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Volume 133, Issue 4
October 2011
Issue Cover
ISSN 0889-504X
EISSN 1528-8900
In this Issue

Research Papers

Overtip Shock Wave Structure and Its Impact on Turbine Blade Tip Heat Transfer
Q. Zhang, D. O. O’Dowd, L. He, A. P. S. Wheeler, P. M. Ligrani, B. C. Y. Cheong
J. Turbomach. October 2011, 133(4): 041001. doi: https://doi.org/10.1115/1.4002949
View articletitled, Overtip Shock Wave Structure and Its Impact on Turbine Blade Tip Heat Transfer
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Topics: Blades , Flow (Dynamics) , Heat transfer , Mach number , Pressure , Shock waves , Shock (Mechanics) , Turbine blades , Heat transfer coefficients , Heat flux
The Effect of the Combustor-Turbine Slot and Midpassage Gap on Vane Endwall Heat Transfer
Stephen P. Lynch, Karen A. Thole
J. Turbomach. October 2011, 133(4): 041002. doi: https://doi.org/10.1115/1.4002950
View articletitled, The Effect of the Combustor-Turbine Slot and Midpassage Gap on Vane Endwall Heat Transfer
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Topics: Flow (Dynamics) , Heat transfer , Leakage , Turbines , Pressure , Leakage flows , Combustion chambers , Coolants
Computational Predictions of Heat Transfer and Film-Cooling for a Turbine Blade With Nonaxisymmetric Endwall Contouring
Stephen P. Lynch, Karen A. Thole, Atul Kohli, Christopher Lehane
J. Turbomach. October 2011, 133(4): 041003. doi: https://doi.org/10.1115/1.4002951
View articletitled, Computational Predictions of Heat Transfer and Film-Cooling for a Turbine Blade With Nonaxisymmetric Endwall Contouring
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Topics: Film cooling , Heat transfer , Pressure , Turbulence , Blades , Turbine blades , Flow (Dynamics) , Simulation , Cascades (Fluid dynamics)
Impact of Nonuniform Leading Edge Coatings on the Aerodynamic Performance of Compressor Airfoils
Michael E. Elmstrom, Knox T. Millsaps, Garth V. Hobson, Jeffrey S. Patterson
J. Turbomach. October 2011, 133(4): 041004. doi: https://doi.org/10.1115/1.3213550
View articletitled, Impact of Nonuniform Leading Edge Coatings on the Aerodynamic Performance of Compressor Airfoils
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Topics: Airfoils , Bubbles , Coatings , Compressors , Flow (Dynamics) , Mach number , Pressure , Separation (Technology) , Turbulence , Coating processes
Predictions of Enhanced Heat Transfer of an Internal Blade Tip-Wall With Hemispherical Dimples or Protrusions
Gongnan Xie, Bengt Sundén, Qiuwang Wang
J. Turbomach. October 2011, 133(4): 041005. doi: https://doi.org/10.1115/1.4002963
View articletitled, Predictions of Enhanced Heat Transfer of an Internal Blade Tip-Wall With Hemispherical Dimples or Protrusions
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Topics: Blades , Heat transfer , Turbulence , Cooling , Pressure drop , Reynolds number , Temperature
Effects of an Axisymmetric Contoured Endwall on a Nozzle Guide Vane: Adiabatic Effectiveness Measurements
A. A. Thrift, K. A. Thole, S. Hada
J. Turbomach. October 2011, 133(4): 041007. doi: https://doi.org/10.1115/1.4002965
View articletitled, Effects of an Axisymmetric Contoured Endwall on a Nozzle Guide Vane: Adiabatic Effectiveness Measurements
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Topics: Coolants , Film cooling , Flow (Dynamics) , Leakage flows , Pressure , Leakage , Nozzle guide vanes , Cooling
Effects of an Axisymmetric Contoured Endwall on a Nozzle Guide Vane: Convective Heat Transfer Measurements
A. A. Thrift, K. A. Thole, S. Hada
J. Turbomach. October 2011, 133(4): 041008. doi: https://doi.org/10.1115/1.4002966
View articletitled, Effects of an Axisymmetric Contoured Endwall on a Nozzle Guide Vane: Convective Heat Transfer Measurements
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Topics: Flow (Dynamics) , Heat transfer , Leakage flows , Leakage , Nozzle guide vanes , Convection
Experimental and Numerical Cross-Over Jet Impingement in an Airfoil Trailing-Edge Cooling Channel
M. E. Taslim, A. Nongsaeng
