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Proceedings Papers
Volume 5: Turbo Expo 2003, Parts A and B
Heat Transfer: General
Optimization of a Large Number of Coolant Passages Located Close to the Surface of a Turbine Blade
GT 2003; 13-19https://doi.org/10.1115/GT2003-38051
Topics:
Coolants
,
Optimization
,
Turbine blades
,
Airfoils
,
Finite element analysis
,
Boundary-value problems
,
Computers
,
Convection
,
Flow (Dynamics)
,
Gas turbines
Experimental and Numerical Investigation of Impingement on a Rib-Roughened Leading-Edge Wall
GT 2003; 31-41https://doi.org/10.1115/GT2003-38118
Topics:
Airfoils
,
Cavities
,
Computational fluid dynamics
,
Cooling
,
Flow (Dynamics)
,
Gas turbines
,
Heat
,
Heat transfer
,
Heat transfer coefficients
,
Impingement cooling
Large-Eddy Simulations of Heat Transfer in a Ribbed Channel for Internal Cooling of Turbine Blades
GT 2003; 43-54https://doi.org/10.1115/GT2003-38122
Topics:
Cooling
,
Heat transfer
,
Large eddy simulation
,
Turbine blades
,
Friction
,
Turbulence
,
Flow (Dynamics)
,
Reynolds number
,
Shear (Mechanics)
Experimental and Numerical Investigation of Trailing Edge Film Cooling by Circular Coolant Wall Jets Ejected From a Slot With Internal Rib Arrays
GT 2003; 71-79https://doi.org/10.1115/GT2003-38157
Topics:
Coolants
,
Film cooling
,
Jets
,
Cooling
,
Flow (Dynamics)
,
Pressure
,
Discharge coefficient
,
Turbine blades
,
Wall temperature
Interactions of Film Cooling Rows: Effects of Hole Geometry and Row Spacing on the Cooling Performance Downstream of the Second Row of Holes
GT 2003; 101-110https://doi.org/10.1115/GT2003-38195
Topics:
Cooling
,
Film cooling
,
Geometry
,
Boundary layers
,
Density
,
Engines
,
Heat transfer coefficients
,
Mach number
,
Turbulence
Heat Transfer and Pressure Drop Evaluation in Thin Wedge-Shaped Trailing Edge
GT 2003; 111-122https://doi.org/10.1115/GT2003-38197
Topics:
Heat transfer
,
Pressure drop
,
Wedges
,
Fins
,
Ducts
,
Heat transfer coefficients
,
Airfoils
,
Design
,
Geometry
,
Turbines
Cooling Performance of an Integrated Impingement and Pin Fin Cooling Configuration
Shigemichi Yamawaki, Chiyuki Nakamata, Ryouji Imai, Shinsuke Matsuno, Toyoaki Yoshida, Fujio Mimura, Masaya Kumada
GT 2003; 133-142https://doi.org/10.1115/GT2003-38215
Topics:
Computational fluid dynamics
,
Cooling
,
Heat transfer
,
Impingement cooling
,
Density
,
Casting
,
Engines
,
Film cooling
,
Flat plates
,
Geometry
Prediction of Turbulent Heat Transfer and Fluid Flow in 2D Channels Roughened by Square and Deformed Ribs
GT 2003; 143-152https://doi.org/10.1115/GT2003-38226
Topics:
Fluid dynamics
,
Turbulent heat transfer
,
Heat transfer
,
Computational fluid dynamics
,
Turbulence
,
Cooling
,
Algebra
,
Combustion chambers
,
Deformation
,
Design
Predictions of Cooling From Dirt Purge Holes Along the Tip of a Turbine Blade
GT 2003; 153-162https://doi.org/10.1115/GT2003-38251
Topics:
Cooling
,
Turbine blades
,
Blades
,
Flow (Dynamics)
,
Heat transfer
,
Cascades (Fluid dynamics)
,
Centrifugal force
,
Clearances (Engineering)
,
Compressors
,
Coolants
Turbine Nozzle Endwall Inlet Film Cooling: The Effect of a Back-Facing Step
GT 2003; 203-211https://doi.org/10.1115/GT2003-38319
Topics:
Film cooling
,
Nozzles
,
Turbines
,
Flow (Dynamics)
,
Cooling
,
Engines
,
Jets
,
Mass transfer
,
Momentum
,
Nitrogen
Pressure and Flow Characteristics in a Rotating Two-Pass Square Duct With 45° Angled Ribs
