C221 T形合流管内の高・低温流混合における乱流熱輸送(OS-6 熱流動現象の計測およびデータ解析技術II)

概要

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Turbulent thermal mixing in rectangular channels with a T-junction was investigated experimentally, which simulated the mixing region in the automobile HVAC unit. The Reynolds number and temperature of the main-channel flow were 2.5×10^4 and 12℃, respectively, and the flow velocity in the branch (60℃) was set at the same value as that of the main channel. The simultaneous measurements of velocity and temperature were conducted using LDV and cold-wire thermometer to make clear the distribution of the turbulent heat flux with a special attention to its spanwise variation. The mechanism of the turbulent thermal mixing of hot and cold flows is discussed based on the distributions of the turbulent heat flux.
社団法人日本機械学会の論文
2005-11-02