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Keywords: compressors
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Journal Articles
Article Type: Research Papers
J. Fluids Eng. December 2010, 132(12): 121102.
Published Online: December 3, 2010
... Inlet Distortion on Multistage Compressor Stability ,” ASME J. Turbomach. 0889-504X , 118 , pp. 181 – 188 . Nie , C. , Zhang , J. , Tong , Z. , and Zhang , H. , 2006 , “ Response of a Low Speed Compressor on Rotating Inlet Distortion ,” J. Therm. Sci. 1003-2169 , 15 ( 4...
Journal Articles
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 the...
Journal Articles
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. In...
Journal Articles
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
Article Type: Research Papers
J. Fluids Eng. January 2010, 132(1): 011102.
Published Online: December 18, 2009
...Qiushi Li; Hong Wu; Ming Guo; Jie-Zhi Wu In a companion paper ( 2008, “Vorticity Dynamics in Axial Compressor Flow Diagnosis and Design,” ASME J. Fluids Eng., 130, p. 041102 ), a study has been made on the critical role of circumferential vorticity (CV) in the performance of axial compressor in...
Journal Articles
Article Type: Technical Briefs
J. Fluids Eng. January 2010, 132(1): 014501.
Published Online: December 15, 2009
.... 05 04 2008 25 10 2009 15 12 2009 Creux , L. , 1905 , “ Rotary Engine ,” U.S. Patent No.801,182 . Zhenquan , L. , and Du Guirong , Q. Z. , 1994 , “ The Conjugacy Analysis of Modified Part of Scroll Profiles ,” Proceedings of the International Compressor...
Journal Articles
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
Article Type: Research Papers
J. Fluids Eng. September 2008, 130(9): 091401.
Published Online: August 11, 2008
..., “Two-Equation Modeling of Turbulent Rotating Flows,” Phys. Fluids., 17, p. 055110) to the ( k , ϵ ) model. The method of verification and validation is applied to assess the impact of these corrections on the computation of a centrifugal-compressor test case. First, a review of RC effects on turbulence...
Journal Articles
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 the...
Journal Articles
Article Type: Technical Papers
J. Fluids Eng. June 2007, 129(6): 773–779.
Published Online: November 22, 2006
...Chunwei Gu; Kazuo Yamaguchi; Toshio Nagashima; Hirotaka Higashimori Unsteady static pressure signals due to flow instability in two types of centrifugal compressors were analyzed by employing the phase portrait reconstruction method. The sampled data corresponded to several streamwise locations...
Journal Articles
Article Type: Technical Papers
J. Fluids Eng. November 2006, 128(6): 1192–1203.
Published Online: May 5, 2006
... method of flow control used here is perceived to have applications in turbomachinery like turbines and compressors. 24 02 2006 05 05 2006 Reichert , B. A. , and Wendt , B. J. , “ Experimental Investigation of S-duct Flow Control using...
Journal Articles
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
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. This...
Journal Articles
Article Type: Technical Papers
J. Fluids Eng. November 2005, 127(6): 1059–1070.
Published Online: July 11, 2005
... 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...
Journal Articles
Article Type: Technical Papers
J. Fluids Eng. January 2005, 127(1): 94–97.
Published Online: March 22, 2005
...Joseph T. Hamrick Before and during World War II, the design and development of single stage high pressure ratio centrifugal compressors was essentially a cut-and-try exercise. To reach a high pressure without substantial experimentation required multiple stages of impellers and diffusers with...
Journal Articles
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...
Journal Articles
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 of...
Journal Articles
Article Type: Technical Papers
J. Fluids Eng. September 2003, 125(5): 779–785.
Published Online: October 7, 2003
...Abraham Engeda; Yunbae Kim; Ronald Aungier; Gregory Direnzi The performance of centrifugal compressors can be seriously degraded by inlet flow distortions that result from an unsatisfactory inlet configuration. In this present work, the flow is numerically simulated and the flow details are...
Journal Articles
Article Type: Technical Papers
J. Fluids Eng. June 2002, 124(2): 342–347.
Published Online: May 28, 2002
... , Oct., pp. 704 – 713 . Storace, A. F., Wisler, D. C., Shin, H.-W., Beacher, B. F., Ehrich, F. F., Spakovszky, Z. S., Martinez-Sanchez, M., and Song, S. J., 2000, “Unsteady flow and whirl-inducing forces in axial-flow compressors. Part I—experiment,” Proceedings of ASME Turbo Expo 2000. Ehrich, F...
Journal Articles
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...