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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 /2870/CH15/EX15.2/Ex15_2.sce | |
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initial commit / add all books
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| -rwxr-xr-x | 2870/CH15/EX15.2/Ex15_2.sce | 28 |
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diff --git a/2870/CH15/EX15.2/Ex15_2.sce b/2870/CH15/EX15.2/Ex15_2.sce new file mode 100755 index 000000000..6becc2d29 --- /dev/null +++ b/2870/CH15/EX15.2/Ex15_2.sce @@ -0,0 +1,28 @@ +clc;clear;
+//Example 15.2
+
+//given data
+P=100;
+
+//from Table A-1
+Mair=29;
+MC=12;
+MH=2;
+
+//calculations
+//Chemical reaction
+//C2H6 + 1.2at(1O2 + 3.76) =2CO2 + 3H2O + 0.2athO2 + (1.2*3.76)athN2
+//ath is the stoichiometric coefficient for air
+//Oxygen balance gives
+// 1.2ath = 2 + 1.5 + 0.2ath
+ath=(2+1.5)/(1.2-0.2);
+AF=(1.2*ath)*4.76*Mair/(2*MC+3*MH);
+disp(AF,'air-fuel ratio of combustion process in kg air/kg fuel');
+//C2H6 + 4.2(O2 + 3.76N2) = 2CO2 + 3H2O + 0.7O2 + 15.79N2;
+Nprod=2+3+0.7+15.79;
+//for dew point water vapour condenses
+Nv=3;
+Pv=Nv/Nprod*P;
+//at this Pv
+Tdp=52.3;
+disp(Tdp,'the dew-point in C')
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