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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 /1226/CH20/EX20.28/EX20_28.sce | |
| 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 '1226/CH20/EX20.28/EX20_28.sce')
| -rwxr-xr-x | 1226/CH20/EX20.28/EX20_28.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/1226/CH20/EX20.28/EX20_28.sce b/1226/CH20/EX20.28/EX20_28.sce new file mode 100755 index 000000000..36945e207 --- /dev/null +++ b/1226/CH20/EX20.28/EX20_28.sce @@ -0,0 +1,17 @@ +clc;funcprot(0);//EXAMPLE 20.28
+// Initialisation of Variables
+p1=1;.............//Intake pressure in bar
+p4=36;........//Final pressure in bar
+n=1.25;.........//Compression index
+R=0.287;.......//Gas constant in kJ/kgK
+t1=300;..........//Intake temperature in K
+ns=3;...........//No of stages
+v=15;..........//Volume of air delivered in m^3
+//Calculations
+p2=p1*((p4/p1)^(1/ns));
+p3=p2*((p4/p1)^(1/ns));
+printf("\n\nIntermediate pressures\n\n p2=%f\n p3=%f\n\n",p2,p3)
+t2=t1*((p4/p1)^(((n-1)/n)*(1/ns)));....//Delivery temperature in K
+m=p1*10^5*v/(R*1000*t1);...........//Mass of air handled per min in kg
+Wt=((n/(n-1))*m*R*(1/60)*(t2-t1)*ns);........//Total work done in three stages
+disp(Wt,"Indicated power required in kW:")
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