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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 /3843/CH7/EX7.2 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '3843/CH7/EX7.2')
| -rw-r--r-- | 3843/CH7/EX7.2/Ex7_2.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/3843/CH7/EX7.2/Ex7_2.sce b/3843/CH7/EX7.2/Ex7_2.sce new file mode 100644 index 000000000..9ddfcf08e --- /dev/null +++ b/3843/CH7/EX7.2/Ex7_2.sce @@ -0,0 +1,17 @@ +// Example 7_2
+clc;funcprot(0);
+// Given data
+P_1=15;// The pressure at inlet in psia
+P_2=75;// The pressure at exhaust in psia
+T_1=80;// The temperature at inlet in °F
+T_2=440;// The temperature at exhaust in °F
+T_0=537;// °F
+R=53.3/778;// Btu/lbmol.°R
+
+// Calculation
+// Using values from air tables
+phi_1=0.60078;// Btu/lbmol.°R
+phi_2=0.72438;// Btu/lbmol.°R
+ds=(phi_2-phi_1)-((R)*log(P_2/P_1));// The entropy change in Btu/lbm.°R
+i=T_0*ds;// The irreversibility in Btu/lbm
+printf("\nThe irreversibility,i=%1.2f Btu/lbm",i);
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