diff options
| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /1943/CH10/EX10.14/Ex10_14.sce | |
| 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 '1943/CH10/EX10.14/Ex10_14.sce')
| -rwxr-xr-x | 1943/CH10/EX10.14/Ex10_14.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/1943/CH10/EX10.14/Ex10_14.sce b/1943/CH10/EX10.14/Ex10_14.sce new file mode 100755 index 000000000..955b1ba8a --- /dev/null +++ b/1943/CH10/EX10.14/Ex10_14.sce @@ -0,0 +1,21 @@ + +clc
+clear
+//Input data
+Ns=210//Specific speed
+P=30//Power in MW
+N=180//Speed in rpm
+Q=0.6//Discharge in m^3/s
+h=4.5//Head in m
+e=88//Efficiency in percent
+d=1000//Density in kg/m^3
+
+//Calculations
+Pm=(d*Q*9.81*h*(e/100)*10^-3)//Power in kW
+Nm=(Ns*h^(5/4))/sqrt(Pm)//Speed in rpm
+Hp=((N*sqrt(P*1000))/Ns)^(4/5)//Head in m
+Dpm=(Nm/N)*sqrt(Hp/h)//Scale ratio
+Qp=(P*10^6)/(d*9.81*Hp*(e/100))//Discharge in m^3/s
+
+//Output
+printf('Speed is %3.0f rpm \n Power is %3.3f kW \n Scale ratio is %3.3f \n Flow through the turbine is %3.1f m^3/s',Nm,Pm,Dpm,Qp)
|