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The Education, Training & Workforce Development Division provides communication among the academic, industrial, and governmental communities through the exchange of views and information on matters related to education, training and workforce development in nuclear and radiological science, engineering, and technology. Industry leaders, education and training professionals, and interested students work together through Society-sponsored meetings and publications, to enrich their professional development, to educate the general public, and to advance nuclear and radiological science and engineering.
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Nuclear Science and Engineering
Fusion Science and Technology
Robotic reactor vessel head inspection innovations at Beaver Valley-2
Two critical factors for the success of nuclear industry outages are safety and efficiency. This includes personal and nuclear safety for the team members working on the outage, equipment safety through proper inspections and maintenance, and ultimately public safety when a reactor system is returned to service, free of defects and ready for reliable power production.
Y. Kubota et al. (19P16)
Fusion Science and Technology | Volume 51 | Number 2 | February 2007 | Pages 259-261
Technical Paper | Open Magnetic Systems for Plasma Confinement | dx.doi.org/10.13182/FST07-A1368
Articles are hosted by Taylor and Francis Online.
The development and optimization of the fueling method enable us to increase and sustain the plasma density. In the present plasma experiments, three major ways, which are gas puff, NBI and pellet injection, are used for particle supply to keep or increase the plasma density. In the GAMMA 10 tandem mirror, the study of particle fueling has been carried out in term of high performance plasma production. In the central cell of GAMMA 10, a pellet injector, a neutral beam injector and some gas puffers have been installed. To clarify the feature of particle fueling method and compare with each other, the calculation with simple slab model is applied to the experimental results, and the effects of the particle fueling method on the plasma parameters are compared experimentally. As the results, it is found that the change of the electron density and H line emission profiles caused by pellet injection has the peak near the center of the plasma and the change of the density and temperature occurs quickly. The change of the plasma parameters caused by the gas puff mainly occurs in the peripheral region of the injection side. And the change of the plasma profiles occurs in core region of the plasma and the plasma temperature is sustained during several ms when the particles are fueled by the neutral beam injection.