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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

Importance of Nonequilibrium Modeling for Compressors

Robert Spencer, Pawel Przytarski, Paolo Adami, Patrick Grothe, Andrew Wheeler

J. Turbomach. April 2023, 145(4): 041017.

Paper No: TURBO-22-1001

DOI: https://doi.org/10.1115/1.4054813

Published Online: March 2, 2023

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Topics: Blades, Boundary layers, Cascades (Fluid dynamics), Compressors, Equilibrium (Physics), Modeling, Reynolds-averaged Navier–Stokes equations, Shapes, Simulation, Suction

Journal Articles

The New Chapter of Transonic Compressor Cascade Design at the DLR

Edwin Joseph Munoz Lopez, Alexander Hergt, Sebastian Grund, Volker Gümmer

J. Turbomach.

Paper No: TURBO-22-1193

DOI: https://doi.org/10.1115/1.4056982

Published Online: February 24, 2023

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Topics: Cascades (Fluid dynamics), Compressors, Computational fluid dynamics, Design, Turbochargers

Journal Articles

Heat Transfer Coefficient and Adiabatic Wall Temperature Measurements on High-Pressure Turbine Nozzle Guide Vanes With Representative Inlet Swirl and Temperature Distortions

Tommaso Bacci, Alessio Picchi, Giulia Babazzi, Bruno Facchini, Simone Cubeda

J. Turbomach. July 2023, 145(7): 071010.

Paper No: TURBO-22-1143

DOI: https://doi.org/10.1115/1.4056713

Published Online: February 10, 2023

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Topics: Combustion chambers, Flow (Dynamics), Heat transfer coefficients, Nozzle guide vanes, Temperature, Turbines, Wall temperature, High pressure (Physics), Cascades (Fluid dynamics), Boundary-value problems

Journal Articles

The Influence of Turbulence and Reynolds Number on Endwall Heat Transfer in a Vane Cascade

Maliha Yel Mahi, Emmanuel Chukwuemeka, Shaun Donovan, Forrest Ames, Yousef Kanani, Sumanta Acharya

J. Turbomach. July 2023, 145(7): 071012.

Paper No: TURBO-22-1291

DOI: https://doi.org/10.1115/1.4056778

Published Online: February 10, 2023

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Topics: Cascades (Fluid dynamics), Heat transfer, Reynolds number, Turbulence, Flow (Dynamics), Pressure

Journal Articles

Aerodynamic Performance and Leakage Flow in Turbine Cascades With Sweeping Jet Actuators

Shaowen Chen, Weihang Li, Pengcheng Yang, Yueqi Liu

J. Turbomach. June 2023, 145(6): 061015.

Paper No: TURBO-22-1232

DOI: https://doi.org/10.1115/1.4056579

Published Online: January 30, 2023

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Topics: Actuators, Blades, Cascades (Fluid dynamics), Clearances (Engineering), Flow (Dynamics), Leakage flows, Turbines, Pressure, Flow control

Journal Articles

Experimental Subsonic Flutter of a Linear Turbine Blade Cascade With Various Mode Shapes and Chordwise Torsion Axis Locations

Petr Eret, Volodymyr Tsymbalyuk

J. Turbomach. June 2023, 145(6): 061002.

Paper No: TURBO-21-1237

DOI: https://doi.org/10.1115/1.4056204

Published Online: December 6, 2022

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Topics: Blades, Cascades (Fluid dynamics), Flutter (Aerodynamics), Mode shapes, Torsion, Stability

Journal Articles

Numerical Investigations on Effect of Inflow Parameters on Development of Secondary Flow Field for Linear Low-Pressure Turbine Cascade

Anand P. Darji, Beena D. Baloni, Chetan S. Mistry

J. Turbomach. May 2023, 145(5): 051008.

Paper No: TURBO-22-1273

DOI: https://doi.org/10.1115/1.4056093

Published Online: November 25, 2022

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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Inflow, Pressure, Turbines, Turbulence, Vortices, Design, Blades

Journal Articles

Performance Investigation of Airfoils for Axial Flow Fans in Low Solidity Cascades Operating at High Inlet Flow Angles

Carlo Cravero, Gabriele Milanese

J. Turbomach. March 2023, 145(3): 031002.

Paper No: TURBO-22-1155

DOI: https://doi.org/10.1115/1.4055610

Published Online: October 17, 2022

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Topics: Airfoils, Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Design, Drag (Fluid dynamics), Fans, Computational fluid dynamics

Journal Articles

Film Cooling and Cold Streaks Tracking on a Fully Cooled Nozzle Guide Vane Under Representative Combustor Outflow Conditions

G. Babazzi, T. Bacci, A. Picchi, B. Facchini, S. Cubeda

J. Turbomach. February 2023, 145(2): 021005.

Paper No: TURBO-22-1165

DOI: https://doi.org/10.1115/1.4055500

Published Online: October 12, 2022

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Topics: Combustion chambers, Coolants, Film cooling, Flow (Dynamics), Nozzle guide vanes, Oxygen, Pressure, Probes, Swirling flow, Temperature

Journal Articles

A Turbo-Oriented Data-Driven Modification to the Spalart–Allmaras Turbulence Model

Xiao He, Fanzhou Zhao, Mehdi Vahdati

J. Turbomach. December 2022, 144(12): 121007.

Paper No: TURBO-22-1148

DOI: https://doi.org/10.1115/1.4055333

Published Online: September 19, 2022

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Topics: Calibration, Cascades (Fluid dynamics), Compressors, Flow (Dynamics), NASA, Pressure, Rotors, Turbulence, Computational fluid dynamics, Corners (Structural elements)

