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International journal of fluid machinery and systems v.1 no.1, 2008년, pp.101 - 108   피인용횟수: 1

Reynolds Number Effect on Regenerative Pump Performance in Low Reynolds Number Range

Horiguchi, Hironori    (Graduate School of Engineering Science, Osaka University   ); Yumiba, Daisuke    (Matsushita Home Appliances Company, Matsushita Electric Industrial Co., Ltd.   ); Tsujimoto, Yoshinobu    (Graduate School of Engineering Science, Osaka University   ); Sakagami, Masaaki    (Taisei Kogyo Co., Ltd.   ); Tanaka, Shigeo    (Taisei Kogyo Co., Ltd.  );
  • 초록

    The effect of Reynolds number on the performance of a regenerative pump was examined in a low Reynolds number range in experiment. The head of the regenerative pump increased at low flow rates and decreased at high flow rates as the Reynolds number decreased. The computation of the internal flow was made to clarify the cause of the Reynolds number effect. At low flow rates, the head is decreased with increasing the Reynolds number due to the decrease of the shear force exerted by the impeller caused by the increase of leakage and hence local flow rate. At higher flow rates, the head is increased with increasing the Reynolds number with decreased loss at the inlet and outlet as well as the decreased shear stress on the casing wall.


  • 주제어

    Regenerative Pump .   Pump Performance .   Reynolds Number Effect .   Low Reynolds number.  

  • 참고문헌 (9)

    1. Yamazaki, S., Tomita, Y., and Sasahara, T., 1971, “Research on the Performance of Regenerative Pump with InclinedVanes (2nd Report, Influence of Pump Elements),” Transactions of the JSME, Series 2, Vol. 37, No. 299, pp. 1336-1342 (inJapanese). 
    2. Hollenberg, J. W., 1987, “Reynolds Number Effects on Regenerative Pump Performance,” ASME J. Eng. for Industry,Vol. 109, No. 4, pp. 392-395. 
    3. Iversen, H. W., 1955, “Performance of the Periphery Pump,” Transactions of the ASME, Vol. 77, No. 1, pp. 19-28. 
    4. Shimosaka, M. and Yamazaki, S., 1960, “Research on the Characteristics of Regenerative Pump (1st Report, Influence ofFlow Channel and Impeller),” Bulletin of JSME, Vol. 3, No. 10, pp. 185-190. 
    5. Murata, S., Inaba, T., and Hayashi, M., 1980, “An Investigation of Regenerative Fan (1st Report, Influence ofGeometries of Impeller and Intake,” Transactions of the JSME, Series B, Vol. 46, No. 410, pp. 1968-1976 (in Japanese). 
    6. Engels, H., 1940, “Untersuchungen an Ringpumpen (Seitenkanal-pumpen),” Dissertation, Tech. Hoch, Hannover. 
    7. Wilson, W. A., Santalo, M. A., and Oelrich, J. A., 1955, “A Theory of the Fluid-Dynamic Mechanism of RegenerativePumps,” Transactions of the ASME, Vol. 77, No. 8, pp. 1303-1316. 
    8. Hollenberg, J. W. and Potter, J. H., 1979, “An Investigation of Regenerative Blowers and Pumps,” ASME J. Eng. for Industry,Vol. 101, No. 2, pp. 147-152. 
    9. Kang, S. H. and Kim, Y. H., 2007, “New Industrial Applications of Regenerative Pumps and Compressors,” Proc. 9th AsianInternational Conference on Fluid Machinery, Jeju, Korea, AICFM9-PL01, pp. 3-12. 
  • 이 논문을 인용한 문헌 (1)

    1. 2009. "" International journal of fluid machinery and systems, 2(3): 189~196     

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