Paper Title:
Experimental Investigation of the Influence of the Gas Type on the Heat Transfer in a High-Vacuum-Multilayer-Insulation Cryogenic Tank After Sudden, Catastrophic Loss of Insulating Vacuum
  Abstract

One of the worst accidents that may occur in a high-vacuum-multilayer-insulation (HVMLI) cryogenic tank is a sudden, catastrophic loss of insulation vacuum (SCLIV). it is obvious that the different gas leaking into the insulation jacket have some influence on the heat transfer process. However, this problem has not been studied systematically so far. In this paper, a test rig was built up and experiments were conducted on a SCLIV cryogenic tank by using the nitrogen, helium, oxygen, carbon dioxide and air as the leaking medium, respectively. Some important phenomena and heat transfer characteristics in a vacuum-lost HVMLI cryogenic tank have been obtained. The effects of the insulation layer numbers and the type of gases on venting rate and heat flux into the cryogenic liquid have been measured, analyzed and discussed. It indicates that the heat transfer performance of the HVMLI cryogenic tank after SCLIV is strong related to the type of gases leaking into the insulation jacket.

  Info
Periodical
Advanced Materials Research (Volumes 354-355)
Chapter
Chapter 2: Thermal Engineering
Edited by
Hao Zhang, Yang Fu and Zhong Tang
Pages
294-303
DOI
10.4028/www.scientific.net/AMR.354-355.294
Citation
M. Zhu, G. F. Xie, R. S. Wang, "Experimental Investigation of the Influence of the Gas Type on the Heat Transfer in a High-Vacuum-Multilayer-Insulation Cryogenic Tank After Sudden, Catastrophic Loss of Insulating Vacuum", Advanced Materials Research, Vols. 354-355, pp. 294-303, 2012
Online since
October 2011
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$32.00
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