Interaction of Reactor Materials with Water Vapor and Oxygen

Authors

  • L.P. Gal’chinetskii Institute for Scintillation Materials, NAS of Ukraine, Kharkiv
  • B.V. Grinyov Institute for Scintillation Materials, NAS of Ukraine, Kharkiv
  • A.Y. Dulfan National Technical University "KPI", Kharkiv

DOI:

https://doi.org/10.15407/scin9.03.005

Keywords:

zirconium, iron, graphite, the reaction with water vapor, hydrogen, oxygen, nitrogen.

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.

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Published

2024-06-10

Issue

Section

Scientific Framework of Innovation Activities