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Journal Articles

Quasi-dynamic approximation of unsteady pressure distribution for transonic airfoils in flutter

Jan Lepicovsky, David Simurda, Robert Kielb, Petr Sidlof, Martin Stepan

J. Turbomach.

Paper No: TURBO-22-1366

DOI: https://doi.org/10.1115/1.4062181

Published Online: March 21, 2023

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Topics: Airfoils, Approximation, Flutter (Aerodynamics), Pressure, Turbochargers, Blades, Design, Turbomachinery, Cascades (Fluid dynamics), Flow (Dynamics)

Journal Articles

Using Machine Learning for Loss Prediction in a Hybrid Meanline Modeling Method to Deliver Improved Radial Turbine Performance Prediction

Pangbo Ren, Charles Stuart, Stephen Spence, Ryosuke Inomata, Takayuki Kobayashi, Isao Morita

J. Turbomach. July 2023, 145(7): 071013.

Paper No: TURBO-22-1300

DOI: https://doi.org/10.1115/1.4056777

Published Online: February 10, 2023

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Topics: Computational fluid dynamics, Flow (Dynamics), Geometry, Machine learning, Modeling, Rotors, Turbines, Nozzles, Turbochargers, Artificial neural networks

Journal Articles

On the Effect of Side Clearance in the Vaned Diffuser of a Centrifugal Compressor

Lee Gibson, Stephen Spence, Charles Stuart, Andre Starke, Sung In Kim

J. Turbomach. July 2023, 145(7): 071006.

Paper No: TURBO-22-1334

DOI: https://doi.org/10.1115/1.4056714

Published Online: February 10, 2023

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Topics: Clearances (Engineering), Compressors, Computational fluid dynamics, Diffusers, Flow (Dynamics), Geometry, Pressure, Surges, Stability

Journal Articles

Collaborative Robust Design Optimization of Blade Geometry and Manufacturing Tolerance for a Transonic Centrifugal Impeller

Yiming Liu, Yaping Ju, Ruihong Qin, Wei Jiang, Stephen Spence, Chuhua Zhang

J. Turbomach. July 2023, 145(7): 071001.

Paper No: TURBO-22-1123

DOI: https://doi.org/10.1115/1.4056680

Published Online: February 9, 2023

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Topics: Blades, Design, Errors, Geometry, Impellers, Manufacturing, Optimization, Uncertainty quantification, Flow (Dynamics), Computational fluid dynamics

Journal Articles

Investigation of a Novel Turbine Housing to Produce a Nonuniform Spanwise Flow Field at the Inlet to a Mixed Flow Turbine and Provide Variable Geometry Capabilities

Richard Morrison, Stephen Spence, Charles Stuart, Sung In Kim, Andre Starke, Thomas Leonard

J. Turbomach. June 2023, 145(6): 061013.

Paper No: TURBO-22-1033

DOI: https://doi.org/10.1115/1.4056388

Published Online: January 30, 2023

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Topics: Design, Flow (Dynamics), Rotors, Turbines, Geometry

Journal Articles

TURBINE VANE PASSAGE COOLING EXPERIMENTS WITH A CLOSE-COUPLED COMBUSTOR- TURBINE INTERFACE GEOMETRY PART 1: DESCRIBING THE FLOW

Kedar Nawathe, Aaditya R. Nath, Yong Kim, Terrence Simon

J. Turbomach.

Paper No: TURBO-22-1251

DOI: https://doi.org/10.1115/1.4056439

Published Online: December 8, 2022

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Topics: Combustion chambers, Cooling, Flow (Dynamics), Fluid dynamics, Gas turbines, Geometry, Turbines, Turbochargers, Coolants, Heat transfer

Journal Articles

Impact of Trailing Edge Overhang Length on the Loss Characteristics of Fully Cooled Transonic Nozzle Guide Vanes

Daniel Burdett, Thomas Povey

J. Turbomach. May 2023, 145(5): 051012.

Paper No: TURBO-21-1060

DOI: https://doi.org/10.1115/1.4056056

Published Online: December 6, 2022

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Topics: Boundary layers, Computational fluid dynamics, Flow (Dynamics), Geometry, Pressure, Vortex shedding, Wakes, Coolants, Design, Nozzle guide vanes

Journal Articles

New Concept for Design in Turbomachinery Applications Using Full RANS Gradient Methodology

