Analysis of Conditions and Mechanisms for Generation of Explosive Mixtures at an Early Stage of Chornobyl Accident


explosiveness of hydrogen, zirconium-steam reaction, reactor graphite, Chornobyl Nuclear Power Plant

How to Cite

Azarov, S., Sydorenko, V., Ievlanov, V., & Havryliuk, M. (2016). Analysis of Conditions and Mechanisms for Generation of Explosive Mixtures at an Early Stage of Chornobyl Accident. Nuclear and Radiation Safety, (4(72), 39-44.


The paper presents the scenario developed for an early stage of the accident progression to assess impact of highly explosive hydrogen on RBMK-1000 design. It was found out that the ratio between the speed of local generation of gaseous hydrogen and the speed of hydrogen spreading in the vapor-gas medium of the core is the determining factor for the occurrence of conditions of explosive vapor-air mixture in the core.

Obtained data can be used in further studies to model the formation of explosive mixtures in the environment, the amount of air and water vapor in the analysis of explosive vapor-air mixture. Practical calculations make it possible to assess fracture energy and predict the impact on structures.


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