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The mission of the Nuclear Nonproliferation Policy Division (NNPD) is to promote the peaceful use of nuclear technology while simultaneously preventing the diversion and misuse of nuclear material and technology through appropriate safeguards and security, and promotion of nuclear nonproliferation policies. To achieve this mission, the objectives of the NNPD are to: Promote policy that discourages the proliferation of nuclear technology and material to inappropriate entities. Provide information to ANS members, the technical community at large, opinion leaders, and decision makers to improve their understanding of nuclear nonproliferation issues. Become a recognized technical resource on nuclear nonproliferation, safeguards, and security issues. Serve as the integration and coordination body for nuclear nonproliferation activities for the ANS. Work cooperatively with other ANS divisions to achieve these objective nonproliferation policies.
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Fusion Science and Technology
NC State celebrates 70 years of nuclear engineering education
An early picture of the research reactor building on the North Carolina State University campus. The Department of Nuclear Engineering is celebrating the 70th anniversary of its nuclear engineering curriculum in 2020–2021. Photo: North Carolina State University
The Department of Nuclear Engineering at North Carolina State University has spent the 2020–2021 academic year celebrating the 70th anniversary of its becoming the first U.S. university to establish a nuclear engineering curriculum. It started in 1950, when Clifford Beck, then of Oak Ridge, Tenn., obtained support from NC State’s dean of engineering, Harold Lampe, to build the nation’s first university nuclear reactor and, in conjunction, establish an educational curriculum dedicated to nuclear engineering.
The department, host to the 2021 ANS Virtual Student Conference, scheduled for April 8–10, now features 23 tenure/tenure-track faculty and three research faculty members. “What a journey for the first nuclear engineering curriculum in the nation,” said Kostadin Ivanov, professor and department head.
B. Pégourié, A. Géraud, Tore Supra Team
Fusion Science and Technology | Volume 56 | Number 3 | October 2009 | Pages 1318-1333
Technical Papers | Tore Supra Special Issue | dx.doi.org/10.13182/FST09-A9180
Articles are hosted by Taylor and Francis Online.
Particle control is an essential requirement for long-pulse operation. Besides steady-state particle exhaust, the complementary key element is particle fueling. Three fueling methods are currently used in Tore Supra: conventional gas puffing, supersonic molecular beam injection, and pellet injection. In addition to a technical description of the corresponding systems, this paper presents an overview of different studies characterizing these methods in terms of fueling efficiency and ability to fuel long discharges or to obtain high-density plasmas with no confinement degradation. An analysis of the interaction between the plasma and the pellet or supersonic beam is also given, including the physics of the homogenization of the deposited particles in the background plasma (importance of the edge cooling and of the [nabla]B-induced displacement) or the transport-induced modification for deep-matter penetration (triggering of an improved confinement phase or, conversely, of a sawtooth crash when a pellet crosses the q = 1 surface).