AM06-21-004 T形合流管における高・低温流の乱流混合促進(乱流熱物質移動(1),一般講演)

概要

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The promotion and control of turbulent thermal mixing of hot and cold airflows in a T-junction with rectangular cross sections have been investigated experimentally, which simulates the HVAC unit for automobile air-conditioning system. In order to promote the turbulent thermal mixing, small jets have been blown into the main channel at the upstream edge of the T-junction in the direction of 45 degrees against the main flow. Turbulence intensity in the upper part of the thermal mixing layer can be considerably increased with these jets, and consequently the turbulent mixing of hot and cold airflows is promoted effectively. Moreover, it has been found that the degree of thermal mixing can be controlled by changing the jet velocity.
日本流体力学会の論文
2006-09-05