Volume 136 Issue 3 | J. Turbomach. | ASME Digital Collection

Research Papers

Aeroperformance Measurements for a Fully Cooled High-Pressure Turbine Stage

Charles Haldeman, Michael Dunn, Randall Mathison, William Troha, Timothy Vander Hoek, Ardeshir Riahi

J. Turbomach. March 2014, 136(3): 031001. doi: https://doi.org/10.1115/1.4024777

View articletitled, Aeroperformance Measurements for a Fully Cooled High-Pressure Turbine Stage

Topics: Blades , Cooling , Flow (Dynamics) , Pressure , Temperature , Turbines , Design , High pressure (Physics) , Coolants , Damage

Design Optimization of Casing Grooves Using Zipper Layer Meshing

Ning Qin, Greg Carnie, Yibin Wang, Shahrokh Shahpar

J. Turbomach. March 2014, 136(3): 031002. doi: https://doi.org/10.1115/1.4024650

Abstract

View articletitled, Design Optimization of Casing Grooves Using Zipper Layer Meshing

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Topics: Blades , Design , Flow (Dynamics) , Optimization , Pressure , Rotors

A Computational Fluid Dynamics Study of Circumferential Groove Casing Treatment in a Transonic Axial Compressor

Haixin Chen, Xudong Huang, Ke Shi, Song Fu, Mark Ross, Matthew A. Bennington, Joshua D. Cameron, Scott C. Morris, Scott McNulty, Aspi Wadia

J. Turbomach. March 2014, 136(3): 031003. doi: https://doi.org/10.1115/1.4024651

Abstract

View articletitled, A Computational Fluid Dynamics Study of Circumferential Groove Casing Treatment in a Transonic Axial Compressor

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Topics: Blades , Compressors , Computational fluid dynamics , Flow (Dynamics) , Momentum , Pressure , Rotors

Multicolor Techniques for Identification and Filtering of Burst Signals in Jet Engine Pyrometers

Jordi Estevadeordal, Guanghua Wang, Nirm Nirmalan, Anquan Wang, Sean P. Harper, Joseph D. Rigney

J. Turbomach. March 2014, 136(3): 031004. doi: https://doi.org/10.1115/1.4024678

Abstract

View articletitled, Multicolor Techniques for Identification and Filtering of Burst Signals in Jet Engine Pyrometers

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Topics: Blades , Emissivity , Pyrometers , Signals , Soot , Temperature , Wavelength , Particulate matter , Radiation (Physics) , Algorithms

Adiabatic and Overall Effectiveness for the Showerhead Film Cooling of a Turbine Vane

Marc L. Nathan, Thomas E. Dyson, David G. Bogard, Sean D. Bradshaw

J. Turbomach. March 2014, 136(3): 031005. doi: https://doi.org/10.1115/1.4024680

Abstract

View articletitled, Adiabatic and Overall Effectiveness for the Showerhead Film Cooling of a Turbine Vane

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Topics: Coolants , Cooling , Film cooling , Momentum , Pressure , Turbines , Flow (Dynamics) , Temperature , Engines , Suction

Sensitivity of the Overall Effectiveness to Film Cooling and Internal Cooling on a Turbine Vane Suction Side

Randall P. Williams, Thomas E. Dyson, David G. Bogard, Sean D. Bradshaw

J. Turbomach. March 2014, 136(3): 031006. doi: https://doi.org/10.1115/1.4024681

Abstract

View articletitled, Sensitivity of the Overall Effectiveness to Film Cooling and Internal Cooling on a Turbine Vane Suction Side

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Topics: Coolants , Cooling , Film cooling , Flow (Dynamics) , Suction , Temperature , Turbines , Momentum , Airfoils , Heat transfer

Rim Seal Ingestion in a Turbine Stage From 360 Degree Time-Dependent Numerical Simulations

Cheng-Zhang Wang, Senthil Prasad Mathiyalagan, Bruce V. Johnson, J. Axel Glahn, David F. Cloud

J. Turbomach. March 2014, 136(3): 031007. doi: https://doi.org/10.1115/1.4024684

Abstract

View articletitled, Rim Seal Ingestion in a Turbine Stage From 360 Degree Time-Dependent Numerical Simulations

