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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3733/CH4/EX4.4/Ex4_4.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3733/CH4/EX4.4/Ex4_4.sce')
| -rw-r--r-- | 3733/CH4/EX4.4/Ex4_4.sce | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/3733/CH4/EX4.4/Ex4_4.sce b/3733/CH4/EX4.4/Ex4_4.sce new file mode 100644 index 000000000..27cabd01c --- /dev/null +++ b/3733/CH4/EX4.4/Ex4_4.sce @@ -0,0 +1,23 @@ +//Example 4_4
+clc;funcprot(0);
+//Given data
+P=40000;//kW
+N=500;//r.p.m
+H=240;// m
+h=30;// m
+SG=1.1;// Specific gravity of water
+q=150;// litres/sec
+q=q*SG;// kg/sec
+n_m=0.88;// The over all efficiency
+
+//Calculation
+w=1000*9.81;// N
+p=(q*w*h*n_m)/(1000*1000);// kW
+//d_r=D/d;
+d_r=sqrt(P/p)*(h/H)^0.75;
+n=N*d_r*sqrt(h/H);// r.p.m
+n_s=(n*sqrt(p))/h^(5/4);
+N_s=(N*sqrt(P))/(H)^(5/4);
+printf('\n(a)The design speed for a turbie,n=%0.0f r.p.m',n);
+printf('\nThe runner is of Francis type');
+// The answer provided in the textbook is wrong
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