温度脉动仪标定装置的初步设计  

Preliminary Design of Calibration Device of Micro-Thermometer

作　　者：赵乐至[1] 刘小勤[1] 卢伟[1] 

机构地区：[1]中国科学院安徽光学精密机械研究所中国科学院大气成分与光学重点实验室,安徽合肥230031

出　　处：《大气与环境光学学报》2011年第4期294-298,共5页Journal of Atmospheric and Environmental Optics

摘　　要：在大气参数中折射率结构常数C_n^2是一个重要的参数,C_n^2有多种测量方法,其中利用温度脉动仪进行测量是一个重要的测量方法。但是可以精确控制的微温度脉动源较难产生,所以至今还没一个标准的温度脉动源对温度脉动仪进行定标。从热力学原理出发,采用绝热压缩和膨胀气体的方法,研制了一个温度可以控制的温度脉动源装置,并且对其不确定度进行分析,认为这个装置可以用来标定温度脉动仪。Refractive index structure constant Cn2 is an important atmospheric parameter. There are many methods to measure Cn2, one is using micro-thermometer, but the precise controlled micro-thermometer source is difficult to be realized. Therefore, there isnlt a standard micro-thermometer source for the calibration of the micro-thermometer until now. Based on the principle of thermodynamics, using adiabatic compression and expansion of gas method, a temperature controlled device is developed. The uncertainty analysis of the device is proved that the device can be used to calibrate micro-thermometer

关 键 词：折射率结构常数 温度脉动仪 温度脉动源 

分 类 号：P414[天文地球—大气科学及气象学]