1122 勾配磁場による水-強磁性微粒子分散流れからの強磁性微粒子の分離(GS-5 混相流(2),研究発表講演)

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When water-ferromagnetic particles dispersion flows in a magnetic field gradient, the ferromagnetic particles are attracted toward the direction of high magnetic field. The separation of ferromagnetic particles from water-ferromagnetic particles dispersion flow was calculated by a thermal-hydraulic computer code including a simple two-phase flow model. Calculated results shows that the separation is possible for ferromagnetic particles with diameters greater than 〜1μm. The separation of ferromagnetic particles from water-ferromagnetic particles dispersion flow was also attempted by experiments using cobalt particles with a diameter of 2μm. However, experimental results shows that improvement should be made on the measurement of particles volume fraction in the dispersion in the top and bottom region of test section.
2005-03-18