Reading the surface Single-phase regions:Solid,Liquid,Vapor. State fixed by 2 properties L-V dome Two-phase regions:. Liquid H20 Melting,vaporization,sublimation Critical Equilibrium:S-L,L-V,S-V point T,P not independent!!! Solid/ Liquid- vapbr · State fixed by v and (T or p) Solid Triple line Vapor ● Saturation states/lines Subcooled Solid-vapor (Compressed) Specific volume Temperature Triple line:S-L-V liquid H20: Saturated T,=273.16K liquid P=0.6113kPa Saturated Superheated Critical point:To po ve Vapor /Gas vapor 上游充通大学 March 12,2019 9 SHANGHAI JLAO TONG UNIVERSITYMarch 12, 2019 9 Reading the surface Single-phase regions: Solid, Liquid, Vapor. • State fixed by 2 properties Two-phase regions:. • Melting, vaporization, sublimation • Equilibrium: S-L, L-V, S-V • T, P not independent!!! • State fixed by v and (T or p) • Saturation states/lines Triple line: S-L-V Critical point: Tc , pc , vc H2O H2O : Tr =273.16K pr = 0.6113kPa L-V dome Saturated liquid Saturated vapor Subcooled (Compressed) liquid Superheated Vapor /Gas Solid