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Communication Dans Un Congrès Année : 2021

Experimental study of Natural convection flow in a cubic enclosure with a partially heated inner block

Résumé

In many industrial contexts, buoyancy driven flows are the only cooling strategy in case of breakdown of the forced convection cooling system. In order to study those flows in a simplified con figuration, a buoyancy-driven flow is generated inside a cubic enclosure by a partially heated block (Ra = 1.4E9). The flow is studied experimentally in the vertical median plane, in the part of the enclosure where the flow is generated i.e. close to the heated side of the block. Velocity elds, mean pro les and RMS statistics are analyzed. The results show the presence of boundary layer ows with a central zone nearly at rest and strati ed. RMS velocities are intensi tied with elevation.
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Dates et versions

hal-03469756 , version 1 (07-12-2021)

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  • HAL Id : hal-03469756 , version 1

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Alexandre Weppe, Florian Moreau, Didier Saury. Experimental study of Natural convection flow in a cubic enclosure with a partially heated inner block. EUROTHERM2020 - 8th European Thermal Sciences Conference, Sep 2021, Lisbonne, Portugal. ⟨hal-03469756⟩
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