Development of a CRUD Particle Size Distribution and Its Effect on Cask Source Term and Containment Analysesby C. K. Thornhill, Pacific Northwest Lab, United States,
H. Jordan, Pacific Northwest Lab, United States,
T. Sanders, Pacific Northwest Lab, United States,
W. H. Lake, Pacific Northwest Lab, United States,
Abstract: Spent pressurized-water reactor (PWR) and boiling-water reactor (BWR) fuel rods from three reactors were examined by hot cell periscope, energy dispersive x-ray analysis, and scanning electron micrography. In the case of fuel from the Quad Cities reactor it was possible to develop a complete particle size distribution. It was found to be log-normal, with a median geometric diameter of 3 μm and a standard deviation of 1.87 μm.
Subject Headings: Fuels | Particle size distribution | Nuclear reactors | X rays | Imaging techniques | Urban areas | Water supply systems
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