GT 2003; 225-235https://doi.org/10.1115/GT2003-38346
Topics:
Ducts
,
Flow (Dynamics)
,
Pressure
,
Rotation
,
Computational fluid dynamics
,
Computer simulation
,
Kinetic energy
,
Lasers
,
Pressure transducers
,
Reynolds number
Computation of Flow and Heat Transfer in Rotating Rectangular Channels (AR = 4) With V-Shaped Ribs by a Reynolds Stress Turbulence Model
GT 2003; 237-246https://doi.org/10.1115/GT2003-38348
Topics:
Computation
,
Flow (Dynamics)
,
Heat transfer
,
Stress
,
Turbulence
,
Rotation
,
Coolants
,
Density
,
Reynolds number
,
Flux (Metallurgy)
Experimental Investigation of the Heat Transfer in a Rib-Roughened Leading-Edge Cooling Channel
GT 2003; 267-272https://doi.org/10.1115/GT2003-38399
Topics:
Cooling
,
Heat transfer
,
Pipes
,
Pressure drop
,
Reynolds number
,
Blades
,
Databases
,
Fully developed turbulent flow
,
Geometry
,
Performance
Numerical 3-D Conjugate Flow and Heat Transfer Investigation of a Transonic Convection-Cooled Thermal Barrier Coated Turbine Guide Vane With Reduced Cooling Fluid Mass Flow
GT 2003; 279-286https://doi.org/10.1115/GT2003-38431
Topics:
Convection
,
Cooling
,
Flow (Dynamics)
,
Fluids
,
Guide vanes
,
Heat transfer
,
Turbines
,
Blades
,
Thermal stresses
,
Aerodynamics
Measurement and Prediction of Heat Transfer Distributions on an Aft Loaded Vane Subjected to the Influence of Catalytic and Dry Low NOx Combustor Turbulence
GT 2003; 331-341https://doi.org/10.1115/GT2003-38509
Topics:
Combustion chambers
,
Heat transfer
,
Nitrogen oxides
,
Turbulence
,
Pressure
,
Boundary layers
,
Reynolds number
,
Suction
,
Aerodynamics
,
Algebra
The Unsteady Effect of Passing Shocks on Pressure Surface Versus Suction Surface Heat Transfer in Film-Cooled Transonic Turbine Blades
GT 2003; 343-350https://doi.org/10.1115/GT2003-38530
Topics:
Heat transfer
,
Pressure
,
Shock (Mechanics)
,
Suction
,
Turbine blades
,
Film cooling
,
Coolants
,
Shock waves
,
Heat flux
,
Boundary layers
Three-Dimensional Conjugate Heat Transfer Simulation of an Internally-Cooled Gas Turbine Vane
GT 2003; 351-360https://doi.org/10.1115/GT2003-38551
Topics:
Gas turbines
,
Heat transfer
,
Simulation
,
Metals
,
Temperature
,
Boundary-value problems
,
Cascades (Fluid dynamics)
,
Convection
,
Coolants
,
Cooling
Applicability of Temperature Sensitive Paints for Measurement of Surface Temperature Distribution
GT 2003; 403-414https://doi.org/10.1115/GT2003-38591
Topics:
Paints
,
Temperature
,
Temperature distribution
,
Calibration
,
Flow (Dynamics)
,
Emissions
,
Nozzles
,
Painting
,
Polymers
,
Temperature measurement
The Determination of In-Situ Film Hole Flow Rates Using a Transient Thermal Inertia Method
GT 2003; 443-450https://doi.org/10.1115/GT2003-38610
Topics:
Flow (Dynamics)
,
Inertia (Mechanics)
,
Transients (Dynamics)
,
Discharge coefficient
,
Airfoils
,
Calibration
,
Coating processes
,
Coatings
,
Cooling
,
Heat transfer
Heat/Mass Transfer in 1:4 Rectangular Passages With Rotation
GT 2003; 459-470https://doi.org/10.1115/GT2003-38615
Topics:
Heat
,
Mass transfer
,
Rotation
,
Chords (Trusses)
,
Coolants
,
Reynolds number
,
Turbine blades
Numerical Study of Flow and Heat Transfer on a Blade Tip With Different Leakage Reduction Strategies
GT 2003; 471-480https://doi.org/10.1115/GT2003-38617
Topics:
Blades
,
Flow (Dynamics)
,
Heat transfer
,
Leakage
,
Pressure
,
Leakage flows
,
Suction
,
Heat transfer coefficients
