1、ss()pf tp pT T液液气气固固水的三相图水的三相图三相点三相点临界点临界点流体流体pAtAtCpC0CA未饱和水状态未饱和水状态 饱和水状态饱和水状态 湿饱和蒸汽状态湿饱和蒸汽状态 干饱和蒸汽状态干饱和蒸汽状态 过热蒸汽状态过热蒸汽状态过热阶段过热阶段水蒸汽的定压生成过程水蒸汽的定压生成过程饱和水的汽化阶段饱和水的汽化阶段水的预热阶段水的预热阶段sttsttsttsttsttaaaaaaaaaaa说明:在此说明:在此a可代表可代表,vuhshhssvvttconstps0000.hhssvvttconstps.hhssvvttconstps.hhhsssvvvttconstps .h
2、hssvvttconstps .wvmmmxvhhssvvttconstps .hhssvvttconstps .,10Ts11x1lqkJ/kgrhhrsT10kJ/kglqhhsuqkJ/kgsrTsss s2kJ/kgsuqhh10220()()()lsuqqrqhhhhhhhh 11C20101020pvTs2122x1x111x122x2TCTcrpcr=22.064MPa,tcr=373.99,vcr=373.99m3/kg,hcr=2085.9kj/kg,scr=4.4092kj/(kgK)12pcrTcrcrTT avppp Tppsv TppsvVmvTRpvgv,TRpvgss,svsvpp10avmmd avvvppp622.0sbsppp622.0vvaahmhmHvaadhhmHhttchpa005.1thv842.12501tdtdhhhva842.12501005.1由pb、t、d、td、h中的三个确定其它参数23