Principle: Place the standard blackbody plate and the sample on the hot plate in sequence, adjust the surface temperature of the hot plate to reach the specified temperature, and use a far-infrared ...
常见的稳态法包括防护热板法、热流计法、防护热流计法和热流法。 1.1 防护热板法 防护热板法(Guarded Hot Plate Method,GHP)作为测试材料导热系数的绝对法或仲裁法,是目前公认准确度最高的方法,可用来标定基准样品或热流计。相关标准有GB/T 10294-2008《绝热 ...