J. Turbomach. October 2011, 133(4): 041009. doi: https://doi.org/10.1115/1.4002984
View articletitled, Experimental and Numerical Cross-Over Jet Impingement in an Airfoil Trailing-Edge Cooling Channel
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Topics: Airfoils , Computational fluid dynamics , Cooling , Flow (Dynamics) , Heat transfer , Heat transfer coefficients , Jets , Reynolds number , Turbulence , Pressure
Ad-Hoc Boundary Conditions for CFD Analyses of Turbomachinery Problems With Strong Flow Gradients at Farfield Boundaries
M. Sergio Campobasso, Mohammad H. Baba-Ahmadi
J. Turbomach. October 2011, 133(4): 041010. doi: https://doi.org/10.1115/1.4002985
View articletitled, Ad-Hoc Boundary Conditions for CFD Analyses of Turbomachinery Problems With Strong Flow Gradients at Farfield Boundaries
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Topics: Boundary-value problems , Computational fluid dynamics , Flow (Dynamics) , Ducts , Turbomachinery , Annulus , Errors , Outflow
Effect of Density Ratio on Flat Plate Film Cooling With Shaped Holes Using PSP
Lesley M. Wright, Stephen T. McClain, Michael D. Clemenson
J. Turbomach. October 2011, 133(4): 041011. doi: https://doi.org/10.1115/1.4002988
View articletitled, Effect of Density Ratio on Flat Plate Film Cooling With Shaped Holes Using PSP
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Topics: Film cooling , Density , Turbulence , Coolants , Flat plates
Effect of Turning Vane Configurations on Heat Transfer and Pressure Drop in a Ribbed Internal Cooling System
Wei Chen, Jing Ren, Hongde Jiang
J. Turbomach. October 2011, 133(4): 041012. doi: https://doi.org/10.1115/1.4002989
View articletitled, Effect of Turning Vane Configurations on Heat Transfer and Pressure Drop in a Ribbed Internal Cooling System
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Topics: Ducts , Heat transfer , Pressure drop , Turning vanes , Turbulence , Flow (Dynamics)
Effects of Fan Speed on Rotating Stall Inception and Recovery
Minsuk Choi, Mehdi Vahdati, Mehmet Imregun
J. Turbomach. October 2011, 133(4): 041013. doi: https://doi.org/10.1115/1.4003243
View articletitled, Effects of Fan Speed on Rotating Stall Inception and Recovery
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Topics: Blades , Flow (Dynamics) , Pressure , Stall inception , Nozzles , Annulus , Compressors
Microchannels With Manufacturing Roughness Levels
S. A. Weaver, M. D. Barringer, K. A. Thole
J. Turbomach. October 2011, 133(4): 041014. doi: https://doi.org/10.1115/1.4002991
View articletitled, Microchannels With Manufacturing Roughness Levels
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Topics: Cooling , Flow (Dynamics) , Friction , Heat transfer , Manufacturing , Microchannels , Surface roughness , Temperature , Copper , Pressure drop
Modeling of Surge Characteristics in Turbo Heat Pumps
Hye Rim Kim, Seung Jin Song
J. Turbomach. October 2011, 133(4): 041015. doi: https://doi.org/10.1115/1.4002993
View articletitled, Modeling of Surge Characteristics in Turbo Heat Pumps
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Topics: Compressors , Condensers (steam plant) , Flow (Dynamics) , Heat pumps , Pressure , Refrigerants , Surges , Turbochargers , Valves , Gas turbines
Separation Control of Axial Compressor Cascade by Fluidic-Based Excitations
Xinqian Zheng, Yangjun Zhang, Weidong Xing, Junyue Zhang
J. Turbomach. October 2011, 133(4): 041016. doi: https://doi.org/10.1115/1.4002407
View articletitled, Separation Control of Axial Compressor Cascade by Fluidic-Based Excitations
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Topics: Cascades (Fluid dynamics) , Compressors , Excitation , Flow (Dynamics) , Separation (Technology) , Suction , Actuators , Pressure , Flow separation
Unsteady Forces of Rotor Blades in Full and Partial Admission Turbines
Narmin Baagherzadeh Hushmandi, Jens E. Fridh, Torsten H. Fransson
J. Turbomach. October 2011, 133(4): 041017. doi: https://doi.org/10.1115/1.4002408
View articletitled, Unsteady Forces of Rotor Blades in Full and Partial Admission Turbines
