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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/CH9/EX9.20/20.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 '551/CH9/EX9.20/20.sce')
| -rwxr-xr-x | 551/CH9/EX9.20/20.sce | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/551/CH9/EX9.20/20.sce b/551/CH9/EX9.20/20.sce new file mode 100755 index 000000000..b5c900bd5 --- /dev/null +++ b/551/CH9/EX9.20/20.sce @@ -0,0 +1,26 @@ +clc
+
+cv_O2=0.39; //kJ/kg K
+cv_N2=0.446; //kJ/kg K
+n_O2=1;
+n_N2=2;
+M_O2=32;
+M_N2=28;
+m_O2=32; //kg
+m_N2=2*28; //kg
+T_O2=293; //K
+T_N2=301; //K
+R0=8.314;
+p_O2=2.5*10^5; //Pa
+p_N2=1.5*10^5; //Pa
+
+T2=(m_O2*cv_O2*T_O2 + m_N2*cv_N2*T_N2)/(m_O2*cv_O2 + m_N2*cv_N2);
+
+V_O2=n_O2*R0*10^5*T_O2/p_O2;
+V_N2=n_N2*R0*10^5*T_N2/p_N2;
+V=V_O2+V_N2;
+
+dS=m_O2*[cv_O2*log(T2/T_O2) + R0/M_O2*log(V/V_O2)] + m_N2*[cv_N2*log(T2/T_N2) + R0/M_N2*log(V/V_N2)];
+disp("dS=")
+disp(dS)
+disp("kJ")
\ No newline at end of file |