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Latest News
NRC adopts ROP updates
The Nuclear Regulatory Commission has approved a significant overhaul of its Reactor Oversight Process (ROP) baseline inspection program that stresses a leaner, more risk-focused inspection process.
This adoption comes just over a month after NRC officials published their findings on the proposed ROP changes. The changes would reduce the number of hours spent annually on direct inspections at U.S. nuclear power plants by 38 percent.
N. Ohyabu, A. Komori, A. Sagara, H. Suzuki, T. Morisaki, S. Masuzaki, T. Watanabe, N. Noda, O. Motojima
Fusion Science and Technology | Volume 30 | Number 3 | December 1996 | Pages 699-705
Divertor Design and Experiments | doi.org/10.13182/FST96-A11963018
Articles are hosted by Taylor and Francis Online.
LHD divertor development program has generated various innovative divertor concepts and technologies which will help to improve the plasma performance in both helical and tokamak devices. They are two divertor operational scenarios (confinement improvement by generating high temperature divertor plasma and simultaneous achievement of radiative cooling and H-mode-like confinement improvement). Local island divertor geometry has also been proposed. This new divertor has been successfully tested in the CHS device and is planned to be installed in the LHD device. In addition, technological development of new efficient hydrogen pumping schemes (carbon sheet pump and membrane pump) are being pursued for enhancement of the divertor control capability.