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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 /779/CH12/EX12.12 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '779/CH12/EX12.12')
| -rwxr-xr-x | 779/CH12/EX12.12/12_12.sce | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/779/CH12/EX12.12/12_12.sce b/779/CH12/EX12.12/12_12.sce new file mode 100755 index 000000000..a229a6678 --- /dev/null +++ b/779/CH12/EX12.12/12_12.sce @@ -0,0 +1,32 @@ +// From table and graph
+h1 = 2792.2;
+h4 = 122.96;
+hb = 254.88;
+hc = 29.98;
+ha = 355.98;
+hd = hc;
+h2 = 1949.27;
+//
+m = (h1-h4)/(hb-hc); // Amount of mercury circulating
+Q1t = m*(ha-hd);
+W1t = m*(ha-hb) + (h1-h2);
+Nov = W1t/Q1t ;
+disp("%",Nov*100,"Overall efficiency of the cycle")
+S = 50000; // Stem flow rate through turbine in kg/h
+wm = S*m;
+disp("kg/h",wm,"Flow through the mercury turbine is")
+Wt = W1t*S/3600;
+disp("kW",Wt,"Useful work done in binary vapour cycle is")
+nm = 0.85; // Internal efficiency of mercury turbine
+ns = 0.87; // Internal efficiency of steam turbine
+WTm = nm*(ha-hb);
+hb_ = ha-WTm; // hb'
+m_ = (h1-h4)/(hb_-hc); // m'
+h1_ = 3037.3; // h'
+Q1t = m_*(ha-hd)+(h1_-h1);
+x2_ = (6.9160-0.4226)/(8.47-0.4226);
+h2_ = 121+(0.806*2432.9);
+WTst = ns*(h1_-h2_);
+WTt = m_*(ha-hb_)+WTst;
+Nov = WTt/Q1t;
+disp("%",Nov*100,"Overall efficiency is")
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