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Advances in Nuclear Energy
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Advances in Nuclear Energy

A special issue of Energies (ISSN 1996-1073).

Deadline for manuscript submissions: closed (31 May 2011) | Viewed by 14734

Special Issue Editor

Prof. Dr. Tatjana Jevremovic

E-Mail Website
Guest Editor
College of Engineering, The University of Utah, 2298 MEB, 50 South Central Drive, Salt Lake City, UT 84112, USA

Special Issue Information

Dear Colleagues,

The Special Issue "Advances in Nuclear Energy" is devoted to new developments and advanced concepts in the nuclear energy and applications. In recent years of nuclear renaissance the articles of particular interest should deal with advanced nuclear energy concepts, new research in the areas of nuclear energy development and deployment, and specific areas such as: advanced computational approaches with advanced visualizations in nuclear simulations, the use of numerical models in construction, siting and operation as well as design of nuclear power plants, transition from research to power nuclear reactors for model-scaling and simulation tools benchmarking, inventions in the areas of new materials for prolonging the life of current nuclear power plants and reducing the volume of low-level radioactive waste, and nuclear forensics of interest to nuclear fuel cycle. Specific areas of interest are detailed below.

Prof. Dr. Tatjana Jevremovic
Guest Editor

Keywords

  • advanced numerical modeling related to nuclear power reactor performances: advanced computational approaches with advanced visualizations
  • advanced construction techniques: numerical models in construction, siting, operation and design of nuclear power plants
  • model-scaling and benchmark tests for numerical modeling of nuclear power plants with particular interest in using research reactors
  • innovations in the areas of materials with particular focus on materials for prolonged life of current nuclear power plants and reduced volume of low-level radioactive waste
  • nuclear forensics of interest to nuclear fuel cycle
  • novel solutions to global issues inclusive of local and global energy distribution, and application and role of nuclear energy

Published Papers (2 papers)

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Research

590 KiB  
Article
Output Feedback Dissipation Control for the Power-Level of Modular High-Temperature Gas-Cooled Reactors
by Zhe Dong
Energies 2011, 4(11), 1858-1879; https://doi.org/10.3390/en4111858 - 01 Nov 2011
Cited by 3 | Viewed by 5713
Abstract
Because of its strong inherent safety features and the high outlet temperature, the modular high temperature gas-cooled nuclear reactor (MHTGR) is the chosen technology for a new generation of nuclear power plants. Such power plants are being considered for industrial applications with a [...] Read more.
Because of its strong inherent safety features and the high outlet temperature, the modular high temperature gas-cooled nuclear reactor (MHTGR) is the chosen technology for a new generation of nuclear power plants. Such power plants are being considered for industrial applications with a wide range of power levels, thus power-level regulation is very important for their efficient and stable operation. Exploiting the large scale asymptotic closed-loop stability provided by nonlinear controllers, a nonlinear power-level regulator is presented in this paper that is based upon both the techniques of feedback dissipation and well-established backstepping. The virtue of this control strategy, i.e., the ability of globally asymptotic stabilization, is that it takes advantage of the inherent zero-state detectability property of the MHTGR dynamics. Moreover, this newly built power-level regulator is also robust towards modeling uncertainty in the control rod dynamics. If modeling uncertainty of the control rod dynamics is small enough to be omitted, then this control law can be simplified to a classical proportional feedback controller. The comparison of the control performance between the newly-built power controller and the simplified controller is also given through numerical study and theoretical analysis. Full article
(This article belongs to the Special Issue Advances in Nuclear Energy)
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1605 KiB  
Article
Traveling Wave Reactor and Condition of Existence of Nuclear Burning Soliton-Like Wave in Neutron-Multiplying Media
by Vitaliy D. Rusov, Elena P. Linnik, Victor A. Tarasov, Tatiana N. Zelentsova, Igor V. Sharph, Vladimir N. Vaschenko, Sergey I. Kosenko, Margarita E. Beglaryan, Sergey A. Chernezhenko, Pavel A. Molchinikolov, Sergey I. Saulenko and Olga A. Byegunova
Energies 2011, 4(9), 1337-1361; https://doi.org/10.3390/en4091337 - 09 Sep 2011
Cited by 20 | Viewed by 8549
Abstract
Physical fundamentals of traveling wave reactor are considered. We show that the condition of existence of nuclear burning soliton-like wave in a neutron-multiplying medium is determined in general by two conditions. The first condition (necessary) is determined by relationship between the equilibrium concentration [...] Read more.
Physical fundamentals of traveling wave reactor are considered. We show that the condition of existence of nuclear burning soliton-like wave in a neutron-multiplying medium is determined in general by two conditions. The first condition (necessary) is determined by relationship between the equilibrium concentration and critical concentration of active (fissionable) isotope that is a consequence of the Bohr–Sommerfeld quantization condition. The second condition (sufficient) is set by the so-called Wigner quantum statistics, or more accurately, by a statistics of the Gaussian simplectic ensembles with respect to the parameter that describes the squared width of burning wave front of nuclear fuel active component. Full article
(This article belongs to the Special Issue Advances in Nuclear Energy)
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