Thematische Bibliographien / Energy efficiency / Zeitschriftenartikel
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Zeitschriftenartikel zum Thema „Energy efficiency“

Autor: Grafiati
Veröffentlicht am 25. Mai 2024
Zuletzt aktualisiert am 31. Juli 2025

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1

J., Azeez. "Energy Analysis of a 20W Solar Photovoltaic Module: A Review." International Journal of Research and Innovation in Applied Science IX, no. I (2024): 214–18. http://dx.doi.org/10.51584/ijrias.2024.90119.

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The solar photovoltaic (PV) system generates both electrical and thermal energy from solar radiation. In this paper, an attempt has been made for evaluating electrical output of solar PV panel installed at Ajat Instruments Nigeria Limited, Mokola, Ibadan, Nigeria. Using the first law of thermodynamics, energy/power analysis was performed. The operating and electrical parameters of a PV array include PV module temperature, open-circuit voltage, short-circuit current, fill factor, etc. were used. The reviewed formulas were used for the calculation of the energy/power efficiency of the PV system. Ene
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Kryszkiewicz, Pawel, Pawel Sroka, Marcin Hoffmann, and Marcin Wachowiak. "Why Is White Noise Not Enough? Using Radio Front-End Models While Designing 6G PHY." Journal of Telecommunications and Information Technology, no. 2 (June 29, 2023): 41–45. http://dx.doi.org/10.26636/jtit.2023.170523.

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Each subsequent generation of wireless standards imposes stricter spectral and energy efficiency demands. So far, layered wireless transceiver architectures have been used, allowing for instance to separate channel decoding algorithms from the front-end design. Such an approach may need to be reconsidered in the upcoming 6G era. Especially hardware-originated distortions have to be taken into account while designing other layer algorithms, as high throughput and energy efficiency requirements will push these devices to their limits, revealing their non-linear characteristics. In such a context, th
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Shanthi, S. Anita, and K. G. Basavaraju. "Estimating the overall efficiency of storage batteries in Fermatean picture fuzzy environment." E3S Web of Conferences 405 (2023): 02028. http://dx.doi.org/10.1051/e3sconf/202340502028.

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Electricity storage devices play a very vital role in efficient energy management. Storage technologies vary depending on the specific needs and applications. Battery is a electric storage system which converts chemical energy into electrical energy and possess some specific parameters that characterize them. Here, four types of storage batteries are evaluated based on their efficiency, cost, life span and energy density properties using COPRAS and ARAS methods on Fermatean picture fuzzy sets. Firstly a decision matrix is constructed using Fermatean picture fuzzy sets and it is normalized. Entropy m
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Garside, Annisa Kesy, Tyas Yuli Rosiani, Adelya Amanda, Thomy Eko Saputro, and Eduardo E Oliveira. "Enhanced Sustainability Assessment Framework for Plywood Manufacturing: A Multi-Method Approach Using Delphi Technique, BWM, and S-VSM." Jurnal Optimasi Sistem Industri 23, no. 2 (2025): 188–206. https://doi.org/10.25077/josi.v23.n2.p188-206.2024.

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Sustainable manufacturing has emerged as a critical priority in addressing the complex environmental, social, and economic challenges of modern industry. This study focuses on the plywood sector, a significant contributor to manufacturing, which faces distinct sustainability issues such as high energy consumption, material inefficiencies, and hazardous working conditions. To address these challenges, the research introduces workload and noise level as critical indicators for assessing sustainability, broadening the scope of traditional evaluation methods. A multi-method framework was employed, in
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Asova, Veronika, Galin Bistrev, Valentin Buchakchiev, and Venelin Kozhuharov. "Multichannel SiPM test readout system for gamma ray measurements with monolithic inorganic CeBr3." Journal of Physics: Conference Series 2794, no. 1 (2024): 012006. http://dx.doi.org/10.1088/1742-6596/2794/1/012006.

