
Topics:
Cooling
,
Modeling
,
Turbulent heat transfer
,
Turbulence
,
Blades
,
Diffusion (Physics)
,
Flow (Dynamics)
,
Flux (Metallurgy)
,
Heat
,
Large eddy simulation
Full Thermal Experimental Assessment of a Dendritic Turbine Vane Cooling Scheme
GT 2012; 1695-1705https://doi.org/10.1115/GT2012-69910
Topics:
Cooling
,
Turbines
,
Engines
,
Heat transfer
,
Flow (Dynamics)
,
Geometry
,
Turbulence
,
Coolants
,
Cooling systems
,
Cross-flow
Full-Coverage Film Cooling: Film Effectiveness and Heat Transfer Coefficients for Dense Hole Arrays at Different Hole Angles, Contraction Ratios, and Blowing Ratios
GT 2012; 1707-1723https://doi.org/10.1115/GT2012-70014
Topics:
Film cooling
,
Heat transfer coefficients
,
Coolants
,
Cooling
,
Density
,
Gas turbines
,
Pressure gradient
,
Reynolds number
,
Temperature
,
Turbulence
CFD Predictions of Heat Transfer Coefficient Augmentation on a Simulated Film Cooled Turbine Blade Leading Edge
GT 2012; 1725-1735https://doi.org/10.1115/GT2012-70015
Topics:
Computational fluid dynamics
,
Heat transfer coefficients
,
Turbine blades
,
Coolants
,
Density
,
Simulation
,
Computation
,
Engineering simulation
,
Jets
,
Turbulence
A Study of Deposition on a Turbine Vane With a Thermal Barrier Coating and Various Film Cooling Geometries
GT 2012; 1769-1780https://doi.org/10.1115/GT2012-70033
Topics:
Film cooling
,
Thermal barrier coatings
,
Turbines
,
Particulate matter
,
Cooling
,
Engines
,
Fuels
,
Convection
,
Flow (Dynamics)
,
Gas turbines
Internal Air Systems and Seals (With Turbomachinery)
The Effects of a Parametric Variation of the Rim Seal Geometry on the Interaction Between Hub Leakage and Mainstream Flows in HP Turbines
GT 2012; 1823-1833https://doi.org/10.1115/GT2012-68025
Topics:
Flow (Dynamics)
,
Geometry
,
Leakage
,
Turbines
,
Annulus
,
Rotors
,
Disks
,
Sealing (Process)
,
Design
,
Stators
Improving Turbine Stage Efficiency and Sealing Effectiveness Through Modifications of the Rim Seal Geometry
GT 2012; 1835-1845https://doi.org/10.1115/GT2012-68026
Topics:
Geometry
,
Sealing (Process)
,
Turbines
,
Cascades (Fluid dynamics)
,
Design
,
Engines
,
Flow (Dynamics)
,
Leakage
,
Computational fluid dynamics
,
Physics
Optimization of Labyrinth Seal Performance Combining Experimental, Numerical and Data Mining Methods
GT 2012; 1847-1854https://doi.org/10.1115/GT2012-68077
Topics:
Data mining
,
Optimization
,
Databases
,
Discharge coefficient
,
Fins
,
Accuracy and precision
,
Engines
,
Flow (Dynamics)
,
Geometry
,
Leakage
Characterization of Metallic W-Seals for Inner to Outer Shroud Sealing in Industrial Gas Turbines
GT 2012; 1855-1862https://doi.org/10.1115/GT2012-68131
Topics:
Industrial gases
,
Sealing (Process)
,
Turbines
,
Clearances (Engineering)
,
Leakage
,
Compression
,
Manufacturing
,
Modeling
,
Pressure
,
Emissions
Procedure for Calculation of Component Thermal Loads for Running Clearances of Heavy-Duty Gas Turbines
GT 2012; 1863-1875https://doi.org/10.1115/GT2012-68184
Topics:
Gas turbines
,
Stress
,
Heat transfer
,
Design
,
Rotors
,
Transients (Dynamics)
,
Turbines
,
Bearings
,
Computational methods
,
Emissions
Experimental and Numerical Investigation of the Flow Field at Radial Holes in High-Speed Rotating Shafts
GT 2012; 1899-1912https://doi.org/10.1115/GT2012-68209
Topics:
Cross-flow
,
Discharge coefficient
,
Flow (Dynamics)
,
Orifices
,
Compressors
,
Cooling
,
Coriolis force
,
Flow simulation
,
Screws
,
Sealing (Process)
Method for 1-D Rotating/Stationary Disk Cavity Heat Transfer Analysis With Partial Flow Ingestion in a Gas Turbine
GT 2012; 1913-1919https://doi.org/10.1115/GT2012-68295
Topics:
Cavities
,
Disks
,
Flow (Dynamics)
,
Gas turbines
,
Heat transfer
,
Computational fluid dynamics
,
Engines
,
Design
,
Optimization
,
Transients (Dynamics)
Pre-Swirl Cooling Air Delivery System Performance Study
GT 2012; 1921-1932https://doi.org/10.1115/GT2012-68342
Topics:
Cooling
,
Rotors
,
Cavities
,
Computation
,
Design
,
Nozzles
,
Orifices
,
Blades
,
Boundary-value problems
,
Computational fluid dynamics
