Asperity-Level Analysis of Graphite Wear and Dust Production in PBRs
Maziar Rostamian
Broschiertes Buch

Asperity-Level Analysis of Graphite Wear and Dust Production in PBRs

NGNP Analytical and Computational Dust Quantification by Modification of Archard Law with nonlinear considerations

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The potential of carbonaceous particulate generation due to frictional contact at the surface of pebbles and the ensuing entrainment into the gas coolant are safety concerns at elevated temperatures under accident scenarios such as air ingress in the high temperature gas-cooled reactor. The safety concerns are due to the documented ability of carbonaceous particulates to adsorb fission products and transport them in the primary circuit of the pebble bed reactor, thus potentially giving rise to a relevant source term under accident scenarios. The computational modeling and simulation, and exper...