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Abstract Energy resolution and the detection efficiency for gamma quanta are fundamental properties in the construction of detectors for ionizing radiation. In this study, a SiPM-based photodetector coupled to a monolithic inorganic CeBr3 crystal is exposed to gamma rays in order to study the performance of the CeBr3 crystal. Measurements are made using three different radioactive sources - 137Cs, 22Na and 60Co. For each source, the measurements are made using a few different values for the Bias voltage of the SiPM. Furthermore, two CeBr3 crystals with different thicknesses are used in order to
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Farhi, Lubna, Umme Laila, Afshaar Ahmed, Mishaal Ahmed, Manzar Ahmed, and Fahad Ahmad Siddiqui. "Application of Blockchain Technology in Energy Sector for Sustainable Future." VAWKUM Transactions on Computer Sciences 10, no. 2 (2022): 11–23. http://dx.doi.org/10.21015/vtcs.v10i2.1268.

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In old energy control system, there was no freedom for users to sale or purchase energy with their own choice and rate because system was centralized and also there were many issues such as electricity theft cases and losses and burden of these losses directly inculdded in public bills. Now after the introduction of blockchain these issues has been resolved such as the blockchain technology give freedom to user to sale or purchase energy according to the own rate with secure transaction system. The conventional energy system with centralizedcontrol technique fails to resolve many issues such a
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Wagner, Hermann-Josef. "Introduction to wind energy systems." EPJ Web of Conferences 189 (2018): 00005. http://dx.doi.org/10.1051/epjconf/201818900005.

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This article presents the basic concepts of wind energy and deals with the physics and mechanics of operation. It describes the conversion of wind energy into the rotation of a turbine, and the critical parameters governing the efficiency of this conversion. After that it presents an overview of the various parts and component of windmills. The connection to the electrical grid, the world status of wind energy use for electricity production, the cost situation and research and development needs are further aspects which will be considered.
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Bakirov, Sergey, Sergey Eliseev, and Elena Ryzhova. "Evaluation of the Energy Efficiency Improvement of the Sprinkler Machine with an Accumulator Power Source." Elektrotekhnologii i elektrooborudovanie v APK 1, no. 42 (2021): 29–33. http://dx.doi.org/10.22314/2658-4859-2021-68-1-29-33.

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In all operating conditions, electrified sprinklers are provided with energy from a centralized source or a portable diesel generator. The energy efficiency of these power supply methods is characterized by losses of electricity during transmission. Battery power sources of sprinkler machines are used in rare cases, there are no such machines on the agricultural lands of the Volga region. If the battery power source is installed next to the electric drive on a support trolley, then there is no loss of electricity during transmission and there is the possibility of using renewable sources, the co
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Editorial team. "Editorial." Eurasian Journal of Physics and Functional Materials 5, no. 1 (2021): 1–5. http://dx.doi.org/10.32523/ejpfm.2021050100.

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Eurasian Journal of Physics and Functional Materials is an international journal published 4 numbers per year starting from October 2017. The aim of the journal is rapid publication of original articles and rewiews in the following areas: nuclear physics, high energy physics, radiation ecology, alternative energy (nuclear and hydrogen, photovoltaic, new energy sources, energy efficiency and energy saving, the energy sector impact on the environment), functional materials and related problems of high technologies.
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Dyussenov, К. М. "Some issues of energy efficiency of heat generators based on controlled cavitation processes". BULLETIN of L.N. Gumilyov Eurasian National University. Technical Science and Technology Series 129, № 4 (2019): 35–41. http://dx.doi.org/10.32523/2616-7263-2019-129-4-35-41.

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Trunov, Stanislav S., Dmitriy A. Tikhomirov, Aleksey V. Khimenko, Aleksey V. Kuz’michev, and Nikolay G. Lamonov. "Use of Renewable Energy for Local Heating of Piglets." Elektrotekhnologii i elektrooborudovanie v APK 3, no. 44 (2021): 104–10. http://dx.doi.org/10.22314/2658-4859-2021-68-3-104-110.

