Unsteady evaporation of a liquid

Input(s)

S: Surface Area (cm2)\left(\mathrm{cm}^{2}\right)

\varnothing: Location of Film (cm)(\mathrm{cm})

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

t\mathrm{t}: Time (s)(\mathrm{s})

Output(s)

VaV_{a}: Rate of Evaporation (cc/s)(\mathrm{cc} / \mathrm{s})

Formula(s)

Va=S((4DABtπ)0.5)\mathrm{V}_{\mathrm{a}}=\mathrm{S} * \varnothing *\left(\left(\frac{4 * \mathrm{D}_{\mathrm{AB}} * \mathrm{t}}{\pi}\right)^{0.5}\right)

Reference(s)

Bird, R.B., Stewart, W.E. and Lightfoot, E.N. (2002). Transport Phenomena (Second Ed.). John Wiley & Sons, Chapter: 20, Page: 615.


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