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Issues
November 2012
ISSN 0889-504X
EISSN 1528-8900
Foreword
A Brief Introduction to the Special Session Honoring Dr. Leroy H. Smith
J. Turbomach. November 2012, 134(6): 060501.
doi: https://doi.org/10.1115/1.4007211
Special Section: Honoring Dr. Leroy H. Smith
Highlights of Roy Smith’s Career at General Electric
J. Turbomach. November 2012, 134(6): 060901.
doi: https://doi.org/10.1115/1.4007209
Topics:
Compressors
,
Design
,
Engines
A Physical Interpretation of Stagnation Pressure and Enthalpy Changes in Unsteady Flow
J. Turbomach. November 2012, 134(6): 060902.
doi: https://doi.org/10.1115/1.4007208
Topics:
Fluids
,
Particulate matter
,
Pressure
,
Unsteady flow
,
Enthalpy
,
Wakes
,
Blades
,
Rotors
,
Turbomachinery
,
Flow (Dynamics)
Aeroelastic Stability Assessment of an Industrial Compressor Blade Including Mistuning Effects
J. Turbomach. November 2012, 134(6): 060903.
doi: https://doi.org/10.1115/1.4007210
Topics:
Blades
,
Damping
,
Stability
,
Flutter (Aerodynamics)
,
Compressors
,
Rotors
Research Papers
Turbine Aerodynamic Performance Measurement Under Nonadiabatic Conditions
J. Turbomach. November 2012, 134(6): 061001.
doi: https://doi.org/10.1115/1.4004857
Topics:
Blades
,
Enthalpy
,
Entropy
,
Flow (Dynamics)
,
Heat flux
,
Heat transfer
,
Temperature
,
Turbines
,
Engines
,
Computational fluid dynamics
Unsteady Effects on Transonic Turbine Blade-Tip Heat Transfer
J. Turbomach. November 2012, 134(6): 061002.
doi: https://doi.org/10.1115/1.4004845
Topics:
Blades
,
Heat flux
,
Pressure
,
Temperature
,
Heat transfer
,
Flow (Dynamics)
,
Rotors
,
Turbines
Experimental Measurements and Computational Predictions for an Internally Cooled Simulated Turbine Vane
J. Turbomach. November 2012, 134(6): 061003.
doi: https://doi.org/10.1115/1.4006280
Topics:
Airfoils
,
Coolants
,
Flow (Dynamics)
,
Heat transfer
,
Heat transfer coefficients
,
Temperature
,
Turbines
,
Reynolds number
,
Pressure
,
Cooling
Momentum and Thermal Boundary Layer Development on an Internally Cooled Turbine Vane
J. Turbomach. November 2012, 134(6): 061004.
doi: https://doi.org/10.1115/1.4006281
Topics:
Airfoils
,
Boundary layers
,
Momentum
,
Pressure
,
Suction
,
Thermal boundary layers
,
Turbulence
,
Turbines
,
Pressure gradient
,
Temperature profiles
Experimental Measurements and Computational Predictions for an Internally Cooled Simulated Turbine Vane With 90 Degree Rib Turbulators
J. Turbomach. November 2012, 134(6): 061005.
doi: https://doi.org/10.1115/1.4006282
Topics:
Airfoils
,
Circuits
,
Coolants
,
Cooling
,
Flow (Dynamics)
,
Heat transfer
,
Heat transfer coefficients
,
Pressure
,
Suction
,
Temperature
Heat Transfer and Pressure Drop Measurements in a Rib Roughened Leading Edge Cooling Channel
J. Turbomach. November 2012, 134(6): 061006.
doi: https://doi.org/10.1115/1.4004747
Topics:
Flow (Dynamics)
,
Heat transfer
,
Pressure
,
Reynolds number
,
Temperature
,
Pressure drop
,
Liquid crystals
,
Cooling
,
Suction
,
Transients (Dynamics)
Free-Stream Effects on the Cooling Performance of Cylindrical and Fan-Shaped Cooling Holes
J. Turbomach. November 2012, 134(6): 061007.
doi: https://doi.org/10.1115/1.4006287
Topics:
Coolants
,
Cooling
,
Diffusers
,
Film cooling
,
Mach number
,
Turbulence
,
Wakes
,
Flow (Dynamics)
,
Pressure
,
Heat transfer coefficients
Effect of Geometry Variations on the Cooling Performance of Fan-Shaped Cooling Holes
