化学液相沉积法制备碳／碳复合材料时的温度场研究.pdf.pdf

文档介绍：№,杨冬,刘红林(,710049,西安;,710025,西安)摘要:根据制备过程中碳纤维骨架内煤油发生相变时的气液两相流动与传热传质、预制体对煤油的导热以及碳纤维多孔介质内的传热传质性质,、,、径向温度随时间的变化规律,,二者较为接近,:化学液相沉积法;碳/碳复合材料;温度场中图分类号:TQ028文献标志码:A文章编号:0253—987X(2O08)O3—0309—04ResearchonTemperatureFieldofKerosenewhenPreparingCarbon/positesbyChemicalLiquidDepositionPANYiwen,YANGDong,LIUHonglinz(,XianJiaotongUniversity,Xian710049,,Xian710025,China)Abstract:Amodeloftemperaturefieldandphasechangeinthecarbonfiberpreformwasestab—lishedbasedonheatandmasstransferofgasandfluidphasesflow,heatconductionbetweenthepreformandkerosene,——,thevariationofradicaltemperaturewithtime,