Effect of the mass fraction of a binder in a thermal protective coating on the heat and mass exchange with a high-enthalpy gas flow

被引：2
|
作者：
Zinchenko, VI [1 ]
Nesmelov, VV
Yakimov, AS
Kostin, GF
机构：
[1] Tomsk State Univ, Tomsk 634050, Russia
[2] Tomsk Univ Control Syst & Radioelect, Tomsk 634050, Russia
来源：
COMBUSTION EXPLOSION AND SHOCK WAVES | 1998年 / 34卷 / 06期
关键词：
Mass Fraction; Thermal Destruction; Polymer Binder; Coke Residue; Carbon Plastic;
D O I：
10.1007/BF02672697
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The properties of two modifications of a thermal protective coating based on phenol-formaldehyde resin and carbon fabric with various portions of the components were studied experimentally. The results are used for mathematical simulation of the ablation of the materials during thermochemical degradation in a high-enthalpy gas how. It is shown that a decrease in the mass fraction of the polymer binder has an ambiguous effect on the rate of ablation because of changes in thermal characteristics and increase in the thickness of the reacting layer under long-duration external thermal action.
引用
收藏
页码：644 / 650
页数：7
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