Volume 132 Issue 3 | J. Turbomach. | ASME Digital Collection

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Volume 132, Issue 3

July 2010

ISSN 0889-504X

EISSN 1528-8900

Research Papers

Unsteady Effect in a Nozzled Turbocharger Turbine

Srithar Rajoo, R. F. Martinez-Botas

J. Turbomach. July 2010, 132(3): 031001. doi: https://doi.org/10.1115/1.3142862

Abstract

View articletitled, Unsteady Effect in a Nozzled Turbocharger Turbine

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Topics: Flow (Dynamics) , Nozzles , Pulsatile flow , Turbines , Turbochargers , Cycles

Observations of Transition Phenomena on a Controlled Diffusion Compressor Stator With a Circular Arc Leading Edge

Alan D. Henderson, Gregory J. Walker

J. Turbomach. July 2010, 132(3): 031002. doi: https://doi.org/10.1115/1.3144163

Abstract

View articletitled, Observations of Transition Phenomena on a Controlled Diffusion Compressor Stator With a Circular Arc Leading Edge

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Topics: Blades , Boundary layers , Compressors , Flow (Dynamics) , Pressure , Separation (Technology) , Stators , Suction , Turbulence , Wakes

Film Cooling in a Separated Flow Field on a Novel Lightweight Turbine Blade

Yoji Okita, Chiyuki Nakamata, Masaya Kumada, Masahiro Ikeda

J. Turbomach. July 2010, 132(3): 031003. doi: https://doi.org/10.1115/1.3144165

Abstract

View articletitled, Film Cooling in a Separated Flow Field on a Novel Lightweight Turbine Blade

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Topics: Blades , Coolants , Cooling , Ducts , Film cooling , Flow (Dynamics) , Pressure , Suction , Engines , Temperature

Multidisciplinary Optimization of a Radial Compressor for Microgas Turbine Applications

T. Verstraete, Z. Alsalihi, R. A. Van den Braembussche

J. Turbomach. July 2010, 132(3): 031004. doi: https://doi.org/10.1115/1.3144162

Abstract

View articletitled, Multidisciplinary Optimization of a Radial Compressor for Microgas Turbine Applications

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Topics: Artificial neural networks , Blades , Compressors , Design , Finite element analysis , Optimization , Stress , Databases , Geometry , Impellers

Shaping of Tip End-Plate to Control Leakage Vortex Swirl in Axial Flow Fans

Alessandro Corsini, Franco Rispoli, A. G. Sheard

J. Turbomach. July 2010, 132(3): 031005. doi: https://doi.org/10.1115/1.3145017

Abstract

View articletitled, Shaping of Tip End-Plate to Control Leakage Vortex Swirl in Axial Flow Fans

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Topics: Blades , Fans , Flow (Dynamics) , Leakage , Rotors , Vortices , Leakage flows , Design

Thermodynamic Analysis of Buoyancy-Induced Flow in Rotating Cavities

J. Michael Owen

J. Turbomach. July 2010, 132(3): 031006. doi: https://doi.org/10.1115/1.2988170

Abstract

View articletitled, Thermodynamic Analysis of Buoyancy-Induced Flow in Rotating Cavities

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Topics: Buoyancy , Cavities , Entropy , Flow (Dynamics) , Vortices , Self-organization , Thermodynamics , Cooling

Internal Losses and Flow Behavior of a Turbofan Stage at Windmill

Dilip Prasad, Wesley K. Lord

J. Turbomach. July 2010, 132(3): 031007. doi: https://doi.org/10.1115/1.3147106

Abstract

View articletitled, Internal Losses and Flow Behavior of a Turbofan Stage at Windmill

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Topics: Flow (Dynamics) , Pressure , Rotors , Mach number , Engines , Computer simulation

Designing Low Pressure Turbines for Optimized Airfoil Lift

Jochen Gier, Matthias Franke, Norbert Hübner, Thomas Schröder

J. Turbomach. July 2010, 132(3): 031008. doi: https://doi.org/10.1115/1.3148476

Abstract

View articletitled, Designing Low Pressure Turbines for Optimized Airfoil Lift

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Topics: Airfoils , Design , Flow (Dynamics) , Pressure , Turbines

3D Numerical Investigation of Tandem Airfoils for a Core Compressor Rotor

Jonathan McGlumphy, Wing-Fai Ng, Steven R. Wellborn, Severin Kempf

J. Turbomach. July 2010, 132(3): 031009. doi: https://doi.org/10.1115/1.3149283

Abstract

View articletitled, 3D Numerical Investigation of Tandem Airfoils for a Core Compressor Rotor

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Topics: Blades , Rotors , Flow (Dynamics) , Compressors , Airfoils , Design

Heat Transfer Augmentation Downstream of Rows of Various Dimple Geometries on the Suction Side of a Gas Turbine Airfoil

Jason E. Dees, David G. Bogard, Ronald S. Bunker

J. Turbomach. July 2010, 132(3): 031010. doi: https://doi.org/10.1115/1.3149284

Abstract

View articletitled, Heat Transfer Augmentation Downstream of Rows of Various Dimple Geometries on the Suction Side of a Gas Turbine Airfoil

