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 --- 686/CH14/EX14.2/Ex14_2.sci | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100755 686/CH14/EX14.2/Ex14_2.sci (limited to '686/CH14/EX14.2') diff --git a/686/CH14/EX14.2/Ex14_2.sci b/686/CH14/EX14.2/Ex14_2.sci new file mode 100755 index 000000000..bee1a9ebc --- /dev/null +++ b/686/CH14/EX14.2/Ex14_2.sci @@ -0,0 +1,22 @@ +clc(); +clear; + + // To calculate the heat exchange by radiation between two walls + + t1 = 2500; // Temperature of saturated steam in F + t2 = 600; // Temperature of tube wall in F + p = 0.87; // Emperical factor + A = 148.5; // Area of tube walls + A1 = 168.8; // Area of walls lined with cooling tubes + e = 0.8 ; // Emmisivity of silver + s = 0.173*10^-8; // Stephens boltzmanns constant + + q = p*s*e*A*((t1+460)^4-(t2+460)^4); // Heat loss in Btu/hr + L = 649.4; // Latent heat of vapourization in Btu/lb + m = q/L; // Generation of steam in lb/hr + A2 = A1*%pi/2; // Area of tube in ft^2 + h = q/A2; // Heat absorption rate + printf("The heat absorption per square foot of tube area is %d Btu/hr-ft^2" ,h); + + + \ No newline at end of file -- cgit