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High Temperature

, Volume 56, Issue 1, pp 149–152 | Cite as

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

  • E. P. Valueva
  • M. S. Purdin
Short Communications
  • 11 Downloads

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 qw = 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.

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References

  1. 1.
    Olayiwola, B.O. and Walzel, P., J. Heat Transfer, 2009, vol. 131, 051701.Google Scholar
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    Valueva, E.P. and Purdin, M.S., High Temp., 2017, vol. 55, no. 4, p. 622.CrossRefGoogle Scholar
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    Valueva, E.P. and Purdin, M.S., Termophys. Aeromech., 2015, vol. 22, no. 6, p. 733.ADSCrossRefGoogle Scholar
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    Valueva, E.P. and Purdin, M.S., Termophys. Aeromech., 2016, vol. 23, no. 6, p. 857.ADSCrossRefGoogle Scholar

Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  1. 1.Moscow Power Engineering Institute (National Research University)MoscowRussia

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