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1-18 of 18
Keywords: centrifugal compressor
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Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2024, 146(9): 091012.
Paper No: TURBO-22-1318
Published Online: July 15, 2024
...Meijie Zhang; Wangxia Wu; Chao Zhou Surge can lead to violent flow fluctuations in the compression system and damage to the blade structures. In this article, a fully three-dimensional numerical model of the centrifugal compressor surge is developed, and the accurate transient flow evolutions...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081014.
Paper No: TURBO-22-1277
Published Online: May 22, 2023
...Ben Zhao; Teng Zhou; Ce Yang Surge is a crucial problem for achieving a good working range of centrifugal compressor and power cycle safety. Effective and early detection of the surge is essential to avoid its onset. In this paper, experiments measuring the pressure and acoustic signals have been...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051003.
Paper No: TURBO-22-1146
Published Online: November 8, 2022
...Fangyuan Lou; Herbert M. Harrison; Nicole L. Key The identification of stall inception mechanisms and stability-limiting components in a centrifugal compressor is required for the development of effective surge suppression approaches. Part I of this two-part paper investigates the surge signature...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051004.
Paper No: TURBO-22-1147
Published Online: November 8, 2022
...Fangyuan Lou; Herbert M. Harrison; William J. Brown; Nicole L. Key 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...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2022, 144(11): 111011.
Paper No: TURBO-22-1110
Published Online: September 13, 2022
...Fangyuan Lou; Nicole L. Key Impeller discharge flow plays an important role in centrifugal compressor performance and operability for two reasons. First, it determines the work factor and relative diffusion for the impeller. Second, it sets the flow into the downstream stationary diffusion system...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081012.
Paper No: TURBO-21-1103
Published Online: March 4, 2022
.... However, investigations of the pre-stall and stall disturbances in centrifugal compressors remain insufficient owing to the various geometric structures in centrifugal compressors. In this study, a centrifugal compressor with a volute and vaneless diffuser was studied using high-response static pressure...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2022, 144(3): 031004.
Paper No: TURBO-21-1174
Published Online: October 1, 2021
... incompressible diffuser and von Karman flow (a model of centrifugal compressors). Next, we apply the proposed diagnostic tool to flow in a return channel. A return channel is a part of a multistage centrifugal compressor stage. Its principal function is to remove angular momentum. In this work, we apply...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2022, 144(2): 021005.
Paper No: TURBO-21-1079
Published Online: September 27, 2021
.... , and Casey , M. , 2013 , “ The Design Space Boundaries for High Flow Capacity Centrifugal Compressors ,” ASME J. Turbomach. , 135 ( 3 ), p. 031035 . 10.1115/1.4007548 [2] Hazby , H. , Robinson , C. , Casey , M. , Rusch , D. , and Hunziker , R. , 2018 , “ Free-Form Versus...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2021, 143(12): 121013.
Paper No: TURBO-21-1002
Published Online: July 27, 2021
...Ruihong Qin; Yaping Ju; Stephen Spence; Chuhua Zhang The advanced design of a centrifugal compressor with high efficiency and wide operating range is a challenging task due to the complex flow field arising from the three-dimensional geometry, especially for the high-speed, highly loaded...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2021, 143(9): 091020.
Paper No: TURBO-20-1262
Published Online: July 27, 2021
... guidelines for volute design. Finally, the validity of these study's findings for volutes with different geometrical features is examined by comparison with experimental data as well as with full-stage CFD. Fig. 1 ( a ) Speed map of a typical centrifugal compressor with a vaneless diffuser and ( b...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2021, 143(9): 091018.
Paper No: TURBO-21-1053
Published Online: July 14, 2021
...Daniel Hermann; Manfred Wirsum; Douglas Robinson; Philipp Jenny Highly efficient and concurrent flexible operation are heavy demands on today's centrifugal compressor units. Diffuser end wall contouring is a measure to delay the incipience of instability and therefore to extend the compressor's...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2021, 143(10): 101010.
Paper No: TURBO-21-1015
Published Online: May 17, 2021
...Nicolas Poujol; Isabelle Trébinjac; Pierre Duquesne A research centrifugal compressor stage designed and built by Safran Helicopter Engines is tested at three inlet guide vanes (IGV) stagger angles. The compressor stage includes four blade rows: axial inlet guide vanes, a backswept splittered...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2021, 143(8): 081003.
Paper No: TURBO-20-1350
Published Online: April 26, 2021
... centrifugal compressor is reconstructed using pressure readings from nine static pressure taps placed on the hub of the diffuser. The magnitude and phase information for the first three dominant wavelets are characterized. Additionally, the method shows significant advantages over the traditional averaging...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2020, 142(12): 121004.
Paper No: TURBO-19-1213
Published Online: October 19, 2020
...Ruihong Qin; Yaping Ju; Lee Galloway; Stephen Spence; Chuhua Zhang The matching and interaction between the impeller and vaned diffuser is the most important aerodynamic-coupling between the components of a high-speed centrifugal compressor. Many research studies have been carried out during...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2020, 142(11): 111007.
Paper No: TURBO-20-1054
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...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2020, 142(9): 091002.
Paper No: TURBO-20-1014
Published Online: July 30, 2020
...T. Rossbach; J. Bisping; D. R. Grates; P. Jeschke; A. Hildebrandt; H. Franz This paper presents an analysis of the flow in the return system of a centrifugal compressor with a flow coefficient of 0.15. Based on the detailed experimental and numerical data, the areas of high losses and potentials...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2011, 133(1): 011025.
Published Online: September 27, 2010
...Jason A. Bourgeois; Robert J. Martinuzzi; Eric Savory; Chao Zhang; Douglas A. Roberts The accurate prediction of mean flow fields with high degrees of curvature, adverse pressure gradients, and three-dimensional turbulent boundary layers typically present in centrifugal compressor stages...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2010, 132(2): 021005.
Published Online: January 11, 2010
...K. M. Guleren; I. Afgan; A. Turan The turbulent flow inside a low-speed centrifugal compressor at design condition is investigated using large-eddy simulation (LES) comprising of up to 26 × 10 6 computational volume cells. Unlike in the past, the current study’s special emphasis is placed...