Modeling of processing of irradiated graphite contained fission and neutron-activation products by noble gas flow

Evgeny Bespala, Alexander Pavliuk, Sergey Kotlyarevskiy, Ivan Novoselov, Yuliya Bespala

Результат исследований: Материалы для книги/типы отчетовМатериалы для конференции

Аннотация

The paper discusses questions dedicated accumulation of graphite radioactive waste generated during commissioning of uranium-graphite nuclear reactor. Authors determine character of contamination of irradiated graphite by different radionuclides (especially 1 37 Cs, 60 Co, 90 Sr) using autoradiographic methods and by means of electron microscope (scanning electron microscope - analysis). It has been obtained images of polished section of irradiated graphite in back-scattered electrons. Authors suggest the method of thermal decontamination of irradiated graphite surface by noble gas flow for the purpose of potential hazard reduction of graphite radioactive waste. The developed mathematical model of thermal decontamination of irradiated graphite subject to Wigner energy release under radiation defect annealing has been demonstrated in paper. The article represents laws reflecting dependence of recession velocity of radioactive contamination of graphite radioactive waste and different parameters of process subject to Wigner energy release.

Язык оригиналаАнглийский
Название основной публикацииV International Conference for Young Scientists, Post-Graduate Students and Students �Isotopes
Подзаголовок основной публикацииTechnologies, Materials and Application�, ITMA 2018
РедакторыGagik Ashot Martoyan, Anna Godymchuk, Liudmyla Rieznichenko
ИздательAmerican Institute of Physics Inc.
ISBN (электронное издание)9780735418318
DOI
СостояниеОпубликовано - 18 апр 2019
Событие5th International Conference for Young Scientists, Post-Graduate Students and Students on Isotopes: Technologies, Materials and Application, ITMA 2018 - Tomsk, Российская Федерация
Продолжительность: 19 ноя 201823 ноя 2018

Серия публикаций

НазваниеAIP Conference Proceedings
Том2101
ISSN (печатное издание)0094-243X
ISSN (электронное издание)1551-7616

Конференция

Конференция5th International Conference for Young Scientists, Post-Graduate Students and Students on Isotopes: Technologies, Materials and Application, ITMA 2018
СтранаРоссийская Федерация
ГородTomsk
Период19.11.1823.11.18

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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  • Цитировать

    Bespala, E., Pavliuk, A., Kotlyarevskiy, S., Novoselov, I., & Bespala, Y. (2019). Modeling of processing of irradiated graphite contained fission and neutron-activation products by noble gas flow. В G. A. Martoyan, A. Godymchuk, & L. Rieznichenko (Ред.), V International Conference for Young Scientists, Post-Graduate Students and Students �Isotopes: Technologies, Materials and Application�, ITMA 2018 [020004] (AIP Conference Proceedings; Том 2101). American Institute of Physics Inc.. https://doi.org/10.1063/1.5099596