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Proceedings Papers

Modeling the Convection of Entropy Waves in Strongly Non-Parallel Turbulent Flows Using a Linearized Framework

Thomas Ludwig Kaiser, Nicolas Noiray, Quentin Male, Kilian Oberleithner

Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A039, June 13–17, 2022

Paper No: GT2022-82971

DOI: https://doi.org/10.1115/GT2022-82971

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Topics: Convection, Entropy, Modeling, Turbulence, Waves, Flow (Dynamics), Shear (Mechanics), Ducts, Fluctuations (Physics), Combustion chambers

Proceedings Papers

Analysis of Turbomachinery Averaging Techniques

Christian Frey, Graham Ashcroft, Michael Müller, Jens Wellner

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A039, June 13–17, 2022

Paper No: GT2022-82959

DOI: https://doi.org/10.1115/GT2022-82959

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Topics: Turbomachinery, Entropy, Turbines, Inflow, Acoustics, Engineering simulation, Film cooling, Simulation, Unsteady flow, Vorticity

Proceedings Papers

The Role of Turbine Operating Conditions on Combustor-Turbine Interaction – Part 2: Loading Effects

Andrea Notaristefano, Paolo Gaetani

Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A016, June 13–17, 2022

Paper No: GT2022-82256

DOI: https://doi.org/10.1115/GT2022-82256

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Topics: Combustion chambers, Entropy, Turbines, Waves

Proceedings Papers

The Role of Turbine Operating Conditions on Combustor-Turbine Interaction – Part 1: Change in Expansion Ratio

Andrea Notaristefano, Paolo Gaetani

Paper No: GT2022-81707

DOI: https://doi.org/10.1115/GT2022-81707

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Topics: Combustion chambers, Entropy, Turbines, Waves

Proceedings Papers

Comparing Gradient-Free and Gradient-Based Multi-Objective Optimization Methodologies on the VKI-LS89 Turbine Vane Test Case

Romain Hottois, Arnaud Châtel, Grégory Coussement, Tom Verstraete, Tom De Bruyn

Paper No: GT2022-82218

DOI: https://doi.org/10.1115/GT2022-82218

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Topics: Pareto optimization, Turbines, Optimization, Design, Algorithms, Cascades (Fluid dynamics), Entropy, Evolutionary algorithms, Flow (Dynamics), Flow turning

Proceedings Papers

The Effects of Swirling Flows in Entropy Wave Convection Through High Pressure Turbine Stage

Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani, Andrea Notaristefano, Paolo Gaetani

Paper No: GT2022-82594

DOI: https://doi.org/10.1115/GT2022-82594

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Topics: Convection, Entropy, High pressure (Physics), Swirling flow, Turbines, Waves, Combustion chambers, Computer simulation, Flow (Dynamics), Fluctuations (Physics)

Proceedings Papers

Loss Analysis of Cavity Leakage Flow in a Compressor Cascade

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

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A028, June 13–17, 2022

Paper No: GT2022-82361

DOI: https://doi.org/10.1115/GT2022-82361

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Topics: Cascades (Fluid dynamics), Cavities, Clearances (Engineering), Compressors, Entropy, Leakage flows

Proceedings Papers

Vortical Structures and Loss Mechanism of Tip Leakage Flow In Subsonic and Transonic Turbine Stages

P. H. Duan, L. He

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A032, June 13–17, 2022

Paper No: GT2022-83473

DOI: https://doi.org/10.1115/GT2022-83473

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Topics: Leakage flows, Turbines, Flow (Dynamics), Cavities, Vortices, Leakage, Platform supply vessels, Pressure, Cascades (Fluid dynamics), Heat transfer

Proceedings Papers

Computational Flow Field Assessment of the Inlet Region of Centrifugal Compressor Under Unsteady Flow Conditions Near Surge

Aakeen Parikh, Pablo Ale-Martos, Maria Esperanza Barrera-Medrano, Yoshihiro Hayashi, Ricardo Martinez-Botas

