Title :
Vibrating sample magnetometer for large permanent magnets
Author :
Ribeiro, A. Lopes
Author_Institution :
Inst. Super. Tecnico, Lisbon
Abstract :
This paper describes a vibrating sample magnetometer (VSM) intended to measure the magnetic moment of large permanent magnets. The reciprocity theorem was used to preview the pick-up coils output voltage. The finite element method was utilized to determine the magnetic field produced by a unitary current in the pick-up coils. The sensitivity of the magnetometer was determined by the measurements carried out with a well characterized sample.
Keywords :
finite element analysis; magnetic fields; magnetic moments; magnetic variables measurement; magnetometers; permanent magnets; finite element method; large permanent magnets; magnetic field; magnetic moment measure; pick-up coils output voltage; reciprocity theorem; unitary current; vibrating sample magnetometer; Coils; Magnetic field measurement; Magnetic fields; Magnetic flux; Magnetic materials; Magnetic moments; Magnetic separation; Magnetometers; Permanent magnets; Voltage; Vibrating sample magnetometer; magnetic measurements; permanent magnets;
Conference_Titel :
AFRICON 2007
Conference_Location :
Windhoek
Print_ISBN :
978-1-4244-0987-7
Electronic_ISBN :
978-1-4244-0987-7
DOI :
10.1109/AFRCON.2007.4401540
