Search Results - "Joyce, Malcolm J."

Use of Gaussian process regression for radiation mapping of a nuclear reactor with a mobile robot by West, Andrew, Tsitsimpelis, Ioannis, Licata, Mauro, Jazbec, Anz̆e, Snoj, Luka, Joyce, Malcolm J., Lennox, Barry

“…Collection and interpolation of radiation observations is of vital importance to support routine operations in the nuclear sector globally, as well as for…”
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A new ground level neutron monitor for space weather assessment by Aspinall, Michael D., Alton, Tilly L., Binnersley, Cory L., Bradnam, Steven C., Croft, Stephen, Joyce, Malcolm J., Mashao, Dakalo, Packer, Lee W., Turner, Tony, Wild, James A.

“…We report on a new ground-level neutron monitor design for studying cosmic rays and fluxes of solar energetic particles at the Earth’s surface. The…”
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Local and global trace plutonium contributions in fast breeder legacy soils by Tighe, Chris, Castrillejo, Maxi, Christl, Marcus, Degueldre, Claude, Andrew, Jeremy, Semple, Kirk T., Joyce, Malcolm J.

“…Trace-level plutonium in the environment often comprises local and global contributions, and is usually anthropogenic in origin. Here, we report estimates of…”
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Detection of Simulated Fukushima Daichii Fuel Debris Using a Remotely Operated Vehicle at the Naraha Test Facility by Nancekievill, Matthew, Espinosa, Jose, Watson, Simon, Lennox, Barry, Jones, Ashley, Joyce, Malcolm J., Katakura, Jun-ichi, Okumura, Keisuke, Kamada, So, Katoh, Michio, Nishimura, Kazuya

“…The use of robotics in harsh environments, such as nuclear decommissioning, has increased in recent years. Environments such as the Fukushima Daiichi accident…”
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Real-Time Avoidance of Ionising Radiation Using Layered Costmaps for Mobile Robots by West, Andrew, Wright, Thomas, Tsitsimpelis, Ioannis, Groves, Keir, Joyce, Malcolm J, Lennox, Barry

“…Humans in hazardous environments take actions to reduce unnecessary risk, including limiting exposure to radioactive materials where ionising radiation can be…”
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Investigating Artefacts and Repair Mechanisms Associated with α-particle Interactions in Charge Coupled Devices by Newton, Rosie, Scott, Mike J., Joyce, Malcolm J.

“…Charge coupled devices (CCDs) have been shown to have potential for detecting charged particles and other forms of ionising radiation. In particular, the…”
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A review of ground-based robotic systems for the characterization of nuclear environments by Tsitsimpelis, Ioannis, Taylor, C. James, Lennox, Barry, Joyce, Malcolm J.

“…The use of ground-based robotic systems for the characterisation of nuclear environments is reviewed. Almost since the dawn of the nuclear energy industry, man…”
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Producing Useful Chemicals Using a Nuclear Reactor by Plant, Arran George, Najdanovic-Visak, Vesna, Joyce, Malcolm J., Snoj, Luka, Jazbec, Anže

“…In this paper, the irradiation of glycerol and ethylene glycol by either mixed (neutron-γ) or γ-only (γ) fields at the TRIGA reactor of the Jožef Stefan…”
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Fast neutron and γ-ray backscatter radiography for the characterization of corrosion-born defects in oil pipelines by Licata, Mauro, Parker, Helen M. O., Aspinall, Michael D., Bandala, Manuel, Cave, Frank, Conway, Sebastian, Gerta, Domas, Joyce, Malcolm J.

“…In this research, a combined fast-neutron/γ-raybackscatter imaging technique is described. The aim of this work is to understand corrosion defects in pipelines…”
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Reducing sensor complexity for monitoring wind turbine performance using principal component analysis by Wang, Yifei, Ma, Xiandong, Joyce, Malcolm J.

“…Availability and reliability are among the priority concerns for deployment of distributed generation (DG) systems, particularly when operating in a harsh…”
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Evidence and uncertainty for uranium and thorium abundance: A review by Degueldre, Claude, Joyce, Malcolm J.

“…The actinides are thought to have been generated by the rapid neutron capture (r)-process in a supernova at the origin of the solar system (4.6 × 109 an ago)…”
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Time-dependent rheology of starch thickeners and the clinical implications for dysphagia therapy by Dewar, Richard J, Joyce, Malcolm J

“…The viscosity of nonsolid foods and the stability of their viscosity over time is critical in managing dysphagia. The time-dependent viscosity of liquids…”
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Point-Spread Analysis of γ-Ray/Depth Spectra for Borehole Monitoring Applications by Elisio, Soraia C., Bala, Aliyu, Bandala, Manuel, Graham, James, Grievson, Alex, Joyce, Malcolm J.

“…An approach to the analysis of <inline-formula> <tex-math notation="LaTeX">\gamma </tex-math></inline-formula>-ray spectra that might arise as depth profiles…”
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A Digital Method for the Discrimination of Neutrons and \gamma Rays With Organic Scintillation Detectors Using Frequency Gradient Analysis by Guofu Liu, Joyce, Malcolm J, Xiandong Ma, Aspinall, Michael D

“…A digital method for the discrimination of neutron and γ-ray events from an organic scintillator has been investigated by using frequency gradient analysis…”
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The use of ionising radiation to image nuclear fuel: A review by Parker, Helen M. O'D., Joyce, Malcolm J.

“…Imaging of nuclear fuel using radiation has been carried out for decades for a variety of reasons. Two important reasons are Physical Invertory Verification…”
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Remediation of 137Cs contaminated concrete using electrokinetic phenomena and ionic salt washes in nuclear energy contexts by Parker, Andrew J., Joyce, Malcolm J., Boxall, Colin

“…•An electrokinetic remediation treatment of radioactive concrete is proposed.•The treatment combines a KCl wash to ion exchange 137Cs contamination.•Results…”
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Simultaneous, Robot-Compatible γ-Ray Spectroscopy and Imaging of an Operating Nuclear Reactor by Tsitsimpelis, Ioannis, West, Andrew, Licata, Mauro, Aspinall, Michael D., Jazbec, Anze, Snoj, Luka, Martin, Philip A., Lennox, Barry, Joyce, Malcolm J.

“…The design and test of a robot-compatible, radiation detection instrument providing simultaneous <inline-formula> <tex-math notation="LaTeX">\gamma…”
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High-intensity power-resolved radiation imaging of an operational nuclear reactor by Beaumont, Jonathan S., Mellor, Matthew P., Villa, Mario, Joyce, Malcolm J.

“…Knowledge of the neutron distribution in a nuclear reactor is necessary to ensure the safe and efficient burnup of reactor fuel. Currently these measurements…”
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Prediction of Fuel Debris Location in Fukushima Nuclear Power Plant using Machine Learning by Alrawash, Saed, Hale, Matthew F., Lennox, Barry, Joyce, Malcolm J., West, Andrew, Watanabe, Minoru, Zhang, Zhongming, Aspinall, Michael D.

“…Accurate fuel debris location is crucial part of the decommissioning of the Fukushima Nuclear Power plants. Conventional methods face challenges due to extreme…”
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An advanced blind-tube monitoring instrument to improve the characterization of subsurface radioactive plumes by Elísio, Soraia, Joyce, Malcolm J., Graham, James, Greenhalgh, Barrie

“…This research presents a design of a resilient blind-tube radiometric logging probe, which satisfies key, operational site constraints, for direct in-situ…”
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