Performance prediction of magnetocaloric heat pump with material layered active magnetic regenerator

Masahiro Asou; Tsuyoshi Kawanami; Shigeki Hirano; Katsuaki Shirai; Shigeki Hirasawa

doi:10.18462/iir.icr.2015.0262

Performance prediction of magnetocaloric heat pump with material layered active magnetic regenerator

Masahiro Asou, Tsuyoshi Kawanami, Shigeki Hirano, Katsuaki Shirai, Shigeki Hirasawa

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The function of the magnetocaloric heat pump with an active magnetic regenerator (AMR) cycle is based on a magnetocaloric effect (MCE). In the process of the AMR cycle, the range within which the magnetocaloric material (MCM) exhibits an MCE is narrow near its Curie point. Therefore, there is only a narrow temperature span in the case of an AMR with a single MCM. In order to solve this problem, an AMR system with material layers was used, based on the arrangement of a couple of MCMs in the regenerator. Given that only a limited number of studies exist on the magnetocaloric heat pump using a material-layered system, the influence of the MCM properties on this heat pump is still unclear. Therefore, the refrigeration capacity and the temperature span of the magnetocaloric heat pump using the material-layered system are numerically evaluated in this study in order to obtain guidance for the system design. These results are compared with those gotten extracted for the magnetocaloric heat pump of the single MCM.

Original language	English
Title of host publication	24th IIR International Congress of Refrigeration, ICR 2015
Publisher	International Institute of Refrigeration
Pages	942-949
Number of pages	8
ISBN (Electronic)	9782362150128
DOIs	https://doi.org/10.18462/iir.icr.2015.0262
Publication status	Published - 2015
Externally published	Yes
Event	24th IIR International Congress of Refrigeration, ICR 2015 - Yokohama, Japan Duration: 2015 Aug 16 → 2015 Aug 22

Other

Other	24th IIR International Congress of Refrigeration, ICR 2015
Country	Japan
City	Yokohama
Period	15/8/16 → 15/8/22

ASJC Scopus subject areas

Control and Systems Engineering
Electrical and Electronic Engineering
Mechanical Engineering
Condensed Matter Physics

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Performance prediction of magnetocaloric heat pump with material layered active magnetic regenerator. / Asou, Masahiro; Kawanami, Tsuyoshi; Hirano, Shigeki; Shirai, Katsuaki; Hirasawa, Shigeki.

24th IIR International Congress of Refrigeration, ICR 2015. International Institute of Refrigeration, 2015. p. 942-949.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Asou, M, Kawanami, T, Hirano, S, Shirai, K & Hirasawa, S 2015, Performance prediction of magnetocaloric heat pump with material layered active magnetic regenerator. in 24th IIR International Congress of Refrigeration, ICR 2015. International Institute of Refrigeration, pp. 942-949, 24th IIR International Congress of Refrigeration, ICR 2015, Yokohama, Japan, 15/8/16. https://doi.org/10.18462/iir.icr.2015.0262

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title = "Performance prediction of magnetocaloric heat pump with material layered active magnetic regenerator",

abstract = "The function of the magnetocaloric heat pump with an active magnetic regenerator (AMR) cycle is based on a magnetocaloric effect (MCE). In the process of the AMR cycle, the range within which the magnetocaloric material (MCM) exhibits an MCE is narrow near its Curie point. Therefore, there is only a narrow temperature span in the case of an AMR with a single MCM. In order to solve this problem, an AMR system with material layers was used, based on the arrangement of a couple of MCMs in the regenerator. Given that only a limited number of studies exist on the magnetocaloric heat pump using a material-layered system, the influence of the MCM properties on this heat pump is still unclear. Therefore, the refrigeration capacity and the temperature span of the magnetocaloric heat pump using the material-layered system are numerically evaluated in this study in order to obtain guidance for the system design. These results are compared with those gotten extracted for the magnetocaloric heat pump of the single MCM.",

author = "Masahiro Asou and Tsuyoshi Kawanami and Shigeki Hirano and Katsuaki Shirai and Shigeki Hirasawa",

year = "2015",

doi = "10.18462/iir.icr.2015.0262",

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booktitle = "24th IIR International Congress of Refrigeration, ICR 2015",

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AU - Hirasawa, Shigeki

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N2 - The function of the magnetocaloric heat pump with an active magnetic regenerator (AMR) cycle is based on a magnetocaloric effect (MCE). In the process of the AMR cycle, the range within which the magnetocaloric material (MCM) exhibits an MCE is narrow near its Curie point. Therefore, there is only a narrow temperature span in the case of an AMR with a single MCM. In order to solve this problem, an AMR system with material layers was used, based on the arrangement of a couple of MCMs in the regenerator. Given that only a limited number of studies exist on the magnetocaloric heat pump using a material-layered system, the influence of the MCM properties on this heat pump is still unclear. Therefore, the refrigeration capacity and the temperature span of the magnetocaloric heat pump using the material-layered system are numerically evaluated in this study in order to obtain guidance for the system design. These results are compared with those gotten extracted for the magnetocaloric heat pump of the single MCM.

AB - The function of the magnetocaloric heat pump with an active magnetic regenerator (AMR) cycle is based on a magnetocaloric effect (MCE). In the process of the AMR cycle, the range within which the magnetocaloric material (MCM) exhibits an MCE is narrow near its Curie point. Therefore, there is only a narrow temperature span in the case of an AMR with a single MCM. In order to solve this problem, an AMR system with material layers was used, based on the arrangement of a couple of MCMs in the regenerator. Given that only a limited number of studies exist on the magnetocaloric heat pump using a material-layered system, the influence of the MCM properties on this heat pump is still unclear. Therefore, the refrigeration capacity and the temperature span of the magnetocaloric heat pump using the material-layered system are numerically evaluated in this study in order to obtain guidance for the system design. These results are compared with those gotten extracted for the magnetocaloric heat pump of the single MCM.

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