Heat transfer in laminar flow in a concentric annulus with peripherally varying heat transfer

Buyruk, E. and Barrow, H. and Owen, I. (1999) Heat transfer in laminar flow in a concentric annulus with peripherally varying heat transfer. International Journal of Heat and Mass Transfer, 42 (3). pp. 487-496. ISSN 0017-9310

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Item Type:Article
Item Status:Live Archive

Abstract

A theoretical analysis of heat transfer in fully-developed laminar flow in a concentric annulus with peripherally varying and axially constant heat flux has been made. To determine the temperature, superposition of the temperature solutions for the average axisymmetric heat-flux component and the perturbation heat-flux component (the boundary integral of which is zero) have been used. The axisymmetric temperature solution is already known, and the perturbation temperature solution has been obtained numerically using a point-matching method. A number of examples are presented to demonstrate the method, and to show typical wall temperature and heat transfer coefficient distributions around the boundary of the duct. The use of the average heat transfer coefficient in the case of peripherally varying boundary conditions has been critically examined.

Keywords:annular flow, boundary conditions, heat transfer, laminar flow
Subjects:H Engineering > H100 General Engineering
H Engineering > H141 Fluid Mechanics
Divisions:College of Science > School of Engineering
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ID Code:18273
Deposited On:12 Aug 2015 15:51

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