Diffusion Into a falling liquid film (gas absorption)

Input(s)

c: Concetration (mol/cm3)\left(\mathrm{mol} / \mathrm{cm}^{3}\right)

DABD_{A B}: Diffusivity (cm2/s)\left(\mathrm{cm}^{2} / \mathrm{s}\right)

vmaxv_{\max }: Velocity of Dropping Particle (cm/s)(\mathrm{cm} / \mathrm{s})

z: Height of Column (cm)(\mathrm{cm})

Output(s)

N\mathrm{N}: Molar Flux (mol/cm2 s)\left(\mathrm{mol} / \mathrm{cm}^{2} \mathrm{~s}\right)

Formula(s)

N=c(DABvmaxπz)0.5\mathrm{N}=\mathrm{c} *\left(\frac{\mathrm{D}_{\mathrm{AB}} * \mathrm{v}_{\max }}{\pi * \mathrm{z}}\right)^{0.5}

Reference(s)

Bird, R.B., Stewart, W.E. and Lightfoot, E.N. (2002). Transport Phenomena (Second Ed.). John Wiley & Sons, Chapter: 18, Page: 560 .


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