1208 鉛直矩形流体槽内の自然対流 : 対称伝熱面の場合(GS-6 自然対流)

概要

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Natural convection in a vertical rectangular enclosure was experimentally and numerically studied. Two vertical walls facing each other acts as heat transfer surfaces subject to heating and cooling thermal conditions, in which lower one third of the total height of the surface is heated, higher one third of the surface is cooled, and the other part and other walls are adiabatic. Silicon oil was used as a working fluid and thermo-sensitive liquid crystal powders were used to visualize temperature and velocity fields. The neural network was applied to translate color images of crystal powders into temperature profiles. Variable parameters are distance D between two heat transfer surfaces and temperature difference ΔT between heated and cooled zones. By changing both D and ΔT, three flow regimes were found in experiments and numerical calculations as follows; quasi-two-dimensional steady, three-dimensional steady and unsteady flows.
一般社団法人日本機械学会の論文
2001-03-16