Heat Transfer in the Slip Flow with Axial Heat Conduction in a Microchannel with Walls Having a Constant Temperature

被引：4

作者：

Haddout, Y. ^{[1
]}

Oubarra, A. ^{[1
]}

Lahjomri, J. ^{[2
]}

机构：

[1] Ibn Zohr Univ, Polydisciplinary Fac Ouarzazate, Res Team ERMAM, Box 638, Ouarzazate, Morocco

[2] Hassan II Univ, Fac Sci Ain Chock, Lab Mech, Casablanca 20100, Morocco

来源：

JOURNAL OF ENGINEERING PHYSICS AND THERMOPHYSICS | 2020年 / 93卷 / 03期

关键词：

heat transfer; forced convection; slip flow; axial heat conduction; rarefaction; self-adjoint formalism; EXTENDED GRAETZ PROBLEM; PARALLEL-PLATE MICROCHANNEL; THERMAL ENTRANCE REGION; VISCOUS DISSIPATION; MICROTUBES; MICROPIPE; NUMBER; FLUX;

D O I：

10.1007/s10891-020-02158-9

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The problem on thermally developed laminar slip gas flow with axial heat conduction in a microchannel (a micropipe or a parallel-plate microchannel) with walls having a constant temperature was solved analytically with the use of the self-adjoint formalism method involving the rearrangement of the energy equation for this flow into a system of two partial differential equations of the first order. The temperature distribution and Nusselt numbers in such a flow have been determined on the assumption that it is hydrodynamically fully developed in the region of the thermal entrance of a microchannel. The data obtained show that the heat transfer in this flow is substantially dependent on the axial heat conduction in it and its rarefaction.

引用

页码：605 / 616

页数：12

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