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Proceedings Papers

Investigation of the Flow Field and the Pressure Recovery in a Gas Turbine Exhaust Diffuser at Design, Part-Load and Over-Load Condition

Maximilian Bauer, Simon Hummel, Markus Schatz, Martin Kegalj, Damian M. Vogt

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A009, September 21–25, 2020

Paper No: GT2020-14310

DOI: https://doi.org/10.1115/GT2020-14310

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Topics: Design, Diffusers, Exhaust systems, Flow (Dynamics), Gas turbines, Pressure, Stress, Computational fluid dynamics, Separation (Technology), Mach number

Proceedings Papers

Numerical Simulation of the Effect of the Tip Clearance Flow on Rotor-Stator Interaction Tone Noise in Axial-Flow Fan

Wang Liangfeng, Xiang Kangshen, Mao Luqin, Tong Hang, Qiao Weiyang

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A004, September 21–25, 2020

Paper No: GT2020-14179

DOI: https://doi.org/10.1115/GT2020-14179

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Topics: Axial flow, Clearances (Engineering), Computer simulation, Flow (Dynamics), Noise (Sound), Rotors, Stators

Proceedings Papers

Super Aggressive S-Ducts for Air Breathing Rocket Engines

J. V. Taylor, F. Flanagan, A. Dunlop, S. D. Grimshaw, R. J. Miller

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A014, September 21–25, 2020

Paper No: GT2020-14927

DOI: https://doi.org/10.1115/GT2020-14927

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Topics: Ducts, Rocket engines, Design, Aerospace industry, Compressors, Computational fluid dynamics, Flow (Dynamics), Gas turbines, Blades, Corners (Structural elements)

Proceedings Papers

Influences of Turbulence Boundary Conditions on RANS and URANS Simulations for an Inter-Turbine Duct

Alessio Firrito, Yannick Bousquet, Nicolas Binder, Ludovic Pintat

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A019, September 21–25, 2020

Paper No: GT2020-15417

DOI: https://doi.org/10.1115/GT2020-15417

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Topics: Boundary-value problems, Ducts, Engineering simulation, Reynolds-averaged Navier–Stokes equations, Simulation, Turbines, Turbulence, Flow (Dynamics), Design, Aircraft engines

Proceedings Papers

Control of the Aero-Engine Nacelle Intake Flow Separation Caused by Crosswind Condition Using Plasma Actuation

Haideng Zhang, Yun Wu, Xianjun Yu, Yinghong Li, Qikun He

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A010, September 21–25, 2020

Paper No: GT2020-14444

DOI: https://doi.org/10.1115/GT2020-14444

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Topics: Aircraft engines, Flow separation, Plasmas (Ionized gases), Flow control, Flow (Dynamics), Waves

Proceedings Papers

Numerical Study on Duct Acoustic Modal and Source Flow Structure of Fan Tones With Leaned and Swept Stator

Wang Liangfeng, Mao Luqin, Xiang Kangshen, Duan Wenhua, Tong Hang, Qiao Weiyang

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A005, September 21–25, 2020

Paper No: GT2020-14180

DOI: https://doi.org/10.1115/GT2020-14180

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Topics: Acoustics, Axial flow, Blades, Ducts, Flow (Dynamics), Stators

Proceedings Papers

Effect of Matching Parameters Between Rotor and Diffuser on the Flow Loss Characteristic in an Axial Turbine

Xing Wang, Yangli Zhu, Wen Li, Xuehui Zhang, Haisheng Chen

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A015, September 21–25, 2020

Paper No: GT2020-15117

DOI: https://doi.org/10.1115/GT2020-15117

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Topics: Diffusers, Flow (Dynamics), Rotors, Turbines

Proceedings Papers

Effect of Struts Downstream of Low Pressure Turbine on Tone Noise Generation

Ravil Nigmatullin, Larisa Terenteva

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A020, September 21–25, 2020

Paper No: GT2020-15575

DOI: https://doi.org/10.1115/GT2020-15575

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Topics: Noise (Sound), Pressure, Turbines

