//Fluid Systems - By Shiv Kumar //Chapter 12- Reciprocating Pumps //Example 12.4 //To Find whether seperation will take place, and if so, at which section of pipe. clc clear //Given Data:- ld=60.96; //Length of Delivery Pipe, m a=1.83; //Acceleration of Plunger Pump, m/s^2 A_by_ad=2; //ratio of Sectional Area of Plunger to that of Delivery Pipe. //Referring to Fig 12.6 in the textbook, ef=18.3; //m eq=12.19; //m dq=1.83; //m slope=3; Hsp=2.44; //Pressure Head in pipe when seperation takes place, m of water Hatm=10.36; //Atmospheric Pressure Head (Barometer Reading), m of water //Data Used:- g=9.81; //Acceleration due to gravity, m/s^2 //Computations:- Had=-(ld/g)*A_by_ad*a; //Head at end of stroke, a=acceleration=omega^2*r, Had in m dp=Had; // Referring to Fig 12.6 in the textbook ed=eq+dq; Hd=ed; //Total Delivery Head, m Hrd=Had+Hd; //Resultant Pressure in Delivery pipe at end of Stroke, m Habs=Hatm+Hrd; //Absolute Pressure. m of water Hv=Hatm-Hsp; //Vaccum pressure, m x=-Hv-Had; //m if Habs