From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 647/CH8/EX8.10/Example8_10.sce | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100755 647/CH8/EX8.10/Example8_10.sce (limited to '647/CH8/EX8.10/Example8_10.sce') diff --git a/647/CH8/EX8.10/Example8_10.sce b/647/CH8/EX8.10/Example8_10.sce new file mode 100755 index 000000000..bce25e4d2 --- /dev/null +++ b/647/CH8/EX8.10/Example8_10.sce @@ -0,0 +1,42 @@ +clear; +clc; + +// Example: 8.10 +// Page: 313 + +printf("Example: 8.10 - Page: 313\n\n"); + +// Solution + +//*****Data******// +Q = 5;// [tons] +T1 = 253;// [Temperature of the working fluid leaving the evaporator, K] +T2 = 303;// [Temperature of the working fluid leaving the evaporator, K] +T3 = 303;// [K] +Pressure_Ratio = 4; +C = 1.008;// [kJ/kg] +gama = 1.4; +//**************// + +// Solution (a) +T2 = T1*((Pressure_Ratio)^((gama - 1)/gama));// [K] +T2 = T1*(Pressure_Ratio)^((gama - 1)/gama);// [K] +T4 = T3/((Pressure_Ratio)^((gama - 1)/gama));// [K] +COP = T1/(T2 - T1); +printf("COP of Air Refrigeration System is %.2f\n",COP); + +// Solution (b) +mdot = Q*12660/(C*(T1 - T4));// [kg/h] +printf("Mass flow rate of the refrigerant is %.2f kg/h\n",mdot); + +// Solution (c) +Wcompression = mdot*C*(T2 - T3);// [kJ/h] +printf("The work of Compression is %.2f kW\n",Wcompression/3600); + +// Solution (d) +Wexpansion = mdot*C*(T1 - T4);// [kJ/h] +printf("The work of expansion is %.2f kW\n",Wexpansion/3600); + +// Solution (e) +Wnet = Wcompression - Wexpansion;// [kJ/h] +printf("Net work of the system is %.2f kW\n",Wnet/3600); \ No newline at end of file -- cgit