diff options
Diffstat (limited to '3751/CH4/EX4.2')
| -rw-r--r-- | 3751/CH4/EX4.2/Ex4_2.sce | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/3751/CH4/EX4.2/Ex4_2.sce b/3751/CH4/EX4.2/Ex4_2.sce new file mode 100644 index 000000000..7901582b4 --- /dev/null +++ b/3751/CH4/EX4.2/Ex4_2.sce @@ -0,0 +1,38 @@ +//Fluid system - By - Shiv Kumar
+//Chapter 4 - Pelton Turbine (Impulse Turbine)
+//Example 4.2
+ clc
+ clear
+
+//Given Data:-
+ u=12; //Speed of bucket, m/s
+ ui=u;
+ uo=u;
+ Q=650; //Discharge, liters/s
+ H=40; //Head of water, m
+ AoD=162; //Angle of Deflection, degrees
+ Cv=0.98; //Co-efficient of Velocity
+
+//Data Used:-
+ rho=1000; //Density of water, kg/m^3
+ g=9.81; //Acceleration due to gravity, m/s^2
+
+//Computations:-
+ Q=Q/1000; //m^3/s
+ beta_O=180-AoD; //Blade angle a outlet, degrees
+ Vi=Cv*sqrt(2*g*H); //Velocity of Jet, m/s
+ Vwi=Vi;
+ Vri=Vi-ui; //m/s
+ Vro=Vri;
+ Vrwo=Vro*cosd(beta_O); //m/s
+ Vwo=Vrwo-uo; //m/s
+ //(a)Power given by water to runner, P
+ P=rho*Q*(Vwi+Vwo)*u/1000; //kW
+ //(b)The hydraulic efficiency, eta_H
+ eta_H=2*(Vwi+Vwo)*u/Vi^2*100; //In percentage
+
+//Results:-
+ printf("(a)The Power given by water to the runner=%.3f kW \n", P) //The answer vary due to round off error
+ printf("(b)The Hydraulic Efficiency of Turbine, eta_H=%.2f percent \n", eta_H) //The answer vary due to round off error
+
+
|