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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /534/CH10/EX10.4 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '534/CH10/EX10.4')
| -rw-r--r-- | 534/CH10/EX10.4/10_4_Steam_Condenser.sce | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/534/CH10/EX10.4/10_4_Steam_Condenser.sce b/534/CH10/EX10.4/10_4_Steam_Condenser.sce new file mode 100644 index 000000000..cb6a4ca11 --- /dev/null +++ b/534/CH10/EX10.4/10_4_Steam_Condenser.sce @@ -0,0 +1,32 @@ +clear;
+clc;
+printf('FUNDAMENTALS OF HEAT AND MASS TRANSFER \n Incropera / Dewitt / Bergman / Lavine \n EXAMPLE 10.4 Page 652 \n'); //Example 10.4
+// Condensation rate per unit length of tubes
+
+//Operating Conditions
+Ts = 25+273 ;//[K] Surface Temperature
+Tsat = 54+273 ;//[K] Saturated Temperature
+D = .006 ; //[m] Diameter of pan
+g = 9.81 ;//[m^2/s] gravitaional constant
+N = 20 // No of tubes
+
+//Table A.6 Saturated Vapor Properties p = 1.015 bar
+rhov = .098 ;//[kg/m^3] Density
+hfg = 2373*10^3 ;//[J/kg] Specific Heat
+//Table A.6 Saturated water Liquid Properties Tf = 312.5 K
+rhol = 992 ;//[kg/m^3] Density
+cpl = 4178 ;//[J/kg.K] Specific Heat
+kl = 0.631 ; //[W/m.K] Conductivity
+ul = 663*10^-6 ; //[N.s/m^2] Viscosity
+
+Ja = cpl*(Tsat-Ts)/hfg;
+hfg2 = hfg*(1+.68*Ja);
+//Equation 10.46
+h = .729*[g*rhol*(rhol-rhov)*kl^3*hfg2/(N*ul*(Tsat-Ts)*D)]^.25;
+//Equation 10.34
+m1 = h*(%pi*D)*(Tsat-Ts)/hfg2;
+
+m = N^2*m1;
+
+printf("\n For the complete array of tubes, the condensation per unit length is %.3f kg/s.m",m);
+//END
\ No newline at end of file |