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Topics: Blades , Cavities , Flow (Dynamics) , Pressure , Turbines , Computational fluid dynamics , Computer simulation , Coolants , Simulation , Rotors

Impact of an Upstream Film-Cooling Row on Mitigation of Secondary Combustion in a Fuel Rich Environment

Brian T. Bohan, David L. Blunck, Marc D. Polanka, Stanislav Kostka, Naibo Jiang, Scott D. Stouffer

J. Turbomach. March 2014, 136(3): 031008. doi: https://doi.org/10.1115/1.4024690

Abstract

View articletitled, Impact of an Upstream Film-Cooling Row on Mitigation of Secondary Combustion in a Fuel Rich Environment

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Topics: Combustion , Coolants , Cooling , Film cooling , Fuels , Heat flux , Temperature

Flow Field Investigations on the Effect of Rib Placement in a Cooling Channel With Film-Cooling

Martin Kunze, Konrad Vogeler

J. Turbomach. March 2014, 136(3): 031009. doi: https://doi.org/10.1115/1.4024691

Abstract

View articletitled, Flow Field Investigations on the Effect of Rib Placement in a Cooling Channel With Film-Cooling

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Topics: Coolants , Cooling , Film cooling , Flow (Dynamics) , Reynolds number , Turbulence

Heat-Flux Measurements for a Realistic Cooling Hole Pattern With Multiple Flow Conditions

Jeremy B. Nickol, Randall M. Mathison, Michael G. Dunn

J. Turbomach. March 2014, 136(3): 031010. doi: https://doi.org/10.1115/1.4024692

Abstract

View articletitled, Heat-Flux Measurements for a Realistic Cooling Hole Pattern With Multiple Flow Conditions

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Topics: Cooling , Flow (Dynamics) , Heat flux , Temperature , Gages , Coolants , Flat plates , Pressure

Study of the Flow in a Vaneless Diffuser at Part Speed Operating Conditions

Hamid R. Hazby, Liping Xu, Matthias Schleer

J. Turbomach. March 2014, 136(3): 031011. doi: https://doi.org/10.1115/1.4024693

Abstract

View articletitled, Study of the Flow in a Vaneless Diffuser at Part Speed Operating Conditions

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Topics: Flow (Dynamics) , Impellers , Vaneless diffusers , Diffusers

Numerical Investigation of the Unsteady Flow Inside a Centrifugal Compressor Stage With Pipe Diffuser

Daniel R. Grates, Peter Jeschke, Reinhard Niehuis

J. Turbomach. March 2014, 136(3): 031012. doi: https://doi.org/10.1115/1.4024873

Abstract

View articletitled, Numerical Investigation of the Unsteady Flow Inside a Centrifugal Compressor Stage With Pipe Diffuser

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Topics: Diffusers , Flow (Dynamics) , Impellers , Pressure , Pipes , Compressors

Optimization of Turbomachinery Flow Surfaces Applying a CFD-Based Throughflow Method

David Pasquale, Giacomo Persico, Stefano Rebay

J. Turbomach. March 2014, 136(3): 031013. doi: https://doi.org/10.1115/1.4024694

Abstract

View articletitled, Optimization of Turbomachinery Flow Surfaces Applying a CFD-Based Throughflow Method

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Topics: Blades , Design , Flow (Dynamics) , Optimization , Computational fluid dynamics , Turbomachinery , Geometry

The Effect of Surface Roughness on Laminar Separated Boundary Layers

Mark P. Simens, Ayse G. Gungor

J. Turbomach. March 2014, 136(3): 031014. doi: https://doi.org/10.1115/1.4025200

Abstract

View articletitled, The Effect of Surface Roughness on Laminar Separated Boundary Layers

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Topics: Surface roughness , Separation (Technology) , Bubbles , Boundary layers

Numerical Study of the Flow Past a Turbine Blade Tip: Effect of Relative Motion Between Blade and Shroud

Sumanta Acharya, Louis Moreaux

J. Turbomach. March 2014, 136(3): 031015. doi: https://doi.org/10.1115/1.4024842

Abstract

View articletitled, Numerical Study of the Flow Past a Turbine Blade Tip: Effect of Relative Motion Between Blade and Shroud

