Mass Transfer Coefficient

Written by Jerry Ratzlaff on . Posted in Classical Mechanics

Mass transfer coefficient, abbreviated as K, a dimensionless number, is a porportional constant to the difference in the concentrations and the rate of mass transfer.

 

Mass Transfer Coefficient formula

\(\large{ K = \frac {\dot {m}_t }{A \; \Delta F_c}   }\)   

Where:

 Units English Metric
\(\large{ K }\) = mass transfer coefficient \(\large{dimensionless}\)
\(\large{ \Delta F_c }\) = driving force concentration differential \(\large{lbf}\) \(\large{N}\)
\(\large{ A }\) = effective mass transfer area \(\large{ft^2}\) \(\large{m^2}\)
\(\large{ \dot {m}_t }\) = mass transfer rate \(\large{\frac{lbm}{sec}}\) \(\large{\frac{kg}{s}}\)

 

Related Mass Transfer Coefficient formula

\(\large{ K = \frac { Sh \; D}    {l_c} }\)  (Sherwood number

Where:

\(\large{ K }\) = mass transfer coefficient

\(\large{ l_c }\) = characteristic length

\(\large{ D }\) = diffusion coefficient

\(\large{ Sh }\) = Sherwood number

 

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Tags: Coefficient Equations Mass Equations