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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 /551/CH12/EX12.5/5.sce | |
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initial commit / add all books
Diffstat (limited to '551/CH12/EX12.5/5.sce')
| -rwxr-xr-x | 551/CH12/EX12.5/5.sce | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/551/CH12/EX12.5/5.sce b/551/CH12/EX12.5/5.sce new file mode 100755 index 000000000..387aa425e --- /dev/null +++ b/551/CH12/EX12.5/5.sce @@ -0,0 +1,39 @@ +clc
+p1=28; //bar
+p2=0.06; //bar
+
+//At 28 bar
+h1=2802; //kJ/kg
+s1=6.2104; //kJ/kg K
+
+//At 0.06 bar
+h_f2=151.5; //kJ/kg
+h_f3=h_f2;
+h_fg2=2415.9; //kJ/kg
+s_f2=0.521; //kJ/kg K
+s_fg2=7.809; //kJ/kg K
+v_f=0.001; //m^3/kg
+
+x2=(s1-s_f2)/s_fg2;
+
+h2=h_f2 + x2*h_fg2;
+
+W_turbine=h1-h2;
+W_pump=v_f*(p1-p2)*100; //kJ/kg
+
+h_f4=h_f2+W_pump;
+Q1=h1-h_f4;
+W_net=W_turbine - W_pump;
+
+n_cycle=W_net/Q1;
+disp("cyclic efficiency =")
+disp(n_cycle)
+
+ratio=W_net/W_turbine; //Work ratio
+disp("Work ratio =")
+disp(ratio)
+
+S=3600/W_net; //Specific steam combustion
+disp("Specific steam combustion=")
+disp(S)
+disp("kg/kWh")
\ No newline at end of file |