654 Heat Engines, Entropy, and the Second Law of ThermodynamicsP22.58(a)WtengelectricalW=×150 108.af, QmLtWt==LNMMOQPPeng0150.∆,and L×33 033 0 106..kJ gJ kgmWttLm=LNMOQP=××=engW sdayJkgkgmetrictonmetric tons day864000150 330 10102620863..∆ejbgej(b)Cost =$8.002 618365metric tonmetric tons daydays yrbgbgCost =$7.65 million year(c)First find the rate at which heat energy is discharged into the water. If the plant is 15.0%efficient in producing electrical energy then the rate of heat production isQtWtec=FHGIKJ−FHGIKJ−FHGIKJengW111 50 10118 50 1088....Then, Qtmc Ttc=∆andmtcTQtc×⋅°°∆850 104186500406 1084...JsJkg CCkg s.P22.59eTT
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This note was uploaded on 12/14/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .