'Holy grail of leak detection': Researchers develop drone technique to tackle emissions

The laser-based sensing system can localize the emissions source to within a meter and correctly detect and quantify major"Current approaches for detecting leaks often rely on handheld infrared cameras that are labor-intensive to operate and insensitive to small leaks, said"They use methods that require setting up extensive measurement infrastructure ahead of time."

"But with a drone, you are completely free in how you are able to set up your sensing area," he added. The system can as well detect leakage up to 25 times smaller than those generally found at natural gas facilities using conventional technologies. Remote sensing capabilities of lasers and drone agility is the core of this new technology, which makes it simple to find leaks in difficult-to-access regions that would otherwise go undetected.The new strategy uses a small drone that is merely equipped with a retroreflector, a kind of mirror that reflects incoming light back toward its source, and a base station with gas-detecting apparatus that can follow the drone's movements while it is in flight.

The approach allows users to attach pricey gas-sensing components onto a transportable platform, like a van, in contrast to conventional drone-based techniques that call for mounting gas sensors directly onto a drone.

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