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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/EX12.2/12_2.sce | |
| 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/EX12.2/12_2.sce')
| -rwxr-xr-x | 779/CH12/EX12.2/12_2.sce | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/779/CH12/EX12.2/12_2.sce b/779/CH12/EX12.2/12_2.sce new file mode 100755 index 000000000..01285171c --- /dev/null +++ b/779/CH12/EX12.2/12_2.sce @@ -0,0 +1,26 @@ +h1 = 3159.3; s1 = 6.9917;
+h3 = 173.88; s3 = 0.5926; sfp2 = s3; hfp2 = h3;
+hfgp2 = 2403.1; sgp2 = 8.2287;
+vfp2 = 0.001008; sfgp2 = 7.6361;
+x2s = (s1-sfp2)/(sfgp2);
+h2s = hfp2+(x2s*hfgp2);
+// Part (a)
+P1 = 20e02; P2 = 0.08e02;
+h4s = vfp2*(P1-P2)+h3 ;
+Wp = h4s-h3;
+Wt = h1-h2s;
+Wnet = Wt-Wp;
+Q1 = h1-h4s;
+n_cycle = Wnet/Q1;
+disp("kJ/kg",Wnet,"Net work per kg of steam is")
+disp(n_cycle,"Cycle efficiency is")
+// Part (b)
+n_p = 0.8; n_t = 0.8;
+Wp_ = Wp/n_p;
+Wt_ = Wt*n_t;
+Wnet_ = Wt_-Wp_;
+P = 100*((Wnet-Wnet_)/Wnet) ;
+n_cycle_ = Wnet_/Q1;
+P_ = 100*((n_cycle-n_cycle_)/n_cycle);
+disp("%",P,"Percentage reduction in net work per kg of steam is")
+disp("%",P_,"Percentage reduction in cycle efficiency is")
\ No newline at end of file |