Heat and momentum transfer in gas flowing through heated tube equipped with turbulence promoters
作者： I. Ziółkowska , M. Dolata
DOI: 10.1016/0017-9310(94)90324-7
关键词: Volumetric flow rate 、 Tube diameter 、 Materials science 、 Pressure drop 、 Drop (liquid) 、 Thermodynamics 、 Turbulence 、 Momentum transfer 、 Heat transfer 、 Nusselt number
摘要: Abstract The intensification of the heat transfer between a gas stream and wall tube provided with set perforated discs used as turbulence promoters accompanying pressure drop, were investigated experimentally. diameter, geometrical parameters sets discs, flow rate, varied in individual experiments. Appropriate correlations for resistance coefficient single disc set, equations (26)–(28), Nusselt number equation (33), formulated. It was indicated that application described can reduce surface area to 70% conventional type exchanger when drop amount exchanging will be identical both apparatuses. reduction considerably larger is permissible.
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