JOURNAL OF LIGHT INDUSTRY

CN 41-1437/TS  ISSN 2096-1553

Volume 33 Issue 2
March 2018
Article Contents
SHANG Xuan and HE Shiquan. Design method of regulating valve spool based on Chebyshev polynomial fitting[J]. Journal of Light Industry, 2018, 33(2): 102-108. doi: 10.3969/j.issn.2096-1553.2018.02.015
Citation: SHANG Xuan and HE Shiquan. Design method of regulating valve spool based on Chebyshev polynomial fitting[J]. Journal of Light Industry, 2018, 33(2): 102-108. doi: 10.3969/j.issn.2096-1553.2018.02.015 shu

Design method of regulating valve spool based on Chebyshev polynomial fitting

  • Received Date: 2017-03-08
    Available Online: 2018-03-15
  • For the characteristics of the control valve spool in different flow characteristics with parabola contour,a design method of regulating valve spool based on Chebyshev polynomial fitting was proposed.According to the relationship between the flow coefficient and the flow area, the curve equation of spool was aquired by fitting the point on the spool contour which used the Chebyshev curve fitting method and then the Fluent was used for software simulation and experimental verification of the designed spool curve.The results showed that the deviation of the flow characteristic of the spool design was 1.9%~14.1%, which conformed to the standard IEC 60534-2-4:1989 in the range of 10.0%~18.4%. The design method was practical and feasible.
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