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Designing of Halbach cylinder based magnetic assembly for a rotating magnetic refrigerator. Part 1: Designing procedure

Lorenz, L. and Kevlishvili, N. (2016) Designing of Halbach cylinder based magnetic assembly for a rotating magnetic refrigerator. Part 1: Designing procedure. International Journal of Refrigeration, 73, pp. 246-256. Elsevier. ISSN 0140-7007

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Official URL: http://dx.doi.org/10.1016/j.ijrefrig.2016.09.003

Abstract

Generation of the alternating strong and almost zero homogeneous magnetic field that the magnetocaloric material has to be exposed to is a major challenge in magnetic refrigeration. With this paper we start a series of publications considering designing of Halbach cylinder based magnet assemblies for non simultaneous cycles. In present, for the first part we define a designing procedure which, applied to the Halbach cylinder, allows creation of two or higher pole number magnet assemblies.We consider here two and four pole cases in great details. Each designing procedure step is accompanied by 3D finite element simulation.The achieved final magnet designs fulfill the predefined requirements of particular field distribution in the air gap, maximized ratio of high field volume to the permanent magnet volume, best utilization of magnets and magnetocaloric materials and constructional simplicity. A short comparison of two and four pole arrangements is given.

Item URL in elib:https://elib.dlr.de/107443/
Document Type:Article
Title:Designing of Halbach cylinder based magnetic assembly for a rotating magnetic refrigerator. Part 1: Designing procedure
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Lorenz, L.UNSPECIFIEDUNSPECIFIED
Kevlishvili, N.UNSPECIFIEDUNSPECIFIED
Date:7 September 2016
Journal or Publication Title:International Journal of Refrigeration
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:73
Page Range:pp. 246-256
Publisher:Elsevier
ISSN:0140-7007
Status:Published
Keywords:Magnetic Refrigeration Halbach cylinder Permanent magnet Magnet design
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Terrestrial Vehicles (old)
DLR - Research area:Transport
DLR - Program:V BF - Bodengebundene Fahrzeuge
DLR - Research theme (Project):V - Next Generation Train III (old)
Location: Stuttgart
Institutes and Institutions:Institute of Vehicle Concepts
Deposited By: Kevlishvili, Nina
Deposited On:22 Nov 2016 15:59
Last Modified:08 Mar 2018 18:39

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