Heat Transfer in Forced Convection with Supercritical Fluids

概要

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The peculiarity in heat transfer with supercritical fluids is discussed with special regard to such phenomena as the singularities of the physical properties and the pseudo-boiling near the critical point. The various expressions for the turbulent diffusivities of heat and momentum, and the empirical correlations of the heat transfer coefficient for the supercritical fluids are reviewed. It is stressed that the experimental approach should be urged at present, since the details in heat transfer, e.g. the outbreak of a local degradation and a hot-spot, are hardly predicted by existing theories of transport. A few examples of the possible problems of heat transfer and hydraulics in practical flow channels are also discussed.
公益社団法人低温工学・超電導学会 (旧社団法人低温工学協会)の論文