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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.
Tai T. Pham, Mohamed S. El-Genk
Nuclear Science and Engineering | Volume 166 | Number 1 | September 2010 | Pages 58-72
Technical Note | dx.doi.org/10.13182/NSE09-29TN
Articles are hosted by Taylor and Francis Online.
This paper investigates the interaction of monoenergetic, 100-MeV protons with aluminum, enriched B4C, and C29H28O8 polymer and their effectiveness for shielding silicon-based electronics. Although not representative of an actual space radiation energy spectrum, the 100-MeV protons are suitable to investigate important modes of interaction with potential shielding materials, including the production and attenuation of secondary particles. The calculated shielding effectiveness of these materials is compared with that of the lunar regolith. The components of the total energy deposition in a 1-cm-diam sphere of silicon, representing an electronic device, are calculated as functions of the type and thickness of the shield material. The major contributors to the displacement energy deposition in the silicon sphere are by far the incident protons and the secondary protons and neutrons generated in the spallation reactions of incident protons with the nuclei of the elements in the shield materials. The primary and secondary protons are also the major contributors to the ionizing energy deposition, which is several orders of magnitude higher than the displacement energy deposition; other secondary particles contribute minimally (<5%). While the regolith is an effective shielding material, the C29H28O8 polymer is best for protecting electronics from incident high-energy protons.