Chap.3-4 Simple compression system ©State principle ©Definition of phase P-v-T relation/surface S/L,L/V,S/V equilibrium lines Triple point,critical point p-v diagram,T-v diagram,remember the direction for increasing/decreasing T,p,or V 国 Subcooled (compressed)liquid,superheated vapor 上游充通大￥ May15,2018 7 HANGHAI HAO TONG LINIVERSITYMay 15, 2018 7 Chap. 3 ‐ 4 Simple compression system State principle Definition of phase P‐v‐T relation/surface S/L, L/V, S/V equilibrium lines Triple point, critical point p‐v diagram, T‐v diagram, remember the direction for increasing/decreasing T, p, or V Subcooled (compressed) liquid, superheated vapor