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Proceedings Papers
Volume 5B: Heat Transfer
Internal Air Systems and Seals (With Turbomachinery)
The Effect of Inlet Swirl on Brush Seal Bristle Deflections and Stability
GT 2019; V05BT15A001https://doi.org/10.1115/GT2019-90137
Topics:
Deflection
,
Stability
Heat Transfer Prediction From Large Eddy Simulation of a Rotating Cavity With Radial Inflow
GT 2019; V05BT15A003https://doi.org/10.1115/GT2019-90450
Topics:
Cavities
,
Heat transfer
,
Inflow
,
Large eddy simulation
,
Flow (Dynamics)
,
Buoyancy
,
Disks
,
Eddies (Fluid dynamics)
,
Reynolds number
,
Viscosity
Effect of Annulus Flow Conditions on Turbine Rim Seal Ingestion
GT 2019; V05BT15A004https://doi.org/10.1115/GT2019-90489
Topics:
Annulus
,
Flow (Dynamics)
,
Turbines
,
Rotors
,
Sealing (Process)
,
Axial flow
,
Blades
,
Cavities
,
Clearances (Engineering)
,
Modeling
Numerical Analysis of Lift Generation in a Radial Segmented Gas Seal
GT 2019; V05BT15A005https://doi.org/10.1115/GT2019-90492
Topics:
Bearings
,
Carbon
,
Lift (Fluid dynamics)
,
Numerical analysis
,
Power presses
,
Rotors
,
Springs
,
Thrust bearings
Test Rig Commissioning for Advanced Rotor-Stator Seals
GT 2019; V05BT15A006https://doi.org/10.1115/GT2019-90965
Topics:
Rotors
,
Stators
,
Design
,
Design engineering
,
Pressure
,
Pressure vessels
,
Sealing (Process)
,
Temperature
,
Test facilities
,
Turbomachinery
Flow Instabilities in Gas Turbine Chute Seals
Joshua T. M. Horwood, Fabian P. Hualca, Mike Wilson, James A. Scobie, Carl M. Sangan, Gary D. Lock, Johan Dahlqvist, Jens Fridh
GT 2019; V05BT15A007https://doi.org/10.1115/GT2019-90982
Topics:
Annulus
,
Blades
,
Cavities
,
Computation
,
Engineering simulation
,
Engines
,
Flow (Dynamics)
,
Flow instability
,
Gas turbines
,
Modeling
The Effect of Vanes and Blades on Ingress in Gas Turbines
GT 2019; V05BT15A008https://doi.org/10.1115/GT2019-90987
Topics:
Blades
,
Gas turbines
,
Disks
,
Rotors
,
Flow (Dynamics)
,
Pressure
,
Sealing (Process)
,
Annulus
,
Pressure measurement
,
Wheels
On the Development of a Pressure Actuated Leaf Seal for Turbomachinery Applications
Ernesto Pedraza-Valle, Georgios Papageorgiou, Aaron Bowsher, Peter F. Crudgington, Carl M. Sangan, Patrick S. Keogh, James A. Scobie
GT 2019; V05BT15A009https://doi.org/10.1115/GT2019-90991
Topics:
Pressure
,
Turbomachinery
,
Leakage
,
Clearances (Engineering)
,
Pressure drop
,
Rotors
,
Design
,
Displacement
,
Eddies (Fluid dynamics)
,
Eddy currents (Electricity)
High Speed Single Cavity Rig With Axial Throughflow of Cooling Air: Rig Structure and Periphery
Eric Diemel, Stefan Odenbach, Wieland Uffrecht, Jose Rey Villazon, Antonio Guijarro Valencia, Mike Reinecke
GT 2019; V05BT15A010https://doi.org/10.1115/GT2019-91265
Topics:
Cavities
,
Cooling
,
Disks
,
Compressors
,
Fluids
,
Rotors
,
Engines
,
Flow (Dynamics)
,
Gas turbines
,
Heat transfer
Development of a CFD Based Methodology for Predicting Oil Auto-Ignition in Gas Turbine Bearing Chambers
GT 2019; V05BT15A013https://doi.org/10.1115/GT2019-92050
Topics:
Bearings
,
Computational fluid dynamics
,
Gas turbines
,
Ignition
,
Drops
,
Temperature
,
Particulate matter
,
Design
,
Modeling
,
Air flow
Combustors (With Combustion, Fuels, and Emissions)
Modeling Effusion Cooling and Conjugate Heat Transfer Using Local Source Method
GT 2019; V05BT17A002https://doi.org/10.1115/GT2019-91423
Topics:
Cooling
,
Heat transfer
,
Modeling
,
Simulation
,
Engineering simulation
,
Flow (Dynamics)
,
Design
,
Fluids
,
Gases
,
Heat
Special Sessions
