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Conference Spotlight
2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
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The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Latest News
Empowering the next generation: ANS’s newest book focuses on careers in nuclear energy
A new career guide for the nuclear energy industry is now available: The Nuclear Empowered Workforce by Earnestine Johnson. Drawing on more than 30 years of experience across 16 nuclear facilities, Johnson offers a practical, insightful look into some of the many career paths available in commercial nuclear power. To mark the release, Johnson sat down with Nuclear News for a wide-ranging conversation about her career, her motivation for writing the book, and her advice for the next generation of nuclear professionals.
When Johnson began her career at engineering services company Stone & Webster, she entered a field still reeling from the effects of the Three Mile Island incident in 1979, nearly 15 years earlier. Her hiring cohort was the first group of new engineering graduates the company had brought on since TMI, a reflection of the industry-wide pause in nuclear construction. Her first long-term assignment—at the Millstone site in Waterford, Conn., helping resolve design issues stemming from TMI—marked the beginning of a long and varied career that spanned positions across the country.
W. A. Houlberg, N. A. Uckan
Fusion Science and Technology | Volume 21 | Number 3 | May 1992 | Pages 1421-1426
International Thermonuclear Experimental Reactor | doi.org/10.13182/FST92-A29921
Articles are hosted by Taylor and Francis Online.
Two reference operational scenarios for the ITER CDA design are examined with the time-dependent 1½-D WHIST transport code: the A1 ignition case and the B1 long-pulse case. Plasma profiles are evaluated self-consistently from the source profiles and radial-dependent transport properties. Among the time-dependent issues addressed are the time scales for startup and shutdown as determined by current profile relaxation rates (skin times), fueling and particle pumping rates, and auxiliary heating and current drive sources. Operational constraints are monitored throughout the simulations: βt, ℓi, , ne(a), etc.
