DEVELOPMENT OF STANDARD TESTING PROCEDURE FOR EXPERIMENTALLY DETERMINING INHERENT SOURCE PULSATION POWER GENERATED BY HYDRAULIC PUMP

Authors

  • Eiichi Kojima Department of Mechanical Engineering, Kanagawa University, 3-27-1 Rokkakubashi, Kanagawa-ku, Yokohama, Japan
  • Toru Yamazaki Department of Mechanical Engineering, Kanagawa University, 3-27-1 Rokkakubashi, Kanagawa-ku, Yokohama, Japan
  • Kevin Edge Centre for Power Transmission and Motion Control, University of Bath, Bath BA2 7AY, United Kingdom

Keywords:

hydraulic pump, fluid-borne vibration, pressure pulsation, pulsation power, standard test method

Abstract

This paper reports on the experimental determination of the level of inherent pulsation power generated by a hydraulic pump, using both a test method newly developed for the measurement of fluid pulsation power in a pipeline and a theoretically derived conversion equation for eliminating the influence of a hydraulic circuit on the measurement. The suitability of the test procedure as a standard method for assessment of the inherent source pulsation power of a hydraulic pump is confirmed. First, it was determined that the pulsation power in a pipeline can be measured using a pressure sensor unit called the “pulsation intensity probe”, which utilizes the same measurement principle as a conventional “sound intensity probe”, with good repeatability and with sufficient accuracy for practical usage. Next, a standard test procedure for determining the inherent source pulsation power of a hydraulic pump, which is independent of the hydraulic circuit, from the measurements of a pulsation power in a reference pipe was proposed. Finally, it was verified from the experimental measurements and simulations that this proposed standard test method is very useful for both absolute and relative assessments of the level of source pulsation power of a hydraulic pump.

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Author Biographies

Eiichi Kojima, Department of Mechanical Engineering, Kanagawa University, 3-27-1 Rokkakubashi, Kanagawa-ku, Yokohama, Japan

Eiichi Kojima (Born 14th May 1937) is Professor of Kanagawa University in Japan. He completed the postgraduate course of University of Tokyo and received his Dr. Eng. degree in 1969. His research interests include noise- vibration- harshness of hydraulic components and systems, optimum design, and simulations. He has won prizes of best paper of Transaction JHPS in the 1997 and 1999 fiscal year. Since 1996 he has acted as a Japanese expert of the ISO TC131/SC8/WG1.

Toru Yamazaki, Department of Mechanical Engineering, Kanagawa University, 3-27-1 Rokkakubashi, Kanagawa-ku, Yokohama, Japan

Toru Yamazaki (Born 6th December 1968) is Associate Professor of Kanagawa University in Japan. He completed the postgraduate course of University of Tokyo and received his Dr. Eng. degree in 1997. His research interests include structure-born sound and structural vibration of automotive and office machine etc.

Kevin Edge, Centre for Power Transmission and Motion Control, University of Bath, Bath BA2 7AY, United Kingdom

Kevin Edge, Kevin Edge is Deputy Vice-Chancellor at the University of Bath, UK. Following employment at Rolls-Royce, Kevin joined the University in 1976. He was appointed to a Personal Chair in 1991. In 1990 he was awarded the IMechE Bramah Medal and in 2003 he was elected as a Fellow of Royal Academy of Engineering.

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Published

2009-11-01

How to Cite

Kojima, E., Yamazaki, T., & Edge, K. (2009). DEVELOPMENT OF STANDARD TESTING PROCEDURE FOR EXPERIMENTALLY DETERMINING INHERENT SOURCE PULSATION POWER GENERATED BY HYDRAULIC PUMP. International Journal of Fluid Power, 10(1), 27–35. Retrieved from https://journals.riverpublishers.com/index.php/IJFP/article/view/504

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Original Article