摘要
在修正Ｈａｇｅｎ－Ｐｏｉｓｅｕｉｌｌｅ及Ｋｉｚｅｎｇ－Ｃａｒｍａｎ公式的基础上，建立了多孔材料透气系数与孔隙特征参数间的关系式；开发了一种新型的透气系数测量仪。应用实践表明：测试结果，包括透气系数Ｂ、有效半径孔隙直径Ｄ_ｃ、有效体积比表面积Ｓ_ｖ及开孔隙率ε_开准确可靠。
Based on Hagen-Poiseuiue and Kizeng-Carman formulas modified by psesent authors. equations describing relationship between the gas permeability and hole characteristic parameters of pormous material are established A new kind of instruments for measuring gas permeability is developed The application experience demonstrates that the measured values.including gas permeablity B,effective mean pore diameter Dc,effective surface area per volume Sv and volume ratio of open pore are exact and reliable.
关键词
多孔材料
孔隙特征参数
透气性
s: Porous material
Gas permeability
Hole characteristic parameter
Measurement
