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Proceedings Papers

Prediction in Rotor-Stator Cavities at High Reynolds Numbers up to Re ≈ 2·10 8 : Towards a New Parametric Model

Tilman Raphael Schröder, Sebastian Schuster, Dieter Brillert

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A001, September 21–25, 2020

Paper No: GT2020-14010

DOI: https://doi.org/10.1115/GT2020-14010

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Topics: Cavities, Reynolds number, Rotors, Stators, Thrust, Flow (Dynamics), Stress, Torque, Bearings, Compressors

Proceedings Papers

Numerical Characterization of the Performance Curve of a Regenerative Pump-As-Turbine

Giulio Cantini, Simone Salvadori

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A008, September 21–25, 2020

Paper No: GT2020-14287

DOI: https://doi.org/10.1115/GT2020-14287

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Topics: Computational fluid dynamics, Pumps, Turbines

Proceedings Papers

Loss and Thrust Modeling of Rocket Engine High Density Turbopumps

Jonathan Gloger, Claudio Lettieri, Louis Souverein

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A022, September 21–25, 2020

Paper No: GT2020-15428

DOI: https://doi.org/10.1115/GT2020-15428

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Topics: Computational fluid dynamics, Density, Modeling, Rocket engines, Thrust

Proceedings Papers

Performance Characteristics of a Centrifugal Compressor With Capacity Control by Variable Diffuser Vanes

Kangsoo Im, Jongsik Jeong

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A029, September 21–25, 2020

Paper No: GT2020-16255

DOI: https://doi.org/10.1115/GT2020-16255

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Topics: Compressors, Diffusers, Performance characterization

Proceedings Papers

Effects of Non-Axisymmetric Volute on Rotating Stall in the Vaneless Diffuser of a Centrifugal Compressor

Zitian Niu, Zhenzhong Sun, Baotong Wang, Xinqian Zheng

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A015, September 21–25, 2020

Paper No: GT2020-14729

DOI: https://doi.org/10.1115/GT2020-14729

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Topics: Compressors, Vaneless diffusers, Flow (Dynamics), Computer simulation, Impellers, Geometry, Numerical analysis, Stability

Proceedings Papers

Size and Reynolds Number Effects on Compressor Performance and Scaling

Hua Chen

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A002, September 21–25, 2020

Paper No: GT2020-14019

DOI: https://doi.org/10.1115/GT2020-14019

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Topics: Blades, Compressors, Reynolds number, Turbochargers

Proceedings Papers

Assessment of the Loss Map of a Centrifugal Compressor’s External Volute

Thomas Ceyrowsky, Andre Hildebrandt, Martin Heinrich, Rüdiger Schwarze

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A009, September 21–25, 2020

Paper No: GT2020-14291

DOI: https://doi.org/10.1115/GT2020-14291

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Topics: Boundary-value problems, Compressors, Computational fluid dynamics, Design, Diffusers, Flow (Dynamics), Impellers, Mach number

Proceedings Papers

A New Approach to Modeling Slip and Work Input for Centrifugal Compressors

Herbert M. Harrison, Nicole L. Key

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A003, September 21–25, 2020

Paper No: GT2020-14135

DOI: https://doi.org/10.1115/GT2020-14135

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Topics: Compressor impellers, Compressors, Design, Modeling, Impellers, Errors, Flow (Dynamics), Geometry

Proceedings Papers

Design of a Mixed-Flow Transonic Compressor for Active High-Lift System Using a 3D Inverse Design Methodology

Peng Wang, Maria Vera-Morales, Patrick La, Mehrdad Zangeneh, Niklas Maroldt, Ole Willers, Felix Kauth, Jörg Seume

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A023, September 21–25, 2020

Paper No: GT2020-15645

DOI: https://doi.org/10.1115/GT2020-15645

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Topics: Compressors, Design, Design methodology, Flow (Dynamics)

