Abstract
During a Reactivity Initiated Accident (RIA) in a boiling water reactor (BWR), rapid power increase might be occurred. In order to evaluate fuel rod integrity properly, it is very important to understand the void fraction behavior under rapid power increase. In this study, test section and X-ray void meter for RIA tests were developed. The test section was composed of 3×3bundle heater, upper and lower electrodes, channel box and pressure vessel. The direct heaters were used for 3×3 bundle in order to simulate rapid power increase during RIA event. Sampling rate for the X-ray void meter was 5 ms. Measuring axial length for the meter was 100mm. The accuracy of the developed void measurement system was verified by acrylic test piece simulating the two-phase flow. As the verification test result, the accuracy of the void meter was about 2%.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
