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APPENDIXA:EESPROGRA=J:\1M~IN"--,-,,,G_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _A 'Wynand Groenewald" "Information found from OORIN innovation- compressor =TCS362-0" "Fluid is R744(C02)" "Simple cycle simulation with equations implemented" "5. Inlet to Evaporator" (P_[5J == 4S00 [kPaJ) (T_[5J == 283 [KJ) ( 0 3 == 36.S [kW}) h_[5] := h_[4] x_[5] ==Quality(R744,h=h_[5].P=P_[5]) (cpJSJ=Cp(R744, T==TJSJ,P=P_{SJ)) sJ5]=Entropy(R744.x=x_[5].P=P_[5]) "6. Outlet evaporator" PJ6] =P_(5] PJ7] PJ5] TJ6] =TJ5] T_(7] == T_(6] +10 xJ6] == 1 h_(6]==Enthalpy(R744,x=x_[6],P==P_[6]) hJ7]=Enthalpy(R744,T=T_(7].P=P_[7]) Q_e = m_dot,g * (h_[7]-h_[5]) sJ6]=Entropy(R744,x=xJ6],P=PJ6]) s_[7]=Entropy(R744.T=T_(7],P=P_(7]) "P_suc" rrT_evaporationrr "Coofing capacity" "Constant enthalpy over expansion device" "2-phase" "Evaporation takes place at constant pressure" "in consideration for adding superheat" "Superheat added" "Gas" "8. Outlet Intemal heat exchanger suction side" PJ8]=PJ7] (hJ8]-hJ7]) (h_[3]-hJ4]) TJ8]=Temperature(R744,h==h_[8],P=PJ8]) s_[8]=Entropy(R744,T=T_(8],P=P_[8]) T J 4 ] T_[3]-O P_[4] = P_[3] h_[4]=Enthalpy(R744.T=T_[4], P=P_[4]) s_[4J=Entropy(R744,T=TJ4J,P=PJ4]) "1. Inlet compressor" PJ1] =P_[8] h_[1] =h_[8J T_[1J =TJ8] s_[1] = s_(8] "2. Outlet compressor and inlet gas GOoIer" (PJ2J 12000 [kPaJ) (OJ] =17.9 [kW}) (eta_c == 0.9) Q_h = Q_e + (Q-'p*eta_c) COP == Q_h/Q_p Q-'p = m_dot,g * (hJ2]-h_[1]) TJ2] = Temperature(R744,P=PJ2],h=h_[2]) (hJ2J Enthalpy(R744,T=TJ2J,P=P_[2J)) sJ2]= Entropy(R744,T=T_[2j,P=P_[2]) h_s[2]=ENTHALPY(R744. p=p_[2] ,s=s_[1J) eta_c=(h_s[2]-hJ1])/(hJ2]-h_[1]) "3. Outlet gas cooler" (TJ3J =308 [K}) cooler" P_[3] == P_[2] hJ3]=Enthalpy(R744,T=TJ3],P=P_[3]) s_[3]=Entropy(R744,T=T_[3],P=P_[3]) rrOischargepressure" "Compressor work" "outlet Temp gas A Techno-Economical Analysis of a CO2 Heat Pump. School ofMechanical Engineering, North-West UniversityPDF Image | CO2 HEAT PUMP Analysis
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CO2 Organic Rankine Cycle Experimenter Platform The supercritical CO2 phase change system is both a heat pump and organic rankine cycle which can be used for those purposes and as a supercritical extractor for advanced subcritical and supercritical extraction technology. Uses include producing nanoparticles, precious metal CO2 extraction, lithium battery recycling, and other applications... More Info
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