From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 914/CH14/EX14.5/ex14_5.sce | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100755 914/CH14/EX14.5/ex14_5.sce (limited to '914/CH14/EX14.5/ex14_5.sce') diff --git a/914/CH14/EX14.5/ex14_5.sce b/914/CH14/EX14.5/ex14_5.sce new file mode 100755 index 000000000..b0f45eb05 --- /dev/null +++ b/914/CH14/EX14.5/ex14_5.sce @@ -0,0 +1,32 @@ +clc; +warning("off"); +printf("\n\n example14.5 - pg730"); +// given +T=323; //[K] - temperature +P=1; //[atm] - pressure +Dab_experimental=7.7*10^-6; //[m^2/sec] +DPM_A=1.9; // dipole moment of methyl chloride +DPM_B=1.6; // dipole moment of sulphur dioxide +Vb_A=5.06*10^-2; // liquid molar volume of methyl chloride +Vb_B=4.38*10^-2 +Tb_A=249; // normal boiling point of methyl chloride +Tb_B=263; // normal boiling point of sulphur dioxide +del_A=((1.94)*(DPM_A)^2)/(Vb_A*Tb_A); +del_B=((1.94)*(DPM_B)^2)/(Vb_B*Tb_B); +del_AB=(del_A*del_B)^(1/2); +sigma_A=(1.166*10^-9)*(((Vb_A)/(1+1.3*(del_A)^2))^(1/3)); +sigma_B=(1.166*10^-9)*(((Vb_B)/(1+1.3*(del_B)^2))^(1/3)); +etaabykb=(1.18)*(1+1.3*(del_A^2))*(Tb_A); +etabbykb=(1.18)*(1+1.3*(del_B^2))*(Tb_B); +sigma_AB=(1/2)*(sigma_A+sigma_B); +etaabbykb=(etaabykb*etabbykb)^(1/2); +Tstar=T/(etaabbykb); +sigmaDnonpolar=1.602; +sigmaDpolar=sigmaDnonpolar+(0.19*(del_AB^2))/Tstar; +patm=1; +Ma=50.488; //[kg/mole] - molecular weight of methyl chloride +Mb=64.063; //[kg/mole] - molecular weight of sulphur dioxide +D_AB=(1.8583*(10^-(27))*(((T^3)*((1/Ma)+(1/Mb)))^(1/2)))/(patm*(sigma_AB^(2))*sigmaDpolar); +printf("\n\n Dab=%em^2/sec",D_AB); +printf("\n\n The Chapman Enskog prediction is about 8 percent higher"); + -- cgit