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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 /2870/CH8/EX8.11 | |
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initial commit / add all books
Diffstat (limited to '2870/CH8/EX8.11')
| -rwxr-xr-x | 2870/CH8/EX8.11/Ex8_11.sce | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/2870/CH8/EX8.11/Ex8_11.sce b/2870/CH8/EX8.11/Ex8_11.sce new file mode 100755 index 000000000..7497d0ddc --- /dev/null +++ b/2870/CH8/EX8.11/Ex8_11.sce @@ -0,0 +1,37 @@ +clc;clear;
+//Example 8.11
+
+//given data
+m=0.05;
+P1=1000;
+T1=300+273;//in K
+P2=200;
+T2=150+273;//in K
+P0=100;
+T0=25+273;//in K
+Qout=2;
+
+//from Table A-6 & A-4
+u1=2793.7;
+v1=0.25799;
+s1=7.1246;
+u2=2577.1;
+v2=0.95986;
+s2=7.2810;
+u0=104.83;
+v0=0.00103;
+s0=0.3672;
+
+//calculations
+X1=m*(u1-u0-T0*(s1-s0)+P0*(v1-v0));
+X2=m*(u2-u0-T0*(s2-s0)+P0*(v2-v0));
+disp(X1,'exergy of intial state in kJ');
+disp(X2,'exergy of final state in kJ');
+dX=X2-X1;
+disp(dX,'exergy change in system in kJ');
+Wout=-Qout-m*(u2-u1);
+Wu=Wout-P0*m*(v2-v1);
+Xdestroyed=X1-X2-Wu;
+disp(Xdestroyed,'the exergy destroyed in kJ');
+nII=Wu/(X1-X2);
+disp(nII,'second law efficiency of this process')
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