Volume 135 Issue 2 | J. Turbomach. | ASME Digital Collection

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Volume 135, Issue 2

March 2013

ISSN 0889-504X

EISSN 1528-8900

Research Papers

The Effects of Ribs and Tip Wall Distance on Heat Transfer for a Varying Aspect Ratio Two-Pass Ribbed Internal Cooling Channel

Sean C. Jenkins, Frank Zehnder, Igor V. Shevchuk, Jens von Wolfersdorf, Bernhard Weigand, Martin Schnieder

J. Turbomach. March 2013, 135(2): 021001. doi: https://doi.org/10.1115/1.4006584

Abstract

View articletitled, The Effects of Ribs and Tip Wall Distance on Heat Transfer for a Varying Aspect Ratio Two-Pass Ribbed Internal Cooling Channel

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Topics: Heat transfer , Cooling , Flow (Dynamics) , Pressure , Liquid crystals

Aerothermal Investigation of Backface Clearance Flow in Deeply Scalloped Radial Turbines

Ping He, Zhigang Sun, Baoting Guo, Haisheng Chen, Chunqing Tan

J. Turbomach. March 2013, 135(2): 021002. doi: https://doi.org/10.1115/1.4006664

Abstract

View articletitled, Aerothermal Investigation of Backface Clearance Flow in Deeply Scalloped Radial Turbines

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Topics: Clearances (Engineering) , Flow (Dynamics) , Turbines , Blades , Pressure

Time-Dependent Deposition Characteristics of Fine Coal Fly Ash in a Laboratory Gas Turbine Environment

Robert G. Laycock, Thomas H. Fletcher

J. Turbomach. March 2013, 135(2): 021003. doi: https://doi.org/10.1115/1.4006639

Abstract

View articletitled, Time-Dependent Deposition Characteristics of Fine Coal Fly Ash in a Laboratory Gas Turbine Environment

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Topics: Coal , Fly ash , Gas turbines , Particulate matter , Surface roughness , Temperature , Viscosity , Flow (Dynamics)

Validation of Numerical Simulation for Rotating Stall in a Transonic Fan

Minsuk Choi, Nigel H. S. Smith, Mehdi Vahdati

J. Turbomach. March 2013, 135(2): 021004. doi: https://doi.org/10.1115/1.4006641

Abstract

View articletitled, Validation of Numerical Simulation for Rotating Stall in a Transonic Fan

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Topics: Blades , Flow (Dynamics) , Pressure , Stall inception , Computer simulation , Simulation , Numerical analysis

Three-Dimensional RANS Prediction of Gas-Side Heat Transfer Coefficients on Turbine Blade and Endwall

Jiang Luo, Eli H. Razinsky, Hee-Koo Moon

J. Turbomach. March 2013, 135(2): 021005. doi: https://doi.org/10.1115/1.4006642

Abstract

View articletitled, Three-Dimensional RANS Prediction of Gas-Side Heat Transfer Coefficients on Turbine Blade and Endwall

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Topics: Computational fluid dynamics , Flat plates , Flow (Dynamics) , Heat transfer , Modeling , Pressure , Reynolds-averaged Navier–Stokes equations , Suction , Turbines , Turbulence

Stability Improvement of High-Pressure-Ratio Turbocharger Centrifugal Compressor by Asymmetric Flow Control—Part I: Non-Axisymmetrical Flow in Centrifugal Compressor

Mingyang Yang, Xinqian Zheng, Yangjun Zhang, Takahiro Bamba, Hideaki Tamaki, Joern Huenteler, Zhigang Li

J. Turbomach. March 2013, 135(2): 021006. doi: https://doi.org/10.1115/1.4006636

Abstract

View articletitled, Stability Improvement of High-Pressure-Ratio Turbocharger Centrifugal Compressor by Asymmetric Flow Control—Part I: Non-Axisymmetrical Flow in Centrifugal Compressor

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Topics: Compressors , Flow (Dynamics) , Impellers , Pressure , Diffusers , Surges , Blades

Stability Improvement of High-Pressure-Ratio Turbocharger Centrifugal Compressor by Asymmetrical Flow Control—Part II: Nonaxisymmetrical Self-Recirculation Casing Treatment

