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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 /32/CH19/EX19.04 | |
| 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 '32/CH19/EX19.04')
| -rwxr-xr-x | 32/CH19/EX19.04/19_04.sce | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/32/CH19/EX19.04/19_04.sce b/32/CH19/EX19.04/19_04.sce new file mode 100755 index 000000000..38d032247 --- /dev/null +++ b/32/CH19/EX19.04/19_04.sce @@ -0,0 +1,38 @@ +//pathname=get_absolute_file_path('19.04.sce')
+//filename=pathname+filesep()+'19.04-data.sci'
+//exec(filename)
+//Velociy of turbojet plane(in m/s):
+Ca=277.78
+//Thrust to velocity ratio:
+r1=0.5
+//Rate at which air enters(in kg/s):
+m=50
+//Air fuel ratio:
+r=52
+//Lower calorific value of fuel:
+LCV=43100
+//Jet velocity(in m/s):
+Ce=Ca/r1
+printf("\n RESULT \n")
+printf("\nJet velocity = %f m/s",Ce)
+//Thrust(in N):
+T=(m+m/r)*Ce-m*Ca
+printf("\nThrust = %f kN",T/10^3)
+//Specific thrust(in N/kg/s):
+St=T/m
+printf("\nSpecific thrust = %f N/kg/s",St)
+//Thrust power(in kW):
+P=T*Ca/10^3
+printf("\nThrust power = %f kW",P)
+//Propulsive efficiency:
+np=2/(1+1/r1)*100
+printf("\nPropulsive efficiency = %f percent",np)
+//Thermal efficiency:
+nt=((1+1/r)*Ce^2-Ca^2)/(2*1/r*LCV)/10
+printf("\nThermal efficiency = %f percent",nt)
+//Overall efficiency:
+no=np*nt/100
+printf("\nOverall efficiency = %f percent",no)
+//Specific fuel consumption(in kg/h.N):
+sfc=m/r*3600/(T)
+printf("\nSpecific fuel consumption = %f kg/h.N",sfc)
\ No newline at end of file |