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Diffstat (limited to '3831/CH18/EX18.2/Ex18_2.sce')
| -rw-r--r-- | 3831/CH18/EX18.2/Ex18_2.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/3831/CH18/EX18.2/Ex18_2.sce b/3831/CH18/EX18.2/Ex18_2.sce new file mode 100644 index 000000000..0749538a1 --- /dev/null +++ b/3831/CH18/EX18.2/Ex18_2.sce @@ -0,0 +1,19 @@ +// Example 18_2
+clc;funcprot(0);
+// Given data
+T=273;// K
+p=0.113;// MPa
+M=20.183;// kg/kg mole
+N_o=6.022*10^26;// molecules/kgmole
+k=1.380*10^-23;// J/(molecules.K)
+
+
+// Calculation
+m=M/N_o;// kg/molecule
+V_rms=((3*k*T)/m)^(1/2);// m/s
+r=1.3*10^-10;// The radius of the neon molecule in m
+sigma=4*%pi*r^2;// The collision cross-section in m^2
+NbyV=(p*10^6)/(k*T);// molecules/m^3
+F=sigma*V_rms*NbyV*(8/(3*%pi))^(1/2);// The collision frequency in collisions/s
+lambda=1/(NbyV*sigma);// The molecular mean free path in m
+printf("\nThe collision frequency,F=%1.2e collisions/s \nThe molecular mean free path,lambda=%1.2e m",F,lambda);
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