Xinqian Zheng, Yangjun Zhang, Mingyang Yang, Takahiro Bamba, Hideaki Tamaki

J. Turbomach. March 2013, 135(2): 021007. doi: https://doi.org/10.1115/1.4006637

Abstract

View articletitled, Stability Improvement of High-Pressure-Ratio Turbocharger Centrifugal Compressor by Asymmetrical Flow Control—Part II: Nonaxisymmetrical Self-Recirculation Casing Treatment

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Topics: Compressors , Flow (Dynamics) , Pressure , Stability , Surges , Blades , Turbochargers , Flow control , Geometry , Impellers

Robust Analysis of Design in Vibration of Turbomachines

Moustapha Mbaye, Christian Soize, Jean-Philippe Ousty, Evangeline Capiez-Lernout

J. Turbomach. March 2013, 135(2): 021008. doi: https://doi.org/10.1115/1.4007442

Abstract

View articletitled, Robust Analysis of Design in Vibration of Turbomachines

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Topics: Blades , Damping , Design , Disks , Stiffness , Uncertainty , Turbomachinery , Vibration , Shapes

Improved Trench Film Cooling With Shaped Trench Outlets

Habeeb Idowu Oguntade, Gordon E. Andrews, A. D. Burns, Derek B. Ingham, Mohammed Pourkashanian

J. Turbomach. March 2013, 135(2): 021009. doi: https://doi.org/10.1115/1.4006606

Abstract

View articletitled, Improved Trench Film Cooling With Shaped Trench Outlets

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Topics: Coolants , Cooling , Film cooling , Flow (Dynamics) , Computational fluid dynamics , Flat plates

Heat Transfer in an Oblique Jet Impingement Configuration With Varying Jet Geometries

Simon Schueren, Florian Hoefler, Jens von Wolfersdorf, Shailendra Naik

J. Turbomach. March 2013, 135(2): 021010. doi: https://doi.org/10.1115/1.4006598

Abstract

View articletitled, Heat Transfer in an Oblique Jet Impingement Configuration With Varying Jet Geometries

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Topics: Flow (Dynamics) , Heat transfer , Jets

Evaluation of Heat Transfer Effects on Turbocharger Performance

Borislav Sirakov, Michael Casey

J. Turbomach. March 2013, 135(2): 021011. doi: https://doi.org/10.1115/1.4006608

Abstract

View articletitled, Evaluation of Heat Transfer Effects on Turbocharger Performance

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Topics: Compressors , Flow (Dynamics) , Heat transfer , Turbines , Turbochargers , Cooling , Pressure

Experimental Measurements of Ingestion Through Turbine Rim Seals—Part I: Externally Induced Ingress

Carl M. Sangan, Oliver J. Pountney, Kunyuan Zhou, Mike Wilson, J. Michael Owen, Gary D. Lock

J. Turbomach. March 2013, 135(2): 021012. doi: https://doi.org/10.1115/1.4006609

Abstract

View articletitled, Experimental Measurements of Ingestion Through Turbine Rim Seals—Part I: Externally Induced Ingress

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Topics: Annulus , Clearances (Engineering) , Engines , Flow (Dynamics) , Pressure , Sealing (Process) , Turbines , Wheels , Blades , Design

Experimental Measurements of Ingestion Through Turbine Rim Seals—Part II: Rotationally Induced Ingress

Carl M. Sangan, Oliver J. Pountney, Kunyuan Zhou, J. Michael Owen, Mike Wilson, Gary D. Lock

J. Turbomach. March 2013, 135(2): 021013. doi: https://doi.org/10.1115/1.4006586

Abstract

View articletitled, Experimental Measurements of Ingestion Through Turbine Rim Seals—Part II: Rotationally Induced Ingress

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Topics: Clearances (Engineering) , Flow (Dynamics) , Sealing (Process) , Wheels , Turbines

Statistical and Theoretical Models of Ingestion Through Turbine Rim Seals

Kunyuan Zhou, Simon N. Wood, J. Michael Owen

J. Turbomach. March 2013, 135(2): 021014. doi: https://doi.org/10.1115/1.4006601

Abstract

View articletitled, Statistical and Theoretical Models of Ingestion Through Turbine Rim Seals

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Topics: Clearances (Engineering) , Fittings , Flow (Dynamics) , Maximum likelihood estimation , Pressure , Sealing (Process) , Turbines , Wheels , Annulus , Engines

Vaned Diffuser Induced Impeller Blade Vibrations in a High-Speed Centrifugal Compressor