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The analysis of technologies and technical means of creating a temperature regime in the piglet location zone, where two different temperature fields must be created in the cold season: one for breeding pigs, the other for suckling piglets. The article considers the question of the use of thermoelectric modules and heat pipes as a source of thermal energy in local heating installations for suckling piglets. (Research purpose) There are proposed the functional and technological scheme of the installation for local heating of young animals with the use of thermoelectric modules and heat pipes. (M
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GALITsKOV, S. Ya, and A. S. FADEEV. "ASSESSMENT OF DECREASE IN ENERGY CONSUMPTION ON PRODUCTION EXPANDED CLAY WHEN USING ALGORITHM OF THE COORDINATED MANAGEMENT BY THE FURNACE." Urban construction and architecture 3, no. 4 (2013): 95–98. http://dx.doi.org/10.17673/vestnik.2013.04.16.

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Presents the results of the analysis of efficiency of application of the harmonized automatic control modes of operation of the burner and the drive boot the rotary kiln for firing of expanded clay. On the example of the furnace size of 40 m, in which fired raw clay smushlaevsks Deposit, the possibility to reduce energy consumption for production of 1 m 3 of expanded clay 11-to 15 %.
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Kerimov, M. A., and D. V. Ivanov. "Bioenergy Model of Plant Raw Materials and Assessment of Feed Production Technologies." Agricultural Machinery and Technologies 17, no. 1 (2023): 51–61. http://dx.doi.org/10.22314/2073-7599-2023-17-1-51-61.

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It is noted that the effectiveness of the technological processes in agriculture is usually evaluated according to economic, operational and relative criteria. Such an estimate often proves to be inaccurate for solving applied problems. The functioning of the biotechnical system "operator – feed – machine – animal" reveals this discrepancy to the highest extent. The paper confirms the necessity and relevance of a fact-based analysis of energy flows in the biotechnical system, as well as the energy flows interaction with each other and with the external environment. (Research purpose) To substan
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Liu, Daojian, Hu Wang, Haifeng Liu, Zunqing Zheng, Yan Zhang та Mingfa Yao. "Identification of factors affecting exergy destruction and engine efficiency of various classes of fuel". Energy 211 (листопад 2020): 118897. http://dx.doi.org/10.1016/j.energy.2020.118897.

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Davydov, D. A., A. A. Bubenchikov, and V. I. Belyaev. "Problems of implementation, setup and cybersecurity of digital substations." Вестник Северо-Кавказского федерального университета, no. 4 (103) (2024): 7–16. http://dx.doi.org/10.37493/2307-907x.2024.4.1.

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Introduction. The modern energy infrastructure is outdated, which threatens the reliability and quality of electricity supply. Aging infrastructure and operation at the limit of capabilities emphasize the need for modernization through the introduction of advanced equipment to improve the efficiency and reliability of energy supply. The introduction of digital substations using the IEC 61850 standard seems to be a promising solution that can improve the efficiency and reliability of energy supply. Goal. Research of proposals for the development of digital substations based on the IEC 61850 protoco
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Atias, Vitali, Angel Georgiev, and Vladimir Valkanov. "Revolutionizing Peer-to-Peer Energy Trading with Blockchain Technology." Mathematics and Education in Mathematics 54 (June 1, 2025): 069–77. https://doi.org/10.55630/mem.2025.54.069-077.

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This paper examines the application of blockchain technology in the energy sector, particularly in peer-to-peer (P2P) energy trading, which is a way for users with distributed energy resources (DERs) to exchange energy with each other without relying on a centralized authority. Blockchain technology is an innovative and disruptive tool that can enable P2P energy transactions and smart contracts, and improve the efficiency, transparency, security, and sustainability of energy services. However, blockchain technology adoption also faces many challenges and barriers, such as the technical maturity
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Tikhomirov, Dmitriy, Stanislav Trunov, Aleksey Kuzmichev, and Nicolay Lamonov. "The Principle of Building an Energy-Saving Drying Plant Using Thermoelectricity." Elektrotekhnologii i elektrooborudovanie v APK 1, no. 42 (2021): 16–22. http://dx.doi.org/10.22314/2658-4859-2021-68-1-16-22.