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A005, June 13–17, 2022

Paper No: GT2022-81968

DOI: https://doi.org/10.1115/GT2022-81968

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Topics: Compressors, Flow (Dynamics), Surges, Unsteady flow, Pulsatile flow, Stability, Boundary-value problems, Cycles, Dynamic response, Engines

Proceedings Papers

A Coupled Computational Aero-Acoustics (CAA)/ Large-Eddy Simulation (LES) Approach for the Pressure Calculation in Internal Low-Mach Number Flows

Pierre Bénez, Ghislain Lartigue, Vincent Moureau, Guillaume Ribert, Marine Robin

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A009, June 13–17, 2022

Paper No: GT2022-80476

DOI: https://doi.org/10.1115/GT2022-80476

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Topics: Acoustics, Flow (Dynamics), Large eddy simulation, Pressure, Simulation, Algorithms, Entropy, Fluctuations (Physics), Internal flow, Navier-Stokes equations

Proceedings Papers

Parameter Optimization of Combustor Dump Diffuser Based on RSM

Yue Yan, Jianqin Suo, Yanhui Wu

Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A027, June 13–17, 2022

Paper No: GT2022-80872

DOI: https://doi.org/10.1115/GT2022-80872

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Topics: Combustion chambers, Diffusers, Entropy, Optimization, Response surface methodology

Proceedings Papers

An Optimization Methodology for Turbines Driven by Pulsed Detonation Combustors

Majid Asli, Panagiotis Stathopoulos

Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A022, June 13–17, 2022

Paper No: GT2022-80673

DOI: https://doi.org/10.1115/GT2022-80673

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Topics: Combustion chambers, Explosions, Optimization, Turbines, Exhaust systems, Flow (Dynamics), Combustion, Design, Emissions, Gas turbines

Proceedings Papers

Stabilization of Auto-Igniting Flames Within a Gas Turbine Sequential Combustor, Through the Control of Static Temperature Variation - Detailed Numerical Investigation

Fernando Biagioli, Holger Luebcke, Ammar Lamraoui, Khawar J. Syed, André Theuer

Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A025, June 13–17, 2022

Paper No: GT2022-82592

DOI: https://doi.org/10.1115/GT2022-82592

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Topics: Combustion, Combustion chambers, Emissions, Flames, Gas turbines, Temperature, Fuels, Mach number, Flow (Dynamics), Pressure drop

Proceedings Papers

A Novel Decomposition Approach Preventing Spurious Entropy Generation in Hybrid Thermoacoustic Stability Computations

Gerrit Heilmann, Tong Liu, Pedro Romero Vega, Thomas Sattelmayer

Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A029, June 13–17, 2022

Paper No: GT2022-82637

DOI: https://doi.org/10.1115/GT2022-82637

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Topics: Computation, Entropy, Stability, Flames, Acoustics, Frequency response, Combustion chambers, Flow (Dynamics), Fluctuations (Physics), Heat

Proceedings Papers

Unsteady Effects of Blade Row Interaction on Flow Field and Aerodynamic Performance of a Transonic Centrifugal Compressor Impeller

Kazutoyo Yamada, Kosuke Kubo, Kenichiro Iwakiri, Yoshihiro Ishikawa, Hirotaka Higashimori

Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A008, June 7–11, 2021

Paper No: GT2021-59462

DOI: https://doi.org/10.1115/GT2021-59462

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Topics: Blades, Compressor impellers, Flow (Dynamics), Compressors, Impellers, Diffusers, Reynolds-averaged Navier–Stokes equations, Steady state, Annulus, Computer simulation

Proceedings Papers

Adjoint-Based Optimisation of Rocket Engine Turbine Blades

Bhupinder Singh Sanghera, Nitish Anand, Louis Souverein, Loïc Penin, Matteo Pini

Paper No: GT2021-59580

DOI: https://doi.org/10.1115/GT2021-59580

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Topics: Optimization, Rocket engines, Turbine blades, Stators, Turbines, Design, Cycles, Flow (Dynamics), Generators, Shape optimization

