關鍵字查詢 | 類別:期刊論文 | | 關鍵字:Drag force on a rigid spheroidal particle in a cylinder filled with carreau fluid

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序號 學年期 教師動態
1 93/2 數學系 曾琇瑱 教授 期刊論文 發佈 Drag force on a rigid spheroidal particle in a cylinder filled with carreau fluid , [93-2] :Drag force on a rigid spheroidal particle in a cylinder filled with carreau fluid期刊論文Drag force on a rigid spheroidal particle in a cylinder filled with carreau fluidHsu, Jyh-ping; Hsieh, Y. H.; 曾琇瑱; Tseng, Shio-jenn淡江大學數學學系Wall effect; Spheroid in cylinder;Drag correction factor;Drag coefficient;Carreau fluid;Flow separationElsevierJournal of Colloid and Interface Science 284(2), pp.729-741The boundary effect on the drag acting on a rigid particle is investigated by considering a spheroid on the axis of a cylinder filled with a Carreau fluid. The result of numerical simulation reveals that the ratio (drag coefficient in Carreau fluid/drag coefficient in Newtonian fluid) has a maximum as the ratio (semiaxis in radial direction/radius of cylinder) varies. The presence of a wall has the effect of enhancing the convective motion in the rear part of a particle, and therefore, the formation of wakes. The influence of the shape of a particle on the drag force acting on it can be decreased ei
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