Armando Del Rio, Ernesto Casartelli, Benno Fleischli, Luca Mangani

J. Turbomach. April 2023, 145(4): 041009.

Paper No: TURBO-22-1256

DOI: https://doi.org/10.1115/1.4055869

Published Online: November 7, 2022

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Topics: Compressors, Computational fluid dynamics, Deformation, Design, Diffusers, Flow (Dynamics), Geometry, Machinery, Optimization, Pressure

Journal Articles

Metamodel-Interpreted Data Mining for Stability and Efficiency Enhancement of Multistage Axial-Flow Compressors

Xiawen Zhang, Yaping Ju, Zhen Li, Feng Liu, Chuhua Zhang

J. Turbomach. April 2023, 145(4): 041001.

Paper No: TURBO-22-1056

DOI: https://doi.org/10.1115/1.4055766

Published Online: November 3, 2022

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Topics: Axial flow, Blades, Compressors, Data mining, Design, Stability, Stators, Computational fluid dynamics, Geometry

Journal Articles

Unsteady Gas Dynamics of Radial Turbine Volutes Under Pressure Pulsations

Bijie Yang, Yingxian Xue, Ricardo Martinez-Botas, Mingyang Yang

J. Turbomach. March 2023, 145(3): 031013.

Paper No: TURBO-22-1223

DOI: https://doi.org/10.1115/1.4055644

Published Online: October 20, 2022

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Topics: Computational fluid dynamics, Flow (Dynamics), Pressure, Rotors, Turbines, Geometry

Journal Articles

An Iterative Neural Operator to Predict the Thermo-Fluid Information in Internal Cooling Channels

Li Yang, Qi Wang, Yu Rao

J. Turbomach. December 2022, 144(12): 121005.

Paper No: TURBO-22-1128

DOI: https://doi.org/10.1115/1.4055335

Published Online: September 15, 2022

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Topics: Artificial neural networks, Cooling, Errors, Heat flux, Heat transfer, Partial differential equations, Physics, Pressure, Temperature, Thermofluids

Journal Articles

Uncertainty Quantification on the Cooling Performance of a Transonic Turbine Vane With Upstream Endwall Misalignment

Mingyang Hao, Bo Bai, Yuanyuan Li, Zhigang Li, Jun Li

J. Turbomach. December 2022, 144(12): 121004.

Paper No: TURBO-22-1124

DOI: https://doi.org/10.1115/1.4055269

Published Online: September 15, 2022

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Topics: Coolants, Cooling, Film cooling, Flow (Dynamics), Phantom cooling, Pressure, Uncertainty quantification, Geometry, Design, Uncertainty

Journal Articles

Fan Stability With Leading Edge Damage: Blind Prediction and Validation

E. J. Gunn, T. Brandvik, M. J. Wilson, R. Maxwell

J. Turbomach. September 2022, 144(9): 091015.

Paper No: TURBO-22-1072

DOI: https://doi.org/10.1115/1.4054970

Published Online: August 1, 2022

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Topics: Blades, Computational fluid dynamics, Damage, Flow (Dynamics), Pressure, Rotors, Simulation, Stability, Stall inception, Separation (Technology)

Journal Articles

Investigating the Influence of Mainstream Turbulence and Large Vortices on Gas Turbine Trenched Film Cooling Flows Using Planar Temperature-Velocity Imaging

Michael Straußwald, Tobias Sander, Christopher Abram, Michael Pfitzner

J. Turbomach. October 2022, 144(10): 101013.

Paper No: TURBO-21-1260

DOI: https://doi.org/10.1115/1.4054215

Published Online: July 4, 2022

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Topics: Cooling, Film cooling, Flow (Dynamics), Temperature, Turbulence, Momentum, Geometry, Vortices

Journal Articles

Numerical Calibration and Investigation of the Influence of Reynolds Number on Measurements With Five-Hole Probes in Compressible Flows

Christian Schäffer, Konstantin Speck, Volker Gümmer

J. Turbomach. September 2022, 144(9): 091010.

Paper No: TURBO-21-1169

DOI: https://doi.org/10.1115/1.4053835

Published Online: March 4, 2022

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Topics: Calibration, Pressure, Probes, Reynolds number, Yaw, Errors, Geometry

Journal Articles

Reduced-Order Models for Effusion Modeling in Gas Turbine Combustors

Simone Paccati, Lorenzo Mazzei, Antonio Andreini, Bruno Facchini

J. Turbomach. August 2022, 144(8): 081013.

Paper No: TURBO-21-1210

DOI: https://doi.org/10.1115/1.4053837

Published Online: March 4, 2022

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Topics: Combustion chambers, Computational fluid dynamics, Coolants, Flow (Dynamics), Modeling, Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence, Experimental design, Gas turbines

