动磁式线性斯特林制冷机仿真分析  

The Simulation of the Moving Magnet Linear Stirling Cryocooler

作　　者：夏明[1] 陈晓屏[1] 

机构地区：[1]昆明物理研究所,云南昆明650223

出　　处：《红外技术》2009年第8期471-475,共5页Infrared Technology

摘　　要：动磁式线性斯特林制冷机是目前国际上比较流行的战术用长寿命微型斯特林制冷机。以昆明物理研究所的SCI15H动磁式线性斯特林制冷机为研究对象,对制冷机的板弹簧、磁路和热力学循环进行了仿真分析。分析方法采用了FEM(有限元法)和CFD(计算流体力学)分析方法。热力学分析模拟了制冷机的内部流动情况和制冷量,磁路分析计算了线圈的磁感应强度和磁力线分布,板弹簧分析给出了弹簧应力分布和弹簧刚度。Moving magnet linear stirling cryocoolers are very popular tactical miniature ones. This paper studied the SCI15H moving magnet linear stifling cryocooler manufactured by Kunming institute of physics. The FEM and CFD methods were used in analysis models. Inner helium flow and cooling power of stifling cryocooler were calculated in thermodynamics analysis model, magnetic flux density was calculated in magnetic circuit analysis model, the spring stress and stiffness were calculated in spring analysis model.

关 键 词：动磁式 线性斯特林制冷机 FEM CFD 仿真 

分 类 号：TN215[电子电信—物理电子学]