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/CH7/EX7.7/Example7_7.sce | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100755 647/CH7/EX7.7/Example7_7.sce (limited to '647/CH7/EX7.7/Example7_7.sce') diff --git a/647/CH7/EX7.7/Example7_7.sce b/647/CH7/EX7.7/Example7_7.sce new file mode 100755 index 000000000..691bb18a0 --- /dev/null +++ b/647/CH7/EX7.7/Example7_7.sce @@ -0,0 +1,31 @@ +clear; +clc; + +// Example: 7.7 +// Page: 274 + +printf("Example: 7.7 - Page: 274\n\n"); + +// Solution + +//*****Data******// +T_steam1 = 50;// [OC] +T_steam2 = 30;// [OC] +msteam_dot = 10;// [kg/min] +T_water1 = 15;// [OC] +T_water2 = 25;// [OC] +//***************// + +// Solution (a) +// From the Stem Table: +H1 = 2645.9;// [kJ/kg, At 50 OC] +H2 = 768.2;// [kJ/kg, At 30 OC] +H3 = 62.982;// [kJ/kg, At 15 OC] +H4 = 104.83;// [kJ/kg, At 25 OC] +// The mass & Energy balance of the above flow gives: +mwater_dot = msteam_dot*(H1 - H2)/(H4 - H3);// [kg/min] +printf("The mass flow rate of water is %.2f kg/min\n",mwater_dot); + +// Solution (b) +Qdot = mwater_dot*(H4 - H3);// [kJ/min] +printf("The rate of heat transfer is %.2f kJ/min",Qdot); \ No newline at end of file -- cgit