Proceedings Papers

A Detailed Loss Analysis Methodology for Centrifugal Compressors

Luying Zhang, Loukia Kritioti, Peng Wang, Jiangnan Zhang, Mehrdad Zangeneh

Paper No: GT2021-59334

DOI: https://doi.org/10.1115/GT2021-59334

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Topics: Compressors, Design, Entropy, Optimization

Proceedings Papers

Impact of Swirling Entropy Waves on a High Pressure Turbine

Andrea Notaristefano, Paolo Gaetani

Paper No: GT2021-59598

DOI: https://doi.org/10.1115/GT2021-59598

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Topics: Entropy, High pressure (Physics), Swirling flow, Turbines, Waves, Combustion chambers, Stators, Rotors, Temperature, Aerodynamic flow

Proceedings Papers

Response of Autoignition-Stabilized Flames to One-Dimensional Disturbances: Intrinsic Response

Harish S. Gopalakrishnan, Andrea Gruber, Jonas Moeck

Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A052, June 7–11, 2021

Paper No: GT2021-59351

DOI: https://doi.org/10.1115/GT2021-59351

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Topics: Flames, Acoustics, Combustion chambers, Fluctuations (Physics), Combustion, Oscillations, Temperature, Carbon, Chemistry, Computer simulation

Proceedings Papers

Isentropic Formulation of the Linearized Euler Equations For Perfectly Premixed Combustion Systems

Pedro Romero Vega, Thomas Hofmeister, Gerrit Heilmann, Christoph Hirsch, Thomas Sattelmayer

Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A026, June 7–11, 2021

Paper No: GT2021-60055

DOI: https://doi.org/10.1115/GT2021-60055

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Topics: Acoustics, Combustion chambers, Combustion systems, Damping, Density, Entropy, Flow (Dynamics), Gas turbines, Heat, Momentum

NARROW

Modeling the Convection of Entropy Waves in Strongly Non-Parallel Turbulent Flows Using a Linearized Framework

Analysis of Turbomachinery Averaging Techniques

The Role of Turbine Operating Conditions on Combustor-Turbine Interaction – Part 2: Loading Effects

The Role of Turbine Operating Conditions on Combustor-Turbine Interaction – Part 1: Change in Expansion Ratio

Comparing Gradient-Free and Gradient-Based Multi-Objective Optimization Methodologies on the VKI-LS89 Turbine Vane Test Case

The Effects of Swirling Flows in Entropy Wave Convection Through High Pressure Turbine Stage

Loss Analysis of Cavity Leakage Flow in a Compressor Cascade

Vortical Structures and Loss Mechanism of Tip Leakage Flow In Subsonic and Transonic Turbine Stages

Computational Flow Field Assessment of the Inlet Region of Centrifugal Compressor Under Unsteady Flow Conditions Near Surge

A Coupled Computational Aero-Acoustics (CAA)/ Large-Eddy Simulation (LES) Approach for the Pressure Calculation in Internal Low-Mach Number Flows

Parameter Optimization of Combustor Dump Diffuser Based on RSM

An Optimization Methodology for Turbines Driven by Pulsed Detonation Combustors

Stabilization of Auto-Igniting Flames Within a Gas Turbine Sequential Combustor, Through the Control of Static Temperature Variation - Detailed Numerical Investigation

A Novel Decomposition Approach Preventing Spurious Entropy Generation in Hybrid Thermoacoustic Stability Computations

Unsteady Effects of Blade Row Interaction on Flow Field and Aerodynamic Performance of a Transonic Centrifugal Compressor Impeller

Adjoint-Based Optimisation of Rocket Engine Turbine Blades

A Detailed Loss Analysis Methodology for Centrifugal Compressors

Impact of Swirling Entropy Waves on a High Pressure Turbine

Response of Autoignition-Stabilized Flames to One-Dimensional Disturbances: Intrinsic Response

Isentropic Formulation of the Linearized Euler Equations For Perfectly Premixed Combustion Systems

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