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 --- 530/CH9/EX9.7.b/example_9_7b.sce | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100755 530/CH9/EX9.7.b/example_9_7b.sce (limited to '530/CH9/EX9.7.b') diff --git a/530/CH9/EX9.7.b/example_9_7b.sce b/530/CH9/EX9.7.b/example_9_7b.sce new file mode 100755 index 000000000..4bbc20885 --- /dev/null +++ b/530/CH9/EX9.7.b/example_9_7b.sce @@ -0,0 +1,36 @@ +clear; +clc; + +// A Textbook on HEAT TRANSFER by S P SUKHATME +// Chapter 9 +// Mass Transfer + + +// Example 9.7(b) +// Page 366 +printf("Example 9.7(b), Page 366 \n \n"); + +D = 0.04 ; // [m] +V = 1.9 ; // [m/s] + +// (b) mess transfer correlation equivalent to the Gleilinski equation + +// Properties of air at 27 degree C +v = 15.718*10^-6 ; // [m^2/s] +rho = 1.177 ; // [kg/m^3] +Pr = 0.7015 ; +Cp = 1005 ; // [J/kg K] +k = 0.02646 ; // [W/m K] +// From Table 9.2 +Dab = 2.54 * 10^-5 ; // [m^2/s] +Sc = v/Dab ; +Re = V*D/v; + +// From Blasius equation 4.6.4a +f = 0.079*Re^(-0.25); + +// Substituting in eqn 9.6.7 +Sh_D = [(f/2)*(Re-1000)*Sc]/[1+12.7*((f/2))*((Sc^(2/3))-1)]; +h_m1 = Sh_D*Dab/D; + +printf("(b) h_m = %f \n",h_m1); \ No newline at end of file -- cgit