NDLI: Permanently magnetized high gradient magnetic air filters for the nuclear industry

Content Provider	IEEE Xplore Digital Library
Author	Watson, J.H.P.
Copyright Year	1965
Abstract	This paper describes the structure and testing of two novel permanently magnetized magnetic filters for fine radioactive material. In the first filter the holes in the filter are left open as capture proceeds which means the pressure drop builds up only slowly. This filter is not suitable for composite particles which can be broken by mechanical forces. The second filter has been changed so as to strongly capture particles composed of fine particles weakly bound together which tend to break when captured. This uses a principle of assisted capture in which coarse particles aid the capture of the fine fragments. These filters have the following characteristics: (1) no external magnet is required; (2) no external power is required; (3) small in size and portable; (4) easily interchangeable; (5) can be cleaned without demagnetizing by using a magnetic fluid which matches the susceptibility of the captured particles.
Sponsorship	IEEE Magnetics Society
Starting Page	4181
Ending Page	4183
Page Count	3
File Size	427255
File Format	PDF
ISSN	00189464
Volume Number	31
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetic separation Air cleaners Filters Saturation magnetization Wire Demagnetization Paramagnetic materials Radioactive materials Magnetic materials Plasma measurements
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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