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Keywords: centrifugal compressor
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Proceedings Papers

Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T06A016, June 13–17, 2022
Paper No: GT2022-81731
... Abstract Dynamic compressors operating region is mainly constrained by fluid-dynamic instabilities occurring at low mass flow rate conditions, such as surge and rotating stall. This work presents a vibro-acoustic experimental investigation on a centrifugal compressor of an automotive...
Proceedings Papers

Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A028, June 13–17, 2022
Paper No: GT2022-83036
... and wider operation range. vaneless diffuser rotating stall flow instabilities centrifugal compressor PIV cell size Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical Conference and Exposition GT2022 June 13-17, 2022, Rotterdam, The Netherlands GT2022-83036 METHOD OF THE VANELESS...
Proceedings Papers

Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A023, June 13–17, 2022
Paper No: GT2022-82686
... Abstract In the first part of the paper, surge signatures and the underlying mechanisms thereof for a high-speed centrifugal compressor were investigated using signals from fast-response transducers installed along the flow path. The compressor surge signature is observed to vary...
Proceedings Papers

Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A025, June 13–17, 2022
Paper No: GT2022-82861
... Abstract The interaction mechanism of impeller and diffuser stall in a centrifugal compressor with a vaneless diffuser was investigated by experimental and computational analyses. This study focuses on the effect of impeller stall on the diffuser stall behavior. Impeller stall rotated at 58...
Proceedings Papers

Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A022, June 13–17, 2022
Paper No: GT2022-82682
... Abstract The identification of stall inception mechanisms and stability-limiting components in a centrifugal compressor is required for development of effective surge suppression approaches. Part 1 of this two-part paper investigates the surge signature of a centrifugal compressor at subsonic...
Proceedings Papers

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A006, June 13–17, 2022
Paper No: GT2022-80356
... Abstract In the manufacturing process of single-shaft multistage centrifugal compressors for process gases, factory tests are conducted to confirm that the lateral vibration satisfies the allowable limits. One of the problems that must be taken care of during the test is the increase...
Proceedings Papers

Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A021, June 13–17, 2022
Paper No: GT2022-83171
... quickly achieve thermodynamic equilibrium, and non-equilibrium or meta-stable effects arguably play a marginal role in the process. CO 2 supercritical fluid centrifugal compressor experiments barotropic HEM speed of sound Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical...
Proceedings Papers

Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A036, June 13–17, 2022
Paper No: GT2022-84278
... Abstract The centrifugal compressor is one of the core components in a supercritical carbon dioxide (SCO2) Brayton cycle, in which the inlet state is near the critical point of CO2 to reduce the compression work. However, the thermodynamic properties of CO2 change dramatically near the critical...
Proceedings Papers

Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A006, June 13–17, 2022
Paper No: GT2022-81699
... centrifugal compressor windage losses Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical Conference and Exposition GT2022 June 13-17, 2022, Rotterdam, The Netherlands GT2022-81699 TWO STAGE RADIAL COMPRESSOR FOR A KILOWATT SCALE SUPERCRITICAL CARBON DIOXIDE POWER BLOCK: DESIGN CONSIDERATIONS...
Proceedings Papers

Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A002, June 13–17, 2022
Paper No: GT2022-80658
... experience of a full-scale 5 MW Centrifugal Compressor prototype designed for the sCO 2 -flex project (H2020 funded program, grant agreement #764690). The test rig replicated a complete recycle loop for the compressor. In addition to validating the compressor’s performances in its design condition, a larger...
Proceedings Papers

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A012, June 13–17, 2022
Paper No: GT2022-82426
... Abstract This paper presents the results of a numerical investigation on the influence of Reynolds number on the performance of a single stage centrifugal compressor with an outward wound volute with circular cross section. The main objectives of the presented work were to gain further...
Proceedings Papers

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A011, June 13–17, 2022
Paper No: GT2022-82423
... to achieve the boost pressures necessary for advanced engines of the future. Centrifugal compressors with vaneless diffusers have been widely implemented in turbochargers for IC engines, particularly passenger vehicles, mainly due to their compact size and ability to deliver high pressure ratios over a wide...
Proceedings Papers

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A014, June 13–17, 2022
Paper No: GT2022-83042
... Abstract This paper presents the results of a numerical investigation on the influence of wall roughness on the performance of centrifugal compressor volutes. The main objective of the presented work was to gain further knowledge on the highly three-dimensional flow inside the volute...
Proceedings Papers

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T19A006, June 13–17, 2022
Paper No: GT2022-82114
...-dimensional solver, called tFlow, for centrifugal compressors is presented in Part A of this paper. To validate and calibrate the model, an experimental test rig is developed and presented in this paper. The setup consists of a single-stage centrifugal compressor with a shrouded impeller providing a pressure...
Proceedings Papers

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T19A005, June 13–17, 2022
Paper No: GT2022-81797
... Abstract In centrifugal compressors, the shaft seal clearance is critical to equipment efficiency and performance. Applications employing very small seal clearances must rely on abradable materials in the stator (housing) to prevent damage to rotating components in the case of rubs...
Proceedings Papers

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T18A010, June 13–17, 2022
Paper No: GT2022-81705
... indicate that the tip clearance and the inlet blade angle on shroud are the main parameters that affect compressor aerodynamic performance and noise. centrifugal compressor impeller parameters sensitivity analysis compressor performance aerodynamic noise Proceedings of ASME Turbo Expo 2022...
Proceedings Papers

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T19A007, June 13–17, 2022
Paper No: GT2022-82170
... Abstract This paper presents the extension and validation of an Euler-based throughflow solver for the analysis of centrifugal compressors. The conservation equations are augmented with aerodynamic models suitable for describing a centrifugal compressor. The paper analyzes the impact...
Topics: Compressors
Proceedings Papers

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T18A001, June 13–17, 2022
Paper No: GT2022-78205
... Abstract Whoosh is typically the primary noise concern for turbocharger centrifugal compressors without ported shroud recirculating casing treatments, utilized for spark-ignition automotive applications. Whoosh is characterized by broadband elevation of noise in approximately the 4 to 13 kHz...
Proceedings Papers

Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT39A010, June 7–11, 2021
Paper No: GT2021-59869
... Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-59869 ROTATING MECHANISM OF DIFFUSER STALL IN A CENTRIFUGAL COMPRESSOR WITH VANELESS DIFFUSER Nobumichi Fujisawa1, Yuki Agari1, Yoshifumi Yamao1, Yutaka Ohta1...
Proceedings Papers

Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A010, June 7–11, 2021
Paper No: GT2021-59555
...-calculations, a inducer [m/s] new correlation of secondary flow and flow incidence is Volume flow, suction volume flow proposed, to be used for one-dimensional modelling. [m3/s] , 2 Relative velocity at inducer shroud Keywords: Centrifugal compressor, inducer incidence, inlet, at exducer [m/s] impeller...