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Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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NRC cuts fees by 50 percent for advanced reactor applicants
The Nuclear Regulatory Commission has announced it has amended regulations for the licensing, inspection, special projects, and annual fees it will charge applicants and licensees for fiscal year 2025.
E. Laggiard, J. Runkel, D. Stegemann
Nuclear Science and Engineering | Volume 120 | Number 2 | June 1995 | Pages 124-135
Technical Paper | doi.org/10.13182/NSE95-A24113
Articles are hosted by Taylor and Francis Online.
The vibration and impacting of an instrument tube against the surrounding fuel boxes in a boiling water reactor (BWR) was studied by means of a three-dimensional, one-modal model. The transfer of the tube displacements to neutron fluctuations of the fission chamber-instrument tube assemblies was calculated by employing the adjoint function technique and utilizing a two-dimensional, two-group diffusion theory. The results were used to interpret the particular measured noise spectra of an instrument tube in the 1300-MW Gundremmingen C BWR. The root-mean-square of the displacements was estimated from the experimental neutron data.
