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//Fluid system - By - Shiv Kumar
//Chapter 2 - Impact of Jet
//Example 2.20
clc
clear
//Given Data:-
d=40; //Diameter of the Jet, mm
V=35; //Absolute Velocity of the Jet, m/s
u=18; //Velocity of the curved plate, m/s
AoD=165; //Angle of deflection of the Jet, degrees
//Data Used:-
rho=1000; //Density of water, kg/m^3
//Computations:-
d=d/1000; //m
a=(%pi/4)*d^2; //cross-sectional area of Jet, m^2
theta=180-AoD; //degrees
//(a)
Fx=rho*a*V*(V-u)*(1+cosd(theta)); //N
//(b)Work done by Jet per second, W
W=Fx*u; //N-m/s
//(c)
eta=W*2/(rho*a*V^3)*100; //In percentage
//Results:-
printf("(a)Force exerted on the series of curved plates in direction of Jet, Fx=%.2f N \n", Fx) //The answer vary due to round off error
printf("(b)Work done by Jet per second=%.2f N-m/s \n", W) //The answer vary due to round off error
printf("(c)Efficiency of the Jet, eta=%.2f percent", eta) //The answer vary due to round off error
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