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Keywords: vaned diffuser
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Journal Articles

Investigation of Surge in a Transonic Centrifugal Compressor With Vaned Diffuser—Part I: Surge Signature

Fangyuan Lou, Herbert M. Harrison, Nicole L. Key
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051003.
Paper No: TURBO-22-1146
DOI: https://doi.org/10.1115/1.4055866
Published Online: November 8, 2022
... is determined to be the origin of instability throughout most of the compressor map. The observation of impeller-induced instability refreshes the conventional understanding that the diffuser is typically the stability-limiting component for centrifugal compressors with vaned diffusers and suggests various...
View Article titled, Investigation of Surge in a Transonic Centrifugal Compressor With <span class="search-highlight">Vaned</span> <span class="search-highlight">Diffuser</span>—Part I: Surge Signature
Click here to open pdf in another window PDF for Investigation of Surge in a Transonic Centrifugal Compressor With <span class="search-highlight">Vaned</span> <span class="search-highlight">Diffuser</span>—Part I: Surge Signature
Topics: Compressors, Diffusers, Surges, Impellers, Pressure
Journal Articles

Investigation of Surge in a Transonic Centrifugal Compressor With Vaned Diffuser: Part II—Correlation With Subcomponent Characteristics

Fangyuan Lou, Herbert M. Harrison, William J. Brown, Nicole L. Key
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051004.
Paper No: TURBO-22-1147
DOI: https://doi.org/10.1115/1.4055865
Published Online: November 8, 2022
... 08 2022 11 08 2022 08 11 2022 stall surge spike-type surge modal-type surge centrifugal compressor vaned diffuser stability-limiting component centrifugal compressors and pumps compressor stall surge and operability As reported in Part I of the paper...
View Article titled, Investigation of Surge in a Transonic Centrifugal Compressor With <span class="search-highlight">Vaned</span> <span class="search-highlight">Diffuser</span>: Part II—Correlation With Subcomponent Characteristics
Click here to open pdf in another window PDF for Investigation of Surge in a Transonic Centrifugal Compressor With <span class="search-highlight">Vaned</span> <span class="search-highlight">Diffuser</span>: Part II—Correlation With Subcomponent Characteristics
Topics: Compressors, Diffusers, Flow (Dynamics), Impellers, Pressure, Stability, Surges, Mach number, Shock (Mechanics)
Journal Articles

Experimental and Numerical Study of an Open Impeller Centrifugal Compressor Stage Utilizing Three-Dimensional (3D) Diffuser End Wall Contouring for Operating Range Extension

Daniel Hermann, Manfred Wirsum, Douglas Robinson, Philipp Jenny
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2021, 143(9): 091018.
Paper No: TURBO-21-1053
DOI: https://doi.org/10.1115/1.4051045
Published Online: July 14, 2021
... Diffuser ,” Proceedings of ASME Turbo Expo 2018 , Oslo, Norway , ASME Paper No. GT2018-75462, pp. 1 – 12 . [11] Fujisawa , N. , Ema , D. , and Ohta , Y. , 2017 , “ Unsteady Behavior of Diffuser Stall in a Centrifugal Compressor With Vaned Diffuser ,” Proceedings of ASME Turbo Expo...
View Article titled, Experimental and Numerical Study of an Open Impeller Centrifugal Compressor Stage Utilizing Three-Dimensional (3D) Diffuser End Wall Contouring for Operating Range Extension
Click here to open pdf in another window PDF for Experimental and Numerical Study of an Open Impeller Centrifugal Compressor Stage Utilizing Three-Dimensional (3D) Diffuser End Wall Contouring for Operating Range Extension
Topics: Design, Diffusers, Flow (Dynamics), Mach number, Stability, Compressors, Impellers, Computational fluid dynamics
Journal Articles

Counter-Propagating Rotating Stall of Vaned Diffuser in a Centrifugal Compressor Near Design Condition

Yu Du, Hua-Shu Dou, Fuan Lu
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. November 2020, 142(11): 111007.
Paper No: TURBO-20-1054
DOI: https://doi.org/10.1115/1.4048604
Published Online: October 15, 2020
...Yu Du; Hua-Shu Dou; Fuan Lu Unstable flow in the vaned diffuser of a centrifugal compressor stage near design condition is investigated by numerical simulation. The simulation is performed with the unsteady Navier–Stokes equations and three different turbulence models. Comparisons...
View Article titled, Counter-Propagating Rotating Stall of <span class="search-highlight">Vaned</span> <span class="search-highlight">Diffuser</span> in a Centrifugal Compressor Near Design Condition
Click here to open pdf in another window PDF for Counter-Propagating Rotating Stall of <span class="search-highlight">Vaned</span> <span class="search-highlight">Diffuser</span> in a Centrifugal Compressor Near Design Condition
Topics: Blades, Compressors, Design, Diffusers, Flow (Dynamics), Impellers, Air flow, Rotation