Af. Flores, ASYMPTOTIC APPROACH FOR MASS-TRANSFER IN A STEADY LAMINAR NEWTONIAN FLOW FOR ESTIMATING THE AQUEOUS LAYER PERMEABILITY, Chemical Engineering Science, 53(4), 1998, pp. 721-726
In this report an asymptotic approach is developed for estimating the
aqueous layer permeability in a perfused rat intestine experiment. The
analysis is based on the technique presented by Gottifredi and Flores
(1985) for studying the heat transfer rate between a flowing non-Newt
onian fluid and the walls of a duct. The aqueous layer permeability is
expressed as a series solution of the Graetz number. Our results are
compared with previous estimates presented in the recent literature an
d the agreement is excellent in the low-Graetz number region. (C) 1998
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