vestiftИзвестия Национальной академии наук Беларуси. Серия физико-технических наукProceedings of the National Academy of Sciences of Belarus. Physical-technical series1561-83582524-244XThe Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"10.29235/1561-8358-2022-67-2-250-256vestift-742Research ArticleДИАГНОСТИКА И БЕЗОПАСНОСТЬ ТЕХНИЧЕСКИХ И ПРИРОДНЫХ СИСТЕМDIAGNOSTICS AND SAFETY OF TECHNICAL AND ENVIRONMENT SYSTEMSИспользование численной модели прогноза погоды WRF при моделировании развития аварийных ситуаций на Белорусской АЭСThe use of the WRF numerical weather forecasting model in mode ling emergency situations at Belarusian NPPШамынаА. Ю.ShamynaA. Yu.

Шамына Артем Юрьевич – магистр технических наук, старший преподаватель

ул. Гикало, 9, 220013, Минск

Artsiom Yu. Shamyna – Master of Engineering, Senior Lecturer

9, Gikalo Str., 220013, Minsk

shamyna@bsuir.byЛабохаА. К.LabokhaA. K.

Лабоха Александр Константинович – магистр, ассистент

ул. Гикало, 9, 220013, Минск

Alexandr K. Labokha – Master, Assistant

9, Gikalo Str., 220013, Minsk

labokha.poit@bsuir.byАрдякоА. Д.ArdziakaA. D.

Ардяко Алексей Дмитриевич – аспирант

ул. Гикало, 9, 220013, Минск

Aliaksei D. Ardziaka – Ph. D. student

9, Gikalo Str., 220013, Minsk

ardyakon@gmail.comБелорусский государственный университет информатики и радиоэлектроникиBelarusian State University of Informatics and Radioelectronics202202072022672250256Copyright © Шамына А.Ю., Лабоха А.К., Ардяко А.Д., 20222022Шамына А.Ю., Лабоха А.К., Ардяко А.Д.Shamyna A.Y., Labokha A.K., Ardziaka A.D.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://vestift.belnauka.by/jour/article/view/742

Рассмотрена возможность использования численной модели прогноза погоды Weather Research and Forecasting (WRF) как источника метеорологических данных при моделировании переноса радиоактивных веществ в атмосфере, обозначены технические детали использования WRF. Для моделирования аварийной ситуации был выбран сценарий максимальной проектной аварии, гипотетически произошедшей в 12.00 на Белорусской АЭС (БелАЭС) 21 марта 2021. Четыре численных эксперимента с метеорологическими данными Global Forecast System (GFS) и WRF и моделями атмосферной диффузии RIMPUFF и LASAT были выполнены в системах поддержки принятия решений JRODOS. Для каждого эксперимента созданы карты потенциального радиоактивного загрязнения подстилающей поверхности I131. Проанализировано потенциальное загрязнение подстилающей поверхности I131 на расстоянии от 5 до 100 км от БелАЭС. Построен график зависимости максимального загрязнения I131 подстилающей поверхности от расстояния от БелАЭС для проведенных экспериментов. Полученные результаты свидетельствуют о перспективности использования метеорологической модели WRF в системах поддержки принятия решений на различных стадиях развития аварийных ситуации на БелАЭС.

The expediency of using Weather Research and Forecasting (WRF) numerical weather forecast model as a source of meteorological data during modeling of radioactive substances transfer in the atmosphere is considered, WRF technical details are briefly described. As the reference emergency scenario, the scenario of the maximum design accident hypothetically occurring at Belarusian Nuclear Power Plant (BelNPP) 12 UTC 21.03.2021 was chosen. Four numerical experiments with Global Forecast System (GFS) and WRF meteorological data and RIMPUFF and LASAT atmospheric diffusion models were performed in JRODOS Decision Support Systems (DSS). For each experiment, maps of underlying surface potential radioactive contamination of I131 were created. The potential contamination of the underlying surface I131 from 5 to 100 km from the BelNPP was assessed. The dependency graph of the maximum underlying surface contamination with I131 on the distance from the BelNPP was plotted based on the experiments results. The obtained results indicate the prospects of using the WRF meteorological model in the DSS at various stages of the emergency situations development at the BelNPP. 

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The authors declare that there are no conflicts of interest present.