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Proceedings Papers

Multi Operating Point Aerodynamic Optimization of a Radial Compressor Impeller for an Application in High Temperature Heat Pump

Robert Schaffrath, Maximilian Kriese, Bojan Kajasa, Martino Köhler, Eberhard Nicke, Christian Voß
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A011, June 13–17, 2022
Paper No: GT2022-82130
DOI: https://doi.org/10.1115/GT2022-82130
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Topics: Compressor impellers, Heat pumps, High temperature, Optimization, Compressors, Geometry, Pressure, Computational fluid dynamics, Design, Economics
Proceedings Papers

Aerodynamic Optimization of the SRV2 Radial Compressor Using an Adjoint-Based Optimization Method

Arnaud Châtel, Tom Verstraete
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A014, June 13–17, 2022
Paper No: GT2022-82530
DOI: https://doi.org/10.1115/GT2022-82530
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Topics: Compressors, Optimization, Design, Algorithms, Compressor impellers, Degrees of freedom, Flow (Dynamics), Quadratic programming, Reynolds-averaged Navier–Stokes equations, Tradeoffs
Proceedings Papers

Some Properties of the Exit Velocity Triangle of a Radial Compressor Impeller

Michael Casey, Chris Robinson
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A003, June 13–17, 2022
Paper No: GT2022-79368
DOI: https://doi.org/10.1115/GT2022-79368
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Topics: Compressor impellers, Compressors, Design, Impellers, Flow (Dynamics), Diffusers, Computational fluid dynamics, Stability, Teaching, Vaneless diffusers
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

Generalized Model for the Approximation of Coupled Acousto-Mechanical Natural Frequencies in High-Pressure Centrifugal Compressors

Christoph Rocky Heinrich, Arnold Kühhorn, Klaus Steff, Nico Petry
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A025, September 21–25, 2020
Paper No: GT2020-15281
DOI: https://doi.org/10.1115/GT2020-15281
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Topics: Approximation, Compressors, High pressure (Physics), Cavities, Impellers, Acoustics, Simulation, Compressor impellers, Computer simulation, Design
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

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

The Experimental Rotordynamic Stability Evaluation Method Using Magnetic Excitation System for an Integrally Geared Compressor

Hirotoshi Arihara, Yoshitaka Baba, Shunsuke Morinaka, Yuki Kameyama
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT29A010, September 21–25, 2020
Paper No: GT2020-14883
DOI: https://doi.org/10.1115/GT2020-14883
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Topics: Compressors, Evaluation methods, Excitation systems, Stability, Excitation, Rotors, Machinery, Rotor vibration, Vibration, Compressor impellers
Proceedings Papers

Effects of Upstream Bend on Aerodynamic Performance of a Transonic Centrifugal Compressor

Kazutoyo Yamada, Masato Furukawa, Hiromitsu Arai, Sasuga Ito
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT44A014, June 17–21, 2019
Paper No: GT2019-90794
DOI: https://doi.org/10.1115/GT2019-90794
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Topics: Compressors, Flow (Dynamics), Pipes, Impellers, Diffusers, Blades, Simulation, Compressor impellers, Eddies (Fluid dynamics), Inflow
Proceedings Papers

Experimental Investigation for Enhanced Control of Rotating Unsteady Flow Instabilities in an Unshrouded Centrifugal Compressor Impeller

B. Mischo, P. Jenny, Y. Bidaut, N. Fonzi, D. Hermann, M. C. Wirsum
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT44A015, June 17–21, 2019
Paper No: GT2019-90914
DOI: https://doi.org/10.1115/GT2019-90914
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Topics: Compressor impellers, Unsteady flow, Blades, Diffusers, Design, Impellers, Resonance, Computational fluid dynamics, Excitation, Finite element methods
Proceedings Papers

Multi-Objective Design of a Transonic Turbocharger Compressor With Reduced Noise and Increased Efficiency

Peng Wang, Mehrdad Zangeneh, Francis Heyes, Paul Roach
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT43A002, June 17–21, 2019
Paper No: GT2019-90554
DOI: https://doi.org/10.1115/GT2019-90554
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Topics: Compressors, Design, Noise (Sound), Turbochargers, Impellers, Emissions, Wheels, Aerodynamic noise, Combustion, Compressor impellers
Proceedings Papers

Design of Cryogenic Centrifugal Compressor Stages With Heat Transfer Considerations

