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 --- 3751/CH4/EX4.13/Ex4_13.sce | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 3751/CH4/EX4.13/Ex4_13.sce (limited to '3751/CH4/EX4.13/Ex4_13.sce') diff --git a/3751/CH4/EX4.13/Ex4_13.sce b/3751/CH4/EX4.13/Ex4_13.sce new file mode 100644 index 000000000..ba0e8dad9 --- /dev/null +++ b/3751/CH4/EX4.13/Ex4_13.sce @@ -0,0 +1,45 @@ +//Fluid Systems - By - Shiv Kumar +//Chapter 4 - Pelton Turbine (Impulse Turbine) +//Example 4.13 + + clc + clear + +//Given Data:- + H=62; //Effective Head, m + N=225; //Speed of Runner, rpm + P=133.15; //Shaft Power, HP + Ku=0.45; //Speed Ratio + eta_o=86/100; //Overall Efficiency + Cv=0.98; + + +//Data Used:- + rho=1000; //Density of water, kg/m^3 + g=9.81; //Acceleration due to gravity, m/s^2 + +//Computations:- + P=P*736; //W + + Vi=Cv*sqrt(2*g*H); //m/s + u=Ku*sqrt(2*g*H); //m/s + ui=u; + uo=u; + Q=P/(rho*g*H*eta_o); //m^3/s + + d=sqrt(Q/((%pi/4)*Vi))*1000; //Diameter of Jet, mm + D=60*u/(%pi*N); //Diameter of Runner, m + //As per designing range, b=3*d to 4*d + b=3.5*d; //Width of Buckets, mm + //As per designing range, b=0.8*d to 1.2*d + T=1.2*d; //Depth of Buckets, mm + Z=round(0.5*D/(d/1000)+15); //Number of Buckets + +//Results:- + printf(" (a)Diameter of Jet, d=%.2f mm \n",d) //The answer vary due to round off error + printf(" (b) Diameter of Runner, D=%.3f m \n",D) + printf(" (c) Width of Buckets, b=%.2f mm \n",b) //The answer vary due to round off error + printf(" (d) Depth of Buckets, T=%.2f mm \n",T) //The answer vary due to round off error + printf(" (e) Number of Buckets , Z=%.f \n",Z) + + -- cgit