基于BOFDA的地下水温模拟监测试验研究  

Experimental Study on Temperature Measurement of Groundwater Based on BOFDA

作　　者：李明坤[1] 高磊[1] 余湘娟[1] 

机构地区：[1]河海大学土木与交通学院,南京210098

出　　处：《河南科学》2014年第12期2537-2540,共4页Henan Science

基　　金：河海大学中央高校基本科研业务费专项资金项目资助(2012B02314);中国博士后科学基金资助项目(2012M511193;2014T70468);江苏省自然科学基金资助(BK20130832)

摘　　要：从传统地下水温度监测传感器的不足出发,分析了分布式光纤监测技术的优点,并对常用的几种分布式光纤监测技术进行了比较.将布里渊频域分析技术用于测量地下水温度的可行性进行了分析,总结了地下水温度场的光纤传感器测量布设方案,提出了分布式光纤传感技术测量地下水温度场的数据分析和处理思路.通过室内模拟试验,采用布里渊频域分析技术监测了水温度场的动态变化,取得了良好的效果,验证了布里渊频域分析传感技术测量地下水温度的可行性和优越性.The advantages of the distributed fiber monitoring technology,compared with the insufficient of traditionalgroundwater temperature monitoring sensor,were analyzed in this paper. The several common distributed fibermonitoring technologies were compared with each other. The feasibility of Brillouin frequency domain analysistechnology for measuring groundwater temperature was analyzed. The layout of fiber sensor measurement forgroundwater temperature field was summarized. The data analysis and processing for measuring groundwatertemperature field by using the distributed fiber sensing technology were proposed. Through the indoor test,Brillouinfrequency domain analysis technology was used to monitor the dynamic change of groundwater temperature field,and good results was achieved. The feasibility and advantages of the Brillouin frequency domain analysis technologyfor measuring groundwater temperature are validated.

关 键 词：地下水温度场 布里渊频域分析技术 温度试验 

分 类 号：TU411[建筑科学—岩土工程] TN42[建筑科学—土工工程]