EFFECT OF COLUMN SEPARATION ON SELF-EXCITED OSCILLATIONS IN A DIRECT-ACTING POPPET VALUE CIRCUIT

Satoru HAYASHI; Weimin WANG; Toshiyuki HAYASE

doi:10.5739/isfp.2002.781

Proceedings of the JFPS International Symposium on Fluid Power

Online ISSN : 2185-6303
ISSN-L : 2185-6303

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EFFECT OF COLUMN SEPARATION ON SELF-EXCITED OSCILLATIONS IN A DIRECT-ACTING POPPET VALUE CIRCUIT

Satoru HAYASHI, Weimin WANG, Toshiyuki HAYASE

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Keywords: Hydraulics, Poppet valve, Self-excited oscillation, Amplitude diminution, Column separation

JOURNAL FREE ACCESS

2002 Volume 2002 Issue 5-3 Pages 781-786

DOI https://doi.org/10.5739/isfp.2002.781

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Abstract

In this paper, the authors have shown that amplitudes of self-excited oscillations occurring in a poppet valve circuit are significantly affected by oil column separation. The numerical simulation has indicated that the magnitude of amplitude of self-excited oscillations is reduced into half in the large amplitude region by the effect of oil column separation.

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