Second Law of Thermodynamics

" 2.N.g Gloy to God." Unit 12: Second Law of Thermodyroms Source : Any sabs veservoir which Can transfer is it's asy questions of heat without reducing : eg: (sun) Sink: is also veffered as a reservoir which can receive any quantity of heat without increasing in it's Heloperature eg (Sea) Source Q1 Wg+Q2 T WT = Q1-Q2 Q, efficiery of Heat Engre WT NHE = Whet Qin = Din B WT I Q--Q2 T1-T2 Pump can Nine = Q1 = T1 be Q2 sink NHE = 1-T2 II T2 Kelvin Plank Statement of Second Law awaif in Themadyname It is impossible for any engine N convert amount of energy into (same usefuse amount of) Clausious Statement: is impossible for my engine working of lower in any gale temp to to a body of Higher It transfer heat from a body temperature.

Onony to 0109 Group TI Cop = Refrigerating effect WOOR done Q1 Input = Q2tW W R aupus = Q1 Gztw=Q Q2 W= Q1-Q2 T2 Here R.E = Q2 T2 Q2 (cap) Qe W = T1-T2 Q1-Q2 R waking is opposite of Reprigeration Q1= Heat pump. a = I R.E = h Q-92 T1-T2 (Cop) HP = W (Cop) +1 (Cap) H.P = (Cap) = 1