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Topics: Boundary layer turbulence , Boundary layers , Film cooling , Flow (Dynamics) , Gas turbines , Heat transfer , Heat transfer coefficients , Shapes , Suction , Turbulence

Considerations of a Double-Wall Cooling Design to Reduce Sand Blockage

Camron C. Land, Chris Joe, Karen A. Thole

J. Turbomach. July 2010, 132(3): 031011. doi: https://doi.org/10.1115/1.3153308

Abstract

View articletitled, Considerations of a Double-Wall Cooling Design to Reduce Sand Blockage

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Topics: Cooling , Flow (Dynamics) , Particulate matter , Sands , Pressure , Film cooling

Numerical Simulation of the Flow Pulsations Origin in Cascades of the Rear Blade Rows in a Gas Turbine Axial Compressor Using Low Calorific Fuel

Vaclav Cyrus, Jiri Polansky

J. Turbomach. July 2010, 132(3): 031012. doi: https://doi.org/10.1115/1.3153306

Abstract

View articletitled, Numerical Simulation of the Flow Pulsations Origin in Cascades of the Rear Blade Rows in a Gas Turbine Axial Compressor Using Low Calorific Fuel

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Topics: Blades , Cascades (Fluid dynamics) , Compressors , Flow (Dynamics) , Flow simulation , Gas turbines , Rotors , Stators , Vortices , Fuels

Interaction of Wheelspace Coolant and Main Flow in a New Aeroderivative Low Pressure Turbine

F. Montomoli, M. Massini, N. Maceli, M. Cirri, L. Lombardi, A. Ciani, M. D’Ercole, R. De Prosperis

J. Turbomach. July 2010, 132(3): 031013. doi: https://doi.org/10.1115/1.3195036

Abstract

View articletitled, Interaction of Wheelspace Coolant and Main Flow in a New Aeroderivative Low Pressure Turbine

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Topics: Coolants , Flow (Dynamics) , Pressure , Rotors , Stators , Wakes , Wheels , Turbines

Establishing a Methodology for Resolving Convective Heat Transfer From Complex Geometries

Jason K. Ostanek, J. Prausa, A. Van Suetendael, Karen A. Thole

J. Turbomach. July 2010, 132(3): 031014. doi: https://doi.org/10.1115/1.3144989

Abstract

View articletitled, Establishing a Methodology for Resolving Convective Heat Transfer From Complex Geometries

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Topics: Convection , Heat transfer , Temperature , Reynolds number , Design , Cooling , Heat losses , Approximation , Turbulence , Thermocouples

Unsteady Computational Fluid Dynamics Investigation on Inlet Distortion in a Centrifugal Compressor

Armin Zemp, Albert Kammerer, Reza S. Abhari

J. Turbomach. July 2010, 132(3): 031015. doi: https://doi.org/10.1115/1.3147104

Abstract

View articletitled, Unsteady Computational Fluid Dynamics Investigation on Inlet Distortion in a Centrifugal Compressor

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Topics: Blades , Boundary-value problems , Compressors , Computational fluid dynamics , Flow (Dynamics) , Impellers , Pressure , Computation , Suction , Simulation

Efficient Finite Element Analysis/Computational Fluid Dynamics Thermal Coupling for Engineering Applications

Zixiang Sun, John W. Chew, Nicholas J. Hills, Konstantin N. Volkov, Christopher J. Barnes

J. Turbomach. July 2010, 132(3): 031016. doi: https://doi.org/10.1115/1.3147105

Abstract

View articletitled, Efficient Finite Element Analysis/Computational Fluid Dynamics Thermal Coupling for Engineering Applications

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Topics: Computational fluid dynamics , Finite element analysis , Turbines , Cavities , Rotors , Stators

Effect of Roughness and Unsteadiness on the Performance of a New Low Pressure Turbine Blade at Low Reynolds Numbers

Francesco Montomoli, Howard Hodson, Frank Haselbach

J. Turbomach. July 2010, 132(3): 031018. doi: https://doi.org/10.1115/1.3148475

Abstract

View articletitled, Effect of Roughness and Unsteadiness on the Performance of a New Low Pressure Turbine Blade at Low Reynolds Numbers

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Topics: Blades , Boundary layers , Design , Inflow , Mach number , Pressure , Reynolds number , Suction , Surface roughness , Wakes

Study on Advanced Internal Cooling Technologies for the Development of Next-Generation Small-Class Aircraft Engines

Shu Fujimoto, Yoji Okita, Yoshitaka Fukuyama, Takashi Yamane, Fujio Mimura, Masahiro Matsushita, Toyoaki Yoshida

J. Turbomach. July 2010, 132(3): 031019. doi: https://doi.org/10.1115/1.3151602

Abstract

View articletitled, Study on Advanced Internal Cooling Technologies for the Development of Next-Generation Small-Class Aircraft Engines

