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Journal Articles

UNSTEADY PRE-STALL BEHAVIOR IN A CENTRIFUGAL COMPRESSOR WITH VANED DIFFUSER

Accepted Manuscript
Yutaro Suzuki, Nobumichi Fujisawa, Yutaka Ohta
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1255
https://doi.org/10.1115/1.4064136
Published Online: November 23, 2023
View Article titled, UNSTEADY PRE-STALL BEHAVIOR IN A CENTRIFUGAL COMPRESSOR WITH VANED DIFFUSER
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Topics: Compressors, Diffusers, Turbochargers
Journal Articles

Analysis of cavity disk heat transfer by solving inverse heat transfer problem

Accepted Manuscript
Eric Diemel, Stefan Odenbach, Wieland Uffrecht, Jose Rey Villazon, Antonio Guijarro Valencia
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Briefs
J. Turbomach.
Paper No: TURBO-22-1296
https://doi.org/10.1115/1.4064119
Published Online: November 20, 2023
View Article titled, Analysis of cavity disk heat transfer by solving inverse heat transfer problem
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Topics: Cavities, Compressors, Disks, Heat transfer, Turbochargers
Journal Articles

Optimization of Three-Dimensional Blade and Variable Stators for Efficiency and Stability Enhancement of Multi-stage Axial Flow Compressor at Variable Speeds

Accepted Manuscript
Xiawen Zhang, Yaping Ju, Zhen Li, Feng Liu, Chuhua Zhang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1065
https://doi.org/10.1115/1.4064080
Published Online: November 17, 2023
View Article titled, Optimization of Three-Dimensional Blade and Variable Stators for Efficiency and Stability Enhancement of Multi-stage Axial Flow Compressor at Variable Speeds
Open the PDF for Optimization of Three-Dimensional Blade and Variable Stators for Efficiency and Stability Enhancement of Multi-stage Axial Flow Compressor at Variable Speeds in another window
Topics: Axial flow, Blades, Compressors, Design, Optimization, Stability, Stators, Turbochargers, Inlet guide vanes, Geometry
Journal Articles

Experimental Investigation of the Effect of Bleed on the Aerodynamics of a Low-Pressure Compressor Stage in a Turbofan Engine

Accepted Manuscript
Apostolos Spanellis, Paul Denman, Ian Mariah, A Duncan Walker
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1181
https://doi.org/10.1115/1.4064084
Published Online: November 17, 2023
View Article titled, Experimental Investigation of the Effect of Bleed on the Aerodynamics of a Low-Pressure Compressor Stage in a Turbofan Engine
Open the PDF for Experimental Investigation of the Effect of Bleed on the Aerodynamics of a Low-Pressure Compressor Stage in a Turbofan Engine in another window
Topics: Aerodynamics, Compressors, Design, Engines, Pressure, Turbochargers, Turbofans
Journal Articles

A Method for Preliminary Design of Variable Geometry Vaned Diffuser for Centrifugal Compressor

Accepted Manuscript
Hideaki Tamaki, Satoshi Yamaguchi
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1226
https://doi.org/10.1115/1.4064083
Published Online: November 17, 2023
View Article titled, A Method for Preliminary Design of Variable Geometry Vaned Diffuser for Centrifugal Compressor
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Topics: Compressors, Design, Diffusers, Geometry, Turbochargers
Journal Articles

A Model of Mass and Heat Transfer for Disc Temperature Prediction in Open Compressor Cavities

Accepted Manuscript
Tom Nicholas, James Scobie, Gary D Lock, Hui Tang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1238
https://doi.org/10.1115/1.4064082
Published Online: November 17, 2023
View Article titled, A Model of Mass and Heat Transfer for Disc Temperature Prediction in Open Compressor Cavities
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Topics: Cavities, Compressors, Disks, Heat transfer, Temperature, Turbochargers
Journal Articles

Experimental Investigations on the Effects of Surface Roughness for Compressor Cascades With Different Roughness Magnitude and Location

Xianjun Yu, Shouyang Zhao, Guangfeng An, Yuhang Xu, Xiaobin Xu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031007.
Paper No: TURBO-22-1111
https://doi.org/10.1115/1.4063973
Published Online: November 16, 2023
View Article titled, Experimental Investigations on the Effects of Surface Roughness for Compressor Cascades With Different Roughness Magnitude and Location
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Topics: Blades, Flow (Dynamics), Pressure, Surface roughness, Compressors, Cascades (Fluid dynamics), Suction, Boundary layers
Journal Articles

Unsteady Flow Structure of Corner Separation in a Highly Loaded Compressor Cascade

