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| IMPACT OF DIPOLE SPACING IN ELECTRICAL LANDFILL LEAKAGE DETECTION |
| GUAN Shao-peng1, WANG Yu-ling2, NAI Chang-xin2, SUN Wen-yan1 |
1. School of Communication Engineering, Shandong Institute of Business and Technology, Yantai 264005, China;
2. Research Institute of Solid Waste Management, Chinese Research Academy of Environmental Sciences, Beijing 100012, China |
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Abstract The dipole spacing could affect the detection sensitivity and accuracy in the electrical landfill leakage detection. Based on the principle of electrical method, the influence of dipole spacing was analyzed and validated by experiment. The theoretical and experimental results show that: (1) the greater the dipole spacing is, the higher the detection sensitivity is, but the locating accuracy lower and some leaks will easily be undetected; (2) the smaller the dipole spacing is, the higher the leak locating accuracy is, but the detection sensitivity lower. In engineering practice, the dipole spacing usually is determined as 1 m.
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Received: 10 January 2011
Published: 10 June 2012
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