J. Turbomach. November 2012, 134(6): 061008.
doi: https://doi.org/10.1115/1.4006290
Topics:
Coolants
,
Cooling
,
Cross-flow
,
Diffusers
,
Film cooling
,
Flow (Dynamics)
,
Geometry
,
Mach number
,
Heat transfer coefficients
,
Discharge coefficient
Aerodynamic Performance of a Very High Lift Low Pressure Turbine Airfoil (T106C) at Low Reynolds and High Mach Number With Effect of Free Stream Turbulence Intensity
J. Turbomach. November 2012, 134(6): 061009.
doi: https://doi.org/10.1115/1.4006291
Topics:
Flow (Dynamics)
,
Pressure
,
Reynolds number
,
Separation (Technology)
,
Turbulence
,
Bubbles
,
Mach number
,
Airfoils
,
Boundary layers
A Model for Cylindrical Hole Film Cooling—Part I: A Correlation for Jet-Flow With Application to Film Cooling
J. Turbomach. November 2012, 134(6): 061010.
doi: https://doi.org/10.1115/1.4006306
Topics:
Computational fluid dynamics
,
Film cooling
,
Flow (Dynamics)
,
Jets
,
Coolants
,
Trajectories (Physics)
,
Geometry
,
Turbulence
A Model for Cylindrical Hole Film Cooling—Part II: Model Formulation, Implementation and Results
J. Turbomach. November 2012, 134(6): 061011.
doi: https://doi.org/10.1115/1.4006307
Topics:
Computational fluid dynamics
,
Film cooling
,
Flow (Dynamics)
,
Temperature
,
Cooling
Particle Image Velocimetry Analysis on the Effect of Stator Loading on Transonic Blade-Row Interactions
J. Turbomach. November 2012, 134(6): 061012.
doi: https://doi.org/10.1115/1.4006585
Heat Transfer and Friction Augmentation in High Aspect Ratio, Ribbed Channels With Dissimilar Inlet Conditions
J. Turbomach. November 2012, 134(6): 061013.
doi: https://doi.org/10.1115/1.4006283
Topics:
Cross-flow
,
Flow (Dynamics)
,
Friction
,
Heat transfer
,
Reynolds number
,
Pressure
Unsteady Acoustic Forcing on an Impeller Due to Coupled Blade Row Interactions
Simon K. Richards, Kishore Ramakrishnan, Chingwei M. Shieh, François Moyroud, Alain Picavet, Valeria Ballarini, Vittorio Michelassi
J. Turbomach. November 2012, 134(6): 061014.
doi: https://doi.org/10.1115/1.4006284
Topics:
Acoustics
,
Blades
,
Computational fluid dynamics
,
Impellers
,
Flow (Dynamics)
,
Pressure
,
Excitation
Measurements of Losses and Reynolds Stresses in the Secondary Flow Downstream of a Low-Speed Linear Turbine Cascade
J. Turbomach. November 2012, 134(6): 061015.
doi: https://doi.org/10.1115/1.4003839
Topics:
Blades
,
Cascades (Fluid dynamics)
,
Flow (Dynamics)
,
Kinetic energy
,
Pressure
,
Stress
,
Turbulence
,
Probes
,
Turbines
,
Deformation
Assessment and Optimization of the Aerodynamic and Acoustic Characteristics of a Counter Rotating Open Rotor
J. Turbomach. November 2012, 134(6): 061016.
doi: https://doi.org/10.1115/1.4006285
Topics:
Acoustics
,
Blades
,
Optimization
,
Rotors
,
Computational fluid dynamics
,
Pressure
,
Propellers
,
Noise (Sound)
Fan Root Aerodynamics for Large Bypass Gas Turbine Engines: Influence on the Engine Performance and 3D Design
J. Turbomach. November 2012, 134(6): 061017.
doi: https://doi.org/10.1115/1.4006286
Topics:
Design
,
Engines
,
Flow (Dynamics)
,
Leakage flows
,
Pressure
,
Stators
,
Leakage
,
Aerodynamics
,
Computational fluid dynamics
,
Topology
Analysis of Flutter-Induced Limit Cycle Oscillations in Gas-Turbine Structures With Friction, Gap, and Other Nonlinear Contact Interfaces
