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