Proceedings Papers

DGEN Aeropropulsion Research Turbofan Core/Combustor-Noise Measurements: Experiment and Modal Structure at Core-Nozzle Exit

Devin K. Boyle, Brenda S. Henderson, Lennart S. Hultgren

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A006, September 21–25, 2020

Paper No: GT2020-14194

DOI: https://doi.org/10.1115/GT2020-14194

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Topics: Combustion chambers, Noise (Sound), Nozzles, Turbofans

Proceedings Papers

Analysis of Aeroacoustic Phenomena in Centrifugal Compressors Using a Lattice Boltzmann Flow Simulation Approach

Rahul Phogat, Néstor González Díez, Jan Smeulers, Damiano Casalino, Francesco Avallone

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A001, September 21–25, 2020

Paper No: GT2020-14157

DOI: https://doi.org/10.1115/GT2020-14157

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Topics: Acoustics, Compressors, Flow simulation, Lattice Boltzmann methods, Resonance, Impellers, Flow (Dynamics), Pressure, Vibration, Accounting

Proceedings Papers

Experimental Investigation of Gas Turbine Axial Diffuser Performance: Part I — Parametric Analysis of Influential Variables

Kenneth Brown, Stephen Guillot, Wing Ng, Lee Iksang, Kim Dongil, Giwon Hong

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A016, September 21–25, 2020

Paper No: GT2020-15299

DOI: https://doi.org/10.1115/GT2020-15299

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Topics: Design, Diffusers, Flow (Dynamics), Gas turbines, Kinetic energy, Pressure

Proceedings Papers

3D Multi-Solver Coupled Simulation of Combustor-Turbine Interaction in an Aero-Engine

Yufang Zhang, Kai Lei

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A011, September 21–25, 2020

Paper No: GT2020-14540

DOI: https://doi.org/10.1115/GT2020-14540

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Topics: Aircraft engines, Combustion chambers, Simulation, Turbines, Flow (Dynamics), Guide vanes, Pressure, Temperature, Temperature nonunifomity, Turbine components

Proceedings Papers

A Numerical Investigation Into Secondary Flows at the Inlet to a Low-Pressure Compressor Transition Duct

Dimitra Tsakmakidou, A. Duncan Walker, Chris Hall

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A021, September 21–25, 2020

Paper No: GT2020-16065

DOI: https://doi.org/10.1115/GT2020-16065

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Topics: Compressors, Computational fluid dynamics, Ducts, Flow (Dynamics), Pressure

Proceedings Papers

Noise Attenuation Potential Using Helmholtz Absorbers Integrated in Low Pressure Turbine Exit Guide Vanes and Turbine Exit Casing End Walls

Manuel Zenz, Loris Simonassi, Philipp Bruckner, Simon Pramstrahler, Franz Heitmeir, Andreas Marn

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A007, September 21–25, 2020

Paper No: GT2020-14233

DOI: https://doi.org/10.1115/GT2020-14233

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Topics: Acoustics, Guide vanes, Noise (Sound), Pressure, Turbines

Proceedings Papers

Measurements of Multiple Pure Tone Propagation From a High Bypass Turbofan Rotor in an Internal Flow Facility

Richard F. Bozak

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A002, September 21–25, 2020

Paper No: GT2020-14161

DOI: https://doi.org/10.1115/GT2020-14161

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Topics: Internal flow, Rotors, Turbofans, Blades, Shock (Mechanics), Acoustics, Ducts, Pressure, Pressure transducers, Noise (Sound)

Proceedings Papers

Impact of Turbine-Strut Clocking on the Performance of a Turbine Center Frame

P. Z. Sterzinger, F. Merli, A. Peters, S. Behre, F. Heitmeir, E. Göttlich

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A012, September 21–25, 2020

Paper No: GT2020-14798

DOI: https://doi.org/10.1115/GT2020-14798

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Topics: Struts (Engineering), Turbines, Flow (Dynamics), Pressure, Ducts, Probes, Engineering simulation, Engines, Reynolds-averaged Navier–Stokes equations, Simulation