Jin Xiong, Yingkun Zhang, Penghua Guo, Jingyin Li
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT44A011, June 17–21, 2019
Paper No: GT2019-90614
DOI: https://doi.org/10.1115/GT2019-90614
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Topics: Compressors, Design, Heat transfer, Heat, Helium, Leakage, Design methodology, Impellers, Superconducting magnets, Blades
Proceedings Papers

A Method for Rotordynamic Force Prediction of a Centrifugal Compressor Impeller Front Cavity Using a Transient Whirling CFD Technique

Kevin Hoopes, J. Jeffrey Moore, Aaron Rimpel, Chris Kulhanek, Balaji Venkataraman
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT33A011, June 17–21, 2019
Paper No: GT2019-91904
DOI: https://doi.org/10.1115/GT2019-91904
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Topics: Cavities, Compressor impellers, Computational fluid dynamics, Transients (Dynamics), Whirls, Impellers, Modeling, Simulation, Stability
Proceedings Papers

The Comparison of Aerodynamic Performance Data Acquired From Thermal Measurements and a Torquemeter on a Compressor Impeller

Natalie R. Smith, Christopher Clarke, Timothy C. Allison, Michael Cave, Jason C. Wilkes
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T27A029, June 11–15, 2018
Paper No: GT2018-77016
DOI: https://doi.org/10.1115/GT2018-77016
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Topics: Compressor impellers, Torquemeters, Heat, Heat losses, Steady state, Torque, Enthalpy, Impellers, Machinery, Measurement uncertainty
Proceedings Papers

Turbomachine Design for Supercritical Carbon Dioxide Within the sCO 2 -HeRo.EU Project

Alexander Hacks, Sebastian Schuster, Hans Josef Dohmen, Friedrich-Karl Benra, Dieter Brillert
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A003, June 11–15, 2018
Paper No: GT2018-75154
DOI: https://doi.org/10.1115/GT2018-75154
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Topics: Design, Supercritical carbon dioxide, Turbomachinery, Compressors, Impellers, Bearings, Brayton cycle, Compressor impellers, Cooling, Cycles
Proceedings Papers

A Simple (1-Flexible Rotor) Model That Shows Bull Gear Runout As a Source of Subsynchronous, Lateral, Vibration in Integrally Geared Compressor (IGC) Pinions

Dara Childs, Andrew Crandall
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT33A009, June 11–15, 2018
Paper No: GT2018-75326
DOI: https://doi.org/10.1115/GT2018-75326
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Topics: Compressors, Gears, Rotors, Vibration, Stiffness, Bearings, Compressor impellers, Damping, Disks, Excitation
Proceedings Papers

Design and Evaluation of Hybrid Magnetic Bearings for Turbo Compressors

Cheol Hoon Park, Jun Young Park, Eui Soo Yoon
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A008, June 11–15, 2018
Paper No: GT2018-75273
DOI: https://doi.org/10.1115/GT2018-75273
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Topics: Compressors, Design, Magnetic bearings, Turbochargers, Sensors, Thrust, Vibration, Machinery, Rotors, Stress
Proceedings Papers

Influences of Tip Leakage Flows Discharged From Main and Splitter Blades on Flow Field in Transonic Centrifugal Compressor Stage

Masanao Kaneko, Hoshio Tsujita
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT44A006, June 11–15, 2018
Paper No: GT2018-75345
DOI: https://doi.org/10.1115/GT2018-75345
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Topics: Blades, Compressors, Flow (Dynamics), Leakage flows, Vortices, Clearances (Engineering), Leakage, Diffusers, Impellers, Suction
Proceedings Papers

A Study on Matching Between Centrifugal Compressor Impeller and Low Solidity Diffuser and its Extension to Vaneless Diffuser

Hideaki Tamaki
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT44A014, June 11–15, 2018
Paper No: GT2018-75902
DOI: https://doi.org/10.1115/GT2018-75902
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Topics: Compressor impellers, Diffusers, Vaneless diffusers, Flow (Dynamics), High pressure (Physics), Pressure, Surges, Compressors, Design, Flow visualization
Proceedings Papers

1D and 3D-Design Strategies for Pressure Slope Optimization of High-Flow Transonic Centrifugal Compressor Impellers

A. Hildebrandt, T. Ceyrowsky
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT44A016, June 11–15, 2018
Paper No: GT2018-76154
DOI: https://doi.org/10.1115/GT2018-76154
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Topics: Compressor impellers, Design, Flow (Dynamics), Optimization, Pressure, Impellers, Computational fluid dynamics, Compressors, Databases, Blades