光圧マイクロローターの羽根枚数が混合効率に与える影響(流体工学,流体機械)

概要

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Mixing performance of optical micro rotors with 3, 4 and 5 paddles has been studied by computational simulations. First, the relation between laser power and optical torque acting on the rotors is analyzed. Second, fluid torque which consists of pressure and sheer stress acting on the rotors, and mixing rate of two kinds of fluids are calculated by solving the three dimensional Navier-Stokes equations. It is found that the optical torque caused by a laser beam is proportional to laser power and paddle number, that the fluid torque is proportional to the rotation speed of the rotor and increases with the paddle number, and that 3-paddle rotor shows the best mixing performance for fixed laser power among these three rotors.
一般社団法人日本機械学会の論文
2007-02-25