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Início - ICHMT DL Ano atual Arquivos Comitê executivo Centro Internacional para Transferência de Calor e Massa

5.3 An Experimental Investigation of Natural Convection Heat Transfer from Downward-facing Surfaces in Sodium for Fast Reactor Internal Core Catchers

DOI: 10.1615/ICHMT.1982.AdvCourHeatTransfNucReactSaf.550
pages 851-865

N. W. Davies
Risley Nuclear Power Development Laboratories, United Kingdom Atomic Energy Authority (Northern Division), Risley, Warrington WA3 6AT, Cheshire, England

N. Sheriff
Risley Nuclear Power Development Laboratories, United Kingdom Atomic Energy Authority (Northern Division), Risley, Warrington WA3 6AT, Cheshire, England

Resumo

The design of internal core debris catchers for sodium-cooled fast reactors requires a knowledge of the natural convection heat transfer coefficient from a downward-facing surface. This paper describes the Sodium Natural Convection (SONAC) Experiment for studying natural convection to sodium from a flat heater plate which can be inclined from the vertical to the horizontal with the heat flux in a downward direction. The experiment consists of an electrically heated plate, 316mm long and 300mm wide, immersed in a sodium pool, 690mm long, 300mm wide and 600mm deep; the latter is cooled externally by a highly rated air cooler. Experiments are reported for a uniform heat flux from the heater plate in a horizontal position and also inclined at 15 degrees to the horizontal.

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