Radiation monitoring: ORNL builds sensors to detect nuclear material in fuel facilities

[Marlin]

Radiation monitoring: ORNL builds sensors to detect nuclear material in fuel facilities

https://interestingengineering.com/innovation/ornl-plastic-sensors-nuclear-monitoring

[Core Content]

ORNL develops new sensor to detect nuclear material in fuel facilities

Researchers at Oak Ridge National Laboratory created a compact radiation detector designed to monitor uranium dust buildup inside facility ventilation ducts. The device straps directly onto ductwork to provide continuous real-time data using inexpensive plastic scintillating crystals. This automated system replaces manual inspections, helping facilities lower monitoring costs while improving worker safety and material security.

ORNL has developed a compact radiation detector for continuous, real-time monitoring of nuclear material buildup in facility air ducts.

Oak Ridge National Laboratory (ORNL) has developed a compact, low-cost radiation detector for continuous, real-time monitoring of nuclear material buildup in facility air ducts. It has been designed to replace slow, manual inspection methods with an affordable, automated system. The device is basically an automated cylinder that straps directly onto ventilation ducts to provide continuous, real-time radiation monitoring.

Read the full article at Interesting Engineering:
https://interestingengineering.com/innovation/ornl-plastic-sensors-nuclear-monitoring

[S T I G]

Just to be clear: I love this work and fully support the team. We need to keep pushing this research 100%. It's definitely cool tech, but there are a couple of realistic concerns I have about how this would actually work:

Calibration & Maintenance: The write up reads like this system will never need calibration, source checks, or maintenance a claim I haven't seen in real RadCon work at a DOE facility. In practice, anything documented for safety regarding instrument detection always includes routine checks and upkeep.

The Scenario: The idea of a threat actor sneaking into a heavily contaminated vent, sucking up uranium with a standard Black & Decker vacuum, and walking away undetected without any health risk feels a bit far fetched for most DOE facilities. It just doesn't align with how secure and monitored these sites are.

I'm all for this kind of research, but I think they're selling it a little high right now. There's a reason safety-grade radiological detection gear isn't cheap it has to meet high standards. Still, I love that they're working on it, and I wish them the best of luck.

[S T I G]

Also, I'm sorry, but this is just plain wrong and also contradicts itself a bit:

Project lead Brett Witherspoon explains that the device merges low-power, historical analog processing with secure, modern digital microcontrollers. Replacing bulky vacuum tubes with compact silicon photomultipliers gives the detector superior temperature resistance and reduces its overall size and cost.

Using a plastic crystal priced at just one or two dollars instead of other $1,000 to $10,000 alternatives enables nuclear facilities to deploy widespread radiation monitoring far more affordably.

"This is a thousand times more affordable than current technology, while the purpose-built design offers a more accurate, user-friendly, and financially beneficial alternative for nuclear facilities," said Callie Goetz, who is the overall project lead. "These devices will make nuclear facilities safer and more efficient as it reduce their regulatory burden."


More accurate than current stack monitoring equipment and mondern day CAM's and Site Wide Dose monitoring equipment?! NO WAY

Also, it could definitely be cheaper in the short term but way wayyyyy more expensive in the long run if any of those suckers fail while being heavily relied upon

I see this being a good potential alternative for small research startups with very very low budgets.