基于天线电阻的海洋溢油检测技术
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摘要
随着世界各国石油运输、海上油气开采活动的日益频繁,海洋石油污染事件不断发生,严重威胁海洋环境的可持续发展.提出一种基于天线电阻变化的海洋溢油检测技术.采用复镜像法分析了海面附近溢油及无油时天线的电阻变化,得到天线电阻与油膜厚度的对应关系.设计了溢油检测系统并搭建了实验平台,对1~16 mm厚的油膜进行检测,初步实验证明该检测方法可以检测到最薄1 mm的油膜,分辨力可达0.25 mm,且该方法具有较好的稳定性和实时性,重复性误差小于0.75 mm.
As the world oil transportation,offshore oil and gas exploration is increasingly frequent,marine oil pollution incidents occur constantly,which seriously threatens the sustainable development of marine environment. This paper proposes a new method of detecting oil spill on seawater based on antenna resistance change. Complex image method is used to analyze the change of antenna resistance near the seawater surface with and without oil and obtain the relationship between antenna resistance and oil film thickness. Oil spill detection system and experiment platform was built to test oil film of 1—16 mm thickness. Preliminary experiment result shows that this method can detect oil film as thin as 1 mm and the resolution reaches 0. 25 mm. The method has good stability and real-time performance with repeatability error of less than 0. 75 mm.
As the world oil transportation,offshore oil and gas exploration is increasingly frequent,marine oil pollution incidents occur constantly,which seriously threatens the sustainable development of marine environment. This paper proposes a new method of detecting oil spill on seawater based on antenna resistance change. Complex image method is used to analyze the change of antenna resistance near the seawater surface with and without oil and obtain the relationship between antenna resistance and oil film thickness. Oil spill detection system and experiment platform was built to test oil film of 1—16 mm thickness. Preliminary experiment result shows that this method can detect oil film as thin as 1 mm and the resolution reaches 0. 25 mm. The method has good stability and real-time performance with repeatability error of less than 0. 75 mm.
引文
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[11]陈聪,李定国,龚沈光.浅海中静态电偶极子电场分布的镜像法研究[J].武汉理工大学学报:交通科学与工程版,2010,34(4):716-720.Chen Cong,Li Dingguo,Gong Shenguang.Research of electric field distribution of static electric dipole in shallow sea with mirror method[J].Journal of Wuhan University of Technology:Transportation Science and Engineering,2010,34(4):716-720(in Chinese).
[12]Dural G,Aksun M I.Closed-form Green's functions for general sources and stratified media[J].IEEE Transactions on Microwave Theory and Techniques,1995,43(7):1545-1552.
[13]Chow Y L,Yang J J,Howard G E.Complex images for electrostatic field computation in multilayered media[J].IEEE Transactions on Microwave Theory and Techniques,1991,39(7):1120-1125.
[14]袁建生,李中新.求解多层媒质中点源电场问题的复镜像法[J].清华大学学报:自然科学版,1999,39(5):51-53.Yuan Jiansheng,Li Zhongxin.The complex image method to solve the multilayered medium point source field[J].J Tsinghua University:Sci&Tech,1999,39(5):51-53(in Chinese).
[15]陈莹.射频识别(RFID)系统天线设计及阻抗测量方法[D].郑州:郑州大学物理工程学院,2006.Chen Ying.Antenna Design and Impedance Measurement Method of Radio Frequency Identification(RFID)System[D].Zhengzhou:School of Physical Engineering,Zhengzhou University,2006(in Chinese).
[2]吴頔,吕且妮,陈曦,等.差分激光三角法油膜厚度测量传感器的测量范围与精度分析[J].天津大学学报:自然科学与工程技术版,2013,46(11):998-1002.Wu Di,LüQieni,Chen Xi,et al.Analysis on measurement range and precision of the oil film thickness measurement sensor based on differential laser trigonome try[J].Journal of Tianjin University:Science and Technology,2013,46(11):998-1002(in Chinese).
[3]陈虹宇.基于荧光光谱法港口近距溢油监测报警系统[D].大连:大连海事大学计算机科学与技术学院,2013.Chen Hongyu.Harbor Oil Spill Short-Distance Monitoring and Alarm System Based on Fluorescence Spectroscopy[D].Dalian:School of Computer Science and Technology,Dalian Maritime University,2013(in Chinese).
[4]Solberg A H S.Remote sensing of ocean oil-spill pollution[J].Proceedings of the IEEE,2012,100(10):2931-2945.
[5]Patsayeva S,Yuzhakov V,Varlamov V,et al.Laser spectroscopy of mineral oils on the water surface[C]//Proceedings of EARSe L-SIG-Workshop LIDAR.Dresden,Germany,2000:106-114.
[6]Yin Dayi,Huang Xiaoxian,Qian Weifeng,et al.Airborne validation of a new-style ultraviolet push-broom camera for ocean oil spill pollution surveillance[C]//Proceedings of the SPIE-The International Society for Optical Engineering.Toulouse,France,2010:782501.
[7]李太全,田茂,徐继生.复镜像法分析探地雷达天线阻抗特性[J].电波科学学报,2003(4):424-427.Li Taiquan,Tian Mao,Xu Jisheng.Analysis on the ground penetrating radar antennas using complex image method[J].Chinese Journal of Radio Science,2003(4):424-427(in Chinese).
[8]熊继军,杨芳,梁庭,等.无源压力传感器Q值对信号传输性能的影响[J].纳米技术与精密工程,2012,10(5):429-433.Xiong Jijun,Yang Fang,Liang Ting,et al.Influence of Qfactor on signal transmission performance of passive pressure sensor[J].Nanotechnology and Precision Engineering,2012,10(5):429-433(in Chinese).
[9]Kraichman M B.Impedance of a circular loop in an infinite conducting medium[J].J Res Nat Bureau of Standards,D Radio Propagation,1962,66(4):499-503.
[10]Shubair R M,Chow Y L.A closed-form solution of vertical dipole antennas above a dielectric half-space[J].IEEE Transactions on Antennas and Propagation,1993,41(12):1737-17411.
[11]陈聪,李定国,龚沈光.浅海中静态电偶极子电场分布的镜像法研究[J].武汉理工大学学报:交通科学与工程版,2010,34(4):716-720.Chen Cong,Li Dingguo,Gong Shenguang.Research of electric field distribution of static electric dipole in shallow sea with mirror method[J].Journal of Wuhan University of Technology:Transportation Science and Engineering,2010,34(4):716-720(in Chinese).
[12]Dural G,Aksun M I.Closed-form Green's functions for general sources and stratified media[J].IEEE Transactions on Microwave Theory and Techniques,1995,43(7):1545-1552.
[13]Chow Y L,Yang J J,Howard G E.Complex images for electrostatic field computation in multilayered media[J].IEEE Transactions on Microwave Theory and Techniques,1991,39(7):1120-1125.
[14]袁建生,李中新.求解多层媒质中点源电场问题的复镜像法[J].清华大学学报:自然科学版,1999,39(5):51-53.Yuan Jiansheng,Li Zhongxin.The complex image method to solve the multilayered medium point source field[J].J Tsinghua University:Sci&Tech,1999,39(5):51-53(in Chinese).
[15]陈莹.射频识别(RFID)系统天线设计及阻抗测量方法[D].郑州:郑州大学物理工程学院,2006.Chen Ying.Antenna Design and Impedance Measurement Method of Radio Frequency Identification(RFID)System[D].Zhengzhou:School of Physical Engineering,Zhengzhou University,2006(in Chinese).
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