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//Fluid Systems - By Shiv Kumar
//Chapter 16- Hydraulic Power and Its Transmissions
//Example 16.5
//To Calculate the Increase in Pressure Intensity.
clc
clear
//Given Data:-
d=200; //diameter of Pipe, mm
Q=40; //Discharge, Litres/s
l=600; //Length of Pipe, m
t=1.5; //Time taken to close the Valve gradually, s
//Data Required:-
rho=1000; //Density of Water, Kg/m^3
//Computations:-
A=(%pi/4)*(d/1000)^2; //m^2
V=(Q/1000)/A; //m/s
p=rho*l*V/(t*1000); //Pressure Rise, kPa
//Results:-
printf("The Pressure Rise due to Gradual Closure of Valve=%.f kPa\n",p) //The answer vary due to round off error
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