正文

reduced variables

實際氣體的對比溫度(reduced temperature)Tr、對比壓力(reduced pressure)pr、對比體積(reduced volume) Vr的總稱。三者分別定義為Tr=T/Tc, pr=p/pc,Vr=Vm/Vm,c,其中T、p、Vm和Tc、pc、Vm,c分別是實際氣體的溫度、壓力、摩爾體積和對應的臨界參量。