Simplified numerical model of magnetocaloric cooling device

  • Paweł Płuszka Department of Cryogenic, Aeronautic and Process Engineering, Wroclaw University of Science and Technology Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland
  • Daniel Lewandowski Department of Mechanics, Material Science and Engineering, Wroclaw University of Science and Technology, Smoluchowskiego 25, Wroclaw 50–372, Poland
  • Ziemowit Miłosz Malecha Department of Cryogenic, Aeronautic and Process Engineering, Wroclaw University of Science and Technology Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland

Abstract

In the present paper the laboratory scale test stand of a magnetic cooling device is briefly introduced. One set of measurements,for a given geometry of a magnetic bed filled with gadolinium, are presented and used as reference results fordeveloping a zero-dimensional (0D) mathematical model. The 0D model assumes adiabatic heat transfer in the magnetic bedand thermal interaction of the system with surrounding ambient air. Moreover, it takes into consideration the basic dimensionsof the bed geometry. Its results give a theoretical upper limit of a temperature span of the proposed magnetic cooling device.The ultimate goal of the proposed 0D numerical model is to gain insight into the basic physics needed to build a full CFDmodel and optimize system efficiency so as to approach the theoretical temperature limits.

Author Biographies

Paweł Płuszka, Department of Cryogenic, Aeronautic and Process Engineering, Wroclaw University of Science and Technology Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland
Doctoral candidate
Daniel Lewandowski, Department of Mechanics, Material Science and Engineering, Wroclaw University of Science and Technology, Smoluchowskiego 25, Wroclaw 50–372, Poland
PhD Eng.
Ziemowit Miłosz Malecha, Department of Cryogenic, Aeronautic and Process Engineering, Wroclaw University of Science and Technology Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland
Associate Professor (dr hab.)

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Published
2019-04-11
How to Cite
PŁUSZKA, Paweł; LEWANDOWSKI, Daniel; MALECHA, Ziemowit Miłosz. Simplified numerical model of magnetocaloric cooling device. Journal of Power Technologies, [S.l.], v. 99, n. 2, p. 58–66, apr. 2019. ISSN 2083-4195. Available at: <https://papers.itc.pw.edu.pl/index.php/JPT/article/view/1485>. Date accessed: 02 dec. 2022.
Section
Contemporary Problems of Thermal Engineering 2018 Gliwice

Keywords

magnetic refrigeration; AMR gadolinium cycle; zero-dimensional modeling

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