THERMAL RESPONSE OF HEAT-RESISTANT LAYER WITH PYROLYSIS
作者: Hai-Ming Huang Xiaoliang Xu Guo Huang Zimao Zhang
刊名: Thermal Science, 2012, Vol.16 (1), pp.69 - 78
来源数据库: Society for Thermal Engineers of Serbia
DOI: 10.2298/TSCI110128035H
关键词: heat-resistant layerpyrolysisphase transitionthermal response
原始语种摘要: A model is developed for analyzing the thermal response of the heat-resistant layer composed of high silica fiber reinforced phenolic matrix composites(SiO2/P) and aluminum, in which pyrolysis and phase transitions are exsited, such as melt, vaporization and sublimation. Based on this model, the thermal response of the heat-resistant layer with different SiO2/P thickness is calculated under a heat flux by using FORTRAN codes. As indicated in the results, the slope of temperature gets a sudden decline at the pyrolysis interface, which is due to the latent heat of pyrolysis; the thickness of heat-resistant layer has little influence on the heating-surface temperature, however, the back temperature may increase with the decreasing thickness; and the thermal conductivity of carbonized layer...
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关键词翻译
关键词翻译
  • thickness 厚度
  • carbonized 碳化的
  • thermal 热的
  • sublimation 升华
  • pyrolysis 加热分解
  • layer 
  • conductivity 传导率
  • temperature 温度
  • heating 加热
  • vaporization 蒸发