Proceedings Papers

Influence of Splitter Blades on the Performance of a Single-Stage Centrifugal Compressor With Pressure Ratio 12.0

Wenchao Zhang, Zhenzhong Sun, Baotong Wang, Xinqian Zheng

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A016, September 21–25, 2020

Paper No: GT2020-14733

DOI: https://doi.org/10.1115/GT2020-14733

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Topics: Blades, Compressors, Pressure, Flow (Dynamics), Clearances (Engineering), Flow separation, Shock waves, Chords (Trusses), Computational fluid dynamics, Impellers

Proceedings Papers

Performance Improvement of a Mixed Flow Turbine Using 3D Blading

Matthew Elliott, Stephen Spence, Martin Seiler, Marco Geron

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A030, September 21–25, 2020

Paper No: GT2020-16272

DOI: https://doi.org/10.1115/GT2020-16272

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Topics: Flow (Dynamics), Turbines, Blades, Design, Optimization, Shapes, Wheels, Geometry, Stress, Diffusers

Proceedings Papers

Numerical and Experimental Study on Rotating Stall in Industrial Centrifugal Compressor

Toshimasa Miura, Hideaki Yamashita, Ryota Takeuchi, Naoto Sakai

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A010, September 21–25, 2020

Paper No: GT2020-14448

DOI: https://doi.org/10.1115/GT2020-14448

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Topics: Compressors, Vibration, Simulation, Computational fluid dynamics, Pressure, Impellers, Rotation, Vaneless diffusers, Aerodynamics, Annulus

Proceedings Papers

Numerical and Experimental Investigation of a Low Order Radial Turbine Model for Engine-Level Optimisation of Turbocharger Design

Karl Hohenberg, Ricardo Martinez-Botas, Piotr Łuczyński, Carola Freytag, Manfred Wirsum

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A024, September 21–25, 2020

Paper No: GT2020-15698

DOI: https://doi.org/10.1115/GT2020-15698

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Topics: Design, Engines, Optimization, Turbines, Turbochargers, Accounting, Dynamometers, Errors, Experimental methods, Flow (Dynamics)

Proceedings Papers

Experimental and Numerical Study of an Open Impeller Centrifugal Compressor Stage Utilising 3D Diffuser End Wall Contouring for Operating Range Extension

Daniel Hermann, Manfred Wirsum, Douglas Robinson, Philipp Jenny

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A017, September 21–25, 2020

Paper No: GT2020-14782

DOI: https://doi.org/10.1115/GT2020-14782

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Topics: Compressors, Diffusers, Impellers, Design, Flow (Dynamics), Mach number, Blades, Stability, Computation, Computational fluid dynamics

Proceedings Papers

Numerical Investigation of Effect of Blade Surface Slot on the Performance and Flow Field of a Low Speed Centrifugal Fan

HaoGuang Zhang, FeiYang Dong, XuDong Zhang, WuLi Chu

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A011, September 21–25, 2020

Paper No: GT2020-14472

DOI: https://doi.org/10.1115/GT2020-14472

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Topics: Blades, Flow (Dynamics), Impellers, Suction, Boundary layers, Pressure, Vortices, Design, Separation (Technology), Wakes

Proceedings Papers

Performance and Losses Analysis for Radial Turbine Featuring a Multi-Channel Casing Design

Ahmed Farid Hassan, Markus Schatz, Damian M. Vogt

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A031, September 21–25, 2020

Paper No: GT2020-16298

DOI: https://doi.org/10.1115/GT2020-16298

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Topics: Design, Turbines, Computational fluid dynamics, Flow (Dynamics), Turbochargers, Engineering simulation, Internal flow, Rotors, Simulation, Simulation results

Proceedings Papers

Gradient-Based Optimization of a Radial Turbine Volute and a Downstream Bend Using Vertex Morphing

