Analysis of thermal dispersion in an array of parallel plates with fully-developed laminar flow

被引：7

作者：

Xu, Jiaying ^{[1
]}

Lu, Tian-Jian ^{[2
]}

Hodson, Howard P. ^{[1
]}

Fleck, Norman A. ^{[1
]}

机构：

[1] Univ Cambridge, Dept Engn, Cambridge CB2 1PZ, England

[2] Xi An Jiao Tong Univ, Sch Aerosp, SV Lab, Xian 710049, Shaanxi Prov, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW | 2010年 / 31卷 / 01期

基金：

英国工程与自然科学研究理事会;

关键词：

Thermal dispersion; Parallel-plate array; Fully-developed laminar flow; Peclet number; HEAT-TRANSFER; TRANSPORT-EQUATIONS; MULTIPHASE SYSTEMS; POROUS-MEDIA; MODEL;

D O I：

10.1016/j.ijheatfluidflow.2009.10.003

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The effect of thermal dispersion upon heat transfer across a periodic array of parallel plates is studied. Three basic heat transfer problems are addressed, each for steady, fully-developed, laminar fluid flow: (a) transient heat transfer due to an arbitrary initial temperature distribution within the fluid, (b) steady heat transfer with constant heat flux on all plate surfaces, and (c) steady heat transfer with constant wall temperatures. For problems (a) and (b), the effective thermal dispersivity scales with the Peclet number Pe according to 1 + CPe(2), where the coefficient C is independent of Pe. For problem (c) the coefficient C is a function of Pe. Crown Copyright (C) 2009 Published by Elsevier Inc. All rights reserved.

引用

页码：57 / 69

页数：13

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