From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:27:19 +0530 Subject: initial commit / add all books --- .../EX14.4/14_4_Helium_Gas_spherical_container.sce | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 534/CH14/EX14.4/14_4_Helium_Gas_spherical_container.sce (limited to '534/CH14/EX14.4/14_4_Helium_Gas_spherical_container.sce') diff --git a/534/CH14/EX14.4/14_4_Helium_Gas_spherical_container.sce b/534/CH14/EX14.4/14_4_Helium_Gas_spherical_container.sce new file mode 100644 index 000000000..46db4f06d --- /dev/null +++ b/534/CH14/EX14.4/14_4_Helium_Gas_spherical_container.sce @@ -0,0 +1,20 @@ +clear; +clc; +printf('FUNDAMENTALS OF HEAT AND MASS TRANSFER \n Incropera / Dewitt / Bergman / Lavine \n EXAMPLE 14.4 Page 902 \n')// Example 14.4 + +// The rate of change of the helium pressure dp/dt + +D = .2 ;//[m] Diameter +L = 2*10^-3 ;//[m] Thickness +p = 4 ;//[bars] Helium Pressure +T = 20+273 ;//[K] Temperature +//Table A.8 helium-fused silica (293K) Page 952 +Dab = .4*10^-13 ;//[m^2/s] Diffusion coefficient +//Table A.10 helium-fused silica (293K) +S = .45*10^-3 ;//[kmol/m^3.bar] Solubility + +// By applying the species conservation Equation 14.43 and 14.62 +dpt = -6*(.08314)*T*(Dab)*S*p/(L*D); + +printf('\n The rate of change of the helium pressure dp/dt %.2e bar/s',dpt); +//END \ No newline at end of file -- cgit