Nicolas Lachenmaier, Daniel Baumgärtner, Heinz-Peter Schiffer, Johannes Kech

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A004, September 21–25, 2020

Paper No: GT2020-14145

DOI: https://doi.org/10.1115/GT2020-14145

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Topics: Optimization, Turbines, Pressure, Compressors, Cycles, Design, Fuel consumption, Geometry, Internal combustion engines, Pressure drop

Proceedings Papers

The Impact of Various Modelling Decisions on Flow Field Predictions in a Centrifugal Compressor

William J. Gooding, Matthew A. Meier, Nicole L. Key

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A012, September 21–25, 2020

Paper No: GT2020-14516

DOI: https://doi.org/10.1115/GT2020-14516

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Topics: Compressors, Diffusers, Flow (Dynamics), Modeling

Proceedings Papers

Preliminary Study of a Centrifugal Compressor With Counter-Rotating Impellers: Design and Performances Study

Abed Cheikh Brahim, Khelladi Sofiane, Deligant Michael, El Marjani Abdel, Farid Bakir

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A025, September 21–25, 2020

Paper No: GT2020-15860

DOI: https://doi.org/10.1115/GT2020-15860

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Topics: Compressors, Design, Impellers, Machinery, Turbomachinery, Computer simulation, Degrees of freedom, Diffusers, Engineering design processes, Flow (Dynamics)

Proceedings Papers

Numerical Simulation of a Radial Turbine at Off-Design Conditions in Presence of Choked Flow

Andrés Tiseira, Luis Miguel García-Cuevas, Lukas Benjamin Inhestern, Juan David Echavarría

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A018, September 21–25, 2020

Paper No: GT2020-14902

DOI: https://doi.org/10.1115/GT2020-14902

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Topics: Computer simulation, Design, Flow (Dynamics), Turbines, Organic Rankine cycle, Rotors, Stators, Turbochargers, Shock waves, Blades

NARROW

Prediction in Rotor-Stator Cavities at High Reynolds Numbers up to Re ≈ 2·10 8 : Towards a New Parametric Model

Numerical Characterization of the Performance Curve of a Regenerative Pump-As-Turbine

Loss and Thrust Modeling of Rocket Engine High Density Turbopumps

Performance Characteristics of a Centrifugal Compressor With Capacity Control by Variable Diffuser Vanes

Effects of Non-Axisymmetric Volute on Rotating Stall in the Vaneless Diffuser of a Centrifugal Compressor

Size and Reynolds Number Effects on Compressor Performance and Scaling

Assessment of the Loss Map of a Centrifugal Compressor’s External Volute

A New Approach to Modeling Slip and Work Input for Centrifugal Compressors

Design of a Mixed-Flow Transonic Compressor for Active High-Lift System Using a 3D Inverse Design Methodology

Influence of Splitter Blades on the Performance of a Single-Stage Centrifugal Compressor With Pressure Ratio 12.0

Performance Improvement of a Mixed Flow Turbine Using 3D Blading

Numerical and Experimental Study on Rotating Stall in Industrial Centrifugal Compressor

Numerical and Experimental Investigation of a Low Order Radial Turbine Model for Engine-Level Optimisation of Turbocharger Design

Experimental and Numerical Study of an Open Impeller Centrifugal Compressor Stage Utilising 3D Diffuser End Wall Contouring for Operating Range Extension

Numerical Investigation of Effect of Blade Surface Slot on the Performance and Flow Field of a Low Speed Centrifugal Fan

Performance and Losses Analysis for Radial Turbine Featuring a Multi-Channel Casing Design

Gradient-Based Optimization of a Radial Turbine Volute and a Downstream Bend Using Vertex Morphing

The Impact of Various Modelling Decisions on Flow Field Predictions in a Centrifugal Compressor

Preliminary Study of a Centrifugal Compressor With Counter-Rotating Impellers: Design and Performances Study

Numerical Simulation of a Radial Turbine at Off-Design Conditions in Presence of Choked Flow

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