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Diffstat (limited to '3751/CH4/EX4.15/Ex4_15.sce')
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diff --git a/3751/CH4/EX4.15/Ex4_15.sce b/3751/CH4/EX4.15/Ex4_15.sce new file mode 100644 index 000000000..2ce45324a --- /dev/null +++ b/3751/CH4/EX4.15/Ex4_15.sce @@ -0,0 +1,35 @@ +//Fluid Systems - By - Shiv Kumar +//Chapter 4 - Pelton Turbine (Impulse Turbine) +//Example 4.15 + + clc + clear + +//Given Data:- + H=120; //Head, m + d=74; //Diameter of Jet, mm + Q=200; //Discharge, litres/s + P=202.766; //Shaft Power, kW + P_mr=3.2; //Power lost in mechanical resistance, kW + + +//Data Used:- + rho=1000; //Density of water, kg/m^3 + g=9.81; //Acceleration due to gravity, m/s^2 + +//Computations:- + Q=Q/1000; //m^3/s + d=d/1000; //m + P=P*1000; //W + P_mr=P_mr*1000; //W + + Vi=Q/((%pi/4)*d^2); //m/s + P_n=(rho*Q*g*H-rho*Q*Vi^2/2)/1000; //Power lost in Nozzle, kW + P_hr=(rho*Q*g*H-(P+P_n*1000+P_mr))/1000; //Power lost due to hydraulic resistance in Runner, kW + + +//Results:- + printf("(a) Power lost in Nozzle=%.3f kW\n",P_n) //The answer vary due to round off error + printf(" (b)Power lost due to Hydraulic Resistance in Runner =%.2f kW\n",P_hr) //The answer vary due to round off error + + |