Armin Zemp, Reza S. Abhari

J. Turbomach. March 2013, 135(2): 021015. doi: https://doi.org/10.1115/1.4007515

Abstract

View articletitled, Vaned Diffuser Induced Impeller Blade Vibrations in a High-Speed Centrifugal Compressor

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Topics: Blades , Compressors , Diffusers , Impellers , Simulation , Pressure , Damping , Flow (Dynamics)

Film Cooling Extraction Effects on the Aero-Thermal Characteristics of Rib Roughened Cooling Channel Flow

Beni Cukurel, Claudio Selcan, Tony Arts

J. Turbomach. March 2013, 135(2): 021016. doi: https://doi.org/10.1115/1.4007501

Abstract

View articletitled, Film Cooling Extraction Effects on the Aero-Thermal Characteristics of Rib Roughened Cooling Channel Flow

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Topics: Cooling , Film cooling , Flow (Dynamics) , Heat transfer , Suction , Fluids , Temperature , Heat flux

Constrained Adjoint-Based Aerodynamic Shape Optimization of a Single-Stage Transonic Compressor

Benjamin Walther, Siva Nadarajah

J. Turbomach. March 2013, 135(2): 021017. doi: https://doi.org/10.1115/1.4007502

Abstract

View articletitled, Constrained Adjoint-Based Aerodynamic Shape Optimization of a Single-Stage Transonic Compressor

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Topics: Compressors , Design , Flow (Dynamics) , Optimization , Rotors , Stators , Pressure , Shape optimization , Boundary-value problems

A Path Toward the Aerodynamic Robust Design of Low Pressure Turbines

Francesco Bertini, Martina Credi, Michele Marconcini, Matteo Giovannini

J. Turbomach. March 2013, 135(2): 021018. doi: https://doi.org/10.1115/1.4007519

Abstract

View articletitled, A Path Toward the Aerodynamic Robust Design of Low Pressure Turbines

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Topics: Computational fluid dynamics , Design , Flow (Dynamics) , Optimization , Robustness , Airfoils , Turbines , Engines , Blades , Pressure

Leading Edge Shielding Concept in Gas Turbines With Can Combustors

Ioanna Aslanidou, Budimir Rosic, Vasudevan Kanjirakkad, Sumiu Uchida

J. Turbomach. March 2013, 135(2): 021019. doi: https://doi.org/10.1115/1.4007514

Abstract

View articletitled, Leading Edge Shielding Concept in Gas Turbines With Can Combustors

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Topics: Combustion chambers , Coolants , Cooling , Design , Flow (Dynamics) , Gas turbines , Pressure , Leakage , Turbines , Temperature

Secondary Flow Loss Reduction Through Blowing for a High-Lift Front-Loaded Low Pressure Turbine Cascade

Stuart I. Benton, Jeffrey P. Bons, Rolf Sondergaard

J. Turbomach. March 2013, 135(2): 021020. doi: https://doi.org/10.1115/1.4007531

Abstract

View articletitled, Secondary Flow Loss Reduction Through Blowing for a High-Lift Front-Loaded Low Pressure Turbine Cascade

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Topics: Blades , Flow (Dynamics) , Flow control , Pressure , Reynolds number , Vortices , Suction , Cascades (Fluid dynamics) , Momentum , Turbines

Determination of Time Resolved Heat Transfer Coefficient and Adiabatic Effectiveness Waveforms With Unsteady Film

James L. Rutledge, Jonathan F. McCall

J. Turbomach. March 2013, 135(2): 021021. doi: https://doi.org/10.1115/1.4007545

Abstract

View articletitled, Determination of Time Resolved Heat Transfer Coefficient and Adiabatic Effectiveness Waveforms With Unsteady Film

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Topics: Algorithms , Film cooling , Heat flux , Heat transfer , Simulation , Temperature , Heat transfer coefficients , Boundary-value problems , Flow (Dynamics) , Fluctuations (Physics)

Multidisciplinary Optimization of a Turbocharger Radial Turbine

Lasse Mueller, Zuheyr Alsalihi, Tom Verstraete

J. Turbomach. March 2013, 135(2): 021022. doi: https://doi.org/10.1115/1.4007507

Abstract

View articletitled, Multidisciplinary Optimization of a Turbocharger Radial Turbine

