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Magnetic analysis of a finite solenoid

유한 솔레노이드의 자속밀도 해석

  • Lee, Ju-Hee (Mechanical Engineering, Yeungnam University) ;
  • Hwang, Seon (Mechanical Engineering, Yeungnam University) ;
  • Lee, Dong-Yeon (Mechanical Engineering, Yeungnam University)
  • 이주희 (영남대학교 기계공학부) ;
  • 황선 (영남대학교 기계공학부) ;
  • 이동연 (영남대학교 기계공학부)
  • Received : 2015.06.12
  • Accepted : 2015.10.08
  • Published : 2015.10.31

Abstract

In this paper, the theoretical analysis for a solenoid with a finite length was verified by the finite element simulation. The solenoids are widely being used in the field of mechanical, industrial, medical industry due to their simple structure and fast responses. Solenoid actuators use an electromagnetic force. A magnetic field is formed around the solenoid coil when a current is applied. The magnetic force generated by the magnetic field enables an inside plunger to move linearly. The axial and radial magnetic fields (magnetic flux density, B) at a certain point were calculated from the Biot-Savart's law and compared with the simulation analysis from the ANSYS-Magnetostatic S/W. Comparison result, an error exists in the error range, and could therefore verify the accuracy.

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