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Conference Spotlight
Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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Ho Nieh nominated to the NRC
Nieh
President Trump recently nominated Ho Nieh for the role of commissioner in the Nuclear Regulatory Commission through the remainder of a term that will expire June 30, 2029.
Nieh has been the vice president of regulatory affairs at Southern Nuclear since 2021, though he is currently working as a loaned executive at the Institute of Nuclear Power Operations, where he has been for more than a year.
Nieh’s experience: Nieh started his career at the Knolls Atomic Power Laboratory, where he worked primarily as a nuclear plant engineer and contributed as a civilian instructor in the U.S. Navy’s Nuclear Power Program.
From there, he joined the NRC in 1997 as a project engineer. In more than 19 years of service at the organization, he served in a variety of key leadership roles, including division director of Reactor Projects, division director of Inspection and Regional Support, and director of the Office of Nuclear Reactor Regulation.
M. Broc, J. Sannier, G. Santarini
Nuclear Technology | Volume 63 | Number 2 | November 1983 | Pages 197-208
Technical Paper | Fission Reactor | doi.org/10.13182/NT83-A33280
Articles are hosted by Taylor and Francis Online.
A set of experimental studies is presented as a first approach to the problems that liquid-lead circuits might pose in the molten salt reactor design with cooling by direct contact between the salt and this liquid metal. Technologically it appears that the components of circuits developed for the use of liquid sodium in fast neutron breeder reactors (valves, electromagnetic pumps and flowmeters, pressure transducers, and cold traps) can be used in the presence of liquid lead, though with certain restrictions. Where corrosion is concerned, ferritic steels, although subject to mass transfer phenomena, are much more resistant than austenitic steels at the temperatures currently adopted in the molten salt reactor design. Finally, liquid lead could have a slight embrittling effect on ferritic steels, but this phenomenon needs to be checked more thoroughly.