Aero-Thermal Investigation of Convective and Radiative Heat Transfer on Active Clearance Control Manifolds
GT 2019; V05BT18A001https://doi.org/10.1115/GT2019-90007
Topics:
Clearances (Engineering)
,
Manifolds
,
Radiative heat transfer
,
Convection
,
Heat transfer
,
Blades
,
Computation
,
Computational fluid dynamics
,
Design
,
Engines
Controlling Leakage Flows Over a Rotor Blade Tip Using Air-Curtain Injection: Part I — Aero-Thermal Performance of Rotor Tips
GT 2019; V05BT18A002https://doi.org/10.1115/GT2019-90232
Topics:
Blades
,
Leakage flows
,
Rotors
,
Cooling
,
Film cooling
,
Flow (Dynamics)
,
Sealing (Process)
,
Turbines
,
Chords (Trusses)
,
Compressors
Controlling Leakage Flows Over a Rotor Blade Tip Using Air-Curtain Injection: Part II — Rotor Casing Film Cooling
GT 2019; V05BT18A003https://doi.org/10.1115/GT2019-90234
Topics:
Blades
,
Film cooling
,
Leakage flows
,
Rotors
,
Cooling
,
Flow (Dynamics)
,
Leakage
,
Chords (Trusses)
,
Gas turbines
,
Stress
Influence of Excitation Frequency, Phase-Shift and Duty Cycle on Cooling Ratio in a Dynamically Forced Impingement Jet Array
GT 2019; V05BT18A004https://doi.org/10.1115/GT2019-90695
Topics:
Cooling
,
Cycles
,
Excitation
,
Phase shift
,
Nozzles
,
Liquid crystals
,
Reynolds number
,
Thermography
,
Wall temperature
Optimization of Inserts to Minimize Cross-Flow Impact in Impingement Heat Transfer
GT 2019; V05BT18A005https://doi.org/10.1115/GT2019-91068
Topics:
Cross-flow
,
Heat transfer
,
Optimization
,
Jets
,
Flow (Dynamics)
,
Guide vanes
,
Temperature
,
Coolants
,
Cooling
,
Cycles
The Effect of Local Casing Features and External Dummy Flanges on Casing Contraction for Thermal Control of Blade Tip Clearance
GT 2019; V05BT18A006https://doi.org/10.1115/GT2019-91243
Topics:
Blades
,
Clearances (Engineering)
,
Flanges
,
Cooling
,
Engines
,
Coolants
,
Design
,
Displacement
,
Finite element analysis
,
Geometry
Experimental Film Cooling
Inlet Flow Incidence Effects on the Thermal Performance of Showerhead Cooling in a Nozzle Vane Cascade
GT 2019; V05BT19A001https://doi.org/10.1115/GT2019-90018
Topics:
Cascades (Fluid dynamics)
,
Cooling
,
Flow (Dynamics)
,
Nozzles
,
Cooling systems
,
Film cooling
,
Mach number
,
Stress
,
Thermal characterization
,
Turbulence
Turbine Vane Endwall Film Cooling Effectiveness of Different Purge Slot Configurations in a Linear Cascade
GT 2019; V05BT19A004https://doi.org/10.1115/GT2019-90236
Topics:
Cascades (Fluid dynamics)
,
Film cooling
,
Turbines
,
Flow (Dynamics)
,
Density
,
Engines
,
Nozzle guide vanes
,
Carbon dioxide
,
Coolants
,
Design
Compound Angle Effects on Shaped Hole Film Cooling
GT 2019; V05BT19A006https://doi.org/10.1115/GT2019-90399
Topics:
Film cooling
,
Diffusers
,
Flow (Dynamics)
,
Blades
,
Bubbles
,
Fluids
,
Magnetic resonance
,
Separation (Technology)
,
Trajectories (Physics)
,
Turbulence
The Influence of Turbulence and Reynolds Number on Slot Film Cooling Over the Downstream Pressure Surface
GT 2019; V05BT19A007https://doi.org/10.1115/GT2019-90508
Topics:
Film cooling
,
Pressure
,
Reynolds number
,
Turbulence
,
Cooling
,
Flow (Dynamics)
,
Jets
,
Chords (Trusses)
,
Coolants
,
Density
Study of Film Cooling Effectiveness on a Double-Walled Effusion-Cooled Turbine Blade in a High-Speed Flow Using Pressure Sensitive Paint
GT 2019; V05BT19A008https://doi.org/10.1115/GT2019-90545
Topics:
Film cooling
,
Flow (Dynamics)
,
Paints
,
Pressure
,
Turbine blades
,
Blades
,
Coolants
,
Engines
,
Cascades (Fluid dynamics)
,
Cooling
Superposition Characteristics of Full Coverage Film Cooling With Various Blowing Ratio and Row Number
GT 2019; V05BT19A009https://doi.org/10.1115/GT2019-90584
