2020
DOI: 10.47475/2500-0101-2020-15420
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Comparison of thermodynamic efficiency of cryogenic gas and solid-state magnetocaloric cycles

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Cited by 9 publications
(3 citation statements)
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“…The presence of field hysteresis (Figure 2a) in the vicinity of the magnetostructural PT in the sample's magnetization/demagnetization cycle leads to irreversible heat release δQ, which was calculated by using the Equation (3) Figure 3b shows the δQ values calculated for different temperatures with the maximal value δQ = 0.09 kJ/kg at T = 110 K. This value is only 8.5% of the ΔQ maximal value, which is made by the Heusler Ni44.4Mn36.2Sn14.9Cu4.5 alloy is interesting for using as a magnetocaloric working body in the temperature range of natural gas liquefaction [8], despite the presence of field hysteresis of the magnetostructural PT. (1)…”
Section: Indirect Mce Estimationmentioning
confidence: 99%
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“…The presence of field hysteresis (Figure 2a) in the vicinity of the magnetostructural PT in the sample's magnetization/demagnetization cycle leads to irreversible heat release δQ, which was calculated by using the Equation (3) Figure 3b shows the δQ values calculated for different temperatures with the maximal value δQ = 0.09 kJ/kg at T = 110 K. This value is only 8.5% of the ΔQ maximal value, which is made by the Heusler Ni44.4Mn36.2Sn14.9Cu4.5 alloy is interesting for using as a magnetocaloric working body in the temperature range of natural gas liquefaction [8], despite the presence of field hysteresis of the magnetostructural PT. (1)…”
Section: Indirect Mce Estimationmentioning
confidence: 99%
“…Thus, the refrigerant will cool down, and it will also cool the area of magnetic field. The effect can be used to cool a superconducting magnet and the surrounding liquefied gas [8], which will make it possible to reduce the consumption of liquefied gas.…”
Section: Introductionmentioning
confidence: 99%
“…Добавление примесей, расширяющих кристаллическую решетку, также позволяет варьировать температуру Кюри от 180 К до 320 К при сохранении значительного МКЭ [2,6]. Сильнее всего смещают температуру Кюри добавки Ce, Pr, Nd [7], Cr [8] и Mn [9][10][11], но только последний позволяет снизить температуру Кюри до 19 К [12], что делает данный материал перспективным как рабочее тело для магнитных криокулеров [13]. Проблема поиска оптимального легирования сплавов на основе LaFe 13-x Si x связана с технологией получения кубической кристаллической структуры типа NaZn 13 [14,15] для формирования которой при использовании технологии порошковой металлургии необходим 14дневный отжиг при ~1400 К, при этом многие примеси выходят из кристаллитов La(Fe,Si) 13 на границы или формируют другие соединения [14].…”
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