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+// Implementation of example 6.5
+// Basic and Applied Thermodynamics by P.K.Nag
+
+clc
+clear
+
+T1 = 473; //K
+T2 = 293; //K
+T3 = 273; //K
+//let Q1 be any constant
+Q1 = 1;
+Q2 = Q1*T2/T1;
+W = (T1 - T2)*Q1/T1;
+//COP = T2/(T2 - T3) = Q'/W
+Q2_ = T2/(T2 - T3) * (T1 - T2)/T1 * Q1;
+
+MF = (Q2 + Q2_)/Q1; //multiplication factor
+printf("Multiplication factor, MF = %0.2f",MF);
+// end \ No newline at end of file