Topics:
Film cooling
,
Cooling
,
Boundary layers
,
Jets
,
Blades
,
Flow (Dynamics)
,
Gas turbines
,
Reynolds-averaged Navier–Stokes equations
,
Temperature
,
Turbines
Experimental Study on the Effects of Slot Jet on Film Cooling Performance in the Cascade Endwall With Purge Flow
GT 2019; V05BT19A010https://doi.org/10.1115/GT2019-90667
Topics:
Cascades (Fluid dynamics)
,
Film cooling
,
Flow (Dynamics)
,
Blades
,
Cooling
,
Pressure
,
Stators
,
Suction
,
Temperature measurement
,
Turbines
Experimental and Numerical Study on the Effect of Fan-Shaped Hole Configuration on Film Cooling Effectiveness
GT 2019; V05BT19A013https://doi.org/10.1115/GT2019-90817
Topics:
Film cooling
,
Shapes
,
Design
,
Reynolds-averaged Navier–Stokes equations
,
Blades
,
Coating processes
,
Coatings
,
Combustion gases
,
Computer software
,
Cooling
Transonic Turbine Vane Endwall Film Cooling Using PSP Measurement Technique
Chao-Cheng Shiau, Izzet Sahin, Izhar Ullah, Je-Chin Han, Alexander V. Mirzamoghadam, Ardeshir Riahi, Curtis Stimpson
GT 2019; V05BT19A014https://doi.org/10.1115/GT2019-91030
Topics:
Film cooling
,
Turbines
,
Flow (Dynamics)
,
Pressure
,
Shock waves
,
Carbon dioxide
,
Cascades (Fluid dynamics)
,
Coolants
,
Cooling
,
Cross-flow
Surface Curvature Effects on Film Cooling Performance for Shaped Holes on a Model Turbine Blade
GT 2019; V05BT19A017https://doi.org/10.1115/GT2019-91476
Topics:
Film cooling
,
Turbine blades
,
Flat plates
,
Turbulence
,
Cascades (Fluid dynamics)
,
Flow (Dynamics)
,
Gas turbines
,
Pressure gradient
,
Suction
,
Wind tunnels
Effects on Heat Transfer Coefficient and Adiabatic Effectiveness in Combined Backside and Film Cooling With Short-Hole Geometry
GT 2019; V05BT19A018https://doi.org/10.1115/GT2019-91522
Topics:
Film cooling
,
Geometry
,
Heat transfer coefficients
,
Cooling
,
Flow (Dynamics)
,
Coolants
,
Heat transfer
,
Reynolds number
,
Computer software
,
Density
Time-Accurate Evaluation of Film Cooling Jet Characteristics for Plenum and Crossflow Coolant Supplies
GT 2019; V05BT19A022https://doi.org/10.1115/GT2019-91765
Topics:
Coolants
,
Film cooling
,
Cooling
,
Turbulence
,
Momentum
,
Jets
,
Separation (Technology)
,
Flat plates
,
Flow (Dynamics)
,
Fluctuations (Physics)
Adiabatic Film Cooling Effectiveness Measurement of High Performance Combustion Liner Slot Jets
GT 2019; V05BT19A023https://doi.org/10.1115/GT2019-91783
Topics:
Combustion
,
Film cooling
,
Jets
,
Pressure
,
Absorption
,
Flow (Dynamics)
,
Fracture (Materials)
,
Fracture (Process)
,
Geometry
,
Orifices
3D Heat Transfer Assessment of Full-Scale Inlet Vanes With Surface-Optimized Film Cooling: Part 2 — Conjugate CFD Simulations
GT 2019; V05BT19A025https://doi.org/10.1115/GT2019-91864
Topics:
Computational fluid dynamics
,
Engineering simulation
,
Film cooling
,
Heat transfer
,
Simulation
,
Cooling
,
Design
,
Engines
,
Pressure
,
Boundary-value problems
Heat Transfer Coefficient Augmentation for a Shaped Film Cooling Hole at a Range of Compound Angles
GT 2019; V05BT19A026https://doi.org/10.1115/GT2019-91870
Topics:
Film cooling
,
Heat transfer coefficients
,
Coolants
,
Heat flux
,
Temperature
,
Convection
,
Gas turbines
,
Heat transfer
,
Metals
,
Thermography
3D Heat Transfer Assessment of Full-Scale Inlet Vanes With Surface-Optimized Film Cooling: Part 1 — Experimental Results
GT 2019; V05BT19A027https://doi.org/10.1115/GT2019-91919
Topics:
Film cooling
,
Heat transfer
,
Heat flux
,
Cooling
,
Design
,
Hardware
,
Pressure
,
Turbines
,
Air Force
,
Airfoils
