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

概要

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Natural convection in the vertical rectangular enclosure in which one-third upward wall cooled, one-third downward wall heated and middle area between heat transfer walls was adiabatic was researched. In this middle region for adiabatic area, the complicated flow patterns were occurred by a flow conflict and flow interference. Therefore a narrow channel and a wide channel were used for test section to observe the influence of temperature difference and channel figure. And thermo-sensitive liquid crystal was suspended the working fluid and made use of visualized the temperature profiles. The flow in a narrow channel was observed 2-dimentional circulatory vortexes flow. By contrast in a wide channel, the steady flows become with 3-dimentional flow which figured of 8. And also 3-dimensional natural convection was numerically calculated by finite difference method to compare with the experimental results.
一般社団法人日本機械学会の論文
2000-03-16