Sensors UK drone scans for nuclear leaks

Sensors UK drone scans for nuclear leaks

2013/11/15

University of Bristol researchers have unveiled a large semi-autonomous drone “which could be used to provide visual, thermal and radiation monitoring of radiation after a release of nuclear material”, said the University.

Jointly funded by the Engineering and Physical Sciences Research Council and Sellafield, it is intended to avoid some of the problems that occured at the Fukishima disaster where, according to the University, as well as causing the reactors to fail, “the inundation also disabled 23 of the 24 radiation monitoring stations surrounding the site, leaving disaster response teams effectively ‘blind’ to the ensuing radiation hazard. Helicopter-based activities including monitoring were conducted at the risk of significant radiation exposure to the crews because a suitable alternative was not available.”

Called the Arm system, it has been built by two members of Bristol’s Interface Analysis Centre (IAC), Dr Oliver Payton and Dr James Macfarlane, around using unmanned aerial vehicles (UAV) with on-board computers and sensors.

In demonstrations to observers from Sellafield and the National Nuclear Laboratory, said Bristol, over the past six months the team has radiation mapped radioactively contaminated sites in south west Romania as well as a naturally-occurring radiation anomaly in Cornwall, in rain, snow and high winds.

“By using light-weight and low-cost unmanned aerial vehicles systems, we can immediately and remotely determine the spread and intensity of radiation following any such event. The systems have sufficient in-built intelligence to deploy them following an incident and are effectively disposable if they become contaminated,” said IAC director Dr Tom Scott, adding: “Concurrently with project Riser, which is developing micro-unmanned aerial vehicles for the indoor mapping of radiation, we have developed an outdoors system that is now ready for commercial deployment.”

The technology is to be offered to Japan as a tool for surveying the ongoing Fukishima clean-up.

The team is also working on UAV mapping and exploration algorithms for detecting buried explosives and depleted uranium ordinance.

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