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Accession number;06A0802643
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| Title;Development of a Source Term Estimation Method for Nuclear Emergency by Long-range Atmospheric Dispersion Simulations |
| Author;
FURUNO AKIKO
(Nihongenshiryokukenkyukaihatsukiko)
CHINO MASAMICHI
(Nihongenshiryokukenkyukaihatsukiko)
YAMAZAWA HIROMI
(Nagoya Univ., Graduate School of Engineering, JPN)
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Journal Title;Transactions of the Atomic Energy Society of Japan
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Journal Code:L4596A
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ISSN:1347-2879
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VOL.5;NO.3;PAGE.229-240(2006)
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| Figure&Table&Reference;FIG.12, TBL.3, REF.20 |
| Pub. Country;Japan |
| Language;Japanese |
| Abstract;This paper describes a method of estimating source term, i.e., location, period and amount of atmospheric release of radioactive material in real-time during nuclear emergency. This method consists of: (1) trial simulations of atmospheric dispersions on the possible combinations of these parameters and (2) statistical comparison of model predictions with off-site measurements of air concentrations of radionuclides and/or air dose rates from monitoring stations, to find a set of release condition providing model prediction that fits best to the measurement. A parallel execution method for efficiently processing many possible initial conditions is also developed. The performance of this method is favorably evaluated by a verification study using the dataset from European Tracer Experiment. (author abst.) |
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