Solution cont. m=2 kg/s Insulation P2=15 bar SS,nozzle,neglect Q V2=665m/s P1=40 bar T1=400C V1 =10 m/s Control volume boundary 0=在-E+(a+ 1+ h,+2 (82 0=-创（心，）户 h=h1+ -Table A-6(water steam 3213.6kJkg [ors（) 1 kJ 2 =3213.6-221.1=2992.5kJ/kg P2=15bar Table A-6(water steam ---------≥v2=0.1627m3/kg What about A1？ h2=2992.5k/kg_i (2kgs)0.1627m/kg) =4.89×104m2 665m/s 上游充通大 March 28,2019 8 SHANGHAI JIAO TONG UNIVERSITYMarch 28, 2019 8 Solution cont. SS, nozzle, neglect Q = Table A-6 (water steam) p2= 15bar h2 =2992.5 kJ/kg Table A-6 (water steam) What about A1 ?