Investigation of poppet valve vibration with cavitation

Authors

  • Kento Kumagai Research Division Technical Research Center, Hitachi Construction Machinery Co., Ltd., Kandatsu-Machi, Tsuchiura, Ibaraki, Japan
  • Shohei Ryu Research Division Technical Research Center, Hitachi Construction Machinery Co., Ltd., Kandatsu-Machi, Tsuchiura, Ibaraki, Japan
  • Masanori Ota Division of Artificial Systems Science, Graduate School and Faculty of Engineering, Chiba University, Yayoi-Cho, Inage-Ku, Chiba, Japan
  • Kazuo Maeno Kisarazu National College of Technology, Kiyomidai-Higashi, Kisarazu, Chiba, Japan http://orcid.org/0000-0001-7382-0016

DOI:

https://doi.org/10.1080/14399776.2015.1115648

Keywords:

Cavitation, hydraulic, poppet valve, vibration, visualisation

Abstract

The poppet valve is a popular component in hydraulic systems, but it is also well known as trouble maker because it may occasionally induce unpredictable vibration. In former previous studies it has been found that cavitation is an important reason for this kind of vibration, but the causal mechanism between the vibration and cavitation is unclear. In this study, we developed a visualisation experiment system, in which we can observe and analyse the dynamic relationship among the displacement of the poppet, the cavitation quantity and the pressures around the poppet in a visualisation experiment. Based on the observation of the experimental phenomena and data analysis, we propose a hypothesis of a mechanism that can explain how cavitation influences the vibration of the poppet valve.

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Author Biographies

Kento Kumagai, Research Division Technical Research Center, Hitachi Construction Machinery Co., Ltd., Kandatsu-Machi, Tsuchiura, Ibaraki, Japan

Kento Kumagai, born in 1984, received his Masters of Engineering from Muroran Institute of Technology in 2009. He has been a researcher at the Technical Research Laboratory of Hitachi Construction Machinery Co. Ltd since 2009. His main research area is the evaluation of the performance and flow state of hydraulic components. His current interest is the effect of bubbles in hydraulic systems and components.

Shohei Ryu, Research Division Technical Research Center, Hitachi Construction Machinery Co., Ltd., Kandatsu-Machi, Tsuchiura, Ibaraki, Japan

Shohei Ryu, born in 1959, received his Masters degree from Zhejiang University in China in 1987, and a PhD from Saitama University in Japan in 1993. He joined Hitachi Construction Machinery Co. Ltd in 1993, and is now a senior researcher at the company’s Technical Research Laboratory. His main research area is the performance evaluation of hydraulic components and power trains in construction machinery. His current interest is the review of old components with new investigation technology.

Masanori Ota, Division of Artificial Systems Science, Graduate School and Faculty of Engineering, Chiba University, Yayoi-Cho, Inage-Ku, Chiba, Japan

Masanori Ota received his Master of Engineering in 2003 and his Doctorate in Engineering degree in 2006 from the Graduate School of Science and Technology, Chiba University. He is an associate professor at Chiba University and his research interests are supersonic flow, optical measurement techniques and fluid mechanics.

Kazuo Maeno, Kisarazu National College of Technology, Kiyomidai-Higashi, Kisarazu, Chiba, Japan

Kazuo Maeno, born in 1949, graduated from the Department of Aeronautics at Tokyo University in 1974, and received his Masters and PhD (1979) from ISAS at Tokyo University. After starting his career at the Tokyo Metropolitan College of Aeronautical Engineering, he moved to Muroran Institute of Technology as an associate professor and then to Chiba University in 1990. In 2014, he became president of the National Institute of Technology Kisarazu College from vice dean of the Graduate School of Engineering of Chiba University.

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Published

2016-03-01

How to Cite

Kumagai, K., Ryu, S., Ota, M., & Maeno, K. (2016). Investigation of poppet valve vibration with cavitation. International Journal of Fluid Power, 17(1), 15–24. https://doi.org/10.1080/14399776.2015.1115648

Issue

2016: Vol 17 Iss 1

Section

Original Article

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