,
Clearances (Engineering)
,
Rotors
Effects of Duct Aspect Ratios on Heat/Mass Transfer With Discrete V-Shaped Ribs
GT 2003; 509-516https://doi.org/10.1115/GT2003-38622
Topics:
Ducts
,
Heat
,
Mass transfer
,
Reynolds number
,
Blades
,
Cooling
,
Flow (Dynamics)
,
Gas turbines
,
Vortices
Effect of Various Injection Hole Shapes on Film Cooling of Turbine Blade
GT 2003; 541-549https://doi.org/10.1115/GT2003-38645
Topics:
Film cooling
,
Shapes
,
Turbine blades
,
Coolants
,
Flow (Dynamics)
,
Cylinders
,
Jets
,
Thermography
,
Pressure
,
Reynolds number
Coupled Analysis of Cooled Gas Turbine Blades
GT 2003; 551-558https://doi.org/10.1115/GT2003-38657
Topics:
Blades
,
Gas turbines
,
Flow (Dynamics)
,
Heat transfer
,
Fluid dynamics
,
Turbulence
,
Algorithms
,
Boundary-value problems
,
Computation
,
Cooling
Effect of Showerhead Injection on Superposition of Multi-Row Pressure Side Film Cooling With Fan Shaped Holes
GT 2003; 559-568https://doi.org/10.1115/GT2003-38693
Topics:
Film cooling
,
Pressure
,
Boundary layers
,
Coolants
,
Carbon dioxide
,
Cascades (Fluid dynamics)
,
Cooling
,
Density
,
Engines
,
Flow (Dynamics)
Flow Effects on the Bend Region Heat Transfer Distribution of 2-Pass Internal Coolant Passages of Gas Turbine Airfoils: Influence of Film Cooling Extraction
GT 2003; 569-580https://doi.org/10.1115/GT2003-38702
Topics:
Airfoils
,
Coolants
,
Film cooling
,
Flow (Dynamics)
,
Gas turbines
,
Heat transfer
,
Ducts
,
Exterior walls
,
Flow measurement
,
Heat transfer coefficients
Numerical Predictions of Film Cooled NGV Blades
GT 2003; 639-649https://doi.org/10.1115/GT2003-38861
Topics:
Blades
,
Nozzle guide vanes
,
Film cooling
,
Airfoils
,
Turbines
,
Computational fluid dynamics
,
Coolants
,
Engines
,
Flow (Dynamics)
,
Gas turbines
Investigation of Film Cooling Effectiveness of Full-Coverage Inclined Multihole Walls With Different Hole Arrangements
GT 2003; 651-660https://doi.org/10.1115/GT2003-38881
Topics:
Film cooling
,
Combustion chambers
,
Computer simulation
,
Coolants
,
Flow (Dynamics)
,
Plates (structures)
,
Design
,
Heat
,
Jets
,
Temperature distribution
Heat Transfer Coefficients on the Squealer Tip and Near Tip Regions of a Gas Turbine Blade With Single or Double Squealer
GT 2003; 681-690https://doi.org/10.1115/GT2003-38907
Topics:
Blades
,
Gas turbines
,
Heat transfer coefficients
,
Pressure
,
Suction
,
Cascades (Fluid dynamics)
,
Geometry
,
Chords (Trusses)
,
Heat transfer
,
Leakage flows
Turbine Tip and Shroud Heat Transfer and Loading: Part B — Comparisons Between Prediction and Experiment Including Unsteady Effects
GT 2003; 691-702https://doi.org/10.1115/GT2003-38916
Topics:
Heat transfer
,
Turbines
,
Blades
,
Flow (Dynamics)
,
Physics
,
Air Force
,
Airfoils
,
Annulus
,
Collaboration
,
Heat
Optimizing the Vane-Endwall Junction to Reduce Adiabatic Wall Temperatures in a Turbine Vane Passage
GT 2003; 711-721https://doi.org/10.1115/GT2003-38939
Topics:
Junctions
,
Turbines
,
Wall temperature
,
Flow (Dynamics)
,
Gas turbines
,
Computational fluid dynamics
,
Design
,
Airfoils
,
Computer software
,
Engines
Heat Transfer: Transition
Measurements and Prediction of Free-Stream Turbulence and Pressure-Gradient Effects on Attached-Flow Boundary-Layer Transition
GT 2003; 729-743https://doi.org/10.1115/GT2003-38261
Topics:
Boundary layers
,
Flow (Dynamics)
,
Pressure gradient
,
Turbulence
,
Reynolds number
,
Flat plates
,