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Most drying plants of small capacity for vegetables and fruits are convective without recirculation of the drying agent. Such dryers have a high energy consumption and cannot be attributed to energy-saving installations. (Research purpose) The research purpose is in developing a functional and technological scheme of an energy-efficient thermoelectric dryer that provides a reduction in energy costs during the drying process while maintaining high quality indicators of the finished product and increasing the drying efficiency. (Materials and methods) The methods of system analysis and synthesis of
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Vylegzhanin, A., D. Ivanov, and M. Milyukova. "Renewable Energy in International Law: The Russian Perspective for Developing a Common BRICS Approach." BRICS Law Journal 10, no. 2 (2023): 5–36. http://dx.doi.org/10.21684/2412-2343-2023-10-2-5-36.

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The growing influence of renewable energy in the economy raises concerns about the need for perfecting the relevant international legal regime so as to satisfy all the stakeholders concerned. This article analyzes the relevant legal position of Russia as one of the largest exporters of energy-related products, while focusing on cooperation in this area as the BRICS Energy Prospects. The research reveals a number of findings: Russian Energy Policy has so far cautiously supported the promotion of renewable energy internationally in the context of energy efficiency and energy security; nevertheless,
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Novikov, Andrey A., Nikolay I. Grebenshchikov, Irina G. Ershova, and Aleksey N. Vasil’ev. "Influence of Microwave Radiation on the Freezing Rate of Water in a Heat Pump Installation." Elektrotekhnologii i elektrooborudovanie v APK 3, no. 44 (2021): 48–52. http://dx.doi.org/10.22314/2658-4859-2021-68-3-48-52.

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The article presents the data obtained as a result of an experiment to determine the effect of microwave radiation on the freezing rate of water in a heat pump installation are presented. (Research purpose) The research purpose is in experimentally evaluating the effect of microwave radiation on the speed of the water-ice phase transition to increase the efficiency of the heat pump unit by increasing the rate of water crystallization. (Materials and methods) The main criterion for conducting the experiment was the speed of the water-ice phase transition of ordinary water and water that passed thro
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Sadiku, Matthew, Justin Foreman, Sarhan Musa, and Sheena Reeves. "INTERNET OF CITIES." International Journal of Engineering Technologies and Management Research 6, no. 1 (2020): 13–16. http://dx.doi.org/10.29121/ijetmr.v6.i1.2019.340.

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The concept of smart cities has been gaining attention globally for the past decade. A smart city is one that makes a conscious effort to use smart technologies (such as IoT and CPS) to improve the quality of life of its residents. The Internet of cities is a global network of smart cities. Such a network has hundreds of member cities around the world that could benefit, improve the health of local populations, and collaborate in order to improve cost and energy efficiency of city operation. This paper presents a brief introduction to the Internet of cities.
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Brechko, Ya N., A. V. Cheplyansky, and N. M. Cheplyanskaya. "Production and economic indicators of potato cultivation: structural and dynamic changes and features at the global, subregional and national levels." Agrarian Economics, no. 7 (August 1, 2022): 54–78. http://dx.doi.org/10.29235/181-9806-2022-7-54-78.

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The article considers structural and dynamic changes and features of potato production at the global level and in the EAEU member states. The current state and trends of potato cultivation in the Republic of Belarus are studied. On the basis of a systematic analysis of the main production and economic indicators, the organizational, economic and technological factors of potato cultivation are identified and the thresholds for break­even, simple and expanded reproduction are substantiated. The results of research make it possible to develop a set of measures to increase the efficiency of potato pr
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Murad, Ali, Laveet Kumar, Khanji Harijan, and Hallar Parhyar. "Thermal Modeling and Performance Investigation of Proton Exchange Membrane (PEM) Fuel Cell." VFAST Transactions on Mathematics 11, no. 2 (2023): 112–25. http://dx.doi.org/10.21015/vtm.v11i2.1640.

