diff options
Diffstat (limited to '3720/CH14/EX14.9')
| -rw-r--r-- | 3720/CH14/EX14.9/EX14_9.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/3720/CH14/EX14.9/EX14_9.sce b/3720/CH14/EX14.9/EX14_9.sce new file mode 100644 index 000000000..1e776d19c --- /dev/null +++ b/3720/CH14/EX14.9/EX14_9.sce @@ -0,0 +1,16 @@ +//Example 14_9
+clc;clear;funcprot(0);
+// Given values
+n=1170;// Rotation rate in rpm
+H=23.5;// Net head in ft
+v=320;// gpm
+g=9.81;// m/s^2
+
+// Calculation
+N_spUS=(n*v^(1/2)/(H)^(3/4));
+printf('The pump specific speed in customary U.S. units,N_sp,US=%0.1f \n',N_spUS);
+omega=(2*%pi*n)/60;
+// N_sp1=N_spUS*(N_sp/N_spUS) using conversion factor
+N_sp1=N_spUS*(3.658*(10^-4));
+printf('Normalized pump specific speed using the conversion factor =%0.3f \n',N_sp1);
+// The answer vary due to round off error
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