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//Exercício 8.48 referencia 8.47 // p1=16000 //kPa T1=560 //C p2=12000 //kPa p3=8 //kPa p4=p3 p5=p2 p6=p5 p7=p1 m=120 //kg/s ne=0.85 Cpc=4.179 //kJ/kg*K Tc=18 //C h1=h_PT("Water/Steam", p1, T1) s1=s_PT("Water/Steam", p1, T1) s2s=s1 s2=s_Ph("Water/Steam", p2, h1) h2s=h_Ps("Water/Steam", p2, s2s) h2=h1-n*(h1-h2s) s3s=s2 h3s=h_Ps("Water/Steam", p3, s3s) h3=h2-ne*(h2-h3s) h4=hsat_Px("Water/Steam", p4, 0) v4=vsat_Px("Water/Steam", p4, 0) h5s=h4+v4*(p5-p4) h5=h4+(h5s-h4)/ne h6=hsat_Px("Water/Steam", p6, 0) v6=vsat_Px("Water/Steam", p6, 0) h7s=h6+v6*(p7-p6) h7=h6+(h7s-h6)/ne Qe=m*(h1-h7s) y=(h6-h5s)/(h2-h5) Wt=m*((h1-h2)+(1-y)*(h2-h3)) Wb=m*((h7-h6)+(1-y)*(h5-h4)) Wciclo=Wt-Wb n=Wciclo/Qe Qs=m*(1-y)*(h3-h4) mc=Qs/(Cpc*Tc)
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