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//Fluid system - By - Shiv Kumar
//Chapter 2 - Impact of Jet
//Example 2.14
clc
clear
//Given Data:-
Vi=50; //Absolute velocity of Jet at inlet, m/s
u=25; //velocity of vane, m/s
ui=u;
uo=u;
alpha_i=32; //Angle made by Vi at inlet, degrees
alpha_l=90; //Angle made by Vi at outlet, degrees
alpha_o=180-alpha_l; //degrees
//Computations:-
Vfi=Vi*sind(alpha_i); //m/s
Vwi=Vi*cosd(alpha_i); //m/s
Vwi=Vwi-ui; //m/s
beta_i=atand(Vfi/Vwi); //degrees
Vri=Vfi/sind(beta_i); //m/s
Vro=Vri;
beta_o=acosd(uo/Vro); //degrees
//Result:-
printf("Vane Angle at Inlet, beta_i=%.2f degrees \n", beta_i)
printf("Vane angle at outlet, beta_o=%.2f degrees \n", beta_o) //The answer vary due to round off error
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