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Nouvelle conception d’une pompe à chaleur à régénérateur magnétique actif à lits multiples et à haut rendement

Autor: Hugo Vieyra, H. Neves Bez, Alexander Barcza, Niels v. Beek, Kaspar Kirstein Nielsen, Jierong Liang, Marvin Masche, Dan Eriksen, Christian R.H. Bahl, Kurt Engelbrecht, Andrea Roberto Insinga, Stefano Dallolio, Rasmus Bjørk

Publikováno v: Dall'Olio, S, Masche, M, Liang, J, Insinga, A R, Eriksen, D, Bjørk, R, Nielsen, K K, Barcza, A, Vieyra, H A, Beek, N V, Bez, H N, Engelbrecht, K & Bahl, C R H 2021, ' Novel design of a high efficiency multi-bed active magnetic regenerator heat pump ', International Journal of Refrigeration, vol. 132, pp. 243-254 . https://doi.org/10.1016/j.ijrefrig.2021.09.007
International journal of refrigeration, vol. 132, pp. 243-254, 2021.

The design of a rotary active magnetic regenerator heat pump device with a multi-bed concept is presented. Important design features are the rotating two-pole magnet assembly, the laminated iron ring, the 13 fixed tapered regenerator beds, and the dy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::20045d58374614d5c1c1451b03b91794
https://orbit.dtu.dk/en/publications/a6952b71-123e-4d06-a48e-879cac3d6daf

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Best practices in evaluation of the magnetocaloric effect from bulk magnetization measurements

Autor: H. Yibole, Vitalij K. Pecharsky, Yaroslav Mudryk, Arjun K. Pathak, H. Neves Bez

Publikováno v: Journal of Magnetism and Magnetic Materials. 458:301-309

Conventional magnetometry is irreplaceable in evaluating bulk magnetization of materials over broad temperature and field ranges. The technique is also effective in quantifying hysteresis that may be associated with magnetic and structural phase tran

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7b9ca9c6cf5913a134a4df0312aa07d1
https://doi.org/10.1016/j.jmmm.2018.03.020

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Influence of the starting temperature of calorimetric measurements on the accuracy of determined magnetocaloric effect

Autor: Vitalij K. Pecharsky, A. Conde, H. Neves Bez, Victorino Franco, Yaroslav Mudryk, L.M. Moreno-Ramírez

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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Availability of a restricted heat capacity data range has a clear influence on the accuracy of calculated magnetocaloric effect, as confirmed by both numerical simulations and experimental measurements. Simulations using the Bean-Rodbell model show t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e0a95abe116e542f9db6fcbc26eae9b1

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Study of multi-layer active magnetic regenerators using magnetocaloric materials with first and second order phase transition

Autor: Kaspar Kirstein Nielsen, H. Neves Bez, Tian Lei, Christian R.H. Bahl, Kurt Engelbrecht

Publikováno v: Journal of Physics D: Applied Physics. 49:345001

Magnetocaloric materials (MCM) with a first order phase transition (FOPT) usually exhibit a large, although sharp, isothermal entropy change near their Curie temperature, compared to materials with a second order phase transition (SOPT). Experimental

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::256b437810dd7e7de3192e5ec3d79768
https://doi.org/10.1088/0022-3727/49/34/345001

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