管内マルチ噴流の混合特性に及ぼす旋回と浮力の効果(熱工学,内燃機関,動力など)

概要

論文の詳細を見る
Effects of swirl motion and buoyancy force on the mixing performance of a confined multiple jet mounted flush with a baffle plate in a small chamber were numerically investigated under laminar flow conditions. The swirl motion was induced by circumferentially-inclined jets surrounding the central jet. The buoyancy force was applied to the multiple jet by changing the operating direction of the gravity against the axis of the chamber. In the swirl flow cases, the reverse flow formed downstream of the baffle plate was restrained gradually with an increase in swirl number, which incurs the deterioration of the mixing performance in comparison to the non-swirl case. In the buoyancy-accompanied flow cases, asymmetric angle between the directions of the gravity force and the central jet led to poor mixing performance. This trend was more noticeable in the compound flow case of the swirl motion and the buoyancy force.
社団法人日本機械学会の論文
2006-10-25