978-613-9-87801-7

High-flux lead reactors with average neutron energies up to 1 MeV

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Summary:

The book is dedicated to the problems of creating special nuclear reactors with a very hard neutron spectrum in the core in order to incinerate long-lived toxic minor actinides. The requirements for obtaining a hard neutron spectrum in the core of the reactor lead to the need to use nuclear fuel and a coolant that slow moderate neutrons. Metallic fuel should be used as a fuel, and as a coolant, natural lead, whose isotopic composition accounts for the fraction (52.3%) of the slow-moderating Pb-208 isotope. An even more harder neutron spectrum can be obtained in the case of using a coolant based on enriched at gas centrifuges Pb-208 or radiogenic Pb-208 extracted from lead-rich thorium ores. The next condition leading to a hard neutron spectrum is the small core, D x H ≈ 0.5 x 0.5 meters, in which the initial neutron fission spectra of U-235, Pu-239, Pu-241 are not strongly changed. The latter requirement means that reactors on hard neutrons should be classified as small-scale power reactors, within which their thermal capacity of reactors does not exceed a value of the order of 200-300 MW.

Author:

Georgy Levanovich Khorasanov

Biographie:

Georgy Levanovich Khorasanov is a researcher in the Nuclear Power Engineering, in the field of small power lead reactors with neutron energies up to 1 MeV. Editor of the Book dedicated to the coolant consisted from lead enriched with the Pb-208 isotope and the author of more than 200 publications. Associate Professor of the MEPhI University, RF.

Number of Pages:

56

Book language:

English

Published On:

2018-07-18

ISBN:

978-613-9-87801-7

Publishing House:

LAP LAMBERT Academic Publishing

Keywords:

nuclear power engineering, small power reactors, hard neutron spectrum, lead coolant, metallic fuel

Product category:

SCIENCE / Nuclear Physics