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 --- 3733/CH4/EX4.9/Ex4_9.sce | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 3733/CH4/EX4.9/Ex4_9.sce (limited to '3733/CH4/EX4.9') diff --git a/3733/CH4/EX4.9/Ex4_9.sce b/3733/CH4/EX4.9/Ex4_9.sce new file mode 100644 index 000000000..821e44c88 --- /dev/null +++ b/3733/CH4/EX4.9/Ex4_9.sce @@ -0,0 +1,22 @@ +//Example 4_9 +clc;funcprot(0); +//Given data +Q=30;//m^/sec +H=7.5;// m +n_t=0.85; +N=50;///r.p.m +Sr=0.85;//Speed ratio +g=9.81;//The acceleration due to gravity in m/s^2 + +//Calculation +w=1000*9.81;// N +P_t=(w*Q*H*n_t)/1000;// kW +N_s=(N*sqrt(P_t))/(H)^(5/4);//Specific speed +if(N_s>=174) + printf('\n (a)As N_s=340,two turbine units can be used.\n (b)The runner is of Francis type.'); +else + printf('\n Wrong'); +end +D=Sr*60*(sqrt(2*g*H))*(1/(%pi*N));//The diameter of the runner in m +printf('\n (c)The diameter of the runner,D=%0.2f m',D); +// The answer vary due to round off error -- cgit