Pressure
,
Suction
,
Turbine blades
,
Wire
Effects of Periodic Unsteadiness, Free-Stream Turbulence, and Flow Reynolds Number on Separation-Bubble Transition
GT 2003; 745-759https://doi.org/10.1115/GT2003-38262
Topics:
Bubbles
,
Flow (Dynamics)
,
Reynolds number
,
Separation (Technology)
,
Turbulence
,
Flat plates
,
Fluctuations (Physics)
,
Pressure
,
Suction
,
Turbine blades
Studies on Effects of Periodic Wake Passing Upon a Blade Leading Edge Separation Bubble: Experimental Investigation Using a Simple Leading Edge Model
GT 2003; 761-769https://doi.org/10.1115/GT2003-38281
Topics:
Blades
,
Bubbles
,
Separation (Technology)
,
Wakes
,
Flow (Dynamics)
,
Turbulence
,
Boundary layers
,
Compressors
,
Flat plates
,
Generators
Intermittency Transport Modeling of Separated Flow Transition
GT 2003; 811-819https://doi.org/10.1115/GT2003-38719
Topics:
Flow (Dynamics)
,
Modeling
,
Separation (Technology)
,
Bubbles
,
Turbulence
,
Blades
,
Boundary layers
,
Flat plates
,
Fluids
,
Momentum
Passive Flow Control on Low-Pressure Turbine Airfoils
GT 2003; 833-844https://doi.org/10.1115/GT2003-38728
Topics:
Airfoils
,
Flow control
,
Pressure
,
Turbines
,
Boundary layers
,
Turbulence
,
Separation (Technology)
,
Suction
,
Bubbles
,
Reynolds number
Modeling Laminar-to-Turbulent Transition in a Low-Pressure Turbine Flow Which Is Unsteady Due to Passing Wakes: Part I — Transition Onset
GT 2003; 861-870https://doi.org/10.1115/GT2003-38787
Topics:
Flow (Dynamics)
,
Modeling
,
Pressure
,
Turbines
,
Turbulence
,
Wakes
,
Boundary layers
,
Cycles
,
Suction
,
Turbine blades
Effect of Elevated Free-Stream Turbulence on Transitional Heat Transfer Over Dual-Scaled Rough Surfaces
GT 2003; 871-882https://doi.org/10.1115/GT2003-38835
Topics:
Heat transfer
,
Surface roughness
,
Turbulence
,
Flow (Dynamics)
,
Boundary layers
,
Geometry
,
Vortex shedding
,
Airfoils
,
Cylinders
,
Flat plates
Heat Transfer: Internal Air Systems and Seals
Cooling Air Temperature Reduction in a Direct Transfer Preswirl System
GT 2003; 955-964https://doi.org/10.1115/GT2003-38231
Topics:
Cooling
,
Temperature
,
Rotors
,
Stators
,
Disks
,
Reynolds number
,
Air flow
,
Cavities
,
Drag (Fluid dynamics)
,
Flow (Dynamics)
Analysis of Tangential-Against-Rotation Injection Lomakin Bearings
GT 2003; 1021-1032https://doi.org/10.1115/GT2003-38411
Topics:
Bearings
,
Rotation
,
Flow (Dynamics)
,
Thin films
,
Algorithms
,
Inertia (Mechanics)
,
Orifices
,
Fluids
,
Hydrostatics
,
Reynolds number
Influence of Sealing Air Mass Flow on the Velocity Distribution In and Inside the Rim Seal of the Upstream Cavity of a 1.5-Stage Turbine
GT 2003; 1033-1040https://doi.org/10.1115/GT2003-38459
Topics:
Cavities
,
Flow (Dynamics)
,
Sealing (Process)
,
Turbines
,
Blades
,
Rotors
,
Guide vanes
,
Laser Doppler anemometry
,
Resolution (Optics)
,
Stators
Application of Conjugate CFD to the Internal Cooling Air Flow System of Gas Turbines
GT 2003; 1051-1060https://doi.org/10.1115/GT2003-38471
Topics:
Air flow
,
Computational fluid dynamics
,
Cooling
,
Gas turbines
,
Temperature
,
Heat transfer
,
Cavities
,
Flow (Dynamics)
,
Jets
,
Temperature effects
Performance of a WC Coated Mechanical Seal Prototype With Integral Micro Heat Exchanger
GT 2003; 1081-1089https://doi.org/10.1115/GT2003-38856
Topics:
Engineering prototypes
,
Heat exchangers
,
Failure
,
Temperature
,
Coatings
,
Cooling
,
Design
,
Friction
,
Nickel
,
Testing