| 磁热效应演示实验 |
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| 引用本文： | 高茜,胡广兴. 磁热效应演示实验[J]. 物理实验, 2007, 27(2): 8-10 |
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| 作者姓名： | 高茜 胡广兴 |
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| 作者单位： | 东北大学,理学院,辽宁,沈阳,110004 |
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| 摘 要： | 简述了磁热效应的原理及磁致冷技术的发展现状.使用纳米磁流体为工作物质设计了室温磁热效应演示实验,通过灵敏电流计光标的偏转角度显示温度的变化.
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| 关 键 词： | 磁热效应 磁熵变 纳米磁流体 |
| 文章编号： | 1005-4642（2007）02-0008-03 |
| 修稿时间： | 2006-06-09 |
Magnetothermal effect and its demonstration |
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| GAO Qian,HU Guang-xing. Magnetothermal effect and its demonstration[J]. Physics Experimentation, 2007, 27(2): 8-10 |
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| Authors: | GAO Qian HU Guang-xing |
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| Affiliation: | School of Sciences, Northeastern University, Shenyang 110004, China |
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| Abstract: | The principle of magnetothermal effect and the progress of magnetic refrigeration are introduced briefly.A demonstration experiment of magnetothermal effect in normal room temperature is designed using nanometer hydromagnet as working matter.The temperature change is displayed by the deflection degree of cursor of galvanometer. |
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| Keywords: | magnetothermal effect magnetic entropy change nanometer hydromagnet |
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