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Topics: Blades , Flow (Dynamics) , Pressure , Rotors , Stators , Turbines , Leakage flows , Cavities
Analysis and Validation of a Unified Slip Factor Model for Impellers at Design and Off-Design Conditions
Xuwen Qiu, David Japikse, Jinhui Zhao, Mark R. Anderson
J. Turbomach. October 2011, 133(4): 041018. doi: https://doi.org/10.1115/1.4003022
View articletitled, Analysis and Validation of a Unified Slip Factor Model for Impellers at Design and Off-Design Conditions
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Topics: Blades , Design , Flow (Dynamics) , Impellers , Compressors , Pumps , Rotors
Tip Clearance Effect on the Flow Pattern of a Radial Impulse Turbine for Wave Energy Conversion
Bruno Pereiras, Francisco Castro, Abdelatif el Marjani, Miguel A. Rodríguez
J. Turbomach. October 2011, 133(4): 041019. doi: https://doi.org/10.1115/1.4002409
View articletitled, Tip Clearance Effect on the Flow Pattern of a Radial Impulse Turbine for Wave Energy Conversion
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Topics: Blades , Clearances (Engineering) , Flow (Dynamics) , Rotors , Turbines , Impulse (Physics) , Inflow , Pressure
An Investigation of Turbine Wheelspace Cooling Flow Interactions With a Transonic Hot Gas Path—Part II: CFD Simulations
G. M. Laskowski, R. S. Bunker, J. C. Bailey, G. Ledezma, S. Kapetanovic, G. M. Itzel, M. A. Sullivan, T. R. Farrell
J. Turbomach. October 2011, 133(4): 041020. doi: https://doi.org/10.1115/1.4002410
View articletitled, An Investigation of Turbine Wheelspace Cooling Flow Interactions With a Transonic Hot Gas Path—Part II: CFD Simulations
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Topics: Cavities , Computational fluid dynamics , Cooling , Cylinders , Flow (Dynamics) , Polishing equipment , Pressure , Simulation , Turbines , Rotors
Separation Control on a Very High Lift Low Pressure Turbine Airfoil Using Pulsed Vortex Generator Jets
Ralph J. Volino, Olga Kartuzova, Mounir B. Ibrahim
J. Turbomach. October 2011, 133(4): 041021. doi: https://doi.org/10.1115/1.4003024
View articletitled, Separation Control on a Very High Lift Low Pressure Turbine Airfoil Using Pulsed Vortex Generator Jets
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Topics: Airfoils , Boundary layers , Bubbles , Cycles , Flow (Dynamics) , Flow control , Jets , Pressure , Separation (Technology) , Vortices
A New Intermittent Aspirated Probe for the Measurement of Stagnation Quantities in High Temperature Gases
Michela Massini, Robert J. Miller, Howard P. Hodson
J. Turbomach. October 2011, 133(4): 041022. doi: https://doi.org/10.1115/1.4002414
View articletitled, A New Intermittent Aspirated Probe for the Measurement of Stagnation Quantities in High Temperature Gases
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Topics: Calibration , Probes , Temperature , Engines , Nozzles , Pressure , Thermocouples , Errors , Flow (Dynamics) , Valves
Effect of Freestream Turbulence Intensity on Film Cooling Jet Structure and Surface Effectiveness Using PIV and PSP
Lesley M. Wright, Stephen T. McClain, Michael D. Clemenson
J. Turbomach. October 2011, 133(4): 041023. doi: https://doi.org/10.1115/1.4003051
View articletitled, Effect of Freestream Turbulence Intensity on Film Cooling Jet Structure and Surface Effectiveness Using PIV and PSP
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Topics: Cooling , Film cooling , Flow (Dynamics) , Turbulence , Coolants , Jets
Effect of Upstream Step on Flat Plate Film-Cooling Effectiveness Using PSP
Akhilesh P. Rallabandi, Joshua Grizzle, Je-Chin Han
J. Turbomach. October 2011, 133(4): 041024. doi: https://doi.org/10.1115/1.4002422
View articletitled, Effect of Upstream Step on Flat Plate Film-Cooling Effectiveness Using PSP
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Topics: Film cooling , Plates (structures)
Turbine Blade Tip Heat Transfer in Low Speed and High Speed Flows
Andrew P. S. Wheeler, Nicholas R. Atkins, Li He
J. Turbomach. October 2011, 133(4): 041025. doi: https://doi.org/10.1115/1.4002424
