Promising Fuel Materials for Thermionic Nuclear Power Installations

Atomic Energy ◽  
2014 ◽  
Vol 115 (6) ◽  
pp. 391-401
Author(s):  
S. V. Alekseev ◽  
V. I. Vybyvanets ◽  
A. S. Gontar’ ◽  
D. Yu. Lyubimov ◽  
M. V. Nelidov
Keyword(s):  
Nuclear Power ◽  
Nuclear Power Installations ◽  
Power Installations ◽  
Thermionic Nuclear Power

scholarly journals Influence of pipeline geometry on hydrodynamics and heat transfer processes by an example of a ship steam generator

2021 ◽  
Vol 2088 (1) ◽  
pp. 012033
Author(s):  
O V Mitrofanova ◽  
A V Fedorinov
Keyword(s):  
Nuclear Power ◽  
Large Scale ◽  
Complex Geometry ◽  
Swirling Flow ◽  
Thermal Power ◽  
Design Parameters ◽  
Nuclear Power Installation ◽  
Wide Range ◽  
Nuclear Power Installations ◽  
Power Installations

Abstract The theoretical and computational analysis proposed in this work is aimed at identifying the features of thermal and hydrodynamic processes carried out in the steam-generating channels of the ship type water-moderated nuclear power installations. It is shown that the complex geometry of the thermohydraulic tract curvilinear channels of the steam generating system has a significant effect on the efficiency of the transport nuclear power installation. In addition to the formation of large-scale vortex structures and swirling flow in the pipeline, the phenomenon of the swirling flow crisis is revealed, under which the low-frequency component of the acoustic spectrum is enhanced. The scientific and applied significance of the proposed research is associated with the need to ensure a wide range of operational changes in efficient and safe operation power modes of icebreaker nuclear power installations. The research, aimed at developing the principles of physical and mathematical modeling of complex vortex flows, is necessary to optimize the design parameters of the thermal power equipment elements of new generation ship nuclear power installations in order to ensure increased safety and reliability of their operation.

The high-temperature sodium coolant technology in nuclear power installations for hydrogen power engineering

2014 ◽  
Vol 61 (5) ◽  
pp. 348-356 ◽  
Author(s):  
F. A. Kozlov ◽  
A. P. Sorokin ◽  
V. V. Alekseev ◽  
M. A. Konovalov
Keyword(s):  
High Temperature ◽  
Nuclear Power ◽  
Power Engineering ◽  
Sodium Coolant ◽  
Nuclear Power Installations ◽  
Power Installations ◽  
Hydrogen Power Engineering

Methodology for Verification of the Heat Transfer Crisis in the Nuclear Fuel Assemblies

2013 ◽  
Author(s):  
Anastasiia Zvorykina ◽  
Georgij Sharayevskiy ◽  
Nataliya Fialko ◽  
Nina Sharayevskaya
Keyword(s):  
Nuclear Power ◽  
Nuclear Reactor ◽  
Emergency Operation ◽  
Complex Problem ◽  
Diagnostic Systems ◽  
Software Support ◽  
Nuclear Power Installations ◽  
Safety Operation ◽  
New Generation ◽  
Power Installations

The present-day stage of nuclear-power engineering development raises sharply a number of complicated questions regarding the guarantee of safety operation of nuclear power-generating units of operating and designed Nuclear Power Plant (NPP). The most important of these unsolved technological problems were considered in [1] on the base of analysis of ways of operation reliability improvement for Nuclear Power Installations (NPI) with WWER and RBMK reactors. In connection with the priorities formulated in [1], in papers [2–6] the main aspects of approaches available for solution of most complex problem are considered: the development of methods of early identification of initial phases of emergency operation regimes in such nuclear power-generating units which are critically important for NPI trouble-free operation. It is necessary to stress, that reliable identification of the anomalies mentioned, especially of thermal-hydraulic nature ones in core region of nuclear reactor, must be provided under conditions when such operating troubles can not yet be detected by the issued supervisory instruments of NPI. Taking into account the requirement to prospective diagnostic provision of NPP equipment, in papers [2–5] are underlined that at present time the development of effective methods of anomalies identification in NPI equipment and development of mathematical software support on base of these methods for computer-aided diagnostic systems on base of AI conceptions in structure of hardware of operator support tools of new generation NPP are considered as the main condition which determine the development of diagnostic means with mentioned functional possibilities.

Treatment of weakly mineralized natural water to remove radioactive contaminations originating from nuclear power installations

2006 ◽  
Vol 48 (1) ◽  
pp. 85-89
Author(s):  
V. N. Epimakhov ◽  
V. V. Chetverikov
Keyword(s):  
Natural Water ◽  
Nuclear Power ◽  
Nuclear Power Installations ◽  
Power Installations

Investigations of coolant stratification and temperature pulsations in nuclear power installations

2013 ◽  
Vol 60 (3) ◽  
pp. 166-175 ◽  
Author(s):  
D. G. Zaryugin ◽  
S. G. Kolyakin ◽  
A. N. Opanasenko ◽  
A. P. Sorokin
Keyword(s):  
Nuclear Power ◽  
Nuclear Power Installations ◽  
Temperature Pulsations ◽  
Power Installations

Mass transfer of uranium in primary circuits of nuclear power installations on contact of the UO2-based fuel with water coolant

2010 ◽  
Vol 52 (6) ◽  
pp. 600-606
Author(s):  
I. V. Miroshnichenko ◽  
L. N. Moskvin ◽  
O. Yu. Pykhteev ◽  
D. A. Kirpikov ◽  
M. M. Kostin ◽  
...  
Keyword(s):  
Mass Transfer ◽  
Nuclear Power ◽  
Water Coolant ◽  
Nuclear Power Installations ◽  
Power Installations

Positive effect of adding aluminum salts to primary coolants of nuclear power installations

2010 ◽  
Vol 52 (6) ◽  
pp. 581-584
Author(s):  
T. V. Epimakhov ◽  
L. N. Moskvin ◽  
A. A. Efimov ◽  
O. Yu. Pykhteev
Keyword(s):  
Nuclear Power ◽  
Aluminum Salts ◽  
Nuclear Power Installations ◽  
Power Installations ◽  
Positive Effect

Chemical transformations of Fe(III), Al(III), and Co(II) ions under cohydrolysis in coolants of nuclear power installations

2010 ◽  
Vol 83 (5) ◽  
pp. 773-777
Author(s):  
T. V. Epimakhov ◽  
L. N. Moskvin ◽  
A. A. Efimov ◽  
O. Yu. Pykhteev
Keyword(s):  
Nuclear Power ◽  
Chemical Transformations ◽  
Nuclear Power Installations ◽  
Power Installations
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