空间用3 W@80 K脉冲管制冷机实验研究
发布时间：2019-06-22 13:41
【摘要】：为冷却某空间用红外探测器,研制了一台斯特林型脉冲管制冷机。该制冷机为单级同轴型结构,整机重量4.5 kg,设计寿命5年。系统介绍了脉冲管制冷机系统结构及实验装置,测试了制冷机性能及其与杜瓦耦合后的降温特性曲线,实验结果表明,脉冲管制冷机在80 K可提供0—3 W制冷量,比卡诺效率11%,其制冷量可充分满足杜瓦组件的低温和长寿命的工程需求。
[Abstract]:In order to cool a space infrared detector, a Sterling pulse tube refrigerator is developed. The refrigerator is a single-stage coaxial structure with a design life of 4.5 kg,. The system structure and experimental device of pulse tube refrigerator are introduced systematically. the performance of the refrigerator and the cooling characteristic curve coupled with Dewar are tested. the experimental results show that the pulse tube refrigerator can provide 0 鈮，
本文编号：2504634
[Abstract]:In order to cool a space infrared detector, a Sterling pulse tube refrigerator is developed. The refrigerator is a single-stage coaxial structure with a design life of 4.5 kg,. The system structure and experimental device of pulse tube refrigerator are introduced systematically. the performance of the refrigerator and the cooling characteristic curve coupled with Dewar are tested. the experimental results show that the pulse tube refrigerator can provide 0 鈮，
本文编号：2504634
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