2 W@40 K单级斯特林制冷机性能优化试验研究  

Experimental study on performance optimization of 2W@40 K single-stage Stirling refrigerator

作　　者：寇翠翠 姜昆 方露露 罗高乔 王波 吴维薇 Kou Cuicui;Jiang Kun;Fang Lulu;Luo Gaoqiao;Wang Bo;Wu Weiwei(Anhui Province Key Laboratory of Cryogenic Technology,Hefei 230088,China;The 16th Research Institute of CETC,Hefei 230088,China)

机构地区：[1]低温技术安徽省重点实验室,合肥230088 [2]中国电子科技集团公司第十六研究所,合肥230088

出　　处：《低温工程》2022年第6期26-30,共5页Cryogenics

基　　金：中国电子科技集团有限公司技术创新基金项目(KJ1804006)。

摘　　要：为了解决未来空间高精度成像任务中迫切需要更加高效、功耗低、寿命长、振动低、重量轻及体积小的制冷机的问题,提出一款2 W@40 K单级斯特林制冷机,并对该机型进行理论设计和试验研究。通过优化气浮轴承单级斯特林制冷机充气压力、网片填充孔隙率和回热器长度等关键参数,实现了单级斯特林制冷机在充气压力为2.2 MPa、网片填充孔隙率为0.875、回热器长度为62 mm时达到最佳性能,性能为2.15 W@40 K,输入功率179.6 W,制冷系数COP为1.2%。In order to solve the urgent need for more efficient,low power consumption,long life,low vibration,light weight and small volume refrigerators in the future space high-precision imaging tasks,a 2 W@40 K single-stage Stirling refrigerator was proposed.Theoretical design and experimental research of the model were carried out.Key parameters such as charge pressure,filling porosity of mesh,length of the regenerator for gas bearing single-stage Stirling refrigerator were optimized,best performance 2.15 W@40 K was archived when the pressure is 2.2 MPa,the filling porosity of mesh is 0.875,and the length of the regenerator is 62 mm.The input power is 179.6 W and the cooling coefficientCOPis 1.2%.

关 键 词：气浮轴承单级斯特林制冷机 2 W@40 K COP 

分 类 号：TB651[一般工业技术—制冷工程]