Natural convection flow due to a heat source in a vertical channel

Natural convection flow due to a heat source in a vertical channel

An analysis is presented of the laminar natural convection flow due to a localized heat source on the centerline of a long vertical channel or pipe whose walls are kept at a constant temperature. Stationary solutions are obtained for infinitely long and finite length channels, the asymptotic limit o...

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Veröffentlicht in:International journal of heat and mass transfer 2002-05, Vol.45 (10), p.2207-2212
Hauptverfasser: Higuera, F.J., Ryazantsev, Yu.S.
Format: Artikel
Sprache:eng
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Convection and heat transfer
Exact sciences and technology
Fluid dynamics
Fundamental areas of phenomenology (including applications)
Physics
Turbulent flows, convection, and heat transfer
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container_title International journal of heat and mass transfer
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creator Higuera, F.J.
Ryazantsev, Yu.S.
description An analysis is presented of the laminar natural convection flow due to a localized heat source on the centerline of a long vertical channel or pipe whose walls are kept at a constant temperature. Stationary solutions are obtained for infinitely long and finite length channels, the asymptotic limit of infinite Rayleigh numbers is discussed, and an optimal height of the channel is found leading to maximum mass flux and minimum temperature for a given heat release rate.
doi_str_mv 10.1016/S0017-9310(01)00301-5
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subjects Convection and heat transfer
Exact sciences and technology
Fluid dynamics
Fundamental areas of phenomenology (including applications)
Physics
Turbulent flows, convection, and heat transfer
title Natural convection flow due to a heat source in a vertical channel
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