0

Full Content is available to subscribers

Subscribe/Learn More  >

Numerical and Experimental Investigation on Influence Factors of the Leakage Rate for a Large-Size Pressure Gate With Rubber O-Ring Sealing Structure

[+] Author Affiliations
Huang Hao, Huang Xiaoming, Xu Guoliang, Fang Lin, Shi Chunyu, Sun Jiawei

Huazhong University of Science and Technology, Wuhan, China

Lv Xiangkui

China Shipbuilding Industry Co., Ltd., Wuhan, China

Paper No. ICONE25-67735, pp. V004T06A040; 6 pages
doi:10.1115/ICONE25-67735
From:
  • 2017 25th International Conference on Nuclear Engineering
  • Volume 4: Nuclear Safety, Security, Non-Proliferation and Cyber Security; Risk Management
  • Shanghai, China, July 2–6, 2017
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 978-0-7918-5782-3
  • Copyright © 2017 by ASME

abstract

Leakage of these hatches with large sizes must be strictly controlled in any operating conditions for the safety of a nuclear power plant. In this work, an effective numerical approach to construct a leakage prediction model to analysis the tightness performance of the rubber O-ring sealing structure of a large-size pressure gate was proposed. The model is built based on the transport theory of the porous media, and combined the micro roughness effect and the macro mechanical behavior on the leak rate, which were obtained by using Finite Element Method (FEM) simulation. A series of experiments are designed to validate the results predicted by this model. Experimental results are in good agreement with that predicted by the proposed model, which verifies the rationality and preciseness of the model. Based on the model, a further research to understand the effect of various factors on the leak characteristics was made. The results show that the tightness performance of the O-ring with an elliptical trapezoid cross-section is better than that with a round cross-section. And the rubber with lower hardness can provide a better sealing capability during accidents (corresponding to the inside pressure increasing conditions).The new model is very helpful in the optimum design of a rubber sealing structure.

Copyright © 2017 by ASME

Figures

Tables

Interactive Graphics

Video

Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature

Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal

NOTE:
Citing articles are presented as examples only. In non-demo SCM6 implementation, integration with CrossRef’s "Cited By" API will populate this tab (http://www.crossref.org/citedby.html).

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In