3-D virtual analysis system to analyze the motion of Control Rod Drive Mechanism (CRDM) was developed. The analysis system consists of 3-D model established per the actual dimensions and interfaces of CRDM parts and a routine to calculate forces acting on the mechanism, and was verified by mock-up test using equipment same to actual product. The analysis system is useful for functional evaluation in maintenance or to factor out root causes in case of malfunction of CRDM.

Volume Subject Area:
Component Reliability and Materials Issues
Topics:
Dimensions, Maintenance, Pressurized water reactors, Simulation analysis, Three-dimensional models
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Copyright © 2006
 by ASME
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