Applications based on Variable Frequency Rotating Magnetic Field. Electromechanical Agitator with Dual Direction
Abstract
This paper presents a series of experimental results obtained by studying the specific effects and phenomena of the rotating magnetic field. During the research, an interesting phenomenon, specific to the variable frequency rotating magnetic field, was noticed. Thus, a ferromagnetic metal ball placed in the rotating magnetic field, rotates in the field direction until it reaches a critical speed. If the speed of the magnetic field continues to increase, the ball reverses its rotation direction, even if the magnetic field direction remains the same. This has led to the development of stands and experimental installations including the dual direction electromechanical agitator described in this paper.
Downloads
References
[2]. Luca E., Călugăru Gh., Bădescu R., Cotae C., Bădescu V., Ferofluidele şi aplicaţiile lor în industrie, Bucureşti, Editura Tehnică, 1978.
[3]. Negru M. B., Cernomazu D., Mandici L., Minescu D., Ungureanu C., Savu E., Prodan C., Agitator pentru fluide dielectrice. Cerere de brevet de invenţie nr. a 2002 00412 A2. În B.O.P.I. nr. 2/2004, OSIM Bucureşti, pag. 19.
[4]. Negru M. B., Contribuţii privind extinderea aplicaţiilor ferofluidelor şi a pulberilor feromagnetice în electrotehnică. Teză de doctorat. Suceava: Universitatea „Ştefan cel Mare”, Facultatea de Inginerie Electrică şi Ştiinţa Calculatoarelor, 2012.