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Keywords: compressors
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. December 2010, 132(12): 121102.
Published Online: December 3, 2010
... distortion as compared with counter-rotating inflow distortion. 08 12 2009 27 10 2010 03 12 2010 03 12 2010 aerodynamics blades compressors fans flow measurement rotational flow turbomachinery wavelet transforms flow instability rotating stall static inflow...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. September 2010, 132(9): 091101.
Published Online: September 3, 2010
...Semi Kim; Junyoung Park; Kukyoung Ahn; Jehyun Baek In centrifugal compressors, the diffuser and the volute have strong influences on the flow discharged from the impeller and thus also on the performance. In particular, a key parameter is the radial velocity at the volute inlet; it determines...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Fluids Eng. June 2010, 132(6): 064502.
Published Online: June 23, 2010
...Seung Chul Back; June Hyuk Sohn; Seung Jin Song This paper presents an experimental investigation of roughness effects on aerodynamic performance in a low-speed linear compressor cascade. Equivalent sandgrain roughnesses of 12 μ m , 180 μ m , 300 μ m , 425 μ m , and 850 μ m have been tested...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. May 2010, 132(5): 051110.
Published Online: May 14, 2010
...Young-Seok Kang; Shin-Hyoung Kang It is well-known that nonuniform tip clearance in an axial compressor induces pressure and velocity perturbations along the circumferential direction. This study develops a numerical modeling to predict perturbed flows in an axial compressor with a nonuniform tip...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Fluids Eng. January 2010, 132(1): 014501.
Published Online: December 15, 2009
... 10 2009 15 12 2009 compressors deformation fluidics geometry scroll fluid machine general profile scroll compression chamber general geometrical model The working principle of scroll fluid machine has been known since 1905 when it was invented by Leon Creux ( 1...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. April 2009, 131(4): 041102.
Published Online: March 6, 2009
...Hui Zhou; Zongchang Qu; Hua Yang; Bingfeng Yu The synchronal rotary compressor (SRC) has been developed to resolve high friction and severe wear that usually occur in conventional rotary compressors due to the high relative velocity between the key tribo-pairs. In this study, the working principle...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. April 2008, 130(4): 041102.
Published Online: April 3, 2008
...Yantao Yang; Hong Wu; Qiushi Li; Sheng Zhou; Jiezhi Wu It is well recognized that vorticity and vortical structures appear inevitably in viscous compressor flows and have strong influence on the compressor performance. However, conventional analysis and design procedure cannot pinpoint...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. November 2006, 128(6): 1192–1203.
Published Online: May 5, 2006
... of flow control used here is perceived to have applications in turbomachinery like turbines and compressors. 24 02 2006 05 05 2006 In order to study the physical mechanism of the VGJ effectiveness in the secondary flow and separation control, smoke visualization was employed. The skew...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. November 2006, 128(6): 1274–1280.
Published Online: March 27, 2006
...Yong Sang Yoon; Seung Jin Song; Hyoun-Woo Shin Experiments have been performed on the low speed research compressor (LSRC) at General Electric Aircraft Engines to investigate the effects of flow coefficient, stagger angle, and tip clearance on tip vortex. Time resolved casing pressure distributions...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. September 2006, 128(5): 947–955.
Published Online: February 21, 2006
...M. M. Cui Since scroll compressors contain gas pockets whose shapes and sizes change continuously, the flow fields inside the compressors are time dependent and three-dimensional. The spatial and temporal variations inside the gas pockets also induce unsteady flows between the gas pockets...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. November 2005, 127(6): 1059–1070.
Published Online: July 11, 2005
...), and the flow around a double circular arc (DCA) compressor cascade in quasi-off-design condition ( i = − 1.5 ° ) [ Zierke and Deutsch, NASA Contract Report 185118 (1989) ]. The comparison between computations and experiments shows a satisfactory performance of the HJ model in predicting complex turbomachinery...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. March 2006, 128(2): 370–377.
Published Online: March 8, 2005
... in the order of 4545 kg ( 10,000 lb. ) . It is concluded that the resulting requirements for both the fuel consumption and engine thrust/weight ratio for such aircraft will require high compressor exit and turbine inlet temperatures, together with bypass ratios that are significantly higher than typical...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. September 2004, 126(5): 799–806.
Published Online: December 7, 2004
...A´rpa´d Veress; Rene´ Van den Braembussche The design and optimization of a multistage radial compressor vaneless diffuser, cross-over and return channel is presented. An analytical design procedure for 3D blades with prescribed load distribution is first described and illustrated by the design...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. June 2002, 124(2): 342–347.
Published Online: May 28, 2002
... of the flow channel, with minor contribution of tip leakage on the destabilization. turbines swirling flow rotors vibrations compressors pumps 11 The effect of front shroud (ϕ=0.424) An analytical method is proposed for the prediction of unsteady forces on whirling open-type...
Journal Articles
Publisher: ASME
Article Type: Article
J. Fluids Eng. September 2001, 123(3): 465.
Published Online: September 1, 2001
...Yoshinobu Tsujimoto, Associate Editor Navier-Stokes equations computational fluid dynamics pumps compressors turbines This volume contains eight papers on turbomachinery covering CFD applications, detailed flow measurements on unsteady flow, new design methods and control devices...