低温工程
低溫工程
저온공정
Cryogenics
2015年
5期
64-68
,共5页
环形蓄冷器%气动斯特林制冷机%低振动
環形蓄冷器%氣動斯特林製冷機%低振動
배형축랭기%기동사특림제랭궤%저진동
ring form regenerator%pneumatically driven split-Stirling cryocooler%low vibration
介绍了一台由中国科学院上海技术物理研究所研制的低振动大冷量气动斯特林制冷机,该制冷机由直线型动磁压缩机和低振动的气动膨胀机组成。基于气动斯特林制冷机的机构特征,建立了相应的数值模型,通过大量的参数设计及热力学优化,得到了最优的制冷机结构尺寸。该制冷机经过了设计、制作及实验阶段,试验结果表明,实验样机在123 W交流电功输入下可达到80 K@6 W的制冷性能,比卡诺效率13.4%,此时冷指振动力仅为2.35 N。
介紹瞭一檯由中國科學院上海技術物理研究所研製的低振動大冷量氣動斯特林製冷機,該製冷機由直線型動磁壓縮機和低振動的氣動膨脹機組成。基于氣動斯特林製冷機的機構特徵,建立瞭相應的數值模型,通過大量的參數設計及熱力學優化,得到瞭最優的製冷機結構呎吋。該製冷機經過瞭設計、製作及實驗階段,試驗結果錶明,實驗樣機在123 W交流電功輸入下可達到80 K@6 W的製冷性能,比卡諾效率13.4%,此時冷指振動力僅為2.35 N。
개소료일태유중국과학원상해기술물리연구소연제적저진동대랭량기동사특림제랭궤,해제랭궤유직선형동자압축궤화저진동적기동팽창궤조성。기우기동사특림제랭궤적궤구특정,건립료상응적수치모형,통과대량적삼수설계급열역학우화,득도료최우적제랭궤결구척촌。해제랭궤경과료설계、제작급실험계단,시험결과표명,실험양궤재123 W교류전공수입하가체도80 K@6 W적제랭성능,비잡낙효솔13.4%,차시랭지진동력부위2.35 N。
Performances of a low vibration pneumatically driven Stirling-cycle cryocoolerprototype , de-veloped by Shanghai Institute of Technical Physics Chinese Academy of Science was introduced .This cryo-cooler is composed of a moving-magnet linear compressor and a pneumatic expander .Based on the structure characteristic of pneumatically driven split-Stirlingcryocooler , the numerical model was built .The optimized structural parameters was determined by using the numerical model to do the optimal design .The cryocooler has experienced design , manufacturing and experimental stages .The test result demonstrated that the cryo-cooler can gain 6 W cooling power at 80 K with 123 W input when the relative carnot efficiency is 13 .4%, the vibration of the cold finger is only 2.35 N.