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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 /839/CH27/EX27.2 | |
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| -rwxr-xr-x | 839/CH27/EX27.2/Example_27_2.sce | 27 |
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diff --git a/839/CH27/EX27.2/Example_27_2.sce b/839/CH27/EX27.2/Example_27_2.sce new file mode 100755 index 000000000..c50ab771e --- /dev/null +++ b/839/CH27/EX27.2/Example_27_2.sce @@ -0,0 +1,27 @@ +//clear//
+clear;
+clc;
+
+//Example 27.2
+//Given
+//A = MgSO4, B = MgSO4.7H2O and C = H2O
+T = 120; //[F]
+wA = 0.325;
+
+//Solution
+//From Fig 27.4
+//Enthalpy coordinate of the point wA
+H1 = -33; //[Btu/lb]
+//Enthalpy coordinate of the final magma at concentration wA
+H2 = -78.4; //[Btu/lb]
+//Per hundred pouds of original solution the change in enthalpy
+F = 100; //[lb]
+delta_H = F*(H1-H2); //[Btu]
+//Applying "center-of gravity principle" to 70 F isotherm in Fig. 27.3
+C_ML = 0.259;
+C_CRY = 0.488;
+//Crystals are
+Cry = F*(wA-C_ML)/(C_CRY-C_ML); //[lb/100lb slurry]
+//The heat evolved per ton of crystals is
+H = delta_H/Cry*2000; //[Btu/ton]
+disp('Btu/ton',H,'The heat evolved per ton of crystals is')
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