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Abstract This research paper presents analysis of heat generation problem in Proton Exchange Membrane (PEM) fuel cell using COMSOL Multiphysics software. PEM fuel cells are widely recognized for their high electrical power output and environmental sustainability. However, in a PEM fuel cell around 50 to 60 % of energy generated from chemical reactions is dissipated as heat energy. To address this issue PEM fuel cell stack model is designed and thermal modeling is carried out to evaluate its performance. Based on thermal modeling of surface temperature distribution of cell it is found that the
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Priyadarshi, Anupam, та Ram Chandra. "Bigger perturbations enhance higher trophic levels biomass, increase transfer efficiency and may sustain for bigger plankton biodiversity". ITM Web of Conferences 34 (2020): 02009. http://dx.doi.org/10.1051/itmconf/20203402009.

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Highly intermittent phytoplankton is ubiquitously observed when measurements are performed at micro-scale (< 1mm). The conventional way of plankton modelling is based on the mean-field approach in which only the first central-moment approximations is retained and ignored higher central moments). The conventional modeling approach may be suitable for mesoor bigger scale (km) but it is inappropriate for micro-scale (< 1mm) where observed overlap in the intermittent spatial distributions of predators and prey become more important for determining the flow of nutrients and energy up the food ch
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Kuz’michev, Aleksey V., Dmitriy A. Tikhomirov, Aleksey V. Khimenko, Nikolay G. Lamonov, and Stanislav S. Trunov. "Possible Directions in the Improvement of Small-Sized Household Drying Plants." Elektrotekhnologii i elektrooborudovanie v APK 3, no. 44 (2021): 9–14. http://dx.doi.org/10.22314/2658-4859-2021-68-3-9-14.

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The main problem that we have to face in agriculture is processing and storage of agricultural products. One of the most preferred processing methods is drying. The dried product is stored longer, while the requirements for storage conditions are more tolerant. Standard dryers are a sealed chamber where the dried product is located; they work in cycles: loading-drying-unloading. Such characteristics are well suited for small agricultural enterprises. Traditional drying methods, as a rule, involve large energy costs and take a long time. The development of highly efficient drying equipment is pos
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Imanaliyev, K. E., A. A. Jumabayev, U. S. Suleymenov, M. A. Kambarov, R. A. Ristavletov та Kh A. Abshchenov. "The method of determining the thermal efficiency of solar energy-Active construction of the external cladding of building". BULLETIN of L.N. Gumilyov Eurasian National University. Technical Science and Technology Series 123, № 2 (2018): 62–67. http://dx.doi.org/10.32523/2616-7263-2018-123-2-62-67.

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Simili, Emanuele, Gordon Stewart, Samuel Skipsey, Dwayne Spiteri, Albert Borbely та David Britton. "ARMing HEP for the future Energy Efficiency of WLCG sites (ARM vs. x86)". EPJ Web of Conferences 295 (2024): 11007. http://dx.doi.org/10.1051/epjconf/202429511007.

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We present a case for ARM chips as an alternative to standard x86 at WLCG sites to help reduce power consumption. New measurements are presented on the performance and energy consumption of two machines (one ARM and one x86), that were otherwise similar in specification and cost. The comparison was extended to a dual socket x86 node, representative of our site. These new results include the energy-efficiency and speed of singleand multithreaded jobs; the effect of hyper-threading; and an initial look at clock throttling as a way of shaping power-load. We observe significantly lower power consumptio
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Agarkhed, Jayashree, Patil Yogita Dattatraya та Siddarama R. Patil. "Differentiated Service Model-Supported Cluster-Based Routing in Wireless Sensor Networks". Journal of Telecommunications and Information Technology 3 (30 вересня 2020): 1–9. http://dx.doi.org/10.26636/jtit.2020.139119.

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Wireless Sensor Network finds its extensive use in healthcare applications for the transfer of time-critical data through wireless connectivity. The primary cause of network failure is the transfer of time-critical multimedia data. The article presents a new differentiated service modelsupported (DSM) cluster-based routing in wireless sensor networks (WSNs) that overcomes the above issue. DSM prioritizes the transfer of different flow types based on packet type and packet size. The employment of computational offloading minimizes delay for critical and small-sized data packets and by carrying out da
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Strebkov, Dmitriy S. "Study of Double-Sided Silicon Solar Cells and Modules." Elektrotekhnologii i elektrooborudovanie v APK 3, no. 44 (2021): 60–70. http://dx.doi.org/10.22314/2658-4859-2021-68-3-60-70.

