Results 11 to 20 of about 1,544,382 (349)

Radionuclides contamination of leaves of woody plants growing within the CHNPP cooling pond [PDF]

Ядерна фізика та енергетика, 2021
The data on the state of radioactive contamination of leaves of plants growing directly on the territory of the drained part of the cooling pond of the Chernobyl NPP are presented.
V. K. Shynkarenko, S. A. Paskevych, Y. A. Menshenin, O. O. Odintsov   +3 more
doaj   +1 more source

Preclinical Studies of the Antimicrobial and Wound-Healing Effects of the High-Intensity Optical Irradiation “Zarnitsa-A” Apparatus

Applied Sciences, 2023
In this paper, a new approach to treating infected wounds is proposed. It is based on treating the wound surface with high-intensity pulsed optical radiation with a continuous spectrum, continuously covering the entire UV range (from 200 to 400 nm) and ...
Valery V. Bagrov, Igor V. Bukhtiyarov, Lev Y. Volodin, Evgeny V. Zibarev, Alexander S. Kamrukov, Andrey V. Kondratiev, Vladimir I. Krylov, Sofya M. Nikonova, Dmitry O. Novikov, Kirill A. Semenov   +9 more
doaj   +1 more source

The probability of the existence of defects that lead to the destruction of the pressure vessel without leak

Structural Mechanics of Engineering Constructions and Buildings, 2021
Relevance. To ensure the safety of a nuclear power plant on the basis of the requirements of norms and rules in the field of the use of atomic energy for pipelines of the primary circuit of a nuclear reactor, the design should apply the leak before break
Dmitry A. Kuzmin, Marina V. Vertashenok
doaj   +1 more source

Use of kinetic flow energy liquids for vibration of local turbulizers in pipe heat exchangers [PDF]

E3S Web of Conferences, 2020
This issue of using certain part of the kinetic energy of the flow for imparting vibration for special local turbulators (LT), consisting of an elastic thread with strung on it through a certain distance volume elements (made of a special material) of ...
Babakhodjaev Rakhimjan, Tashbaev Nazim, Mirzaev Djonreed   +2 more
doaj   +1 more source

Investigation the coal thermal characteristics influence on combustion process in the furnace [PDF]

E3S Web of Conferences
The article presents the study results on the possibility of burning the bituminous coal instead the lignite in the boiler BKZ-420-140 type. The study objectives are to determine the influence of coals thermal characteristics on the combustion efficiency
Prokhorov Vadim, Chernov Sergey, Fomenko Mikhail, Fomenko Nadezhda, Kremer Alisa   +4 more
doaj   +1 more source

Impact of Biofuel on the Environmental and Economic Performance of Marine Diesel Engines

Journal of Marine Science and Engineering, 2023
The results of the research work on biofuel’s impact on the environmental and economic performance of marine diesel engines are presented. During the research, a fuel mixture was used that consisted of the diesel fuel RMA10 and FAME biofuel.
Sergii Sagin, Sergey Karianskyi, Volodymyr Madey, Arsenii Sagin, Tymur Stoliaryk, Ivan Tkachenko   +5 more
doaj   +1 more source

Towards a uniform description of recombiners performance by a consistent CFD approach with the use of a detailed mechanism of hydrogen oxidation [PDF]

Nuclear Energy and Technology
For a consistent CFD substantiation of the recombiner performance, a detailed mechanism of hydrogen and oxygen recombination is used. The detailed mechanism of chemical kinetics (multi-step recombination reaction) makes it possible to claim universality,
Alexander V. Avdeenkov, Oleg I. Achakovskii, Vladimir V. Ketlerov, Sergei L. Soloviev, Quang Huong Duong   +4 more
doaj   +3 more sources

Identifying the key development areas for small nuclear power plants [PDF]

Nuclear Energy and Technology, 2022
The paper considers the key characteristics of the small nuclear power plant (SNPP) modular design, demonstrates the possibility for reducing the construction cost and time for this class of plants due to factory fabrication, the effect of series ...
Sergey L. Soloviev, Denis G. Zaryugin, Sergey G. Kalyakin, Sergey T. Leskin   +3 more
doaj   +3 more sources

Investigation of the vibration state of the turbine rotor taking into account the influence of geometric accuracy of parts

MATEC Web of Conferences, 2018
The article describes the method of estimating the state of vibration of the rotor taking into account the geometrical deviations parts. The results obtained theoretical studies of the relationship of vibration characteristics and geometrical deviations ...
Bolotov Michail, Pechenin Vadim, Kolchina Ekaterina   +2 more
doaj   +1 more source

Experimental and Implementation of a 15 × 10 TEG Array of a Thermoelectric Power Generation System Using Two-Pass Flow of a Tap Water Pipeline Based on Renewable Energy

Applied Sciences, 2022
At the present time, the entire world is suffering from global climate change due to emissions caused by the combustion of fossil fuels. Thus, it is necessary to look for alternative power sources to generate clean electrical energy.
Mohammed A. Qasim, Vladimir I. Velkin, Sergey E. Shcheklein   +2 more
doaj   +1 more source