Influence of Hole Inlet Geometry on the Film Cooling Effectiveness From Shaped Film Cooling Holes
Travis B. Watson, Kyle R. Vinton, Lesley M. Wright, Daniel C. Crites, Mark C. Morris, Ardeshir Riahi
GT 2019; V05BT19A028https://doi.org/10.1115/GT2019-92057
Topics:
Film cooling
,
Geometry
,
Coolants
,
Turbulence
,
Density
,
Flat plates
,
Paints
,
Pressure
,
Shapes
Additive Manufacturing
Effect of Additive Manufacturing Process Parameters on Turbine Cooling
GT 2019; V05BT21A002https://doi.org/10.1115/GT2019-90862
Topics:
Additive manufacturing
,
Cooling
,
Turbines
,
Heat transfer
,
Pressure
,
Microscale devices
,
Design
,
Engines
,
Finishes
,
Heat
Flow in a Scaled Turbine Coolant Channel With Roughness due to Additive Manufacturing
GT 2019; V05BT21A004https://doi.org/10.1115/GT2019-90931
Topics:
Additive manufacturing
,
Coolants
,
Flow (Dynamics)
,
Surface roughness
,
Turbines
,
Computational fluid dynamics
,
Friction
,
Internal flow
,
Simulation
,
Engines
Effect of Surface Roughness Induced by Laser Powder Bed Fusion Additive Manufacturing in a Mini-Channel Heat Exchanger
GT 2019; V05BT21A005https://doi.org/10.1115/GT2019-90978
Topics:
Additive manufacturing
,
Heat exchangers
,
Lasers
,
Surface roughness
,
Heat transfer
,
Gas turbines
,
Microturbines
,
Turbines
,
Weight (Mass)
,
Aeronautics
Topology Optimization of Serpentine Channels for Minimization of Pressure Loss and Maximization of Heat Transfer Performance As Applied for Additive Manufacturing
GT 2019; V05BT21A006https://doi.org/10.1115/GT2019-91057
Topics:
Additive manufacturing
,
Heat transfer
,
Optimization
,
Pressure
,
Topology
,
Cooling
,
Blades
,
Gas turbines
,
Flow (Dynamics)
,
Geometry
Thermal-Fluid and Mechanical Investigations of Additively Manufactured Geometries for Transpiration Cooling
GT 2019; V05BT21A007https://doi.org/10.1115/GT2019-91583
Topics:
Additive manufacturing
,
Thermofluids
,
Transpiration
,
Cooling
,
Tensile strength
,
Design
,
Strength (Materials)
,
Coolants
,
Gas turbines
,
Heat transfer
Experimental and Numerical Analysis of Additively Manufactured Inconel 718 Coupons With Lattice Structure
GT 2019; V05BT21A008https://doi.org/10.1115/GT2019-91949
Topics:
Additive manufacturing
,
Blades
,
Boundary-value problems
,
Coolants
,
Cooling
,
Engineering simulation
,
Flow (Dynamics)
,
Gas turbines
,
Heat transfer
,
Lasers
General Computational Heat Transfer
Unsteady Passing Wake Effects on Turbine Blade Tip Aerodynamic and Aerothermal Performance With Film Cooling
GT 2019; V05BT22A002https://doi.org/10.1115/GT2019-90207
Topics:
Film cooling
,
Turbine blades
,
Wakes
,
Blades
,
Rotors
,
Guide vanes
,
Heat transfer coefficients
,
Leakage flows
,
Flow (Dynamics)
,
High pressure (Physics)
Optimization Design Analysis of Primary Surface Recuperator for Rotorcraft Powerplant Applications
GT 2019; V05BT22A004https://doi.org/10.1115/GT2019-90842
Topics:
Design
,
Optimization
,
Power stations
,
Aircraft engines
,
Fuel consumption
,
Gas turbines
,
Genetic algorithms
,
Pressure drop
,
Shapes
,
Stress
Aerothermal Optimization of Turbine Squealer Tip Geometries With Arbitrary Cooling Injection
GT 2019; V05BT22A008https://doi.org/10.1115/GT2019-91208
Topics:
Cooling
,
Optimization
,
Turbines
,
Design
,
Geometry
,
Aerodynamic flow
,
Computational fluid dynamics
,
Engineering simulation
,
Engines
,
Evolutionary algorithms
Analysis of Operational Effects on Cooled H-Class Gas Turbines
GT 2019; V05BT22A010https://doi.org/10.1115/GT2019-91614
Topics:
Gas turbines
,
Engines
,
Compressors
,
Maintenance
,
Thermal efficiency
,
Turbines
,
Heat
,
Industrial gases
,
Turbine blades
,
Combustion