Heat Transfer during Evaporation of Cesium from Graphite Surface in an Argon Environment

Evgeny Bespala, Ivan Novoselov, Ivan Ushakov

Division for Nuclear-Fuel Cycle

Research output: Contribution to journal › Conference article

Abstract

The article focuses on discussion of problem of graphite radioactive waste formation and accumulation. It is shown that irradiated nuclear graphite being inalienable part of uranium-graphite reactor may contain fission and activation products. Much attention is given to the process of formation of radioactive cesium on the graphite element surface. It is described a process of plasma decontamination of irradiated graphite in inert argon atmosphere. Quasi-one mathematical model is offered, it describes heat transfer process in graphite-cesium-argon system. Article shows results of calculation of temperature field inside the unit cell. Authors determined the factors which influence on temperature change.

Original language	English
Article number	01011
Journal	MATEC Web of Conferences
Volume	72
DOIs	https://doi.org/10.1051/matecconf/20167201011
Publication status	Published - 9 Aug 2016
Event	Heat and Mass Transfer in the System of Thermal Modes of Energy - Technical and Technological Equipment, HMTTSC 2016 - Tomsk, Russian Federation Duration: 19 Apr 2016 → 21 Apr 2016

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ASJC Scopus subject areas

Chemistry(all)
Engineering(all)
Materials Science(all)

Cite this

Bespala, E., Novoselov, I., & Ushakov, I. (2016). Heat Transfer during Evaporation of Cesium from Graphite Surface in an Argon Environment. MATEC Web of Conferences, 72, [01011]. https://doi.org/10.1051/matecconf/20167201011

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AB - The article focuses on discussion of problem of graphite radioactive waste formation and accumulation. It is shown that irradiated nuclear graphite being inalienable part of uranium-graphite reactor may contain fission and activation products. Much attention is given to the process of formation of radioactive cesium on the graphite element surface. It is described a process of plasma decontamination of irradiated graphite in inert argon atmosphere. Quasi-one mathematical model is offered, it describes heat transfer process in graphite-cesium-argon system. Article shows results of calculation of temperature field inside the unit cell. Authors determined the factors which influence on temperature change.

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Access to Document

10.1051/matecconf/20167201011