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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /1073/CH3/EX3.48 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '1073/CH3/EX3.48')
| -rwxr-xr-x | 1073/CH3/EX3.48/3_48.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/1073/CH3/EX3.48/3_48.sce b/1073/CH3/EX3.48/3_48.sce new file mode 100755 index 000000000..28c8b0738 --- /dev/null +++ b/1073/CH3/EX3.48/3_48.sce @@ -0,0 +1,21 @@ +clc;
+clear;
+//Example 3.48
+rho=960 //[kh/m^3]
+mu=2.82*10^-4 //[kg/(m.s)]
+k=0.68 //[W/(m.K)]
+lambda=2255 //[kJ/kg]
+lambda=lambda*10^3 //[J/kg]
+Ts=373 //Saturation temperature of steam [K]
+Tw=371 //[K]
+dT=Ts-Tw //[K]
+L=0.3 //Dimension [m]
+g=9.81 //[m/s^2]
+h=0.943*(rho^2*g*lambda*k^3/(L*mu*dT))^(1/4) //W/sq m.K
+A=L^2 //[sq m]
+Q=h*A*(Ts-Tw) //[W]=[J/s]
+m_dot=Q/lambda //Condensate rate[kg/s]
+m_dot=m_dot*3600 //[kg/h]
+printf("\n Average heat transfer coefficient is %f W/(sq m.K)\n",h);
+printf("\nHeat transfer rate is %f J/kg\n",Q);
+printf("\n Steam condensate rate per hour is %f kg/h\n",m_dot);
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