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The first description of the photoelectric effect in a vertical p-n transition in a silicon crystal dates back to 1941. The development of solar photovoltaic energy began in 1954 after the development of a single-sided planar silicon solar cell in the USA, in which the p-n junction is located parallel to the working illuminated surface. (Research purpose) The research purpose is in conducting an analytical review of the designs and electrophysical characteristics of double-sided solar cells and modules, justifying the leading role of Soviet and Russian scientists in its creation and assessing t
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Boukrim, Mustapha, and Jilali Antari. "Flow Aggregation for Energy-Aware Ad-Hoc Wireless Networks Respecting QoS Provisions." Journal of Telecommunications and Information Technology 1 (March 31, 2020): 31–38. http://dx.doi.org/10.26636/jtit.2020.138119.

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Emerging communication technologies are now leading developers to design IT systems taking into count their energy-related considerations. Much research performed in the area of ad-hoc wireless networks tends to distribute the flows over all nodes of the network, which increases the amount of energy consumed by each node and reduces longevity of the network. To overcome these problems, this paper seeks to aggregate a set of flows within a number of nodes that is as low as possible in order to be capable of routing those flows. This proposal allows to maximize the number of network nodes that may
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Alemu, Dessale, Idris Shafi, and Tizazu Abza. "Synthesis, growth and characterization of magnesium chloride doped L-alanine cadmium chloride single crystal: For nonlinear optical application." East African Journal of Biophysical and Computational Sciences 3, no. 2 (2022): 61–67. http://dx.doi.org/10.4314/eajbcs.v3i2.6s.

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The aim of this research was to synthesize and characterize pure and magnesium chloride (MgCl2) doped L–alanine cadmium chloride (LACC) single crystals. Pure and MgCl2 doped LACC single crystals were synthesized by solution method with slow evaporation solution growth technique at room temperature. The single crystal X-ray diffraction studies of pure, 1 and 2 mol% MgCl2 doped LACC single crystals revealed monoclinic crystal structure with C2 space group. The optical properties of pure and MgCl2 doped LACC single crystals investigated by UV–VIS/NIR spectrometer confirmed that the crystals were t
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Schuster, V. L., O. V. Tyukavkina та V. V. Shelepov. "Improving the efficiency of processing the results of reservoir filtration studies and parameters when modeling complex oil reserves". Moscow University Bulletin. Series 4. Geology, № 2 (17 грудня 2022): 91–100. http://dx.doi.org/10.33623/0579-9406-2022-2-91-100.

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The issues of improving the efficiency of processing the results of studies of the filtration properties of reservoirs within the oil and gas producing areas of the central part of the West Siberian oil and gas province are considered. The high degree of development of the hydrocarbon resources of the studied territory is characterized by the presence of long-term developed deposits, which determines the solution of tasks aimed at increasing the success of the search for complex deep-lying reservoirs, the efficiency of their exploration and additional exploration, since the overlying productive hor
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Abdullah, Ahmad Takiyuddin, Sevia Mahdaliza Idrus, and Shahrin Md Ayob. "Model predictive control using Euler method for switched-battery boost-multilevel inverter." International Journal of Power Electronics and Drive Systems (IJPEDS) 14, no. 3 (2023): 1497. http://dx.doi.org/10.11591/ijpeds.v14.i3.pp1497-1508.

