Method for designing the spider spring of a control cluster of a nuclear fuel assembly, corresponding system, computer program and product
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United States of America Patent
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Mar 24, 2009
Grant Date -
Jul 21, 2005
app pub date -
Feb 19, 2003
filing date -
Mar 1, 2002
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Abstract
A method for designing a nuclear fuel assembly, including the steps of establishing a progression of a speed of the control cluster after the impact of the support against the upper end piece, establishing, based on the speed established in step a), a maximum longitudinal load for compression of the spring, and establishing, based on the maximum longitudinal load for compression, at least a maximum shearing stress in the spring.
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