numerical investigation of the transient behavior of a hot gas duct under rapid depressurization

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ID: 208278
2016
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Abstract
A hot gas duct is an indispensable component for the nuclear-process heat applications of the Very-High-Temperature Reactor (VHTR), which has to fulfill three requirements: to withstand high temperature, high pressure, and large pressure transient. In this paper, numerical investigation of pressure transient is performed for a hot gas duct under rapid depressurization. System depressurization imposes an imploding pressure differential on the internal structural elements of a hot gas duct, the structural integrity of which is susceptible to being damaged. Pressure differential and its imposed duration, which are two key factors to evaluate the damage severity of a hot gas duct under depressurization, are examined in regard to depressurization rate and insulation packing tightness. It is revealed that depressurization rate is a decisive parameter for controlling the pressure differential and its duration, whereas insulating-packing tightness has little effect on them.
Reference Key
liu2016sciencenumerical Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;JingBao Liu;ShengYao Jiang;Tao Ma;RiQiang Duan
Journal drug metabolism reviews
Year 2016
DOI
10.1155/2016/6858425
URL
http://dx.doi.org/10.1155/2016/6858425
Keywords
electrical engineering electronics nuclear engineering

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