Measuring method for thermal conductivity of a pyrolysis layer
作者： Jin Guo , Haiming Huang , Qing Wang , Ye Tian , Yipu Zhao
DOI: 10.1016/J.POLYMDEGRADSTAB.2019.05.035
关键词: Thermal conductivity 、 Pyrolysis 、 Charring 、 Space Shuttle thermal protection system 、 Composite material 、 Materials science 、 Hypersonic speed
摘要: Abstract The thermo-physical parameters of the pyrolysis layer in charring material play a fundamental role design thermal protection system (TPS) hypersonic vehicles, but there is still lack measuring methods for including gases, carbon residue and resin. method conductivity presented by means iteration inversion temperature at points, experimental equipment designed manufactured. Furthermore, under different pressures obtained this method. results reveal that its nonlinear function temperature; meanwhile, pressure has major effect on conductivity. This study can figure out test problem layer, which helpful to optimization TPS.
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