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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/CH6/EX6.6 | |
| 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/CH6/EX6.6')
| -rwxr-xr-x | 1073/CH6/EX6.6/6_6.sce | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/1073/CH6/EX6.6/6_6.sce b/1073/CH6/EX6.6/6_6.sce new file mode 100755 index 000000000..ea2d07a65 --- /dev/null +++ b/1073/CH6/EX6.6/6_6.sce @@ -0,0 +1,27 @@ +clc;
+clear;
+//Example 6.6
+mf_dot=5000 //[kg/h]
+ic=0.01 //Initial concentration [kg/h]
+fc=0.02 //Final concentration [kg/h]
+T=373 //Boiling pt of saturation in [K]
+Ts=383 //Saturation temperature of steam in [K]
+mdash_dot=ic*mf_dot/fc //[kg/h]
+mv_dot=mf_dot-mdash_dot //Water evaporated in [kg/h]
+Hf=125.79 //[kJ/kg]
+Hdash=419.04 //[kJ/kg]
+Hv=2676.1 //[kJ/kg]
+lambda_s=2230.2 //[kJ/kg]
+ms_dot=(mdash_dot*Hdash+mv_dot*Hv-mf_dot*Hf)/lambda_s //Steam flow rate in [kg/h]
+eco=mv_dot/ms_dot //Steam economy
+Q=ms_dot*lambda_s //Rate of heat transfer in [kJ/h]
+Q=Q*1000/3600 //[J/s]
+dT=Ts-T //[K]
+
+A=69 //Heating area of evaporator in [sq m]
+U=Q/(A*dT) //Overall heat transfer coeff in [W/sq m.K]
+printf("\nSteam economy is %f\n",eco);
+printf("\n\nOverall heat transfer coefficient is %d W/sq m.K",round(U));
+
+
+
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