気泡上昇を伴う円筒容器内の流れに関する研究
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概要
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A flow in a cylinder tank is the flow that even fisheries engineering is seen in as well as chemicalengineering. The object of this study is the flow in a rearing tank with regard to fisheries engineering.Recently, the cultivation of high efficiency has been required as well as fishery to save resources in fishery.Marine fish larvae are fragile against physical stress. However, few studies have been conducted toevaluate the flow field in a rearing tank, which is assumed to provide a high degree of physical stress tomarine fish larvae. Therefore, I attempt to quantify and visualize the flow field by aeration in the rearingtank with hydrodynamics approach. The first step is flow visualization. Flow visualization has carriedout to grasp flow pattern in rearing tank. When the ratio depth to diameter H/D exceeded 0.59,flowpattern in rearing tank was transrated, regardless of aerating rate.
- 2009-12-01