Example 32.2 irreversible process of water Known:water,initially sat.liq.100C;irreversible process; no heat transfer with the surroundings;by paddle wheel. final sat.vap. Find:Wnet/m;o moves freely T System Water boundary 100C Area is not work 100°C Area is not heat 上降文通大学 Wednesday,April 12,2017 9 SHANGHAI JIAO TONG UNIVERSITYWednesday, April 12, 2017 9 Example 32.2 irreversible process of water Known: water, initially sat. liq. 100˚C; irreversible process; no heat transfer with the surroundings; by paddle wheel.  final sat. vap. Find: Wnet/m; σ moves freely