Viscous Liquid Film Flows Over A Vertical Corrugated Surface.
Calculation Of Heat And Mass Transfer
Author(s)
Yu. Trifonov
Abstract
Viscous liquid film flows over a vertical
corrugated surface. Calculation of heat and
mass transfer
Yu. Trifonov
Institute ofThermophysics, Siberian Branch of Russian Academy of
Sciences, Russia
Abstract
The purpose of the present paper is to study hydrodynamics and heat-mass
transfer of the film flow over corrugated surfaces. Viscosity, inertia and surface
tension forces were taken into account. The calculations have been carried out
on base of Navier-Stokes equations. Amplitude of corrugations was comparable
with the Nusselt's film thickness. As a result it has been obtained that, for
example, at small Reynolds numbers area of "thick" film forms in the surface
cavity and area of "thin" film forms on the top. Stagnation zones are found and
their transformation with increasing of Reynolds number is investigated.
Influence of the micro-corrugations on both heat transfer from the wall and
mass transfer through the free surface have been investigated.
1 Introduction
Theoretical s
Keywords
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