From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Tue, 10 Oct 2017 12:27:19 +0530
Subject: initial commit / add all books

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+//Fluid system - By - Shiv Kumar
+//Chapter 4 - Pelton Turbine (Impulse Turbine)
+//Example 4.10
+      clc
+     clear
+     
+//Given Data:-
+        N=300;          //Speed of runner, rpm
+        H=510;           //Head, m
+        d=200;            //Diameter of the Jet, mm
+        AoD=165;       //Angle of Deflection, degrees
+        Vel_per=15;       //percentage by which velocity is reduced
+
+//Data Used:-
+     rho=1000;     //Density of water, kg/m^3
+     g=9.81;        //Acceleration due to gravity, m/s^2
+     Cv=0.98;
+     Ku=0.46;
+
+//Computations:-
+     d=d/1000;            //m
+     beta_O=180-AoD;           //degrees
+     Vro_by_Vri=1-Vel_per/100;          //Vro/Vri
+     Vi=Cv*sqrt(2*g*H);            //m/s
+     Vwi=Vi;
+     ui=Ku*sqrt(2*g*H);           //m/s
+     uo=ui;
+     u=ui;
+     Vri=Vi-ui;         //m/s
+     Vro=Vri*Vro_by_Vri;        //m/s
+     Vrwo=Vro*cosd(beta_O);        //m/s
+     Vwo=uo-Vrwo;          //m/s
+
+  //(i) Water power available at inlet of turbine, P
+     Q=(%pi/4)*d^2*Vi;           //m^3.s
+     P=(1/2)*rho*Q*Vi^2/1000;        //kW
+  //(ii)Resultant force on the bucket, F
+     F=rho*Q*(Vwi-Vwo)/1000;          //kN
+  //(iii)Overall Efficiency, eta_o
+     eta_H=F*u/P;              //Hydraulic efficiency
+    //Assume,
+     eta_V=100/100;          //Volumetric efficiency is 100%
+     eta_m=98/100          //Mechanical Efficiency is 98%
+     
+     eta_O=eta_V*eta_H*eta_m*100;          //In percentage
+
+//Results:-
+     printf("(i)Water power available at inlet of turbine=%.2f  kW  \n", P)       //The answer provided in the Textbook is wrong
+     printf("(ii)Resultant force on the bucket, F=%.3f kN  \n", F)     //The answer vary due to round off error
+     printf("(iii)Overall efficiency, eta_O=%.2f percent", eta_O)     //The answer vary due to round off error
+
-- 
cgit