Title: The Effect of Structural Mechanics on the Simulation of Melting Nuclear Fuel
Authors: WELLAND MICHAEL
Citation: Proceedings of the International Youth Nuclear Congress 2010 p. 109.1 -109.13
Publisher: International Youth Nuclear Congress 2010
Publication Year: 2010
JRC N°: JRC59867
URI: http://www.iync.org/media-center.html?func=startdown&id=162
http://publications.jrc.ec.europa.eu/repository/handle/JRC59867
Type: Articles in periodicals and books
Abstract: A phase-field model is developed which simulates fast laser flash melting experiments. Relevant phenomena include heat transport, structural mechanics and phase stability. Internal stresses in excess of 9 GPa are predicted. The local state of strain is shown to have a large effect on the thermophysical properties, reducing the solid heat capacity due to partial constriction of the solid. The release of the solid from the compressed state upon melting increases the effective energy of fusion to approximately 170 % of the enthalpy of fusion.
JRC Directorate:Nuclear Safety and Security

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