Journal Articles

A Comprehensive Analytical Shock Loss Model for Axial Compressor Cascades

Milan Banjac, Teodora Savanovic, Djordje Petkovic, Milan V. Petrovic

J. Turbomach. September 2022, 144(9): 091003.

Paper No: TURBO-22-1012

DOI: https://doi.org/10.1115/1.4053852

Published Online: March 4, 2022

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Topics: Flow (Dynamics), Geometry, Mach number, Pressure, Shock (Mechanics), Blades, Cascades (Fluid dynamics), Airfoils, Compressors

Journal Articles

Machine Learning for the Development of Data-Driven Turbulence Closures in Coolant Systems

James Hammond, Francesco Montomoli, Marco Pietropaoli, Richard D. Sandberg, Vittorio Michelassi

J. Turbomach. August 2022, 144(8): 081003.

Paper No: TURBO-20-1174

DOI: https://doi.org/10.1115/1.4053533

Published Online: March 3, 2022

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Topics: Anisotropy, Design, Errors, Flow (Dynamics), Geometry, Heat transfer, Reynolds-averaged Navier–Stokes equations, Tensors, Testing, Turbulence

Journal Articles

Aero-Structural Coupling Strategy for a Morphing Blade Cascade Study

Giada Abate, Johannes Riemenschneider, Alexander Hergt

J. Turbomach. June 2022, 144(6): 061002.

Paper No: TURBO-21-1095

DOI: https://doi.org/10.1115/1.4053174

Published Online: January 28, 2022

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Topics: Actuators, Blades, Cascades (Fluid dynamics), Computational fluid dynamics, Geometry, Pressure, Stress, Structural analysis, Airfoils

Journal Articles

Stator Blades Manufacturing Geometrical Variability in Axial Compressors and Impact on the Aeroelastic Excitation Forces

Marco Gambitta, Arnold Kühhorn, Bernd Beirow, Sven Schrape

J. Turbomach. April 2022, 144(4): 041007.

Paper No: TURBO-21-1172

DOI: https://doi.org/10.1115/1.4052602

Published Online: November 5, 2021

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Topics: Blades, Compressors, Manufacturing, Rotors, Stators, Uncertainty quantification, Geometry, Excitation, Uncertainty

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Journal citation

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Quasi-dynamic approximation of unsteady pressure distribution for transonic airfoils in flutter

Using Machine Learning for Loss Prediction in a Hybrid Meanline Modeling Method to Deliver Improved Radial Turbine Performance Prediction

On the Effect of Side Clearance in the Vaned Diffuser of a Centrifugal Compressor

Collaborative Robust Design Optimization of Blade Geometry and Manufacturing Tolerance for a Transonic Centrifugal Impeller

Investigation of a Novel Turbine Housing to Produce a Nonuniform Spanwise Flow Field at the Inlet to a Mixed Flow Turbine and Provide Variable Geometry Capabilities

TURBINE VANE PASSAGE COOLING EXPERIMENTS WITH A CLOSE-COUPLED COMBUSTOR- TURBINE INTERFACE GEOMETRY PART 1: DESCRIBING THE FLOW

Impact of Trailing Edge Overhang Length on the Loss Characteristics of Fully Cooled Transonic Nozzle Guide Vanes

New Concept for Design in Turbomachinery Applications Using Full RANS Gradient Methodology

Metamodel-Interpreted Data Mining for Stability and Efficiency Enhancement of Multistage Axial-Flow Compressors

Unsteady Gas Dynamics of Radial Turbine Volutes Under Pressure Pulsations

An Iterative Neural Operator to Predict the Thermo-Fluid Information in Internal Cooling Channels

Uncertainty Quantification on the Cooling Performance of a Transonic Turbine Vane With Upstream Endwall Misalignment

Fan Stability With Leading Edge Damage: Blind Prediction and Validation

Investigating the Influence of Mainstream Turbulence and Large Vortices on Gas Turbine Trenched Film Cooling Flows Using Planar Temperature-Velocity Imaging

Numerical Calibration and Investigation of the Influence of Reynolds Number on Measurements With Five-Hole Probes in Compressible Flows

Reduced-Order Models for Effusion Modeling in Gas Turbine Combustors

A Comprehensive Analytical Shock Loss Model for Axial Compressor Cascades

Machine Learning for the Development of Data-Driven Turbulence Closures in Coolant Systems

Aero-Structural Coupling Strategy for a Morphing Blade Cascade Study

Stator Blades Manufacturing Geometrical Variability in Axial Compressors and Impact on the Aeroelastic Excitation Forces

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