3D vortices in the wake flow behind a heated cylinder

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Abstract

The influence of a heat input on the 3D-transition of cylinder wake flow is studied at low Reynolds number. Both numerical and experimental investigations are presented the 3D-transition occurs, for Re = 85 and Ri = 1.0, as pairs of counter-rotating vortices just behind the cylinder. Furthermore, the flow topology is quite different for 'in-plume' and 'out-of-plume' plane. Likewise, a non-uniform temperature distribution is observed in the near-wake along the spanwise direction and it is associated with the pairs of counter-rotating vortices just behind the cylinder
Original languageEnglish
Pages (from-to)177-187
JournalInternational Journal of Transport Phenomena
Volume6
Issue number3
Publication statusPublished - 2004

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