多孔光纤通道内的流阻特性模拟与分析  

Numerical Study on the Flow Characteristics in Holey Optical Fibers

作　　者：黄迦乐[1] 沈崴[1] 金滔[1] 张阿平[2] 汤珂[1] 严国锋[2] 

机构地区：[1]浙江大学能源工程学系制冷与低温研究所,浙江杭州310027 [2]浙江大学光电信息工程系光及电磁波研究中心,浙江杭州310058

出　　处：《工程热物理学报》2012年第10期1651-1654,共4页Journal of Engineering Thermophysics

基　　金：国家自然科学基金资助项目(No.51076137);教育部博士点基金资助项目(No.20100101110034)

摘　　要：采用N-S方程对长5 cm、孔径5μm的圆孔型多孔光纤通道中气体流动的流场进行了数值模拟,并利用Albertoni模型和Sreekanth模型将一阶和二阶滑移边界条件引入到计算中。通过比较有、无速度滑移两类边界条件的模拟结果,发现在滑移流域内,滑移边界条件对流场的影响最大可达10%。此外,还探讨了多孔光纤微通道流动中气体压力与速度的范围,为后续实验工作的开展打下理论基础。The gas flow characteristics in a holey optical fiber with a diameter of 5 ~m and a length of 5 cm is studied using Navier-Stokes equations, in which first and second order slip boundary conditions are introduced with Albertoni and Sreekanth models, respectively. It is noted that the boundary slip conditions have significant influence on the flow distribution, as large as 10%, by comparing with the case without boundary slip. The ranges of flow pressure and velocity in the fiber channel are also discussed, which can be a guide to the future experimental work.

关 键 词：多孔光纤 滑移边界条件 微通道流动 

分 类 号：TB511[理学—物理]