休斯飞机公司正在发展一种使空间红外传感器和信号处理器冷却的致冷器,其冷却温度比普通闭合循环气体致冷器所能高效保持的温度更低。这种磁致冷器利用磁热效应,用磁性材料 Hughes Aircraft Company is developing a cooler that cools the space infrared sensors and signal processors at cooler temperatures than can be efficiently maintained by conventional closed cycle gas chillers. This magnetic refrigerator utilizes the magnetocaloric effect with a magnetic material