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p_b=150 [bar] T_max= 500 [c] {p_reheat=10 [bar]} T_reheat= 500 [c] p_c = 0.1 [bar] eta_turbine=0.85 eta_pump=0.95 {point 1} p[1]=p_c x[1]=0 h[1]=enthalpy(water,p=p[1],x=x[1]) s[1]=entropy(water,p=p[1],x=x[1]) {point 2} p[2]=p_b {isentropic} s_s[2]=s[1] h_s[2]=enthalpy(water,p=p[2],s=s_s[2]) {Actual} "h[2]=( (h_s[2]-h[1]) / eta_pump ) + h[1]" eta_pump = ( h_s[2] - h[1] ) / ( h[2] - h[1] ) {point 3} p[3]=p_b T[3]=T_max h[3]=enthalpy(water,p=p[3],T=T[3]) S[3]=entropy(water,p=p[3],T=T[3]) {point 4} p[4]=p_reheat {isentropic} s_s[4]=s[3] h_s[4]=enthalpy(water,p=p[4],s=s[3]) {Actual} "h[4]=h[3]-((eta_turbine)/h[3]-h_s[4])" eta_turbine = ( h[5] - h[4] ) / ( h[5] - h_s[4] ) {point 5} p[5]=p_reheat T[5]=T[3] h[5]=enthalpy(water,p=p[5],T=T[5]) s[5]=entropy(water,p=p[5],T=T[5]) {point 6} p[6] =p_c {isentropic} s_s[6]=s[5] h_s[6]=enthalpy(water,p=p[6],s=s_s[6]) {Actual} "h[6]=h[5]-((eta_turbine)/h[5]-h_s[6])" eta_turbine = ( h[5] - h[6] ) / ( h[5] - h_s[6] ) {Work net} w_net=((h[3]-h[4])+(h[5]-h[6]))-(h[2]-h[1]) {efficiency} {eta_th=w_net / q_add} q_add=(h[3]-h[2])+(h[5]-h[4]) eta_th=w_net / q_add
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