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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /2705/CH13/EX13.3 | |
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initial commit / add all books
Diffstat (limited to '2705/CH13/EX13.3')
| -rwxr-xr-x | 2705/CH13/EX13.3/Ex13_3.sce | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/2705/CH13/EX13.3/Ex13_3.sce b/2705/CH13/EX13.3/Ex13_3.sce new file mode 100755 index 000000000..511e4e183 --- /dev/null +++ b/2705/CH13/EX13.3/Ex13_3.sce @@ -0,0 +1,28 @@ +clear;
+clc;
+disp('Example 13.3');
+
+// aim : To determine
+// (a) the power output of the turbine
+// (b) the diagram efficiency
+
+// given values
+U = 150;// mean blade speed, [m/s]
+Cai1 = 675;// nozzle speed, [m/s]
+na = 20;// nozzle angle, [degree]
+m_dot = 4.5;// steam flow rate, [kg/s]
+
+// solution
+// from Fig. 13.15(diagram 13.3)
+Cw1 = 915;// [m/s]
+Cw2 = 280;// [m/s]
+
+// (a)
+P = m_dot*U*(Cw1+Cw2);// power of turbine,[W]
+mprintf('\n (a) The power of turbine is = %f kW\n',P*10^-3);
+
+// (b)
+De = 2*U*(Cw1+Cw2)/Cai1^2;// diagram efficiency
+mprintf('\n (b) The diagram efficiency is = %f percent\n',De*100);
+
+// End
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