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Diffstat (limited to '3720/CH14/EX14.14/Ex14_14.sce')
-rw-r--r-- | 3720/CH14/EX14.14/Ex14_14.sce | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/3720/CH14/EX14.14/Ex14_14.sce b/3720/CH14/EX14.14/Ex14_14.sce new file mode 100644 index 000000000..87937d032 --- /dev/null +++ b/3720/CH14/EX14.14/Ex14_14.sce @@ -0,0 +1,26 @@ +//Example 14-14
+clc;clear;funcprot(0);
+// Properties
+rho=998;//The density of water at 20°C in kg/m^3
+//Given values
+D_a=2.05;//Diameter in m
+n_a=120;//rpm
+n_b=120;//rpm
+omega_a=12.57;//rad/s
+omega_b=12.57;//rad/s
+V_a=350;//m^3/s
+H_a=75.0;//m
+H_b=104;//m
+bhp_a=242*10^6;//MW
+bhp_b=548*10^6
+g=9.81;//The acceleration due to gravity in m/s^2
+
+// Calculation
+N_StA=(((omega_a*bhp_a^(1/2)))/((rho)^(1/2)*(g*H_a)^(5/4)));
+printf('The dimensionless turbine specific speed for turbine A,N_StA=%0.2f\n',N_StA);
+N_StB=(((omega_b*bhp_b^(1/2)))/((rho)^(1/2)*(g*H_b)^(5/4)));
+printf('The dimensionless turbine specific speed for turbine B,N_StB=%0.2f\n',N_StB);
+//N_(St,US,A)=N_(St,US,B)=N_stus
+N_St=1.615;
+N_stus=43.46*N_St;
+printf('The turbine specific speed in customary U.S. units,N_(st,us)=%0.1f\n',N_stus);
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