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2021 Student Conference
April 8–10, 2021
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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.
T. A. Heltemes, G. A. Moses
Fusion Science and Technology | Volume 52 | Number 4 | November 2007 | Pages 927-931
Technical Paper | Inertial Fusion Technology: Drivers and Advanced Designs | dx.doi.org/10.13182/FST07-A1612
Articles are hosted by Taylor and Francis Online.
The introduction of magnetic cusp fields into the High Average Power Laser (HAPL) reactor design is to prevent target ions from interacting with the armor layer. Diverting the ions and preventing their impact on the chamber armor eases thermal design constraints considerably. The BUCKY code was used to simulate thermal loads for the candidate armor materials tungsten and silicon carbide.Parametric analysis was done to ascertain the peak temperature rise in the armor due to X-rays from the HAPL target thermonuclear ignition. Temperature values as a function of chamber armor radius were obtained using initial conditions of T0 = 600 °C and xenon buffer gas pressures of 66.7, 666.7 and 6666.1 mPa (0.5, 5 and 50 mTorr). The armor radius was decreased until thermal thresholds were met (2400 °C and 1000 °C for tungsten and silicon carbide, respectively) to determine the minimum allowable radius of the HAPL chamber.A second set of parametric simulations were performed at xenon gas initial pressures of 666.7 and 6666.1 mPa (5 and 50 mTorr) and temperature of 600°C to a time of 5 ms to observe the effect of re-radiation from the buffer gas on the surface temperature of tungsten and silicon carbide.