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旋轉(zhuǎn)式室溫磁制冷機(jī)永磁磁路的設(shè)計(jì)及優(yōu)化
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TM144;TB651

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國(guó)家“863”資助項(xiàng)目(2002AA324010)


Design and Optimization of Permanent Magnetic Circuit for Rotating Room-Temperature Magnetic Refrigerators
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    摘要:

    磁制冷的發(fā)展除了取決于磁工質(zhì)的發(fā)展外,提供性能優(yōu)良的外磁場(chǎng)磁路同樣具有舉足輕重的作用。本文在中空?qǐng)A柱型磁場(chǎng)源(hollow cylindrical flux source)的基礎(chǔ)上,設(shè)計(jì)出適用于旋轉(zhuǎn)式室溫磁制冷機(jī)的永磁磁路。在保證工作氣隙一定磁感應(yīng)強(qiáng)度的情況下,通過Ansys軟件進(jìn)行優(yōu)化,設(shè)計(jì)出了一種工作氣隙中心平均磁感應(yīng)強(qiáng)度≥1.75T的高場(chǎng)強(qiáng)永磁磁路。相對(duì)于未優(yōu)化的磁路,工作氣隙中心平均磁感應(yīng)強(qiáng)度提高了20%,磁體質(zhì)量降低了21%。

    Abstract:

    Besides improvement of the magnetic refrigerant materials for development of magnetic refrigeration, an excellent magnetic field source is same important. Based on the hollow cylindrical flux source, a permanent magnetic circuit is designed for rotating room-temperature refrigerator. And after optimization by Ansys software, a permanent magnetic circuit, in which the average magnetic induction strength at the center of the working gap is up to 1.75 T, is got. Relative to the unoptimization magnetic circuit by Ansys software, the average magnetic induction strength in the center gap raise by 20%, and the magnetic circuit weight descend by 21%.

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向志剛,陳云貴,唐永柏,涂銘旌.旋轉(zhuǎn)式室溫磁制冷機(jī)永磁磁路的設(shè)計(jì)及優(yōu)化[J].稀有金屬材料與工程,2006,35(4):589~592.[Xiang Zhigang, Chen Yungui, Tang yongbai, Tu mingjing. Design and Optimization of Permanent Magnetic Circuit for Rotating Room-Temperature Magnetic Refrigerators[J]. Rare Metal Materials and Engineering,2006,35(4):589~592.]
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  • 最后修改日期:2004-11-29
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