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Conference on Nuclear Training and Education: A Biennial International Forum (CONTE 2023)
February 6–9, 2023
Amelia Island, FL|Omni Amelia Island Resort
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Cs-137 sealed source found in Western Australia
A rendering of the sealed source capsule’s appearance. (Image: DFES)
Australian emergency services has located the lost sealed source, the BBC reported early February 1.
The caesium-137 capsule, part of a density gauge used at Rio Tinto’s Gudai-Darri mine in Western Australia, was found after a survey vehicle travelling at 70 km/h (43 mph) detected radiation, according to the report. According to Australia’s Department of Fire and Emergency Services, the capsule was located on the roadside of the Great Northern Highway, south of Newman. A serial number verified it was the lost source.
[Originally posted January 31, 2023] Authorities are searching 1,400 kilometers (870 miles) of Australia’s Great Northern Highway, between Perth and the remote town of Newman, for a lost sealed-source capsule containing cesium-137. The source was part of a density gauge used by mining company Rio Tinto at its mining operations in Western Australia.
The Department of Fire and Emergency Services (DFES) of Western Australia reported that the density gauge containing a 6-mm-diameter (0.24-inch-diameter) by 8-mm-height (0.31-inch-height) source capsule was sent by flatbed truck to Perth for repair, leaving Rio Tinto’s Gudai-Darri mine site in Western Australia on January 12 and arriving in Perth on January 16. The package containing the gauge, however, was not inspected until January 25.
Upon opening the package, it was found that the gauge was broken apart with one of four mounting bolts missing. The source itself and all screws on the gauge were also missing. It is assumed that vibrations from the truck broke the gauge apart and allowed the screws and capsule to fall through the bolt hole and away from the truck. DFES said they were notified of the loss on the evening of January 25.
Monday, May 16, 2022|3:30–5:15PM EDT|Brighton I/II
Gregory Delipei (NCSU)
Maria Avramova (NCSU)
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General Overview of Multiphysics Modeling and Simulation at CEA/DES/IRESNE Supporting Safety, Operating and Development of Nuclear Reactors and Facilities
Claire Vaglio-Gaudard (CEA), Isabelle Ramiere (CEA), Nathalie Seiler (CEA)
Development of a Calculation Framework Coupling Monte Carlo Neutronics, Subchannel Thermal-Hydraulics and 1.5D Fuel Thermo-Mechanics
Heikki Suikkanen (LUT Univ.), Ville Rintala (LUT Univ.)
Low Level Coupling Scheme Between Neutronics and Thermal-Hydraulics Based on Anderson Acceleration
Robin Delvaux (CEA), Cyril Patricot (CEA), Ansar Calloo (CEA)
Coupling of nTRACER to COBRA-TF for Full Core High-Fidelity Analysis of VVERs
Marianna Papadionysiou (Paul Scherrer Institute), Kim Seongchan (Seoul Nat'l Univ.), Mathieu Hursin (Paul Scherrer Institute), Alexander Vasiliev (Paul Scherrer Institute), Hakim Ferroukhi (Paul Scherrer Institute), Andreas Pautz (Paul Scherrer Institute), Han Gyu Joo (Seoul Nat'l Univ.)
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