An Investigation of Heat Transfer for a Pulsating Laminar Flow in Rectangular Channels with a Boundary Condition of the Second Kind

An Investigation of Heat Transfer for a Pulsating Laminar Flow in Rectangular Channels with a... A finite difference method was used for modeling heat transfer in a pulsating laminar flow in rectangular channels with different aspect ratios for the wall boundary condition q w = const. The specific frequency ranges were found where the channel perimeter-averaged and the oscillation period-averaged Nusselt number varies in a different manner depending on the channel length and the channel aspect ratio. The predictions for the first and second type boundary conditions are compared. In both cases, there is a frequency range where the average Nusselt number can increase considerably over its steady-state value. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png High Temperature Springer Journals

An Investigation of Heat Transfer for a Pulsating Laminar Flow in Rectangular Channels with a Boundary Condition of the Second Kind

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Publisher
Pleiades Publishing
Copyright
Copyright © 2018 by Pleiades Publishing, Ltd.
Subject
Physics; Atoms and Molecules in Strong Fields, Laser Matter Interaction; Materials Science, general; Classical and Continuum Physics; Physical Chemistry; Industrial Chemistry/Chemical Engineering
ISSN
0018-151X
eISSN
1608-3156
D.O.I.
10.1134/S0018151X18010200
Publisher site
See Article on Publisher Site

Abstract

A finite difference method was used for modeling heat transfer in a pulsating laminar flow in rectangular channels with different aspect ratios for the wall boundary condition q w = const. The specific frequency ranges were found where the channel perimeter-averaged and the oscillation period-averaged Nusselt number varies in a different manner depending on the channel length and the channel aspect ratio. The predictions for the first and second type boundary conditions are compared. In both cases, there is a frequency range where the average Nusselt number can increase considerably over its steady-state value.

Journal

High TemperatureSpringer Journals

Published: Mar 14, 2018

References

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