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FULLY DEVELOPED LAMINAR FLUID FLOW AND HEAT TRANSFER IN A STREAMWISE‐PERIODIC CORRUGATED DUCT WITH CONSTANT CROSS‐SECTIONAL AREA

BIJAN FARHANIEH (Department of Thermo‐ and Fluid Dynamics, Chalmers University of Technology, S‐412 96 Göteborg, Sweden)
BENGT SUNDÉN (Department of Thermo‐ and Fluid Dynamics, Chalmers University of Technology, S‐412 96 Göteborg, Sweden)

International Journal of Numerical Methods for Heat & Fluid Flow

ISSN: 0961-5539

Article publication date: 1 May 1992

Abstract

Laminar fully developed periodic heat transfer and fluid flow characteristics in corrugated two‐dimensional ducts with constant cross‐sectional area are numerically investigated. The governing equations are solved numerically by a finite‐volume method for elliptic flows in complex geometries using colocated variables and Cartesian velocity components. The results were obtained for a uniform wall temperature for two inclination angles and three duct aspect ratios (H/L) and for Reynolds number ranging from 30 to 1200. The plot of the velocity vectors show a complex flow pattern. Unexpected high enhancement of the average Nusselt number was observed at low Reynolds number for H/L = ½ and ⅓. A moderate increase in Nusselt number was obtained as Reynolds number was increased further.

Keywords

Citation

FARHANIEH, B. and SUNDÉN, B. (1992), "FULLY DEVELOPED LAMINAR FLUID FLOW AND HEAT TRANSFER IN A STREAMWISE‐PERIODIC CORRUGATED DUCT WITH CONSTANT CROSS‐SECTIONAL AREA", International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 2 No. 5, pp. 379-390. https://doi.org/10.1108/eb017500

Publisher

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MCB UP Ltd

Copyright © 1992, MCB UP Limited