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Keywords: rotating stall
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Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2025, 147(4): 041010.
Paper No: TURBO-24-1247
Published Online: October 25, 2024
... coefficient References [1] Greitzer , E. M. , 1976 , “ Surge and Rotating Stall in Axial Flow Compressors—Part I: Theoretical Compression System Model ,” ASME J. Eng. Gas Turbines Power , 98 ( 2 ), pp. 190 – 198 . 10.1115/1.3446138 [2] Greitzer , E. M. , 1976b , “ Surge...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2023, 145(12): 121011.
Paper No: TURBO-23-1175
Published Online: October 19, 2023
... rotating stall centrifugal compressors and pumps compressor stall surge and operability It is common to observe that centrifugal compressor pressure rise characteristic has a sudden pressure loss. It causes a slope change of the characteristic, rolling over from “−”ve to “+”ve at high-speed...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051009.
Paper No: TURBO-22-1280
Published Online: November 25, 2022
...Julien Marty; Lionel Castillon; Pierric Joseph The operating range of a compressor is limited by surge or rotating stall line, among others. Numerical simulations must accurately predict these phenomena. This study is based on the experimental compressor CME2, which is a low-subsonic axial...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051010.
Paper No: TURBO-22-1284
Published Online: November 25, 2022
..., the impeller rotating stall happens at the first critical point where the diffuser instability is also enhanced. This is caused by the increase of the flow non-uniformity at the impeller exit as well as increased diffuser inflow angle due to the impeller compressibility effect. Therefore, both the impeller...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2022, 144(10): 101010.
Paper No: TURBO-20-1318
Published Online: April 21, 2022
... passages is used to conduct unsteady simulations that trace the onset of instability in the compressor. Backward-traveling rotating stall waves appear at the inlet of the radial diffuser when the compressor is throttled. Six stall cells propagate circumferentially at approximately 0.7% of the impeller...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2022, 144(6): 061010.
Paper No: TURBO-21-1188
Published Online: February 24, 2022
...Zeyuan Yang; Yadong Wu; Hua Ouyang Rotating instability (RI) and rotating stall (RS) are two types of aerodynamic instability in axial compressors. The former features the side-by-side peaks below the blade passing frequency (BPF) in frequency spectra, and the latter represents one or more stall...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2021, 143(9): 091013.
Paper No: TURBO-20-1052
Published Online: May 12, 2021
...Wei Li; Leilei Ji; Enda Li; Ling Zhou; Ramesh K. Agarwal The non-uniform disturbance in the circumferential direction is the essential cause of the occurrence of rotating stall in a turbomachinery. In order to study the effect of tip clearance leakage flow on rotating stall, the mixed-flow pump...
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
.... The simulation results show that an abnormal counter-propagating rotating stall in the vaned diffuser is detected near design condition. The rotating stall displays that four stall cells near the shroud side of the vaned diffuser propagate slowly at a rate of approximately 0.675% of the impeller rotating...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. October 2014, 136(10): 101003.
Paper No: TURBO-13-1169
Published Online: July 22, 2014
...Flore Crevel; Nicolas Gourdain; Stéphane Moreau In this paper, the effects of the volumes of the compressor rig on the near-surge flow and on the compressor stability have been investigated and analyzed. First, the two numerical setups used to investigate rotating stall in the axial...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2013, 135(2): 021004.
Paper No: TURBO-11-1246
Published Online: November 1, 2012
...-averaged Navier-Stokes (RANS) solver. The comparisons between the experiment and simulation mainly cover performance curves and time-domain pressure traces of Kulites during rotating stall. At two different fan speeds, the stall characteristics such as the number and rotating speed of the stall cells were...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2012, 134(4): 041010.
Published Online: July 21, 2011
... 2010 31 12 2010 21 07 2011 21 07 2011 compressible flow compressors finite difference methods flow instability Mach number rotational flow singular value decomposition vaneless diffuser rotating stall 3D compressible flow linear inviscid model The radial...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041013.
Published Online: April 21, 2011
...Minsuk Choi; Mehdi Vahdati; Mehmet Imregun An implicit, time-accurate 3D compressible Reynolds-averaged Navier-Stokes (RANS) solver is used to simulate rotating stall inception and recovery, the so-called rotating stall hysteresis, in the case of a modern fan geometry. In the first instance...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021016.
Published Online: October 22, 2010
... derived for the circumferential speed of propagation of the waves, because the author felt that they should be expected to have an effect on the initiation and on the speed of propagation of the rotating stall in axial compressors. It was also shown that the phase angle between vibrating blades excited...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2008, 130(3): 031003.
Published Online: May 2, 2008
... circumferential position as shown on the sketch of the test rig in Fig. 1 . Originally, the experiments were carried out for an examination of rotating stall inception in the compressor. The acoustic phenomenon had been noticed during earlier experiments, but most of the several research teams analyzing...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2008, 130(1): 011023.
Published Online: January 30, 2008
...Huu Duc Vo; Choon S. Tan; Edward M. Greitzer A computational study to define the phenomena that lead to the onset of short length-scale (spike) rotating stall disturbances has been carried out. Based on unsteady simulations, we hypothesize there are two conditions necessary for the formation...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2007, 129(3): 503–511.
Published Online: July 25, 2006
...Ronald Mailach; Konrad Vogeler The stable operating range of axial compressors is limited by the onset of rotating stall and surge. These flow conditions endanger the reliability of operation and definitely have to be avoided in compressors of gas turbines. However, there is still a need to improve...
Journal Articles
Suppression of Rotating Stall by Wall Roughness Control in Vaneless Diffusers of Centrifugal Blowers
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. January 2001, 123(1): 64–72.
Published Online: February 1, 2000
...Masahiro Ishida; Daisaku Sakaguchi; Hironobu Ueki By positioning the completely rough wall locally on the hub side diffuser wall alone in the vaneless diffuser, the flow rate of rotating stall inception was decreased by 42 percent at a small pressure drop of less than 1 percent. This is based...