Proceedings Papers

Numerical and Experimental Aerodynamic Investigation of an S-Shaped Intermediate Compressor Duct With Bleed

Elias M. V. Siggeirsson, Niklas Andersson, Markus Burak Olander

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A017, September 21–25, 2020

Paper No: GT2020-15336

DOI: https://doi.org/10.1115/GT2020-15336

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Topics: Compressors, Ducts, Flow (Dynamics), Simulation, Computational fluid dynamics, Pipes, Aerospace engines, Axial flow, Blades, Design

Proceedings Papers

Investigation of the Loss Generation in a Turning Vane Frame at Different Inlet Turbulence Conditions

Sebastian F. Riebl, Christian Wakelam, Reinhard Niehuis

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A003, September 21–25, 2020

Paper No: GT2020-14166

DOI: https://doi.org/10.1115/GT2020-14166

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Topics: Turbulence, Turning vanes, Flow (Dynamics), Pressure, Turbines, Vortices, Blades, Boundary layers, Engineering simulation, Entropy

Proceedings Papers

An Experimental, Aerodynamic Evaluation of Design Choices for a Low-Pressure Compressor Transition Duct

A. Duncan Walker, Ian Mariah, Chris Hall

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A022, September 21–25, 2020

Paper No: GT2020-16318

DOI: https://doi.org/10.1115/GT2020-16318

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Topics: Aerodynamics, Compressors, Design, Ducts, Pressure

Proceedings Papers

Experimental Validation of an Analytical Prediction Model for Fan Buzz-Saw Noise

Antoine Moreau, Sébastien Guérin

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A008, September 21–25, 2020

Paper No: GT2020-14279

DOI: https://doi.org/10.1115/GT2020-14279

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Topics: Noise (Sound), Ducts, Inflow, Mach number, Rotors, Flow (Dynamics)

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NARROW

Investigation of the Flow Field and the Pressure Recovery in a Gas Turbine Exhaust Diffuser at Design, Part-Load and Over-Load Condition

Numerical Simulation of the Effect of the Tip Clearance Flow on Rotor-Stator Interaction Tone Noise in Axial-Flow Fan

Super Aggressive S-Ducts for Air Breathing Rocket Engines

Influences of Turbulence Boundary Conditions on RANS and URANS Simulations for an Inter-Turbine Duct

Control of the Aero-Engine Nacelle Intake Flow Separation Caused by Crosswind Condition Using Plasma Actuation

Numerical Study on Duct Acoustic Modal and Source Flow Structure of Fan Tones With Leaned and Swept Stator

Effect of Matching Parameters Between Rotor and Diffuser on the Flow Loss Characteristic in an Axial Turbine

Effect of Struts Downstream of Low Pressure Turbine on Tone Noise Generation

DGEN Aeropropulsion Research Turbofan Core/Combustor-Noise Measurements: Experiment and Modal Structure at Core-Nozzle Exit

Analysis of Aeroacoustic Phenomena in Centrifugal Compressors Using a Lattice Boltzmann Flow Simulation Approach

Experimental Investigation of Gas Turbine Axial Diffuser Performance: Part I — Parametric Analysis of Influential Variables

3D Multi-Solver Coupled Simulation of Combustor-Turbine Interaction in an Aero-Engine

A Numerical Investigation Into Secondary Flows at the Inlet to a Low-Pressure Compressor Transition Duct

Noise Attenuation Potential Using Helmholtz Absorbers Integrated in Low Pressure Turbine Exit Guide Vanes and Turbine Exit Casing End Walls

Measurements of Multiple Pure Tone Propagation From a High Bypass Turbofan Rotor in an Internal Flow Facility

Impact of Turbine-Strut Clocking on the Performance of a Turbine Center Frame

Numerical and Experimental Aerodynamic Investigation of an S-Shaped Intermediate Compressor Duct With Bleed

Investigation of the Loss Generation in a Turning Vane Frame at Different Inlet Turbulence Conditions

An Experimental, Aerodynamic Evaluation of Design Choices for a Low-Pressure Compressor Transition Duct

Experimental Validation of an Analytical Prediction Model for Fan Buzz-Saw Noise

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