The effectiveness of airborne laser detection equipment on buried pipeline small leakage is firstly validated by experiment. Dispersion range of pipeline small leakage is simulated by software and verified by experiment. The methane clouds produced by artificial leakage sources, which are placed at plane and hill terrain, are detected by the equipment on helicopter. The flight height varies between 60 and 150 meter at plane area. Five artificial leakage sources are placed along the West-East Pipeline at hill terrain where flight height varies between 60 and 500 meter. Experiment result shows that airborne detection method is suitable for plane, desert area but unfit for area that has large altitude diversification. The result can be a reference for the long distance transporting pipeline safety management.
Detection of Small Leakage of Long Distance Natural Gas Transporting Pipeline Based on Airborne Laser Equipment
International Conference on Pipelines and Trenchless Technology (ICPTT) 2009 ; 2009 ; Shanghai, China
ICPTT 2009 ; 176-185
2009-09-15
Conference paper
Electronic Resource
English
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