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Topics: Blades , Design , Flow (Dynamics) , Impellers , Optimization , Turbines , Stress , Inertia (Mechanics) , Turbochargers , Mach number

An Explanation for Flow Features of Spike-Type Stall Inception in an Axial Compressor Rotor

Kazutoyo Yamada, Hiroaki Kikuta, Ken-ichiro Iwakiri, Masato Furukawa, Satoshi Gunjishima

J. Turbomach. March 2013, 135(2): 021023. doi: https://doi.org/10.1115/1.4007570

Abstract

View articletitled, An Explanation for Flow Features of Spike-Type Stall Inception in an Axial Compressor Rotor

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Topics: Blades , Compressors , Flow (Dynamics) , Pressure , Rotors , Stall inception , Vortices

Characteristics of Turbulence in a Turbofan Stage

Jeremy Maunus, Sheryl Grace, Douglas Sondak, Victor Yakhot

J. Turbomach. March 2013, 135(2): 021024. doi: https://doi.org/10.1115/1.4006774

Abstract

View articletitled, Characteristics of Turbulence in a Turbofan Stage

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Topics: Energy dissipation , Flow (Dynamics) , Turbulence , Kinetic energy , Turbofans , Wire

Heat Transfer in Turbine Hub Cavities Adjacent to the Main Gas Path

Jeffrey A. Dixon, Antonio Guijarro Valencia, Andreas Bauknecht, Daniel Coren, Nick Atkins

J. Turbomach. March 2013, 135(2): 021025. doi: https://doi.org/10.1115/1.4006824

Abstract

View articletitled, Heat Transfer in Turbine Hub Cavities Adjacent to the Main Gas Path

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Topics: Annulus , Cavities , Computational fluid dynamics , Cooling , Flow (Dynamics) , Stators , Temperature , Turbines , Heat transfer , Disks

Effects of Vortex Generator Application on the Performance of a Compressor Cascade

Alexander Hergt, Robert Meyer, Karl Engel

J. Turbomach. March 2013, 135(2): 021026. doi: https://doi.org/10.1115/1.4006605

Abstract

View articletitled, Effects of Vortex Generator Application on the Performance of a Compressor Cascade

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Topics: Blades , Cascades (Fluid dynamics) , Flow (Dynamics) , Generators , Vortices , Pressure , Compressors

Heat Transfer for the Film-Cooled Vane of a 1-1/2 Stage High-Pressure Transonic Turbine—Part I: Experimental Configuration and Data Review With Inlet Temperature Profile Effects

Harika S. Kahveci, Charles W. Haldeman, Randall M. Mathison, Michael G. Dunn

J. Turbomach. March 2013, 135(2): 021027. doi: https://doi.org/10.1115/1.4006775

Abstract

View articletitled, Heat Transfer for the Film-Cooled Vane of a 1-1/2 Stage High-Pressure Transonic Turbine—Part I: Experimental Configuration and Data Review With Inlet Temperature Profile Effects

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Topics: Cooling , Flow (Dynamics) , Heat flux , Heat transfer , Temperature , Temperature profiles , Airfoils , Pressure , Turbines , Coolants

Heat Transfer for the Film-Cooled Vane of a 1-1/2 Stage High-Pressure Transonic Turbine—Part II: Effect of Cooling Variation on the Vane Airfoil and Inner End Wall

Harika S. Kahveci, Charles W. Haldeman, Randall M. Mathison, Michael G. Dunn

J. Turbomach. March 2013, 135(2): 021028. doi: https://doi.org/10.1115/1.4006776

Abstract

View articletitled, Heat Transfer for the Film-Cooled Vane of a 1-1/2 Stage High-Pressure Transonic Turbine—Part II: Effect of Cooling Variation on the Vane Airfoil and Inner End Wall

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Topics: Cooling , Flow (Dynamics) , Heat transfer , Airfoils , Coolants

Effects of Pin Detached Space on Heat Transfer in a Rib Roughened Channel

Sin Chien Siw, Minking K. Chyu, Mary Anne Alvin

J. Turbomach. March 2013, 135(2): 021029. doi: https://doi.org/10.1115/1.4006567

Abstract

View articletitled, Effects of Pin Detached Space on Heat Transfer in a Rib Roughened Channel

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Topics: Fins , Heat transfer , Heat transfer coefficients , Pressure

Numerical and Experimental Investigations of a Compressor Cascade Flow With Secondary Air Removal

