客车车体的隔热性能是用平均传热系数(一般称为K值)作为评定标准,它表明:客车在内外空气温度相差1开的情况下,每平方米隔热壁所传递的功率。它不仅是客车热工计算的基本参数,也是客车隔热壁的一项综合的经济指标。客车车体的隔热性能,主要取决于车体隔热壁的结构以及组成隔热壁的隔热材料的 Passenger car body insulation performance is the average heat transfer coefficient (commonly referred to as K value) as the evaluation criteria, it shows that: buses in the air temperature difference between inside and outside the case of an open case, per square meter of heat transfer wall power. It is not only a basic parameter of passenger car thermal calculation, but also a comprehensive economic indicator of passenger car insulation wall. Bus insulation body performance, mainly depends on the structure of the body insulation wall and the composition of insulation wall insulation material