initial commit / add all books

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+clc;

+warning("off");

+printf("\n\n example14.6 - pg732");

+// given

+T=423.2;  //[K] - temperature

+P=5;  //[atm] - pressure

+Ma=4.0026;  //[kg/mole] - molecular weight of helium

+Mb=60.09121;  //[kg/mole] - molecular weight of propanol

+Dab_experimental=1.352*10^-5;  //[m^2/sec] - experimental value of diffusion coefficient of helium-proponal system

+// the diffusion volumes for carbon , hydrogen and oxygen are-

+Vc=16.5;

+Vh=1.98;

+Vo=5.48;

+V_A=3*Vc+8*Vh+Vo;

+V_B=2.88;

+patm=5;

+// using the FSG correlation

+Dab=(10^-7)*(((T^1.75)*((1/Ma)+(1/Mb))^(1/2))/(patm*((V_A)^(1/3)+(V_B)^(1/3))^2));

+printf("\n\n Dab=%em^2/sec",Dab);

+printf("\n\n The FSG correlation agrees to about 2 percent with the experimental value");