J. Turbomach. November 2012, 134(6): 061018.
doi: https://doi.org/10.1115/1.4006292
Topics:
Disks
,
Flutter (Aerodynamics)
,
Friction
,
Gas turbines
,
Limit cycles
,
Oscillations
,
Stiffness
,
Vibration
,
Damping
,
Aerodynamics
Effects of Orientation and Position of the Combustor-Turbine Interface on the Cooling of a Vane Endwall
J. Turbomach. November 2012, 134(6): 061019.
doi: https://doi.org/10.1115/1.4004817
Topics:
Combustion chambers
,
Coolants
,
Cooling
,
Flow (Dynamics)
,
Leakage
,
Leakage flows
,
Momentum
,
Turbines
,
Vortices
,
Vorticity
Analysis of Unsteady Flows Past Horizontal Axis Wind Turbine Airfoils Based on Harmonic Balance Compressible Navier-Stokes Equations With Low-Speed Preconditioning
J. Turbomach. November 2012, 134(6): 061020.
doi: https://doi.org/10.1115/1.4006293
Topics:
Blades
,
Flow (Dynamics)
,
Horizontal axis wind turbines
,
Wind
,
Airfoils
,
Unsteady flow
Active Flow Control Concepts on a Highly Loaded Subsonic Compressor Cascade: Résumé of Experimental and Numerical Results
Christoph Gmelin, Vincent Zander, Martin Hecklau, Frank Thiele, Wolfgang Nitsche, André Huppertz, Marius Swoboda
J. Turbomach. November 2012, 134(6): 061021.
doi: https://doi.org/10.1115/1.4006308
Topics:
Actuators
,
Blades
,
Cascades (Fluid dynamics)
,
Compressors
,
Flow (Dynamics)
,
Flow control
,
Jets
,
Pressure
,
Suction
Low Pressure Turbine Secondary Vortices: Reynolds Lapse
Matthias Kuerner, Georg A. Reichstein, Daniel Schrack, Martin G. Rose, Stephan Staudacher, Jochen Gier, Karl Engel
J. Turbomach. November 2012, 134(6): 061022.
doi: https://doi.org/10.1115/1.4006299
Topics:
Cavities
,
Reynolds number
,
Turbines
,
Vortices
,
Pressure
,
Computational fluid dynamics
,
Flow (Dynamics)
,
Computation
Effect of Aggressive Inlet Swirl on Heat Transfer and Aerodynamics in an Unshrouded Transonic HP Turbine
J. Turbomach. November 2012, 134(6): 061023.
doi: https://doi.org/10.1115/1.4004876
Topics:
Heat transfer
,
Rotors
,
Turbines
Direct Numerical Simulations of Wake-Perturbed Separated Boundary Layers
J. Turbomach. November 2012, 134(6): 061024.
doi: https://doi.org/10.1115/1.4004882
Topics:
Boundary layers
,
Bubbles
,
Flow (Dynamics)
,
Separation (Technology)
,
Wakes
,
Pressure
,
Pressure gradient
,
Stability
,
Computer simulation
,
Momentum
Numerical Investigation of Low Solidity Vaned Diffuser Performance in a High-Pressure Centrifugal Compressor—Part III: Tandem Vanes
J. Turbomach. November 2012, 134(6): 061025.
doi: https://doi.org/10.1115/1.4006300
Topics:
Compressors
,
Design
,
Diffusers
,
Flow (Dynamics)
,
High pressure (Physics)
,
Pressure
,
Impellers
,
Wedges
,
Chords (Trusses)
Influence of Unsteady Wake With Trailing Edge Coolant Ejection on Turbine Blade Film Cooling
J. Turbomach. November 2012, 134(6): 061026.
doi: https://doi.org/10.1115/1.4004883
Topics:
Blades
,
Coolants
,
Density
,
Film cooling
,
Wakes
,
Pressure
,
Suction
,
Wind tunnels
Turbine Hub and Shroud Sealing Flow Loss Mechanisms
J. Turbomach. November 2012, 134(6): 061027.
doi: https://doi.org/10.1115/1.4006294
Topics:
Entropy
,
Flow (Dynamics)
,
Turbines
,
Shear (Mechanics)
,
Vortices
Experimental and Computational Study of Heat/Mass Transfer and Flow Structure for Four Dimple Shapes in a Square Internal Passage
