Validating full cavitation model with an experimental centrifugal pump

• Autorzy: Li W., -G.
• Języki publikacji: EN

Abstrakty

EN

The full cavitation model is increasingly applied in the cavitating flow simulation and the cavitation performance prediction of a centrifugal pump to improve or optimize its hydraulic design. Since the model involves surface tension and non-condensable gas content, it can be potentially applied in predicting cavitation behaviour of a centrifugal pump when handling viscous oils that possess different surface tension and gas content than water. However, the model has not been validated extensively against experimental incipient cavitation and NPSHr (net positive suction head required) data so far. In the paper, the cavitation performance of an experimental centrifugal pump is investigated using the CFD code and the full cavitation model when pumping water. The incipient cavitation number-flow rate curve and head-NPSHa (net positive suction head available) relationship are established and compared with experimental observations. The relationship between the head and integrated vapour-liquid volume ratio in the impeller is argued. The influence of the non-condensable gas content and turbulence model on the head-NPSHa curve is clarified. The cavity pattern predicted is compared with the visualized one. The computational methods adopted and the results achieved here can be useful for the cavitation performance prediction of a centrifugal pump in engineering.

Słowa kluczowe

EN

centrifugal pump; cavitation; incipient cavitatio; suction performance; net positive suction head required; net positive suction head available; CFD

• Wydawca: Politechnika Gdańska
• Czasopismo: TASK Quarterly : scientific bulletin of Academic Computer Centre in Gdansk
• Rocznik: 2014
• Tom: Vol. 18, No 1
• Strony: 81--100
• Opis fizyczny: Bibliogr. 45 poz., rys., tab.

Twórcy

autor

Li W., -G.

• Department of Fluid Machinery, Lanzhou University of Technology 730050 Lanzhou, Gansu, China