Weibo Zhong, Yangwei Liu, Yumeng Tang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031003.
Paper No: TURBO-23-1220
https://doi.org/10.1115/1.4063926
Published Online: November 16, 2023
View Article titled, Unsteady Flow Structure of Corner Separation in a Highly Loaded Compressor Cascade
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Topics: Cascades (Fluid dynamics), Compressors, Corners (Structural elements), Flow (Dynamics), Pressure, Separation (Technology), Unsteady flow, Vortices, Blades, Delay differential equations
Journal Articles

Design of Aerodynamically Balanced Transonic Compressor Rotors

Demetrios Lefas, Robert J. Miller
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021011.
Paper No: TURBO-23-1203
https://doi.org/10.1115/1.4063881
Published Online: November 16, 2023
View Article titled, Design of Aerodynamically Balanced Transonic Compressor Rotors
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Topics: Blades, Design, Rotors, Compressors, Shock (Mechanics), Flow (Dynamics)
Journal Articles

A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme—Part II: Shock Capturing and Transonic Flows

Bjoern F. Klose, Christian Morsbach, Michael Bergmann, Alexander Hergt, Joachim Klinner, Sebastian Grund, Edmund Kügeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021006.
Paper No: TURBO-23-1169
https://doi.org/10.1115/1.4063827
Published Online: November 13, 2023
View Article titled, A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme—Part II: Shock Capturing and Transonic Flows
Open the PDF for A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme—Part II: Shock Capturing and Transonic Flows in another window
Topics: Flow (Dynamics), Shock (Mechanics), Cascades (Fluid dynamics), Compressors, Simulation, Turbines, Large eddy simulation
Journal Articles

Direct Numerical Simulation of transitional and turbulent flows over multi-scale surface roughness - Part II: the effect of roughness on the performance of a high-pressure turbine blade

Accepted Manuscript
Massimiliano Nardini, Thomas Jelly, Melissa Kozul, Richard Sandberg, Paul Vitt, Greg Sluyter
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1225
https://doi.org/10.1115/1.4063974
Published Online: November 2, 2023
View Article titled, Direct Numerical Simulation of transitional and turbulent flows over multi-scale surface roughness - Part II: the effect of roughness on the performance of a high-pressure turbine blade
Open the PDF for Direct Numerical Simulation of transitional and turbulent flows over multi-scale surface roughness - Part II: the effect of roughness on the performance of a high-pressure turbine blade in another window
Topics: Computer simulation, High pressure (Physics), Surface roughness, Turbine blades, Turbochargers, Turbulence, Blades, Flow (Dynamics), Computational fluid dynamics, Engines
Journal Articles

Methodology and Validation of Surge Modeling in a Three-Shaft Compression System

Fanzhou Zhao, Jose Moreno, John Dodds, Mehdi Vahdati
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2023, 145(12): 121006.
Paper No: TURBO-22-1024
https://doi.org/10.1115/1.4063506
Published Online: October 19, 2023
View Article titled, Methodology and Validation of Surge Modeling in a Three-Shaft Compression System
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Topics: Flow (Dynamics), Surges, Compressors, Pressure, Compression, Computational fluid dynamics
Journal Articles

Attenuation of Detrimental Hub Leakage Effects in an Axial Compressor Rotor by Customized Geometrical Design Features

Jannik Petermann, Kevin Schulz, Bernd Becker, Volker Gümmer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2023, 145(12): 121007.
Paper No: TURBO-23-1154
https://doi.org/10.1115/1.4063508
Published Online: October 19, 2023
View Article titled, Attenuation of Detrimental Hub Leakage Effects in an Axial Compressor Rotor by Customized Geometrical Design Features
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Topics: Compressors, Design, Flow (Dynamics), Geometry, Leakage, Pressure, Rotors, Disks, Blades, Cavities
Journal Articles

Pressure Characteristic Rollover of a Transonic Centrifugal Impeller

Teng Cao, Yoshihiro Hayashi, Isao Tomita
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2023, 145(12): 121011.
Paper No: TURBO-23-1175
https://doi.org/10.1115/1.4063517
Published Online: October 19, 2023
View Article titled, Pressure Characteristic Rollover of a Transonic Centrifugal Impeller
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Topics: Compressors, Flow (Dynamics), Impellers, Pressure, Blades, Compressibility
Journal Articles

Experimental Investigation of Transient Flow Phenomena in Rotating Compressor Cavities

