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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3751/CH6/EX6.2/Ex6_2.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3751/CH6/EX6.2/Ex6_2.sce')
| -rw-r--r-- | 3751/CH6/EX6.2/Ex6_2.sce | 32 |
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diff --git a/3751/CH6/EX6.2/Ex6_2.sce b/3751/CH6/EX6.2/Ex6_2.sce new file mode 100644 index 000000000..42e18e65f --- /dev/null +++ b/3751/CH6/EX6.2/Ex6_2.sce @@ -0,0 +1,32 @@ +//Fluid System By Shiv Kumar
+//Chapter 6 - Kaplan and Propeller Turbines
+//Example 6.2
+//To Find Diameter of Runner, Speed of Runner and Specific Speed of Turbine
+
+ clc
+ clear
+
+//Given:
+ P=8; //Shaft Power, MW
+ H=6; //Head, m
+ Ku=2.09; //Speed Ratio
+ Kf=0.68; //Flow Ratio
+ eta_0=90/100; //Overall Efficiency
+ dbyD=1/3; //Ratio of Diameters of Hub and Runner
+
+//Data Required:
+ rho=1000; //Density of Water, Kg/m^3
+ g=9.81; //Acceleration due to gravity, m/s^2
+
+//Computations
+
+ Q=P*10^6/(rho*g*H*eta_0); //Discharge, m^3/s
+ d=sqrt(Q/((%pi/4)*Kf*sqrt(2*g*H)*(dbyD^-2-1))); //Diameter of hub, m
+ D=d/dbyD; //Diameter of runner, m
+ N=Ku*60*sqrt(2*g*H)/(%pi*D); //Speed of Runner, rpm
+ Ns=N*(P*10^3)^(1/2)/(H^(5/4)); //Specific Speed of Turbine, SI Units
+
+//Results
+ printf("Diameter of Runner, D =%.1f m \n",D)
+ printf("Speed of Runner, N = %.2f rpm \n",N) //The answer provided in the textbook is wrong
+ printf("Specific Speed of Turbine, Ns = %.2f (SI Units)",Ns) //The answer provided in the textbook is wrong(Due to error in N)
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