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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/EX4.8 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3733/CH4/EX4.8')
| -rw-r--r-- | 3733/CH4/EX4.8/Ex4_8.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/3733/CH4/EX4.8/Ex4_8.sce b/3733/CH4/EX4.8/Ex4_8.sce new file mode 100644 index 000000000..a67bc9df0 --- /dev/null +++ b/3733/CH4/EX4.8/Ex4_8.sce @@ -0,0 +1,21 @@ +//Example 4_8
+clc;funcprot(0);
+//Given data
+Q=350;// m^3/sec
+H=30;// m
+n_t=0.88;//// The turbine efficiency
+f=50;// The frequency of generation in cycles/sec
+no_p=24;// Number of poles used
+N_sf=300;// Specific speed
+N_sk=800;// Specific speed
+
+//Calculation
+N=(120*f)/(no_p);// r.p.m
+w=1000*9.81;
+P_t=(w*Q*H*n_t)/(1000);// kW
+P=((N_sf*H^(5/4))/N)^2;// kW
+f_n=(P_t/P);// Number of francis turbine required
+P=((N_sk*H^(5/4))/N)^2;// kW
+k_n=(P_t/P);// Number of kaplan turbine required
+printf('\n Number of francis turbines=%0.0f \n Number of kaplan turbine used=%0.0f',f_n,k_n);
+// The answer vary due to round off error
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