Mikolaj J. Pernak, Tom E. W. Nicholas, Jake T. Williams, Richard W. Jackson, Hui Tang, Gary D. Lock, James A. Scobie
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2023, 145(12): 121005.
Paper No: TURBO-23-1143
https://doi.org/10.1115/1.4063507
Published Online: October 19, 2023
View Article titled, Experimental Investigation of Transient Flow Phenomena in Rotating Compressor Cavities
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Topics: Cavities, Disks, Flow (Dynamics), Heat transfer, Temperature, Transients (Dynamics), Compressors, Steady state, Buoyancy
Journal Articles

Numerical Investigation of the Influence of the Degree of Reaction in an Axial Compressor Stage With Tandem Vanes

Samuele Giannini, Guilherme M. Luz, Philipp von Jeinsen, Mattia Straccia, Volker Gümmer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2023, 145(12): 121008.
Paper No: TURBO-23-1151
https://doi.org/10.1115/1.4063513
Published Online: October 19, 2023
View Article titled, Numerical Investigation of the Influence of the Degree of Reaction in an Axial Compressor Stage With Tandem Vanes
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Topics: Compressors, Design, Diffusion (Physics), Flow (Dynamics), Pressure, Rotors, Stators, Blades, Computational fluid dynamics, Airfoils
Journal Articles

Direct Numerical Simulation of transitional and turbulent flows over multi-scale surface roughness - Part I: methodology and challenges

Accepted Manuscript
Massimiliano Nardini, Melissa Kozul, Thomas Jelly, Richard Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1172
https://doi.org/10.1115/1.4063753
Published Online: October 12, 2023
View Article titled, Direct Numerical Simulation of transitional and turbulent flows over multi-scale surface roughness - Part I: methodology and challenges
Open the PDF for Direct Numerical Simulation of transitional and turbulent flows over multi-scale surface roughness - Part I: methodology and challenges in another window
Topics: Computer simulation, Surface roughness, Turbines, Turbochargers, Turbulence, Blades, Computational fluid dynamics, Geometry, High pressure (Physics), Simulation
Journal Articles

NUMERICAL INVESTIGATION OF THE INTERACTION OF A CIRCUMFERENTIAL GROOVE CASING TREATMENT AND NEAR-TIP MODIFICATIONS FOR A HIGHLY-LOADED LOW-SPEED ROTOR UNDER THE INFLUENCE OF DOUBLE LEAKAGE

Accepted Manuscript
Jannik Eckel, Lukas Reisinger, Philipp von Jeinsen, Volker Gümmer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1211
https://doi.org/10.1115/1.4063756
Published Online: October 12, 2023
View Article titled, NUMERICAL INVESTIGATION OF THE INTERACTION OF A CIRCUMFERENTIAL GROOVE CASING TREATMENT AND NEAR-TIP MODIFICATIONS FOR A HIGHLY-LOADED LOW-SPEED ROTOR UNDER THE INFLUENCE OF DOUBLE LEAKAGE
Open the PDF for NUMERICAL INVESTIGATION OF THE INTERACTION OF A CIRCUMFERENTIAL GROOVE CASING TREATMENT AND NEAR-TIP MODIFICATIONS FOR A HIGHLY-LOADED LOW-SPEED ROTOR UNDER THE INFLUENCE OF DOUBLE LEAKAGE in another window
Topics: Compressors, Leakage, Rotors, Turbochargers, Blades, Computational fluid dynamics, Design, Flow (Dynamics), Pressure, Numerical analysis
Journal Articles

Characterizing Shrouded Stator Cavity Flow on the Performance of a Single-Stage Axial Transonic Compressor

Runzhu Shao, Xiao He, Mingmin Zhu, Fabian Klausmann, Jinfang Teng
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2023, 145(11): 111004.
Paper No: TURBO-23-1147
https://doi.org/10.1115/1.4063296
Published Online: September 14, 2023
View Article titled, Characterizing Shrouded Stator Cavity Flow on the Performance of a Single-Stage Axial Transonic Compressor
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Topics: Cavities, Compressors, Flow (Dynamics), Leakage, Leakage flows, Pressure, Stators, Cavity flows, Computer simulation
Journal Articles

Axial Ventilation and Blade Row Effects on Transient Natural Convective Shutdown Cooling in a Gas Turbine

Daniel D. Fahy, Peter Ireland
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2023, 145(11): 111003.
Paper No: TURBO-22-1267
https://doi.org/10.1115/1.4063246
Published Online: September 14, 2023
View Article titled, Axial Ventilation and Blade Row Effects on Transient Natural Convective Shutdown Cooling in a Gas Turbine
Open the PDF for Axial Ventilation and Blade Row Effects on Transient Natural Convective Shutdown Cooling in a Gas Turbine in another window
Topics: Annulus, Blades, Cooling, Cylinders, Gas turbines, Heat flux, Temperature, Transients (Dynamics), Ventilation, Computational fluid dynamics