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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 /1187/CH13/EX13.7/7.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 '1187/CH13/EX13.7/7.sce')
| -rwxr-xr-x | 1187/CH13/EX13.7/7.sce | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/1187/CH13/EX13.7/7.sce b/1187/CH13/EX13.7/7.sce new file mode 100755 index 000000000..dbf1abbde --- /dev/null +++ b/1187/CH13/EX13.7/7.sce @@ -0,0 +1,40 @@ +clc
+
+H=16.5; // m
+Q=0.015; // m^3/s
+n=0.63;
+H_s=11.5;
+rho=1000; // kg/m^3
+g=9.81; // m/s^2
+
+h_f=(100*Q)^2; // frictional head loss
+
+h_valve = H - H_s - h_f;
+
+P=rho*g*H*Q/n;
+disp("(i) the power consumption of the pump =")
+disp(P/1000)
+disp("kW")
+
+disp("(ii) The power dissipated in the pump =")
+P_d=P*(1-n)/1000;
+disp(P_d)
+disp("kW")
+
+disp("(iii) The power lost by pipe friction =")
+P_f=rho*g*h_f*Q;
+disp(P_f/1000)
+disp("kW")
+
+disp("(iv) The power lost in the valve =")
+P_valve=rho*g*h_valve*Q;
+disp(P_valve/1000)
+disp("kW")
+
+P_s=rho*g*H_s*Q;
+
+n_overall = P_s/P*100;
+
+disp("(b) Overall efficiency of the installation =")
+disp(n_overall)
+disp("%")
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