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// Example 9_16
clc;funcprot(0);
// Given data
T_3=-10+273;// K
T_2=-40+273;// K
r=10;// The compression ratio
c_p=1.00// kJ/kg.K
k=1.4;// The specific heat ratio
// Calculation
T_4=T_3*(r)^((k-1)/k);// K
T_5=T_3;// K
T_6=T_2;// K
T_1=T_6*(1/r)^((k-1)/k);// K
T_1C=T_1-273;// The minimum cycle temperature in °C
q_in=c_p*(T_2-T_1);// kJ/kg
w_comp=c_p*(T_4-T_3);// kJ/kg
w_turb=c_p*(T_6-T_1);// kJ/kg
COP=q_in/(w_comp-w_turb);// The coefficient of performance
printf("\nThe minimum cycle temperature,T_1=%3.0f°C \nThe coefficient of performance,COP=%0.3f",T_1C,COP);
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