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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 /3821/CH13/EX13.8/Example13_8.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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Diffstat (limited to '3821/CH13/EX13.8/Example13_8.sce')
| -rw-r--r-- | 3821/CH13/EX13.8/Example13_8.sce | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/3821/CH13/EX13.8/Example13_8.sce b/3821/CH13/EX13.8/Example13_8.sce new file mode 100644 index 000000000..6f64b2048 --- /dev/null +++ b/3821/CH13/EX13.8/Example13_8.sce @@ -0,0 +1,23 @@ +////Chapter 13 Steam Engines
+////Example 13.8 Page No 288
+////Find Diagram factor
+//Input data
+clc;
+clear;
+P1=10; //Inlet pressure
+Pb=1; //Back pressure
+rc=3; //Expansion ratio
+a=12.1; //Area of indicator diagram
+b=7.5; //Length of indicator diagram
+S=3; //Pressure scale
+
+
+//Calculation
+Pm=round((P1/rc)*(1+log(rc))-Pb ); //Therotical mean effective pressure Pm
+Pma=a/b*S; //Actual mean effective pressure Pma
+K=Pma/Pm; //Diagram factor
+
+///Output
+printf('Therotical mean effective pressure= %f bar \n',Pm);
+printf('Actual mean effective pressure= %f bar \n',Pma);
+printf('Diagram factor= %f \n',K);
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