Research on airborne infrared leakage detection of natural gas pipeline
2011
An airborne laser remote sensing technology is proposed to detect natural gas pipeline leakage in helicopter which
carrying a detector, and the detector can detect a high spatial resolution of trace of methane on the ground. The principle
of the airborne laser remote sensing system is based on tunable diode laser absorption spectroscopy (TDLAS). The
system consists of an optical unit containing the laser, camera, helicopter mount, electronic unit with DGPS antenna, a
notebook computer and a pilot monitor. And the system is mounted on a helicopter. The principle and the architecture of
the airborne laser remote sensing system are presented. Field test experiments are carried out on West-East Natural Gas
Pipeline of China, and the results show that airborne detection method is suitable for detecting gas leak of pipeline on
plain, desert, hills but unfit for the area with large altitude diversification.
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