サーモグラフィを用いた静電冷却場の可視化

概要

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The experimental study on the electrostatic cooling was carried out by using a thermography. The DC corona discharge was occurred between a needle and a flat plate electrode under the applied negative high voltage ranged from -7 to -50 kV and the needle-plate gap varied from 15 to 50 mm. The temperature field of the plate electrode was measured by a infrared scanner and the surface temperature distributions of the plate electrode were evaluated and visualized by a thermography system. The local heat transfer coefficients near the stagnation point were enhanced with increasing the applied voltage against the natural convective heat transfer field, while were decreased under the considerably higher voltage.
福山大学の論文