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Proceedings Papers

Experimental Investigation of Gas Turbine Axial Diffuser Performance: Part II — Effect of Inlet Flow Profiles at On- and Off-Design Conditions

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

Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT35A001, June 7–11, 2021

Paper No: GT2021-03719

DOI: https://doi.org/10.1115/GT2021-03719

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Topics: Design, Diffusers, Flow (Dynamics), Gas turbines, Pressure, Reynolds number

Proceedings Papers

One Dimensional Modelling for Pulsed Flow Twin-Entry Turbine

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

Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A015, June 7–11, 2021

Paper No: GT2021-60069

DOI: https://doi.org/10.1115/GT2021-60069

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Topics: Flow (Dynamics), Modeling, Turbines, Pressure, Turbochargers, Computational fluid dynamics, Energy conservation, Engines, Exhaust systems, Internal combustion engines

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

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

Axial-Radial Diffuser With Integrated Exhaust Hood for An Automotive Turbocharger With Axial Turbine

Christoph Kuestner, Joerg R. Seume

Paper No: GT2021-58600

DOI: https://doi.org/10.1115/GT2021-58600

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Topics: Diffusers, Exhaust systems, Turbines, Turbochargers, Design, Computational fluid dynamics, Steam turbines, Geometry, Inflow, Kinetic energy

Proceedings Papers

Optimization of an Additively Manufactured U-Bend Channel Using A Surrogate-Based Bayesian Method

Shinjan Ghosh, Sudeepta Mondal, Ryan Wardell, Erik Fernandez, Jayanta S. Kapat, Asok Ray

Paper No: GT2021-59415

DOI: https://doi.org/10.1115/GT2021-59415

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Topics: Additive manufacturing, Optimization, Design, Shapes, Computational fluid dynamics, Pressure, Pressure drop, Cooling, Simulation, Turbulence

Proceedings Papers

Constraint Handling in Bayesian Optimization -- A Comparative Study of Support Vector Machine, Augmented Lagrangian and Expected Feasible Improvement

Yuan Jin, Zheyi Yang, Shiran Dai, Yann Lebret, Olivier Jung

Paper No: GT2021-58562

DOI: https://doi.org/10.1115/GT2021-58562

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Topics: Optimization, Support vector machines, Experimental design, Design, Disks, Pressure, Turbines

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

Numerical Investigations of a High Pressure Compressor Exposed to Unsteady Pressure Gain Combustion Employing Data-Driven Methods

Victor Bicalho Civinelli de Almeida, Dieter Peitsch

Paper No: GT2021-58852

DOI: https://doi.org/10.1115/GT2021-58852

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Topics: Combustion, Compressors, High pressure (Physics), Pressure, Flow (Dynamics), Turbomachinery, Boundary-value problems, Combustion chambers, Computational fluid dynamics, Engines

Proceedings Papers

Automatically Designed Deep Gaussian Process for Turbomachinery Application

Yuan Jin, Jin Chai, Olivier Jung

Paper No: GT2021-58469

DOI: https://doi.org/10.1115/GT2021-58469

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Topics: Turbomachinery, Turbines, Design, Artificial neural networks, Blades, Dimensions, Pressure, Robustness, Stochastic processes

Proceedings Papers

Experimental and Numerical Investigation of Vaned Hub and Shroud Wall Contoured Diffusers Designed to Improve Flexibility and Efficiency of an Open Impeller Centrifugal Compressor Stage

Daniel Hermann, Manfred Wirsum, Douglas Robinson, Philipp Jenny

Paper No: GT2021-59255

DOI: https://doi.org/10.1115/GT2021-59255

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Topics: Compressors, Diffusers, Impellers, Design, Flow (Dynamics), Computational fluid dynamics, Engineering simulation, Mach number, Pressure, Probes

Proceedings Papers

Analysis of the Loss Production Mechanism due to Cavity-Main Flow Interaction in a LPT Stage

D. Barsi, D. Lengani, D. Simoni, G. Venturino, F. Bertini, M. Giovannini, F. Rubechini

Paper No: GT2021-59932

DOI: https://doi.org/10.1115/GT2021-59932

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Topics: Cavities, Flow (Dynamics), Cavity flows, Rotors, Simulation, Pressure, Engines, Geometry, Inspection, Stators

Proceedings Papers

Improved Prediction of Losses With Large Eddy Simulation in a Low-Pressure Turbine

Kenji Miki, Ali Ameri

Paper No: GT2021-59095

DOI: https://doi.org/10.1115/GT2021-59095

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Topics: Emission spectroscopy, Large eddy simulation, Pressure, Separation (Technology), Spectroscopy, Turbines, Turbulence, Wakes, Flow (Dynamics), Blades

Proceedings Papers

Mechanism of Circumferential Static Pressure Oscillation in a Centrifugal Compressor With Volute

Ce Yang, Botai Su, Xin Shi, Hanzhi Zhang, Wenli Wang, Changmao Yang

Paper No: GT2021-59051

DOI: https://doi.org/10.1115/GT2021-59051

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Topics: Compressors, Oscillations, Pressure, Diffusers, Strips, Impellers, Flow (Dynamics), Boundary-value problems, Pressure gradient, Air flow

Proceedings Papers

Prediction and Validation of the Transient Pressure Field in a Centrifugal Compressor With Vaned Diffuser for the Application in High Cycle Fatigue Stress Estimations

Gökay Bacakci, Friedrich Fröhlig, Lukas Stuhldreier, Johannes Deutsch, Peter Jeschke

