WIT Press


Large Eddy Simulation Of Turbulent Flow And Heat Transfer In Compact Heat Exchangers

Price

Free (open access)

Paper DOI

10.2495/HT000441

Volume

27

Pages

10

Published

2000

Size

355 kb

Author(s)

P. Tochon, J.F. Fourmigue, P. Mercier & B. Thonon

Abstract

Compact Heat Exchangers are often used for cryogenic, air cooling and automotive systems. Indeed, they allow to transfer high amount of heat while keeping low volume and weight. The design of new geometries involves precise knowledge of local phenomena such as momentum and energy transfer through turbulence. Since few predictive models issued from experiences are available and their accuracy limited, numerical simulation is more and more used. However, because the flow is dominated by swirl, separation, recirculation and reattachment, and unsteady laminar or low Reynolds turbulent flows are encountered, the precise simulation of the non-stationary phenomena is at the moment quite complex. The objective of this paper is to contribute to the determination of turbulent flow i

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