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Topics: Cooling

Aerodynamic Performance of Suction-Side Gill Region Film Cooling

Justin Chappell, Phil Ligrani, Sri Sreekanth, Terry Lucas, Edward Vlasic

J. Turbomach. July 2010, 132(3): 031020. doi: https://doi.org/10.1115/1.3151603

Abstract

View articletitled, Aerodynamic Performance of Suction-Side Gill Region Film Cooling

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Topics: Film cooling , Flow (Dynamics) , Mach number , Pressure , Suction , Turbulence , Kinetic energy , Wakes , Wind tunnels , Chords (Trusses)

A New Streamline Curvature Throughflow Method for Radial Turbomachinery

Michael Casey, Chris Robinson

J. Turbomach. July 2010, 132(3): 031021. doi: https://doi.org/10.1115/1.3151601

Abstract

View articletitled, A New Streamline Curvature Throughflow Method for Radial Turbomachinery

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Topics: Blades , Compressors , Flow (Dynamics) , Pressure , Turbomachinery

Computational Modeling of Tip Heat Transfer to a Superscale Model of an Unshrouded Gas Turbine Blade

Brian M. T. Tang, Pepe Palafox, Brian C. Y. Cheong, Martin L. G. Oldfield, David R. H. Gillespie

J. Turbomach. July 2010, 132(3): 031023. doi: https://doi.org/10.1115/1.3153307

Abstract

View articletitled, Computational Modeling of Tip Heat Transfer to a Superscale Model of an Unshrouded Gas Turbine Blade

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Topics: Blades , Flow (Dynamics) , Gas turbines , Heat transfer , Turbulence , Simulation , Cascades (Fluid dynamics) , Pressure , Engines

Research Papers

Comparison of Discharge Coefficient Measurements and Correlations for Orifices With Cross-Flow and Rotation

Marcus Hüning

J. Turbomach. July 2010, 132(3): 031017. doi: https://doi.org/10.1115/1.3147102

Abstract

View articletitled, Comparison of Discharge Coefficient Measurements and Correlations for Orifices With Cross-Flow and Rotation

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Topics: Cross-flow , Discharge coefficient , Flow (Dynamics) , Orifices , Pressure , Rotation

Suction-Side Gill Region Film Cooling: Effects of Hole Shape and Orientation on Adiabatic Effectiveness and Heat Transfer Coefficient

Justin Chappell, Phil Ligrani, Sri Sreekanth, Terry Lucas

J. Turbomach. July 2010, 132(3): 031022. doi: https://doi.org/10.1115/1.3151600

Abstract

View articletitled, Suction-Side Gill Region Film Cooling: Effects of Hole Shape and Orientation on Adiabatic Effectiveness and Heat Transfer Coefficient

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Topics: Film cooling , Heat transfer coefficients , Turbulence , Mach number , Flow (Dynamics)

Research Papers

Unsteady Effect in a Nozzled Turbocharger Turbine

Observations of Transition Phenomena on a Controlled Diffusion Compressor Stator With a Circular Arc Leading Edge

Film Cooling in a Separated Flow Field on a Novel Lightweight Turbine Blade

Multidisciplinary Optimization of a Radial Compressor for Microgas Turbine Applications

Shaping of Tip End-Plate to Control Leakage Vortex Swirl in Axial Flow Fans

Thermodynamic Analysis of Buoyancy-Induced Flow in Rotating Cavities

Internal Losses and Flow Behavior of a Turbofan Stage at Windmill

Designing Low Pressure Turbines for Optimized Airfoil Lift

3D Numerical Investigation of Tandem Airfoils for a Core Compressor Rotor

Heat Transfer Augmentation Downstream of Rows of Various Dimple Geometries on the Suction Side of a Gas Turbine Airfoil

Considerations of a Double-Wall Cooling Design to Reduce Sand Blockage

Numerical Simulation of the Flow Pulsations Origin in Cascades of the Rear Blade Rows in a Gas Turbine Axial Compressor Using Low Calorific Fuel

Interaction of Wheelspace Coolant and Main Flow in a New Aeroderivative Low Pressure Turbine

Establishing a Methodology for Resolving Convective Heat Transfer From Complex Geometries

Unsteady Computational Fluid Dynamics Investigation on Inlet Distortion in a Centrifugal Compressor

Efficient Finite Element Analysis/Computational Fluid Dynamics Thermal Coupling for Engineering Applications

Effect of Roughness and Unsteadiness on the Performance of a New Low Pressure Turbine Blade at Low Reynolds Numbers

Study on Advanced Internal Cooling Technologies for the Development of Next-Generation Small-Class Aircraft Engines

Aerodynamic Performance of Suction-Side Gill Region Film Cooling

A New Streamline Curvature Throughflow Method for Radial Turbomachinery

Computational Modeling of Tip Heat Transfer to a Superscale Model of an Unshrouded Gas Turbine Blade

Research Papers

Comparison of Discharge Coefficient Measurements and Correlations for Orifices With Cross-Flow and Rotation

Suction-Side Gill Region Film Cooling: Effects of Hole Shape and Orientation on Adiabatic Effectiveness and Heat Transfer Coefficient

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