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+clc
+V1 = 0.37 // volume flow rate at inlet in m^3/kg
+P1 = 600// Inlet pressure in kPa
+v1 = 16 // Inlet velocity of flow in m/s
+V2 = 0.62 // volume flow rate at exit in m^3/kg
+P2 = 100// Exit pressure in kPa
+v2 = 270 // Exit velocity of flow in m/s
+Z1 = 32 // Height of inlet port from datum in m
+Z2 = 0 //Height of exit port from datum in m
+g = 9.81 // Acceleration due to gravity
+Q = -9 // Heat transfer in kJ/kg
+W = 135 // Work transfer in kJ/kg
+U12 = (P2*V2-P1*V1) + ((v2^2-v1^2)/2000) + (Z2-Z1)*g*1e-3 + W - Q // Change in internal energy in kJ
+
+printf("\n Example 5.2")
+printf("\n The internal energy decreases by %f kJ",U12)
+//The answers vary due to round off error
+