J. Turbomach. November 2012, 134(6): 061028.
doi: https://doi.org/10.1115/1.4006315
Topics:
Flow (Dynamics)
,
Heat
,
Heat transfer
,
Mass transfer
,
Shapes
,
Wakes
,
Uncertainty
,
Computation
Parker-Type Acoustic Resonances in the Return Guide Vane Cascade of a Centrifugal Compressor – Theoretical Modeling and Experimental Verification
J. Turbomach. November 2012, 134(6): 061029.
doi: https://doi.org/10.1115/1.4006316
Topics:
Acoustics
,
Cascades (Fluid dynamics)
,
Compressors
,
Guide vanes
,
Pressure
,
Resonance
,
Chords (Trusses)
,
Rotors
,
Finite element analysis
,
Flow (Dynamics)
Unsteady Aerodynamics of a Low Aspect Ratio Turbine Stage: Modeling Issues and Flow Physics
J. Turbomach. November 2012, 134(6): 061030.
doi: https://doi.org/10.1115/1.4004021
Aeroelasticity at Reversed Flow Conditions — Part II: Application to Compressor Surge
J. Turbomach. November 2012, 134(6): 061031.
doi: https://doi.org/10.1115/1.4006309
Topics:
Blades
,
Compressors
,
Flow (Dynamics)
,
Pressure
,
Rotors
,
Surges
,
Vibration
,
Stress
,
Aeroelasticity
An Investigation of Treating Adiabatic Wall Temperature as the Driving Temperature in Film Cooling Studies
J. Turbomach. November 2012, 134(6): 061032.
doi: https://doi.org/10.1115/1.4006311
Topics:
Cooling
,
Film cooling
,
Heat flux
,
Temperature
,
Wall temperature
,
Flow (Dynamics)
,
Heat
,
Simulation
,
Airfoils
,
Heat transfer
Assessment of Various Turbulence Models in a High Pressure Ratio Centrifugal Compressor With an Object Oriented CFD Code
J. Turbomach. November 2012, 134(6): 061033.
doi: https://doi.org/10.1115/1.4006310
Impeller-Vaned Diffuser Interaction in a Centrifugal Compressor at Off Design Conditions
J. Turbomach. November 2012, 134(6): 061034.
doi: https://doi.org/10.1115/1.4006295
Topics:
Diffusers
,
Flow (Dynamics)
,
Impellers
,
Pressure
,
Blades
Comprehensive Application of a First Principles Based Methodology for Design of Axial Compressor Configurations
J. Turbomach. November 2012, 134(6): 061035.
doi: https://doi.org/10.1115/1.4006301
Topics:
Blades
,
Compressors
,
Design
,
Pressure
,
Rotors
,
Stators
,
Flow (Dynamics)
Effects of Endwall Motion on the Aero-Thermal Performance of a Winglet Tip in a HP Turbine
J. Turbomach. November 2012, 134(6): 061036.
doi: https://doi.org/10.1115/1.4006302
Topics:
Blades
,
Film cooling
,
Flow (Dynamics)
,
Leakage
,
Pressure
,
Suction
,
Cooling
,
Computational fluid dynamics
,
Cascades (Fluid dynamics)
,
Leakage flows
Calculation of Steady and Periodic Unsteady Blade Surface Heat Transfer in Separated Transitional Flow
J. Turbomach. November 2012, 134(6): 061037.
doi: https://doi.org/10.1115/1.4006312
Topics:
Blades
,
Cascades (Fluid dynamics)
,
Flow (Dynamics)
,
Heat transfer
,
Separation (Technology)
,
Suction
,
Turbulence
,
Bubbles
,
Mach number
,
Kinetic energy
A Low Pressure Turbine With Profiled Endwalls and Purge Flow Operating With a Pressure Side Bubble
J. Turbomach. November 2012, 134(6): 061038.
doi: https://doi.org/10.1115/1.4006303
Full-Coverage Film Cooling: Film Effectiveness and Heat Transfer Coefficients for Dense and Sparse Hole Arrays at Different Blowing Ratios
J. Turbomach. November 2012, 134(6): 061039.
doi: https://doi.org/10.1115/1.4006304
Topics:
Film cooling
,
Flow (Dynamics)
,
Heat transfer coefficients
,
Temperature
,
Turbulence
,
Coolants
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