Nauka innov. 2013, 9(3):5-12
https://doi.org/10.15407/scin9.03.005

L.P. Gal’chinetskii1, B.V. Grinyov1, A.Y. Dulfan2
1 Institute for Scintillation Materials, NAS of Ukraine, Kharkiv
2 National Technical University "KPI", Kharkiv

 

Interaction of Reactor Materials with Water Vapor and Oxygen

Section: Scientific Basis of Innovation Activity
Language: Russian
Abstract: Thermodynamics of the interaction of reactor materials (zirconium, iron, graphite) with water vapor has been analyzed. Taking into account kinetic factors it was shown that participation of oxygen in these processes leads to exothermic nature and sharp increase in the intensity of reactions, the products of which are explosive gases, firstly hydrogen. To reduce the rate of reactions with hydrogen release, reactor heating, and prevent the danger of explosive mixtures of hydrogen and oxygen, it is offered to blow the surface of reactor interaction elements containing water vapor and oxygen by nitrogen gas.
Key words: zirconium, iron, graphite, the reaction with water vapor, hydrogen, oxygen, nitrogen.

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