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Details of the Sequential Steps in Magnetocaloric Regeneration

Published

Author(s)

F Shir, Lawrence H. Bennett, Edward Della Torre, C Mavriplis, L Yanik, Robert D. Shull

Abstract

We report on the first demonstration of the four sequential steps in magnetocaloric regeneration of a magnetocaloric material: magnetization, warm blow, demagnetization, and cold blow. The experimental results display temperature divergence due to regeneration. Periodic temperature change of the solid bed is provided by the magnetocaloric effect in a periodic field change between 0 T and 2 T. The four sequential steps of each cycle are discussed. We present a theory of thermal wave propagation during the transient period of the refrigeration process in the regenerative bed combined with the magnetocaloric effect. A model for the temperature profile in an active magnetic refrigeration system is discussed.
Citation
IEEE Transactions on Magnetics

Keywords

active magnetic regeneration theory, magnetic refrigeration, magnetization, magnetocaloric effect, magnetocaloric regeneration

Citation

Shir, F. , Bennett, L. , Della Torre, E. , Mavriplis, C. , Yanik, L. and Shull, R. (2005), Details of the Sequential Steps in Magnetocaloric Regeneration, IEEE Transactions on Magnetics, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=853315 (Accessed June 14, 2024)

Issues

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Created June 7, 2005, Updated October 12, 2021