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Topics: Blades , Coolants , Flow (Dynamics) , Rotation , Heat transfer coefficients , Turbine blades , Pressure , Heat transfer , Film cooling , Suction

The Effect of Wet Compression on a Multistage Subsonic Compressor

Mingcong Luo, Qun Zheng, Lanxin Sun, Qingfeng Deng, Junjie Yang

J. Turbomach. March 2014, 136(3): 031016. doi: https://doi.org/10.1115/1.4025198

Abstract

View articletitled, The Effect of Wet Compression on a Multistage Subsonic Compressor

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Topics: Compression , Compressors , Water , Drops , Design

Numerical Analysis of Flow in a Transonic Compressor With a Single Circumferential Casing Groove: Influence of Groove Location and Depth on Flow Instability

Yasunori Sakuma, Toshinori Watanabe, Takehiro Himeno, Dai Kato, Takeshi Murooka, Yukari Shuto

J. Turbomach. March 2014, 136(3): 031017. doi: https://doi.org/10.1115/1.4025575

Abstract

View articletitled, Numerical Analysis of Flow in a Transonic Compressor With a Single Circumferential Casing Groove: Influence of Groove Location and Depth on Flow Instability

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Topics: Blades , Flow (Dynamics) , Leakage flows , Rotors , NASA , Compressors , Numerical analysis , Vortices , Leakage , Stability

A Low Pressure Turbine at Extreme Off-Design Operation

Martin Lipfert, Martin Marx, Martin G. Rose, Stephan Staudacher, Inga Mahle, Udo Freygang, Markus Brettschneider

J. Turbomach. March 2014, 136(3): 031018. doi: https://doi.org/10.1115/1.4025592

Abstract

View articletitled, A Low Pressure Turbine at Extreme Off-Design Operation

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

Coriolis Effects on the Flow Field Inside a Rotating Triangular Channel for Leading Edge Cooling

Matteo Pascotto, Alessandro Armellini, Claudio Mucignat, Luca Casarsa

J. Turbomach. March 2014, 136(3): 031019. doi: https://doi.org/10.1115/1.4025570

Abstract

View articletitled, Coriolis Effects on the Flow Field Inside a Rotating Triangular Channel for Leading Edge Cooling

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Topics: Computational fluid dynamics , Flow (Dynamics) , Rotation , Cooling , Turbulence , Coriolis force

Research Papers

Aeroperformance Measurements for a Fully Cooled High-Pressure Turbine Stage

Design Optimization of Casing Grooves Using Zipper Layer Meshing

A Computational Fluid Dynamics Study of Circumferential Groove Casing Treatment in a Transonic Axial Compressor

Multicolor Techniques for Identification and Filtering of Burst Signals in Jet Engine Pyrometers

Adiabatic and Overall Effectiveness for the Showerhead Film Cooling of a Turbine Vane

Sensitivity of the Overall Effectiveness to Film Cooling and Internal Cooling on a Turbine Vane Suction Side

Rim Seal Ingestion in a Turbine Stage From 360 Degree Time-Dependent Numerical Simulations

Impact of an Upstream Film-Cooling Row on Mitigation of Secondary Combustion in a Fuel Rich Environment

Flow Field Investigations on the Effect of Rib Placement in a Cooling Channel With Film-Cooling

Heat-Flux Measurements for a Realistic Cooling Hole Pattern With Multiple Flow Conditions

Study of the Flow in a Vaneless Diffuser at Part Speed Operating Conditions

Numerical Investigation of the Unsteady Flow Inside a Centrifugal Compressor Stage With Pipe Diffuser

Optimization of Turbomachinery Flow Surfaces Applying a CFD-Based Throughflow Method

The Effect of Surface Roughness on Laminar Separated Boundary Layers

Numerical Study of the Flow Past a Turbine Blade Tip: Effect of Relative Motion Between Blade and Shroud

The Effect of Wet Compression on a Multistage Subsonic Compressor

Numerical Analysis of Flow in a Transonic Compressor With a Single Circumferential Casing Groove: Influence of Groove Location and Depth on Flow Instability

A Low Pressure Turbine at Extreme Off-Design Operation

Coriolis Effects on the Flow Field Inside a Rotating Triangular Channel for Leading Edge Cooling

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