Sascha Pönick, Dragan Kožulović, Rolf Radespiel, Bernd Becker, Volker Gümmer

J. Turbomach. March 2013, 135(2): 021030. doi: https://doi.org/10.1115/1.4006570

Abstract

View articletitled, Numerical and Experimental Investigations of a Compressor Cascade Flow With Secondary Air Removal

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Topics: Blades , Flow (Dynamics) , Pressure , Compressors , Design , Vortices , Computational fluid dynamics , Turbulence , Cascades (Fluid dynamics)

Numerical and Experimental Analysis of the Effect of Variable Blade Row Spacing in a Subsonic Axial Turbine

M. Restemeier, P. Jeschke, Y. Guendogdu, J. Gier

J. Turbomach. March 2013, 135(2): 021031. doi: https://doi.org/10.1115/1.4006587

Abstract

View articletitled, Numerical and Experimental Analysis of the Effect of Variable Blade Row Spacing in a Subsonic Axial Turbine

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Topics: Blades , Flow (Dynamics) , Rotors , Stators , Turbines , Wakes

Blade Loading and Its Application in the Mean-Line Design of Low Pressure Turbines

John D. Coull, Howard P. Hodson

J. Turbomach. March 2013, 135(2): 021032. doi: https://doi.org/10.1115/1.4006588

Abstract

View articletitled, Blade Loading and Its Application in the Mean-Line Design of Low Pressure Turbines

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Topics: Blades , Design , Flow (Dynamics) , Reynolds number , Turbines , Pressure

Coal Ash Deposition on Nozzle Guide Vanes—Part I: Experimental Characteristics of Four Coal Ash Types

J. Webb, B. Casaday, B. Barker, J. P. Bons, A. D. Gledhill, N. P. Padture

J. Turbomach. March 2013, 135(2): 021033. doi: https://doi.org/10.1115/1.4006571

Abstract

View articletitled, Coal Ash Deposition on Nozzle Guide Vanes—Part I: Experimental Characteristics of Four Coal Ash Types

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Topics: Coal , Film cooling , Flow (Dynamics) , Nozzle guide vanes , Particulate matter , Temperature , Turbines , Fly ash , Pressure

A Method to Estimate the Performance Map of a Centrifugal Compressor Stage

Michael Casey, Chris Robinson

J. Turbomach. March 2013, 135(2): 021034. doi: https://doi.org/10.1115/1.4006590

Abstract

View articletitled, A Method to Estimate the Performance Map of a Centrifugal Compressor Stage

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Topics: Compressors , Flow (Dynamics) , Mach number , Turbochargers , Design , Impellers

Effect of Bend Geometry on Heat Transfer and Pressure Drop in a Two-Pass Coolant Square Channel for a Turbine

Krishnendu Saha, Sumanta Acharya

J. Turbomach. March 2013, 135(2): 021035. doi: https://doi.org/10.1115/1.4006665

Abstract

View articletitled, Effect of Bend Geometry on Heat Transfer and Pressure Drop in a Two-Pass Coolant Square Channel for a Turbine

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Topics: Design , Flow (Dynamics) , Geometry , Heat transfer , Pressure drop , Symmetry (Physics) , Turning vanes , Heat transfer coefficients

Analysis of Axial Compressor Stall Inception Using Unsteady Casing Pressure Measurements

Joshua D. Cameron, Scott C. Morris

J. Turbomach. March 2013, 135(2): 021036. doi: https://doi.org/10.1115/1.4006777

Abstract

View articletitled, Analysis of Axial Compressor Stall Inception Using Unsteady Casing Pressure Measurements

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Topics: Compressors , Stall inception , Rotors , Sensors , Pressure , Filtration , Wavelets

Study of Unforced and Modulated Film-Cooling Jets Using Proper Orthogonal Decomposition—Part I: Unforced Jets

Guillaume Bidan, Clementine Vézier, Dimitris E. Nikitopoulos

J. Turbomach. March 2013, 135(2): 021037. doi: https://doi.org/10.1115/1.4006599

Abstract

View articletitled, Study of Unforced and Modulated Film-Cooling Jets Using Proper Orthogonal Decomposition—Part I: Unforced Jets

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Topics: Cross-flow , Film cooling , Flow (Dynamics) , Jets , Principal component analysis , Shear (Mechanics) , Temperature , Visualization , Vortices , Electromagnetic scattering