Journal Articles

Loss Analysis of Cavity Leakage Flow in a Compressor Cascade

Hefang Deng, Kailong Xia, Jinfang Teng, Shaopeng Lu, Mingmin Zhu, Xiaoqing Qiang

J. Turbomach. December 2022, 144(12): 121008.

Paper No: TURBO-22-1156

DOI: https://doi.org/10.1115/1.4055334

Published Online: September 19, 2022

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Topics: Cascades (Fluid dynamics), Cavities, Clearances (Engineering), Compressors, Entropy, Flow (Dynamics), Leakage flows, Pressure, Boundary layers, Leakage

Journal Articles

The Unsteady Topology of Corner Separations

Ivo Dawkins, James Taylor, Xavier Ottavy, Rob Miller

J. Turbomach. November 2022, 144(11): 111001.

Paper No: TURBO-21-1255

DOI: https://doi.org/10.1115/1.4054676

Published Online: July 4, 2022

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Topics: Blades, Cascades (Fluid dynamics), Corners (Structural elements), Flow (Dynamics), Separation (Technology), Topology, Design, Boundary layers

Journal Articles

The Effect of Inlet Conditions on Turbine Endwall Loss

John D. Coull, Christopher J. Clark

J. Turbomach. October 2022, 144(10): 101011.

Paper No: TURBO-22-1038

DOI: https://doi.org/10.1115/1.4054443

Published Online: June 16, 2022

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Topics: Boundary layers, Computational fluid dynamics, Flow (Dynamics), Kinetic energy, Vorticity, Shapes, Turbines, Design, Cascades (Fluid dynamics)

Journal Articles

An Analysis of the Secondary Flow Around a Tandem Blade Under the Presence of a Tip Gap in a High-Speed Linear Compressor Cascade

Liesbeth Konrath, Dieter Peitsch, Alexander Heinrich

J. Turbomach. October 2022, 144(10): 101003.

Paper No: TURBO-21-1039

DOI: https://doi.org/10.1115/1.4051558

Published Online: April 19, 2022

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Topics: Blades, Flow (Dynamics), Compressors, Cascades (Fluid dynamics), Pressure, Clearances (Engineering)

Journal Articles

Low Reynolds Number Effects on the Separation and Wake of a Compressor Blade

Qiang Liu, Will Ager, Cesare Hall, Andrew P.S. Wheeler

J. Turbomach. October 2022, 144(10): 101008.

Paper No: TURBO-21-1221

DOI: https://doi.org/10.1115/1.4054148

Published Online: April 19, 2022

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Topics: Blades, Bubbles, Compressors, Flow (Dynamics), Pressure, Reynolds number, Separation (Technology), Turbulence, Wakes, Cascades (Fluid dynamics)

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

Effects of Rotation on the Flow Structure in a Compressor Cascade

Jordi Ventosa-Molina, Björn Koppe, Martin Lange, Ronald Mailach, Jochen Fröhlich

J. Turbomach. August 2022, 144(8): 081006.

Paper No: TURBO-21-1247

DOI: https://doi.org/10.1115/1.4053537

Published Online: March 3, 2022

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Topics: Blades, Coriolis force, Flow (Dynamics), Rotation, Vortices, Cascades (Fluid dynamics), Pressure, Simulation

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

A High-Speed Disk Rotor Rig Design for Tip Aerothermal Research

S. Lu, Q. Zhang, L. He

J. Turbomach. May 2022, 144(5): 051002.

Paper No: TURBO-21-1082

DOI: https://doi.org/10.1115/1.4052603

Published Online: November 15, 2021

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Topics: Design, Disks, Rotors, Computational fluid dynamics, Flow (Dynamics), Mach number, Cascades (Fluid dynamics), Heat transfer

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Journal citation

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Manuscript

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

Importance of Nonequilibrium Modeling for Compressors

The New Chapter of Transonic Compressor Cascade Design at the DLR

Heat Transfer Coefficient and Adiabatic Wall Temperature Measurements on High-Pressure Turbine Nozzle Guide Vanes With Representative Inlet Swirl and Temperature Distortions

The Influence of Turbulence and Reynolds Number on Endwall Heat Transfer in a Vane Cascade

Aerodynamic Performance and Leakage Flow in Turbine Cascades With Sweeping Jet Actuators

Experimental Subsonic Flutter of a Linear Turbine Blade Cascade With Various Mode Shapes and Chordwise Torsion Axis Locations

Numerical Investigations on Effect of Inflow Parameters on Development of Secondary Flow Field for Linear Low-Pressure Turbine Cascade

Performance Investigation of Airfoils for Axial Flow Fans in Low Solidity Cascades Operating at High Inlet Flow Angles

Film Cooling and Cold Streaks Tracking on a Fully Cooled Nozzle Guide Vane Under Representative Combustor Outflow Conditions

A Turbo-Oriented Data-Driven Modification to the Spalart–Allmaras Turbulence Model

Loss Analysis of Cavity Leakage Flow in a Compressor Cascade

The Unsteady Topology of Corner Separations

The Effect of Inlet Conditions on Turbine Endwall Loss

An Analysis of the Secondary Flow Around a Tandem Blade Under the Presence of a Tip Gap in a High-Speed Linear Compressor Cascade

Low Reynolds Number Effects on the Separation and Wake of a Compressor Blade

A Comprehensive Analytical Shock Loss Model for Axial Compressor Cascades

Effects of Rotation on the Flow Structure in a Compressor Cascade

Aero-Structural Coupling Strategy for a Morphing Blade Cascade Study

A High-Speed Disk Rotor Rig Design for Tip Aerothermal Research

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