测定保温材料导热系数的自补偿圆管法⒇王素美宗祥康施明恒（东南大学动力工程系，南京２１００１８）测定工程保温材料，特别是管形保温材料导热性能，一般采用圆管法［１］．圆管法的基本原理是通过圆筒壁的一维稳态导热［１，２］．被测试材做成圆管状，置于圆管导热装... Self-compensating pipe method for the determination of thermal conductivity of insulation materials WANG Su-mei, ZONG Xiang-kang, SHI Ming-heng (Department of Power Engineering, Southeast University, Nanjing 210018) The thermal conductivity of engineering thermal insulation materials, especially tubular thermal insulation materials, The basic principle of the pipe method is to pass one-dimensional steady-state thermal conduction through the cylindrical wall [1,2]. Tested material made into a round tube, placed in the tube heat conduction equipment ...