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Unformatted text preview: dimensional diffusion, steady state condition, axial symmetry, the gas is insoluble and no convection effects. The fundamental diffusion equation is : NA = ( D AB *P )* ( P A1- P A2 ) / ( R * T * P B,lm * h) (1) ) /( ln( ) / ( 2 / A A L AB P P P RT P sM D-= eq. (7) D AB B A AB P M M T D + = 2 2 / 1 2 / 3 / ) / 1 / 1 ( 001858 . eq.(8) 2 3 / 1 3 / 1 2 / 1 75 . 1 ] ) ( ) [( / ) / 1 / 1 ( 001 . B A B A AB v v P M M T D + + = Procedure: The water bath was prepared and its temperature was adjusted at 45 o C, then the dry air was flown over the tubes at 720 L/Min. The water balance was adjusted and the pressure and the temperature were recorded. The values of ( h) of each tube were recorded. The first values of ( h ) were recorded at 8:00, then another four values of ( h) were recorded at every hour by the use of the traveling microscope ....
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- Fall '09