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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 /2969/CH7/EX7.7 | |
| 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 '2969/CH7/EX7.7')
| -rwxr-xr-x | 2969/CH7/EX7.7/Ex7_7.sce | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/2969/CH7/EX7.7/Ex7_7.sce b/2969/CH7/EX7.7/Ex7_7.sce new file mode 100755 index 000000000..0f0b951a5 --- /dev/null +++ b/2969/CH7/EX7.7/Ex7_7.sce @@ -0,0 +1,18 @@ +clc
+clear
+//DATA GIVEN
+IP=30; //indicted power in kW
+BP=26; //Brake Power in kW
+N=1000; //engine speed in R.P.M.
+F=0.35; //fuel per brake power hour in kg/BP/h
+C=43900; //calorific value of fuel used in kJ/kg
+
+Fc=F*BP; //fuel consumption per hour
+Mf=Fc/3600;
+ETAti=IP/(Mf*C); //Indicted thermal eficiency
+ETAtb=BP/(Mf*C); //Brake thermal efficiency
+ETAm=BP/IP; //Mechanical efficiency
+
+printf(' (i) The Indicted thermal eficiency is: %5.3f or %2.1f percent. \n',ETAti,(ETAti*100));
+printf(' (ii) The Brake thermal efficiency is: %5.3f or %2.1f percent. \n',ETAtb,(ETAtb*100));
+printf('(iii) Mechanical efficiency is: %5.3f or %2.1f percent. \n',ETAm,(ETAm*100));
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