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<span lang="EN-US">This paper presents the model predictive control (MPC) design using the backward Euler method for an 11-level switched-battery boost multilevel inverter (SBBMLI). The SBBMLI was proposed as the cost-effective solution for the communication power line in a high-speed rail (HSR) system. Initially, a generalized SBBMLI problem formulation was performed, and an open-loop simulation based on voltage and current mode controls was conducted. The finite control set-model predictive control (FCS-MPC) ability to track the reference sinusoidal output with low total harmonic disto
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Murzakhanov, F. F., G. V. Mamin, M. A. Sadovnikova та ін. "Influence of Photoexcitation Conditions on the Spin Polarization of Nitrogen-Vacancy Centers in Isotopically Enriched Silicon Carbide 6H-28 SiC". Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki 166, № 2 (2024): 187–99. http://dx.doi.org/10.26907/2541-7746.2024.2.187-199.

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Spin defects in semiconductors are attracting interest as a material basis for quantum information and computing technologies. In this work, the spin properties of negatively − charged nitrogen-vacancy ( NV ) centers in a 6H-SiC silicon carbide crystal enriched with the 28 Si isotope were studied by high-frequency ( 94 GHz) electron paramagnetic resonance (EPR) − methods. Due to an optical excitation channel at the NV centers, it was possible to initialize the electron spin of the defect using a laser source, which led to a significant increase in the intensity of the recorded EPR signal. The d
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Trunov, Stanislav S., Dmitriy A. Tikhomirov, Aleksey V. Khimenko, Aleksey V. Kuz’michev, and Nikolay G. Lamonov. "Thermoelectric Dryer for Vegetables and Fruits." Elektrotekhnologii i elektrooborudovanie v APK 3, no. 44 (2021): 3–8. http://dx.doi.org/10.22314/2658-4859-2021-68-3-3-8.

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In the conditions of medium and small agricultural enterprises, personal subsidiary farms, drying is the most acceptable and effective method of processing vegetables and fruits. It provides high efficiency of production, storage and transportation of finished products. (Research purpose) The research purpose is in developing a scheme of a drying plant using a heat pipe and a thermoelectric heat pump used as a source of thermal energy. (Materials and methods) The article presents an analog of a drying plant. The disadvantages of a convective electric dryer are a long drying time of products (for
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35

Craig, Jonathan. "The “Energy Transition”: myth or reality?" EPJ Web of Conferences 268 (2022): 00004. http://dx.doi.org/10.1051/epjconf/202226800004.

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Rapid technological advances across a variety of industries are enabling society’s quest for sustainability. The resulting “Energy Transition” is causing an unprecedented shift in how the world’s population consumes energy and natural resources, driven by a range of factors including decarbonisation, economics, access to energy, societal expectations around environment and climate, energy efficiency, political and regulatory forces and emerging technologies. The “Energy Transition” will occur at different speeds and shapes in different geographies, depending on local economic and societal pressure
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36

Leverick, Graham, Yunguang Zhu, and Yang Shao-Horn. "(Invited) High-Rate and High-Efficiency Molten Salt Li-O2 and Na-O2 Batteries Enabled by Nitrate Redox." ECS Meeting Abstracts MA2023-01, no. 3 (2023): 769. http://dx.doi.org/10.1149/ma2023-013769mtgabs.

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The decarbonization of the electrical grid requires advancements in affordable, long-term energy storage to address the intermittency of energy sources like solar and wind, while the continued decarbonization of the transportation sector necessitates advancements in energy dense storage devices such as batteries, with low cost and made from abundant materials. Alkali metal-oxygen batteries can provide greater specific energy than Li-ion batteries and can potentially lower cost by reducing reliance on late transition metals like nickel and cobalt. In this talk, we share our recent work on molte
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37

Ghannadiasl, Amin. "Quintic B-spline collocation method for numerical solution of free vibration of tapered Euler-Bernoulli beam on variable Winkler foundation." Journal of Mechanical Engineering and Sciences 15, no. 2 (2021): 8193–204. http://dx.doi.org/10.15282/jmes.15.2.2021.18.0643.

