軸対称空気噴流の傾斜衝突(実験)

概要

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The jet velocity along its centerline and the static wall pressure of an axisymmetric air jet impinging obliquely on a flat wall at an arbitrary angle are measured by a hot-wire anemometer and a static tap respectively, changing the distance (impinging height) along the centerline of jet flow between the nozzle exit and the wall surface. It is found that the height of the impingement region can be expressed as a function of the impinging height, and its territory on the wall surface is also determined as an oval figure which is depending on the impinging height and angle. According to the measured results, the distributions of jet velocity, turbulence and static pressure on the wall are all similar to each other only in the range of down stream, but in the up-stream, the similar domain becomes narrower as the impingement angle decreases.
東海大学の論文