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허진석(Jin-Seok Heo),채용배(Yong-Bae Chae),이상호(Sang-Ho Lee) 대한설비공학회 2016 대한설비공학회 학술발표대회논문집 Vol.2016 No.11
Fluid flow around Manganese nodule mining device in Deep-sea is experimentally investigated using a scale model. The size of miniaturized device is 1/40 times smaller, and similarity principle is employed to analyze the flow characteristics. The model is made by 3D printing method called for MJP(Multi Jetting Printing, Polyjet), and flow velocity distribution is measured. Complicated flow field occurs from the rear of the mining device, and the velocity variation rate decreases with downstream distance in flow direction. Comparative analysis for various operating conditions with the behavior of Manganese nodules is necessary afterward.
임성진(Sung Jin Lim),채용배(Yong Bae Chae),이상호(Sang Ho Lee),정신택(Shin Taek Jeong),조홍연(Hong Yeon Cho) 대한기계학회 2014 대한기계학회 춘추학술대회 Vol.2014 No.11
Numerical investigations have been carried out to analyze flow field characteristics around manganese nodule mining device in deep sea. Flow field is largely affected by moving mining device. With the operation of the mining device complicated flow variation remarkably generated from the rear of mining device depends on moving speed of the mining device. Turbulent kinetic energy behind the mining device gradually increases with the velocity of mining device. The nodule particles behavior is also predicted.