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Numerical studies of simultaneously developing laminar flow and heat transfer in microtubes with thick wall and constant outside wall temperature

Abstract : The effects of wall axial heat conduction in a conjugate heat transfer problem in simultaneously developing laminar flow and heat transfer in straight thick wall of circular tube with constant outside wall temperature are numerically investigated. The results show that the heat transfer process is most sensitive to wall-to-fluid conductivity ratio ksf, and when ksf < 25 the increasing tube thickness and the decreasing ksf could make the inner wall surface approaching the uniform heat flux condition. It turns out that the basic function of the wall axial heat conduction for the cases studied is to unify the inner wall surface heat flux.
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https://hal-upec-upem.archives-ouvertes.fr/hal-00750529
Contributor : Guy Lauriat <>
Submitted on : Saturday, November 10, 2012 - 5:40:21 PM
Last modification on : Wednesday, June 10, 2020 - 10:00:04 AM

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S.X. Zhang, Y.L. He, Guy Lauriat, W.Q. Tao. Numerical studies of simultaneously developing laminar flow and heat transfer in microtubes with thick wall and constant outside wall temperature. International Journal of Heat and Mass Transfer, Elsevier, 2010, 53 (-), pp.3977-3989. ⟨10.1016/j.ijheatmasstransfer.2010.05.017⟩. ⟨hal-00750529⟩

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