The cone valve plays an important role in high-pressure sealing applications. In this paper, a new high-pressure cone valve, based on the titanium alloy poppet-to-polyetheretherketone seat sealing structure, is proposed for deep-sea gas-tight water samplers. In order to study the sealing performance of the new valve, both the conforming poppet-seat contact model and the nonconforming poppet-seat contact model were evaluated. Finite element analysis based on the two models was performed and validated by experiments. The results indicate that the nonconforming poppet-seat contact model has a better sealing performance than the conforming poppet-seat contact model. The new cone valve also was applied in a gas-tight hydrothermal fluid sampler and successfully tested in a sea trial during the KNOX18RR cruise from 9 July to 12 August 2008.
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August 2010
Research Papers
A Study of the Sealing Performance of a New High-Pressure Cone Valve for Deep-Sea Gas-Tight Water Samplers
Shi-Jun Wu,
Shi-Jun Wu
State Key Laboratory of Fluid Power Transmission and Control,
Zhejiang University
, Hangzhou 310027, China
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Can-Jun Yang,
Can-Jun Yang
State Key Laboratory of Fluid Power Transmission and Control,
Zhejiang University
, Hangzhou 310027, China
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Ying Chen,
Ying Chen
State Key Laboratory of Fluid Power Transmission and Control,
Zhejiang University
, Hangzhou 310027, China
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Yan-Qing Xie
Yan-Qing Xie
State Key Laboratory of Fluid Power Transmission and Control,
Zhejiang University
, Hangzhou 310027, China
Search for other works by this author on:
Shi-Jun Wu
State Key Laboratory of Fluid Power Transmission and Control,
Zhejiang University
, Hangzhou 310027, China
Can-Jun Yang
State Key Laboratory of Fluid Power Transmission and Control,
Zhejiang University
, Hangzhou 310027, China
Ying Chen
State Key Laboratory of Fluid Power Transmission and Control,
Zhejiang University
, Hangzhou 310027, China
Yan-Qing Xie
State Key Laboratory of Fluid Power Transmission and Control,
Zhejiang University
, Hangzhou 310027, ChinaJ. Pressure Vessel Technol. Aug 2010, 132(4): 041601 (5 pages)
Published Online: August 5, 2010
Article history
Received:
June 20, 2009
Revised:
February 1, 2010
Online:
August 5, 2010
Published:
August 5, 2010
Citation
Wu, S., Yang, C., Chen, Y., and Xie, Y. (August 5, 2010). "A Study of the Sealing Performance of a New High-Pressure Cone Valve for Deep-Sea Gas-Tight Water Samplers." ASME. J. Pressure Vessel Technol. August 2010; 132(4): 041601. https://doi.org/10.1115/1.4001204
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