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http://dx.doi.org/10.5516/NET.03.2014.022

DEVELOPMENT AND VALIDATION OF THE AEROSOL TRANSPORT MODULE GAMMA-FP FOR EVALUATING RADIOACTIVE FISSION PRODUCT SOURCE TERMS IN A VHTR  

Yoon, Churl (Korea Atomic Energy Research Institute)
Lim, Hong Sik (Korea Atomic Energy Research Institute)
Publication Information
Nuclear Engineering and Technology / v.46, no.6, 2014 , pp. 825-836 More about this Journal
Abstract
Predicting radioactive fission product (FP) behaviors in the reactor coolant system and the containment of a nuclear power plant (NPP) is one of the major concerns in the field of reactor safety, since the amount of radioactive FP released into the environment during the postulated accident sequences is one of the major regulatory issues. Radioactive FPs circulating in the primary coolant loop and released into the containment are basically in the form of gas or aerosol. In this study, a multi-component and multi-sectional analysis module for aerosol fission products has been developed based on the MAEROS model [1,2], and the aerosol transport model has been developed and verified against an analytic solution. The deposition of aerosol FPs to the surrounding structural surfaces is modeled with recent research achievements. The developed aerosol analysis model has been successfully validated against the STORM SR-11 experimental data [3], which is International Standard Problem No. 40. Future studies include the development of the resuspension, growth, and chemical reaction models of aerosol fission products.
Keywords
VHTR; Fission Product; Aerosol; Transport; Deposition; MAEROS;
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Times Cited By KSCI : 1  (Citation Analysis)
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