Magnetic particle detection in unshielded environment using orthogonal fluxgate gradiometer

Ahmed L. Elrefai, Ichiro Sasada

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

A new detection system for magnetic particles, which can operate in an unshielded environment, is developed using a fundamental mode orthogonal fluxgate gradiometer. The proposed detection system offers the advantages of cost, size, and weight reduction as compared to contamination detection systems using superconducting quantum interference device sensor. The detection system can be used to detect metallic contamination in foods or lithium ion battery production lines. The system has been investigated numerically to optimize various design parameters of the system. Experimental setup has been developed to evaluate some of the numerically predicted results. Steel balls were successfully detected down to the diameter of 50 μm.

Original languageEnglish
Article number17C114
JournalJournal of Applied Physics
Volume117
Issue number17
DOIs
Publication statusPublished - May 7 2015

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gradiometers
contamination
weight reduction
cost reduction
food
electric batteries
balls
lithium
steels
interference
sensors
ions

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Magnetic particle detection in unshielded environment using orthogonal fluxgate gradiometer. / Elrefai, Ahmed L.; Sasada, Ichiro.

In: Journal of Applied Physics, Vol. 117, No. 17, 17C114, 07.05.2015.

Research output: Contribution to journalArticle

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