Paper No: GT2021-58876

DOI: https://doi.org/10.1115/GT2021-58876

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Topics: Compressors, Diffusers, High cycle fatigue, Pressure, Stress, Transients (Dynamics), Engineering simulation, Fluctuations (Physics), Impellers, Pressure measurement

Proceedings Papers

Numerical Analysis of Non-Radial Blading in a Low Speed and Low Pressure Turbine for Electric Turbocompounding Applications

Eva Alvarez-Regueiro, Esperanza Barrera-Medrano, Ricardo Martinez-Botas, Srithar Rajoo

Paper No: GT2021-60239

DOI: https://doi.org/10.1115/GT2021-60239

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Topics: Numerical analysis, Pressure, Turbines, Design, Rotors, Blades, Computational fluid dynamics, Computer simulation, Fibers, Deformation

Proceedings Papers

Numerical Investigation on Propagation Characteristics of Inlet Total-Pressure Distortion in a Centrifugal Compressor

Mingyi Wang, Zhiheng Wang, Guang Xi, Yurun Li

Paper No: GT2021-59921

DOI: https://doi.org/10.1115/GT2021-59921

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Topics: Compressors, Pressure, Flow (Dynamics), Blades, Air flow, Annulus, Computer simulation, Impellers, Rotation, Suction

Proceedings Papers

NOx Emission Modelling for Lean Premixed Industrial Combustors With a Diffusion Pilot Burner

Johann Moritz Reumschüssel, Jakob G. R. von Saldern, Thomas Ludwig Kaiser, Thoralf Reichel, Jan Paul Beuth, Bernhard Ćosić, Franklin Genin, Kilian Oberleithner, Christian Oliver Paschereit

Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A035, June 7–11, 2021

Paper No: GT2021-59071

DOI: https://doi.org/10.1115/GT2021-59071

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Topics: Combustion chambers, Diffusion (Physics), Emissions, Modeling, Nitrogen oxides, Flames, Fuels, Combustion, Chemistry, Combustion systems

Proceedings Papers

Influence of Acoustically Excited Airflows on a Planar Airblast Prefilmer

Thomas Christou, Björn Stelzner, Nikolaos Zarzalis

Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A022, June 7–11, 2021

Paper No: GT2021-58862

DOI: https://doi.org/10.1115/GT2021-58862

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Topics: Acoustics, Air flow, Jet engines, Sprays, Combustion chambers, Emissions, Excitation, Oscillations, Drops, Flames

Proceedings Papers

Experimental and Numerical Investigation on the Effect of Pressure On Micromix Hydrogen Combustion

Daniel Kroniger, Atsushi Horikawa, Harald H.-W. Funke, Franziska Pfaeffle, Tsuyoshi Kishimoto, Koichi Okada

Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A025, June 7–11, 2021

Paper No: GT2021-58926

DOI: https://doi.org/10.1115/GT2021-58926

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Topics: Combustion, Combustion chambers, Emissions, Gas turbines, Hydrogen, Nitrogen oxides, Pressure

Proceedings Papers

Synergistic Effect of Soot Formation in Ethylene/Propane Co-Flow Diffusion Flames at Elevated Pressures

Dongsheng Zheng, Xin Hui, Xin Xue, Weitao Liu

Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A008, June 7–11, 2021

Paper No: GT2021-58622

DOI: https://doi.org/10.1115/GT2021-58622

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Topics: Diffusion flames, Flow (Dynamics), Lasers, Light emission, Pressure, Soot

2 3 4 5

NARROW

Experimental Investigation of Gas Turbine Axial Diffuser Performance: Part II — Effect of Inlet Flow Profiles at On- and Off-Design Conditions

One Dimensional Modelling for Pulsed Flow Twin-Entry Turbine

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

Axial-Radial Diffuser With Integrated Exhaust Hood for An Automotive Turbocharger With Axial Turbine

Optimization of an Additively Manufactured U-Bend Channel Using A Surrogate-Based Bayesian Method

Constraint Handling in Bayesian Optimization -- A Comparative Study of Support Vector Machine, Augmented Lagrangian and Expected Feasible Improvement

Adjoint-Based Optimisation of Rocket Engine Turbine Blades

Numerical Investigations of a High Pressure Compressor Exposed to Unsteady Pressure Gain Combustion Employing Data-Driven Methods

Automatically Designed Deep Gaussian Process for Turbomachinery Application

Experimental and Numerical Investigation of Vaned Hub and Shroud Wall Contoured Diffusers Designed to Improve Flexibility and Efficiency of an Open Impeller Centrifugal Compressor Stage

Analysis of the Loss Production Mechanism due to Cavity-Main Flow Interaction in a LPT Stage

Improved Prediction of Losses With Large Eddy Simulation in a Low-Pressure Turbine

Mechanism of Circumferential Static Pressure Oscillation in a Centrifugal Compressor With Volute

Prediction and Validation of the Transient Pressure Field in a Centrifugal Compressor With Vaned Diffuser for the Application in High Cycle Fatigue Stress Estimations

Numerical Analysis of Non-Radial Blading in a Low Speed and Low Pressure Turbine for Electric Turbocompounding Applications

Numerical Investigation on Propagation Characteristics of Inlet Total-Pressure Distortion in a Centrifugal Compressor

NOx Emission Modelling for Lean Premixed Industrial Combustors With a Diffusion Pilot Burner

Influence of Acoustically Excited Airflows on a Planar Airblast Prefilmer

Experimental and Numerical Investigation on the Effect of Pressure On Micromix Hydrogen Combustion

Synergistic Effect of Soot Formation in Ethylene/Propane Co-Flow Diffusion Flames at Elevated Pressures

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