Numerical and Experimental Investigation of Secondary Flows and Influence of Air System Design on Heavy-Duty Gas Turbine Performance
GT 2012; 1933-1946https://doi.org/10.1115/GT2012-68392
Topics:
Design
,
Flow (Dynamics)
,
Gas turbines
,
Cooling
,
Engines
,
Blades
,
Network models
,
Sealing (Process)
,
Air flow
,
Combined cycle power stations
3D Coupled Fluid-Solid Thermal Simulation of a Turbine Disc Through a Transient Cycle
GT 2012; 1959-1969https://doi.org/10.1115/GT2012-68430
Topics:
Cycles
,
Disks
,
Fluids
,
Simulation
,
Transients (Dynamics)
,
Turbines
,
Computational fluid dynamics
,
Finite element analysis
,
Flow (Dynamics)
,
Metals
Computational Extrapolation of Turbine Sealing Effectiveness From Test Rig to Engine Conditions
GT 2012; 1971-1982https://doi.org/10.1115/GT2012-68490
Topics:
Engines
,
Sealing (Process)
,
Turbines
,
Clearances (Engineering)
,
Flow (Dynamics)
,
Mach number
,
Annulus
,
Pressure
,
Wheels
,
Compressible flow
Main Annulus Gas Path Interactions: Turbine Stator Well Heat Transfer
GT 2012; 2013-2024https://doi.org/10.1115/GT2012-68588
Topics:
Annulus
,
Heat transfer
,
Stators
,
Turbines
,
Cooling
,
Disks
,
Cavities
,
Computational fluid dynamics
,
Design
,
Flow (Dynamics)
An Investigation Into Numerical Analysis Alternatives for Predicting Re-Ingestion in Turbine Disc Rim Cavities
Antonio Guijarro Valencia, Jeffrey A. Dixon, Riccardo Da Soghe, Bruno Facchini, Peter E. J. Smith, Julien Muñoz, Daniel Eastwood, Christopher A. Long, Daniel D. Coren, Nicholas R. Atkins
GT 2012; 2025-2035https://doi.org/10.1115/GT2012-68592
Topics:
Cavities
,
Disks
,
Numerical analysis
,
Turbines
,
Computational fluid dynamics
,
Cooling
,
Flow (Dynamics)
,
Engines
,
Gas turbines
,
Modeling
Prediction of De-Swirled Radial Inflow in Rotating Cavities With Hysteresis
GT 2012; 2037-2046https://doi.org/10.1115/GT2012-68647
Topics:
Cavities
,
Inflow
,
Flow (Dynamics)
,
Steady state
,
Transients (Dynamics)
,
Vortices
,
Engines
,
Nozzles
,
Testing
,
Disks
Effects of Centrifugal Forces on Particle Deposition for a Representative Seal Pin Between Two Blades
GT 2012; 2061-2071https://doi.org/10.1115/GT2012-68777
Topics:
Blades
,
Centrifugal force
,
Particulate matter
,
Steel corrosion
,
Engines
,
Flow (Dynamics)
,
Gas turbines
,
Filtration
,
Geometry
,
Pipes
Emergence of Kelvin-Helmholtz Instabilities in Gas Turbine Rim Cavities: A Parameter Study
GT 2012; 2097-2106https://doi.org/10.1115/GT2012-68834
Topics:
Cavities
,
Gas turbines
,
Vortices
,
Computational fluid dynamics
,
Blades
,
Boundary-value problems
,
Computation
,
Flow (Dynamics)
,
Gas flow
,
Guide vanes
On the Lifting Performance of Finger Seal With Pad Grooved
GT 2012; 2107-2118https://doi.org/10.1115/GT2012-68855
Topics:
Clearances (Engineering)
,
Deformation
,
Flow (Dynamics)
,
Fluids
,
Vortices
The Development of a Large Radial Movement Brush Seal
GT 2012; 2119-2129https://doi.org/10.1115/GT2012-68891
Topics:
Deflection
,
Engines
,
Flow measurement
,
Geometry
,
Pressure
,
Rotors
,
Stiffness
,
Stress
,
Torque
,
Wear
Improved Understanding of Negative Stiffness in Filament Seals
GT 2012; 2131-2139https://doi.org/10.1115/GT2012-68899
Topics:
Stiffness
,
Rotors
,
Displacement
,
Design
,
Flow (Dynamics)
,
Fluids
,
Gas turbines
,
Geometry
,
Inertia (Mechanics)
,
Modeling
Coupled Fluid-Structure Transient Thermal Analysis of a Gas Turbine Internal Air System With Multiple Cavities
GT 2012; 2167-2177https://doi.org/10.1115/GT2012-68989
Topics:
Cavities
,
Fluids
,
Gas turbines
,
Thermal analysis
,
Transients (Dynamics)
,
Cycles
,
Disks
,
Engines
,
Flight
,
Flow (Dynamics)
Compliant Plate Seals: Testing and Validation
GT 2012; 2233-2240https://doi.org/10.1115/GT2012-69356
Topics:
Aircraft engines
,
Clearances (Engineering)
,
Deflection
,
Design
,
Feedback
,
Gas compressors
,
Gas turbines
,
Hydrostatics
,
Leakage
,
Manufacturing
Windage Measurements in a Rotor Stator Cavity With Rotor Mounted Protrusions and Bolts
GT 2012; 2241-2250https://doi.org/10.1115/GT2012-69385
Topics:
Cavities
,
Rotors
,
Stators
,
Disks
,
Heating
,
Temperature
,
Gas turbines
,
Torque
,
Design
,
Engines