The Transactions of the Korean Institute of Electrical Engineers B (대한전기학회논문지:전기기기및에너지변환시스템부문B)

The Korean Institute of Electrical Engineers (대한전기학회)
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Study of the Driving Characteristics in the Magnetic Fluid Linear Pump by AC Operating Currents

Magnetic Fluid Linear Pump의 AC 전류에 의한 운전 특성에 관한 연구

  • 박관수 (부산대학 전기공학과) ;
  • 서강 (부산대학 전기공학과)
  • Published : 2005.03.01
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Abstract

In the magnetic fluid linear pump, the pumping forces and pumping speed mainly depend on the current patterns. In this research, a new design to reduce the discontinuities of the pumping forces of the MFLP was studied. Continuous pumping of the newly designed MFLP by using AC current increases pumping efficiency and reduces the pumping force. Forming shapes of the magnetic fluid at the intermediate state were computed and compared to measurement. Since the back flow of the fluid is reduced remarkably, 4 yoke's AC driving is more efficient than 7 yoke's DC driving. The size, weight and pumping discontinuity are also reduced.

Keywords

References

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