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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /555/CH7/EX7.9/9.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '555/CH7/EX7.9/9.sce')
| -rw-r--r-- | 555/CH7/EX7.9/9.sce | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/555/CH7/EX7.9/9.sce b/555/CH7/EX7.9/9.sce new file mode 100644 index 000000000..8b5575585 --- /dev/null +++ b/555/CH7/EX7.9/9.sce @@ -0,0 +1,26 @@ +// Implementation of example 7.9
+// Basic and Applied Thermodynamics by P.K.Nag
+
+clc
+clear
+
+//Mass flow rate of air entering the device m1, Pressure p1, Temperature T1
+//Mass flow rate of air exiting through stream1 m2 and stream2 m3
+
+m1 = 2;//kg/s
+p1 = 4;//bar
+T1 = 300;//K
+p2 = 1;//bar
+p3 = 1;//bar
+T2 = 330;//K
+T3 = 270;//K
+cp = 1.005;//kJ/kg K
+R = 0.287;//KJ/Kg K
+m2 = m1/2;
+m3 = m2;
+//s21 = s2 - s1
+s21 = cp*log(T2/T1)-R*log(p2/p1);
+s31 = cp*log(T3/T1)-R*log(p3/p1);
+Sgen = m2*s21 + m3*s31;
+printf('Sgen = %0.3f kW/K \nSince Sgen > 0, the device is possible',Sgen);
+//end
\ No newline at end of file |