FIRST LAW ANALYSIS PROCESS DATA Stream W(kg/h) Cp(kJ/ko-K) Tin(K) Tout(k) Q(g/h) Hot10,000 1.3 25030 2.860 Hot215,000 10030-4.410 Cold 110.000 30200+1.870 Col216,000 4,2 30100+4.704 Total Heating Available=2.860+ (4.410)=7.270 g/h Total Heating required=-1870+(4.704)=-6574 g/h Net heat available =0. gJ/h (Subject to the Second law) 2199 HENS 1: Targeting2/21/99 HENS 1: Targeting 9 FIRST LAW ANALYSIS PROCESS DATA: Stream W(kg/h) Cp (kJ/kg-K) Tin(K) Tout(K) Q(gJ/h) Hot 1 10,000 1.3 250 30 -2.860 Hot 2 15,000 4.2 100 30 -4.410 Cold 1 10,000 1.1 30 200 +1.870 Cold 2 16,000 4.2 30 100 +4.704 Total Heating Available = 2.860 + (4.410) = 7.270 gJ/h Total Heating Required = -1.870 + (-4.704 ) = - 6.574 gJ/h Net Heat Available = 0.696 gJ/h (Subject to the Second Law)