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Keywords: turbomachinery
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Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. February 2024, 146(2): 021203.
Paper No: FE-23-1381
Published Online: December 11, 2023
...Hanting Gao; Xu Dong; Ruize Xu; Lei Gao; Dakun Sun; Xiaofeng Sun A clear understanding of the turbomachinery wake flow field is one of the key problems in developing turbomachinery aerodynamics. The theoretical model of helical vortices is established in cylindrical coordinates ( r , θ , z...
Journal Articles
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. December 2010, 132(12): 121102.
Published Online: December 3, 2010
... 2010 03 12 2010 03 12 2010 aerodynamics blades compressors fans flow measurement rotational flow turbomachinery wavelet transforms flow instability rotating stall static inflow distortion dynamic inflow distortion stall inception Stable compressor operation...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. September 2010, 132(9): 091103.
Published Online: September 23, 2010
... of Centrifugal Fans ,” ASME Paper No. 78-WA/PTC-1. 22 02 2010 10 08 2010 23 09 2010 23 09 2010 aerodynamics blades computational fluid dynamics flow separation impact (mechanical) impellers jets pipe flow turbomachinery vortices For centrifugal turbomachinery...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. June 2010, 132(6): 061105.
Published Online: June 23, 2010
...Yoshiki Yoshida; Masato Eguchi; Taiichi Motomura; Masaharu Uchiumi; Hirotaka Kure; Yoshiyulki Maruta Asymmetric cavitation, in which cavity lengths are unequal on each blade, is known as a source of cavitation induced shaft vibration in turbomachinery. To investigate the relationship of the uneven...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. September 2009, 131(9): 091302.
Published Online: August 18, 2009
... of the cavity length through the thermodynamic effect. 14 04 2008 21 06 2009 18 08 2009 cavitation thermodynamics turbomachinery thermodynamic effect cavitating inducer rotating cavitation cavity length fluid force In rocket engines, the turbopump inducer, which...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. July 2009, 131(7): 071102.
Published Online: June 22, 2009
... the axisymmetry of the flow pattern and the fluid forces obtained. However, some particular features produce also interesting results for off-design operating points. 25 01 2008 16 04 2009 22 06 2009 impellers Navier-Stokes equations pumps turbomachinery The flow field inside...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. September 2008, 130(9): 091401.
Published Online: August 11, 2008
... experimental values for the Radiver test case. Numerical results obtained on Grid B. 25 04 2007 22 05 2008 11 08 2008 compressors extrapolation rotational flow turbomachinery turbulence viscosity Flows in turbomachines, and particularly in centrifugal compressors...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. November 2007, 129(11): 1436–1444.
Published Online: April 13, 2007
...Antoine Dazin; Guy Caignaert; Gérard Bois A theoretical analysis of the fast transients of turbomachineries, based on the study of unsteady and incompressible fluids mechanics equations applied to an impeller, is proposed. It leads to internal torque, internal power, and impeller head...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. September 2007, 129(9): 1212–1227.
Published Online: March 31, 2007
...G. A. Gerolymos; I. Vallet The purpose of this paper is to present a numerical methodology for the computation of complex 3D turbomachinery flows using advanced multiequation turbulence closures, including full seven-equation Reynolds-stress transport models. The flow equations are discretized...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. August 2007, 129(8): 1002–1014.
Published Online: January 24, 2007
... ( 1 ), pp. 35 – 60 . You , D. , Moin , P. , Wang , M. , and Mittal , R. , 2004 , “ Study of Tip Clearance Flow in a Turbomachinery Cascade Using Large Eddy Simulation ,” Report TF-86, Department of Mechanical Engineering, Stanford University, Stanford, California. You...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. June 2007, 129(6): 731–736.
Published Online: December 21, 2006
...-Cavitating Flow ,” NASA TN D-6556. 28 08 2006 21 12 2006 cavitation pumps turbomachinery rotational flow flow instability Ever since the recognition of the POGO instability of liquid-propelled rockets more than 40 years ago ( 1 2 ), much attention has been directed...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. May 2007, 129(5): 587–594.
Published Online: September 28, 2006
... , A. , 2003 , “ An Overset Finite-Element Large-Eddy Simulation Method With Applications to Turbomachinery and Aeroacoustics ,” ASME J. Appl. Mech. 0021-8936 10.1115/1.1530637 , 70 , pp. 32 – 43 . Yamamoto , K. , 1992 , “ Instability in a Cavitating Centrifugal Pump (3rd Report, Mechanism...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. January 2007, 129(1): 15–22.
Published Online: July 3, 2006
... by Helical Inducer ,” Trans. Jpn. Soc. Mech. Eng., Ser. B 0387-5016 , 44 , pp. 960 – 969 . 19 09 2005 03 07 2006 cavitation turbomachinery pumps impellers blades cavitation inducer turbopump J-Groove suction performance Cavitation occurring in turbomachinery...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. February 2007, 129(2): 128–135.
Published Online: May 23, 2006
... 2006 cavitation blades rocket engines turbomachinery pumps finite volume methods flow instability To achieve operation at high rotational speed and low inlet pressure, rocket engine turbopumps are generally equipped with an axial inducer stage. Under such operating conditions...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. November 2005, 127(6): 1059–1070.
Published Online: July 11, 2005
...Domenico Borello; Kemal Hanjalic; Franco Rispoli We report on the performances of two second-moment turbulence closures in predicting turbulence and laminar-to-turbulent transition in turbomachinery flows. The first model considered is the one by Hanjalic and Jakirlic (HJ) [Comput. Fluids, 27(2...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. November 2005, 127(6): 1183–1190.
Published Online: July 1, 2005
...Guoyi Peng A practical combined computation method of the circumferentially averaged mean through-flow is presented for 3D inverse computations of hydraulic turbomachinery blades to consider the influence of interrelated hydraulic components. A comprehensive computation domain including the runner...
Journal Articles
Publisher: ASME
Article Type: Article
J. Fluids Eng. November 2004, 126(6): 960–965.
Published Online: March 11, 2005
... these terms in turbomachinery design to obtain reduced impeller moment fluctuations in high power concentration applications for greater machine reliability. The most obvious way to manipulate these terms is by increasing the radial gap size but other methods such a decreasing the blade loading or reducing...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. March 2005, 127(2): 317–321.
Published Online: October 12, 2004
... as a variable of great significance in the analysis of turbomachinery, there seem to be a misconception regarding its concept and application. Indeed, empirical correlations have been widely used to estimate the slip factor, even in the case of two-phase flow applications, where it has not been investigated...