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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 /1922/CH4/EX4.9/4_9.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 '1922/CH4/EX4.9/4_9.sce')
| -rwxr-xr-x | 1922/CH4/EX4.9/4_9.sce | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/1922/CH4/EX4.9/4_9.sce b/1922/CH4/EX4.9/4_9.sce new file mode 100755 index 000000000..7fed8f217 --- /dev/null +++ b/1922/CH4/EX4.9/4_9.sce @@ -0,0 +1,28 @@ +clc
+clear
+//Initialization of variables
+R=8.314
+cp=35.58
+n=100/16
+T1=300 //K
+T2=500 //K
+k=1.305
+P2=3 //Mpa
+P1=0.5 //Mpa
+Ts=290 //K
+//calculations
+cv=cp-R
+Wi=n*R*T1/(k-1) *((P2/P1)^((k-1)/k) -1)
+Hi=Wi
+Ha=n*cp*(T2-T1)
+eta=abs(Hi/Ha)
+dss1=cp*log(T2/T1) - R*log(P2/P1)
+Wl1=Ts*dss1
+dss2=n*cp*log(T2/T1)
+dss3=abs(Ha/Ts)
+dsst=dss2+dss3
+Wl2=-Ts*dss2 +Ha
+Wlost=Wl1+Wl2
+//results
+printf("Thermodynamic efficiency = %.3f",eta)
+printf("\n Net work lost = %d kJ",Wlost)
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