Bibliografia

• [1] Minami S and Kawaguchi K 1960 Bulletin of JSME 3 (9) 19
• [2] Yokoyama S 1960 Bulletin of JSME 3 (11) 326
• [3] Kasai T and Takamatu Y 1963 Transitions of the JSME, Series 2 29 (204) 1308
• [4] Kasai T, Takamatu Y 1964 Bulletin of JSME 7 (27) 543
• [5] Hofmann M, Stoffel B, Coutier-delgosha O, Fortes-Patella R and Reboud J L 2001 Experimental and numerical studies on a centrifugal pump with 2D-curved blades in cavitating condition, Proceedings of the 4th International Symposium on Cavitation, California Institute of Technology, Pasadena, California, USA
• [6] Hofmann M, Stoffel B, Friedichs J and Kosyna G 2001 Similarities and geometrical effects on rotating cavitation in two scalded centrifugal pumps, Proceedings of the 4th International Symposium on Cavitation, California Institute of Technology, Pasadena, California, USA
• [7] Hirschi R, Dupont P, Avellan F, Favre J N, Guelich J F and Parkinson E 1998 ASME Journal of Fluids Engineering 120 (4) 705
• [8] Wursthorn S and Schnerr G H 2001 ZAMM 81 579
• [9] Medvitz R B, Kunz R K, Boger D A, Lindau J W, Yocum A M and Pauley L L 2002 ASME Journal of Fluids Engineering 124 (2) 377
• [10] Athavale M M, Li H Y, Jiang Y and Singhal A 2002 International Journal of Rotating Machinery 8 (1) 45
• [11] Couier-Delgosha O, Patella R R, Rebound J L, Hofmann M and Stoffel B 2003 ASME Journal of Fluids Engineering 125 (6) 970
• [12] Dupont P and Okamura T 2003 International Journal of Rotating Machinery 9 (3) 163
• [13] Nohmi M, Goto A, Iga Y and Ikohagi T 2003 Cavitation CFD in a centrifugal pump, Proceedings of the 5th International Symposium on Cavitation, Osaka, Japan
• [14] Luo X W, Nishi M, Yoshida K, Dohzono H and Miura K 2003 Cavitation performance of a centrifugal impeller suitable for mini turbo-pump, Proceedings of the 5th International Symposium on Cavitation, Osaka, Japan
• [15] Dupont P 2004 Numerical prediction of cavitation in pumps, Proceedings of the 18th International Pump Users Symposium, Turbomachinery Laboratory, Texas A&M University USA 59
• [16] Li J, Liu L J and Feng Z P 2006, Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 220 783
• [17] Pouffary B, Patella R F, Rebound J L and Lambert R A 2008 ASME Journal of Fluids Engineering 130 (6), 061301–1-10
• [18] Pierrat D, Gros L, Pintrand G, Le Fur B and Gyomlai Ph 2009 Experimental and numerical investigations of leading edge cavitation in a helicon-centrifugal pump, Proceedings of the 12th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, Honolulu, Hawii, USA 1
• [19] Stuparu A, Muntean S, Susan-Resiga R, and Anton L 2009 Numerical investigation of the cavitational behavior of a storage pump, Proceedings of the 3rd IAHR International Meeting of the Workgroup on Cavitation and Dynamic Problems in Hydraulic Machinery and Systems, Brno, Czech Republic
• [20] Stuparu A, Susan-Resiga R, Anton L and Muntean S 2011 International Journal of Fluid Machinery and Systems 4 (1) 104
• [21] Balasubramanian R, Sabini E and Bradshaw S 2011 Influence of impeller leading edge profile on cavitation and suction performance, Proceedings of the 27th International Pump Users Symposium, Turbomachinery Laboratory, Texas A&M University, Houston, Texas, USA 34
• [22] Zhuang B T, Luo X W, Zhu L, Wang X and Xu H Y 2011 International Journal of Fluid Machinery and Systems 4 (1) 191
• [23] Ding H, Vissr F C, Jiang Y and Furmanczyk M 2011 ASME Journal of Fluids Engineering 133 (1), 0110101-1-14
• [24] Hedi L, Hatem K and Ridha Z 2012 Science of Academy Transactions on Renewable Energy Systems Engineering and Technology 2 (1) 179
• [25] Somashekar D and Purushothama H R 2012 IOSR Journal of Mechanical and Civil Engineering 1 (5) 21
• [26] Zwart P, Gerber A G and Belamri T 2004 A two-phase model for predicting cavitation dynamics Proceedings of the 5th International Conference on Multiphase Flow, Yokohama, Japan 1
• [27] Schnerr G H and Sauer J 2001 Physical and numerical modeling of unsteady cavitation dynamics, Proceedings of the 4th International Conference on Multiphase Flow, New Orleans, USA 1
• [28] Kunz R F, Boger D A, Stinebring D R, Chyczewskia T S, Lindaua J W, Gibelinga H J, Venkateswaranb S and Govindanc T R 2000 Computers and Fluids 29 (8) 849
• [29] Singhal A K, Athavale M M, Li H and Jiang Y 2002 ASME Journal of Fluids Engineering 124 (3) 617
• [30] Ishihara T 1982 Transactions of the JSME, Series B 48 (434) 1829
• [31] Li W G 2012 Pump Technology 6 1
• [32] van Os M J, op de Woerd J G H and Jonker J B 1997 A parametric study of the cavitation inception behavior of a mixed-flow pump impeller using a three-dimensional potential flow model, Proceedings of the ASME Fluids Engineering Division Summer Meeting, Vancouver, Canada
• [33] Visser F C, Dijkers R J H and op de Woerd J G H 2000 Computing Visualization in Science 3 (1–2) 103
• [34] Farrell K 2003 ASME Journal of Fluids Engineering 125 (1) 46
• [35] Pisarenco M, van der Linden B, Tijsseling A, Ory E and Dam J 2011 ASME Journal of Offshore Mechanics and Arctic Engineering 133, 011101-1-8
• [36] Anonymous 2005 FLUENT 6.2 User’s Guide, Volume 1 and 2, Fluent Inc
• [37] Fisher K 1946 Investigation of flow in a centrifugal pump, NACA TM-1089
• [38] Palgrave R and Cooper P 1987 Visual studies of cavitation in pumping machinery Proceedings of the 3rd International Pump User Symposium, Turbomachinery Laboratory, Texas A&M University, USA 61
• [39] Gopalakrishman S 1985 Modern cavitation criteria for centrifugal pumps, Proceedings of the 2nd International Pump User Symposium, Turbomachinery Laboratory, Texas A&M University, USA 3
• [40] Ardizzon G and Pavesi G 1995 Theoretical evaluation of the effects of the impeller entrance geometry and of the incidence angle on cavitation inception in centrifugal pumps, Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 209 29
• [41] Wan S Y, Mu J G and Ye B 1990 An approach to cavitation criterion selection and impeller design methods for centrifugal pumps, Proceedings of the 3rd Japan-China Joint Conference on Fluid Machinery, Volume I, Osaka, Japan 169
• [42] Hirotsu M and Kang C M 1968, Memoirs of the Institute of Sciences and Technology, Meiji University 7 79
• [43] Arndt R E A and Keller A P 1992 ASME Journal of Fluids Engineering 114 (3) 430
• [44] Eickmann G 1993 Journal of Hydraulic Research 31 (3) 347
• [45] Keller A P 2001, Proceedings of the 4th International Symposium on Cavitation, California Institute of Technology, Pasadena, CA, USA