A comprehensive analysis method is proposed to resolve the problem of simulating the complex thermoflow with two kinds of distinct characteristic lengths in a dry gas seal. A conjugated simulation of the complicated heat transfer and the gas film flow is carried out by using the commercial computational fluid dynamics (CFD) software CFX. By using the proposed method, three-dimensional velocity and pressure fields in the gas film flow and the temperature distribution within the sealing rings are investigated for three kinds of film thickness, respectively. A comparison of thermohydrodynamic characteristics of the dry gas seal is conducted between the sealed gas of air and helium. The latter one is used in a helium compressor for a high-temperature gas-cooled reactor (HTGR). From comparisons and discussions of a series of simulation results, it will be found that the comprehensive proposal is effective and simulation results are reasonable. Even under a hypothetical accidental condition, the maximum temperature rise in the dry gas seal is within the acceptable range of HTGR safety requirements.
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April 2013
Research-Article
A Thermohydrodynamic Analysis of Dry Gas Seals for High-Temperature Gas-Cooled Reactor
Wang Hong,
Wang Hong
Institute of Nuclear and New Energy Technology
,Tsinghua University
,Beijing 100084
, China
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Zhu Baoshan,
Zhu Baoshan
1
Department of Thermal Engineering,
State Key Laboratory of Hydroscience and Engineering,
e-mail: bszhu@mail.tsinghua.edu.cn
State Key Laboratory of Hydroscience and Engineering,
Tsinghua University
,Beijing 100084
, China
e-mail: bszhu@mail.tsinghua.edu.cn
1Corresponding author.
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Lin Jianshu,
Lin Jianshu
China Nuclear Power Technology Research Institute
,Shenzhen, Guangdong 518026,
China
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Ye Changliu
Ye Changliu
China Nuclear Power Design Company Ltd.,
Shenzhen, Guangdong 518031,
Shenzhen, Guangdong 518031,
China
Search for other works by this author on:
Wang Hong
Institute of Nuclear and New Energy Technology
,Tsinghua University
,Beijing 100084
, China
Zhu Baoshan
Department of Thermal Engineering,
State Key Laboratory of Hydroscience and Engineering,
e-mail: bszhu@mail.tsinghua.edu.cn
State Key Laboratory of Hydroscience and Engineering,
Tsinghua University
,Beijing 100084
, China
e-mail: bszhu@mail.tsinghua.edu.cn
Lin Jianshu
China Nuclear Power Technology Research Institute
,Shenzhen, Guangdong 518026,
China
Ye Changliu
China Nuclear Power Design Company Ltd.,
Shenzhen, Guangdong 518031,
Shenzhen, Guangdong 518031,
China
1Corresponding author.
Contributed by the Tribology Division of ASME for publication in the JOURNAL OF TRIBOLOGY. Manuscript received October 13, 2011; final manuscript received August 9, 2012; published online December 26, 2012. Assoc. Editor: C. Fred Higgs III.
J. Tribol. Apr 2013, 135(2): 021701 (9 pages)
Published Online: December 26, 2012
Article history
Received:
October 13, 2011
Revision Received:
August 9, 2012
Citation
Hong, W., Baoshan, Z., Jianshu, L., and Changliu, Y. (December 26, 2012). "A Thermohydrodynamic Analysis of Dry Gas Seals for High-Temperature Gas-Cooled Reactor." ASME. J. Tribol. April 2013; 135(2): 021701. https://doi.org/10.1115/1.4007807
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