On the possibility of the self-sustaining nuclear chain reaction inside the "Shelter" object at the present time

Author:

Pavlovych V.M., ,Babenko V.A.,

Abstract

Based on new modern data regarding the state of the fuel-containing masses (FCM) of the "Shelter", as well as taking into account the neutron incident of 1990 and the physical properties of the FCM of the "Shelter", the possibility of the occurrence and development of a self-sustaining chain nuclear fission reaction was considered in the FCM. It is shown that the drying of the FCM can lead to the occurrence of a single neutron burst with an amplitude comparable to the amplitude of neutron oscillations in 1990. It is also shown that the amplitude of the burst can be reduced if the rate of drying of the FCM is increased. The evaluations show that such a burst would have no impact on the environment.

Publisher

National Academy of Sciences of Ukraine (Co. LTD Ukrinformnauka) (Publications)

Subject

Nuclear and High Energy Physics

Reference9 articles.

1. 1. E.D. Vysotskiy et al. Neutron-physical characteristics of nuclear dangerous accumulations of fuel contained materials. Problemy Bezpeky Atomnykh Elektrostantsii i Chornobylya 12 (2009) 93. (Rus) https://www.ispnpp.kiev.ua/wp-content/uploads/2017/2009_12/c93.pdf

2. 2. E.D. Vysotskii et al. Nuclear-hazardous accumulations of fuel-containing materials in the destroyed fourth Unit of the Chernobyl NPP. Radiochemistry 53(2) (2011) 206. https://doi.org/10.1134/S1066362211020160

3. 3. A.A. Borovoy et al. Analysis of the current safety of the "Shelter" object and predictive assessments of the development of the situation. Research report. ISTC "Shelter" of the National Academy of Sciences of Ukraine. Arch. No. 3836. (Chornobyl, 2001) 337 p. (Rus)

4. 4. V.A. Babenko et al. Fuel-Containing Masses of Chernobyl Unit 4: Multiplying Properties and Neutron Characteristics. Nucl. Sci. Eng. 133(3) (1999) 301. https://doi.org/10.13182/NSE99-A2090

5. 5. V.A. Babenko et al. Investigation of multiplying properties of the fuel-containing masses in the 4-th unit of Chernobyl NPP. Preprint KIYI-97-1 (Kyiv, Institute for Nuclear Research of NASU, 1997) 30 p. (Rus) https://inis.iaea.org/search/search.aspx?orig_q=RN:28061992

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