磁制冷发展现状及趋势：Ⅱ磁制冷技术

摘要

The basic principle of magnetic refrigeration has been introduced.The difference between magnetic refrigeration and gas compressing refrigeration has been given and the four basic cycles of magnetic refrigeration have been summerized.Then the development of magnetic refrigerators,especially room temperature magnmetic refrigerator has been reviewed.The key technology of magnetic refrigeration has been analyzed.The potentioal market of magnetic refrigeration and the development trend have been provided.%简要介绍了磁制冷实现的原理，概括了磁制冷与气体压缩制冷的差异，比较了4种磁制冷循环的优缺点及适用场合，重点评述了室温温区磁制冷样机的研究进展，分析了磁制冷的关键技术，最后给出了磁制冷的潜在市场并展望了发展趋势。