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Issues
October 2011
ISSN 0889-504X
EISSN 1528-8900
In this Issue
Research Papers
Overtip Shock Wave Structure and Its Impact on Turbine Blade Tip Heat Transfer
J. Turbomach. October 2011, 133(4): 041001.
doi: https://doi.org/10.1115/1.4002949
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
J. Turbomach. October 2011, 133(4): 041002.
doi: https://doi.org/10.1115/1.4002950
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
J. Turbomach. October 2011, 133(4): 041003.
doi: https://doi.org/10.1115/1.4002951
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
J. Turbomach. October 2011, 133(4): 041004.
doi: https://doi.org/10.1115/1.3213550
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
J. Turbomach. October 2011, 133(4): 041005.
doi: https://doi.org/10.1115/1.4002963
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
J. Turbomach. October 2011, 133(4): 041007.
doi: https://doi.org/10.1115/1.4002965
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
J. Turbomach. October 2011, 133(4): 041008.
doi: https://doi.org/10.1115/1.4002966
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
J. Turbomach. October 2011, 133(4): 041009.
doi: https://doi.org/10.1115/1.4002984
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
J. Turbomach. October 2011, 133(4): 041010.
doi: https://doi.org/10.1115/1.4002985
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
J. Turbomach. October 2011, 133(4): 041011.
doi: https://doi.org/10.1115/1.4002988
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
J. Turbomach. October 2011, 133(4): 041012.
doi: https://doi.org/10.1115/1.4002989
Topics:
Ducts
,
Heat transfer
,
Pressure drop
,
Turning vanes
,
Turbulence
,
Flow (Dynamics)
Effects of Fan Speed on Rotating Stall Inception and Recovery
J. Turbomach. October 2011, 133(4): 041013.
doi: https://doi.org/10.1115/1.4003243
Topics:
Blades
,
Flow (Dynamics)
,
Pressure
,
Stall inception
,
Nozzles
,
Annulus
,
Compressors
Microchannels With Manufacturing Roughness Levels
J. Turbomach. October 2011, 133(4): 041014.
doi: https://doi.org/10.1115/1.4002991
Topics:
Cooling
,
Flow (Dynamics)
,
Friction
,
Heat transfer
,
Manufacturing
,
Microchannels
,
Surface roughness
,
Temperature
,
Copper
,
Pressure drop
Modeling of Surge Characteristics in Turbo Heat Pumps
J. Turbomach. October 2011, 133(4): 041015.
doi: https://doi.org/10.1115/1.4002993
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
J. Turbomach. October 2011, 133(4): 041016.
doi: https://doi.org/10.1115/1.4002407
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
J. Turbomach. October 2011, 133(4): 041017.
doi: https://doi.org/10.1115/1.4002408
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
J. Turbomach. October 2011, 133(4): 041018.
doi: https://doi.org/10.1115/1.4003022
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
J. Turbomach. October 2011, 133(4): 041019.
doi: https://doi.org/10.1115/1.4002409
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
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
J. Turbomach. October 2011, 133(4): 041021.
doi: https://doi.org/10.1115/1.4003024
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
J. Turbomach. October 2011, 133(4): 041022.
doi: https://doi.org/10.1115/1.4002414
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
J. Turbomach. October 2011, 133(4): 041023.
doi: https://doi.org/10.1115/1.4003051
Topics:
Cooling
,
Film cooling
,
Flow (Dynamics)
,
Turbulence
,
Coolants
,
Jets
Effect of Upstream Step on Flat Plate Film-Cooling Effectiveness Using PSP
J. Turbomach. October 2011, 133(4): 041024.
doi: https://doi.org/10.1115/1.4002422
Topics:
Film cooling
,
Plates (structures)
Turbine Blade Tip Heat Transfer in Low Speed and High Speed Flows
J. Turbomach. October 2011, 133(4): 041025.
doi: https://doi.org/10.1115/1.4002424
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
J. Turbomach. October 2011, 133(4): 041026.
doi: https://doi.org/10.1115/1.4003055
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
J. Turbomach. October 2011, 133(4): 041027.
doi: https://doi.org/10.1115/1.4003063
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
J. Turbomach. October 2011, 133(4): 041028.
doi: https://doi.org/10.1115/1.4001174
Topics:
Cavities
,
Coolants
,
Flow (Dynamics)
,
Leakage
,
Leakage flows
,
Pressure
,
Blades
,
Suction
,
Chords (Trusses)
Mechanisms for Wide-Chord Fan Blade Flutter
J. Turbomach. October 2011, 133(4): 041029.
doi: https://doi.org/10.1115/1.4001233
Topics:
Blades
,
Flutter (Aerodynamics)
,
Pressure
,
Acoustics
,
Flow (Dynamics)
,
Waves
The Tip Clearance Flow Resonance Behind Axial Compressor Nonsynchronous Vibration
J. Turbomach. October 2011, 133(4): 041030.
doi: https://doi.org/10.1115/1.4001368
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
J. Turbomach. October 2011, 133(4): 041006.
doi: https://doi.org/10.1115/1.4002964
Topics:
Coolants
,
Cooling
,
Film cooling
,
Flow (Dynamics)
,
Heat transfer
,
Discharge coefficient
,
Fins
,
Pressure
,
Heat transfer coefficients
,
Gas turbines
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