Fundamental Investigation of Charge Injection Type of Electrostatic Oil Filter (Effects of Mechanical Factors on Filtration Speed)
This paper examines the effects of mechanical factors on the filtration speed of a charge injection type of electrostatic oil filter that has been proposed by Yanada and his coworkers. Filtration experiments using many types of oil have demonstrated that the filtration speed can be increased to a great or some degree by injecting charges into the oils. The aim of this investigation is to find out an optimal configuration of the emitter electrode as well as appropriate operating conditions that can enhance the filtration speed under practical limitations. The effects of the spacing between the emitter and smooth electrodes, the number of the projections, the applied voltage and the oil temperature on the filtration speed are examined using a simple filter model. In addition to the filtration experiments, to be helpful in discussing the relation between the filtration speed and the mechanical factors, the motion of the particles between the electrodes is observed using a charge coupled device (CCD) camera and is analyzed experimentally using a PIV or PTV technique. The experiments make clear the effects of the various mechanical factors on the filtration speed. The experimental data obtained will contribute to designing a prototype of the charge injection type of electrostatic oil filter.
Electrostatic oil filter Charge injection Filtration speed Mechanical factor Reuse
K. D. Tran M. Tomizawa H. Yanada
Department of Mechanical Engineering, Toyohashi University of Technology 1-1, Hibarigaoka, Tempaku-cho, Toyohashi, 441-8580 Japan
国际会议
北戴河
英文
392-396
2007-06-06（万方平台首次上网日期，不代表论文的发表时间）