View articletitled, Turbine Blade Tip Heat Transfer in Low Speed and High Speed Flows
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Topics: Blades , Flow (Dynamics) , Heat transfer , Mach number , Computational fluid dynamics , Heat flux , Bubbles , Turbulence
Aerothermal Performance of a Winglet at Engine Representative Mach and Reynolds Numbers
D. O. O’Dowd, Q. Zhang, L. He, M. L. G. Oldfield, P. M. Ligrani, B. C. Y. Cheong, I. Tibbott
J. Turbomach. October 2011, 133(4): 041026. doi: https://doi.org/10.1115/1.4003055
View articletitled, Aerothermal Performance of a Winglet at Engine Representative Mach and Reynolds Numbers
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Topics: Blades , Computational fluid dynamics , Flow (Dynamics) , Heat transfer , Pressure , Mach number , Suction , Engines , Cascades (Fluid dynamics)
Transonic Turbine Blade Tip Aerothermal Performance With Different Tip Gaps—Part I: Tip Heat Transfer
Q. Zhang, D. O. O’Dowd, L. He, M. L. G. Oldfield, P. M. Ligrani
J. Turbomach. October 2011, 133(4): 041027. doi: https://doi.org/10.1115/1.4003063
View articletitled, Transonic Turbine Blade Tip Aerothermal Performance With Different Tip Gaps—Part I: Tip Heat Transfer
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Topics: Blades , Flow (Dynamics) , Heat transfer , Mach number , Pressure , Computational fluid dynamics , Turbulence , Shock waves , Suction
The Tip Leakage Flow of an Unshrouded High Pressure Turbine Blade With Tip Cooling
Chao Zhou, Howard Hodson
J. Turbomach. October 2011, 133(4): 041028. doi: https://doi.org/10.1115/1.4001174
View articletitled, The Tip Leakage Flow of an Unshrouded High Pressure Turbine Blade With Tip Cooling
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Topics: Cavities , Coolants , Flow (Dynamics) , Leakage , Leakage flows , Pressure , Blades , Suction , Chords (Trusses)
Mechanisms for Wide-Chord Fan Blade Flutter
Mehdi Vahdati, George Simpson, Mehmet Imregun
J. Turbomach. October 2011, 133(4): 041029. doi: https://doi.org/10.1115/1.4001233
View articletitled, Mechanisms for Wide-Chord Fan Blade Flutter
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Topics: Blades , Flutter (Aerodynamics) , Pressure , Acoustics , Flow (Dynamics) , Waves
The Tip Clearance Flow Resonance Behind Axial Compressor Nonsynchronous Vibration
Jean Thomassin, Huu Duc Vo, Njuki W. Mureithi
J. Turbomach. October 2011, 133(4): 041030. doi: https://doi.org/10.1115/1.4001368
View articletitled, The Tip Clearance Flow Resonance Behind Axial Compressor Nonsynchronous Vibration
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Topics: Blades , Clearances (Engineering) , Compressors , Flow (Dynamics) , Resonance , Vibration , Feedback , Rotors , Waves , Shear (Mechanics)

Research Papers

Trailing Edge Film Cooling of Gas Turbine Airfoils—External Cooling Performance of Various Internal Pin Fin Configurations
T. Horbach, A. Schulz, H.-J. Bauer
J. Turbomach. October 2011, 133(4): 041006. doi: https://doi.org/10.1115/1.4002964
View articletitled, Trailing Edge Film Cooling of Gas Turbine Airfoils—External Cooling Performance of Various Internal Pin Fin Configurations
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Topics: Coolants , Cooling , Film cooling , Flow (Dynamics) , Heat transfer , Discharge coefficient , Fins , Pressure , Heat transfer coefficients , Gas turbines
All Issues
Optimization of Low-Pressure Turbine Blade by Means of Fine Inspection of Loss Production Mechanisms
J. Turbomach
Unsteady Flow Structure of Rotating Instability in a 1.5-Stage Axial Compressor
J. Turbomach
Performance of Rough-Ribbed Low-Pressure Turbine Blades Under Varying Loading and Operating Conditions
J. Turbomach
CONTROL OF SHROUD LEAKAGE LOSS AND WINDAGE TORQUE IN A LOW-PRESSURE TURBINE STAGE
J. Turbomach
Numerical implementation of electrostatic solver within OpenFOAM for GT intake filtration
J. Turbomach
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  • Print ISSN 0889-504X

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