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Science and Technology of Nuclear Installations
Volume 2015, Article ID 703069, 23 pages
Research Article

On Some Fundamental Peculiarities of the Traveling Wave Reactor

1Odessa National Polytechnic University, Shevchenko Avenue 1, Odessa 65044, Ukraine
2State Ecological Academy for Postgraduate Education and Management, 35 Mytropolyt Vasyl Lypkivskyi Street, Kyiv 03035, Ukraine

Received 24 October 2014; Accepted 5 February 2015

Academic Editor: Michael I. Ojovan

Copyright © 2015 V. D. Rusov et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


On the basis of the condition for nuclear burning wave existence in the neutron-multiplying media (U-Pu and Th-U cycles) we show the possibility of surmounting the so-called dpa-parameter problem and suggest an algorithm of the optimal nuclear burning wave mode adjustment, which is supposed to yield the wave parameters (fluence/neutron flux, width and speed of nuclear burning wave) that satisfy the dpa-condition associated with the tolerable level of the reactor materials radioactive stability, in particular that of the cladding materials. It is shown for the first time that the capture and fission cross sections of 238U and 239Pu increase with temperature within 1000–3000 K range, which under certain conditions may lead to a global loss of the nuclear burning wave stability. Some variants of the possible stability loss due to the so-called blow-up modes (anomalous nuclear fuel temperature and neutron flow evolution) are discussed and are found to possibly become a reason for a trivial violation of the traveling wave reactor internal safety.