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The collocation method is the method for the numerical solution of integral equations and partial and ordinary differential equations. The main idea of this method is to choose a number of points in the domain and a finite-dimensional space of candidate solutions. So, that solution satisfies the governing equation at the collocation points. The current paper involves developing, and a comprehensive, step-by step procedure for applying the collocation method to the numerical solution of free vibration of tapered Euler-Bernoulli beam. In this stusy, it is assumed the beam rested on variable Winkler
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38

Saushev, A. V., I. V. Belousov, and V. F. Samoseiko. "Two phase sinusoidal pulse width modulation with remodulation in the "converter – electric motor system"." Вестник Северо-Кавказского федерального университета, no. 4 (103) (2024): 39–48. http://dx.doi.org/10.37493/2307-907x.2024.4.4.

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Introduction. Two-phase pulse width modulation in "the converter – electric motor" system is considered. It is noted that two-phase voltage modulation, which is implemented on a set of two electronically-key half bridges, finds important practical application. Restrictions are given on the values of the modulating functions of the potentials of the keys of the half-bridges, violation of which leads to intermodulation. Intermodulation leads to the appearance of low frequency harmonics in the composition of voltages and is the reason for a decrease in the energy efficiency of "the converter – elect
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Yaro, Aprael S., Basma A. Abdul Majeed, and Elaf Q. Atiyah. "Synergistic Effect of Potassium Iodide on Inhibitive Performance of Propyl Alcohol during Corrosion of Mild Steel in 1.0M HCl." Iraqi Journal of Chemical and Petroleum Engineering 17, no. 1 (2016): 61–70. http://dx.doi.org/10.31699/ijcpe.2016.1.6.

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The inhibition of mild steel corrosion in 1.0M HCl by 1-propanol and the synergistic effect of potassium iodide (KI) was investigated using weight loss and polarization techniques in the temperature range (30 ‒ 50) ̊ C. A matrix of Doelhert to three factors was used as the experimental design, adopting weight loss results as it permits the use of the response surface methodology which exploited in determination of the synergistic effect as inhibition on the mild steel. The results were confirmed using electrochemical polarization measurements. Experimental results showed that the inhibition ef
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40

Dryga, V. "Seeds quality of the domestic millet (Panicum virgatum L.) depending on the scarification mode". Agrobìologìâ, № 1(157) (25 травня 2020): 35–41. http://dx.doi.org/10.33245/2310-9270-2020-157-1-35-41.

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The aim of the research is determination of millet seed scarification efficiency depending on the modes – the amount of seeds surface removal. Scarification implies mechanical damage to the solid seed coat surface and its partial removal is applied to increase the intensity of seed germination. Studies oo implying this method on the millet seeds of the rod-shaped millet have shown that the seeds germination energy and sprouting significantly increase. On average for 15 experiments, these indicators increased by 7 % compared to the control – without scarification. A comprehensive study of the effect o
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41

ZOU Wen-jing, ZHAO Yu-kang, WU You-zhi, and ZHANG Cai-rong. "White Organic Light-emitting Devices Based on Phosphor-sensitized Fluorescence." Acta Physica Sinica 74, no. 2 (2025): 0. https://doi.org/10.7498/aps.74.20241294.

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Although phosphorescent organic light-emitting diodes can have 100% internal quantum efficiency (IQE), the IQE usually roll-off at high current densities due to triplet-triplet annihilation. Phosphor-sensitized fluorescence can realize the energy transfer between phosphorescent and fluorescent emitters, and can used to suppress the efficiency roll-off and tune the color of the device. Based on this consideration, white emission including different colors of phosphorescent and fluorescent emitters can be expected. Herein, Phosphor-sensitized fluorescent White organic light-emitting devices (WOLED)
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42

Vinogradov, Aleksandr, and Anatoliy Seyfullin. "Analysis of Regulatory Documents on the Creation and Operation of Intelligent Power Supply Systems for Rural Consumers." Elektrotekhnologii i elektrooborudovanie v APK 1, no. 42 (2021): 8–15. http://dx.doi.org/10.22314/2658-4859-2021-68-1-8-15.

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The construction of intelligent power supply systems for rural consumers (microgrids) is a promising concept for the development of the energy infrastructure of agricultural facilities. In the process of designing and operating micro-networks, a large number of technical, organizational and legal issues arise, the correct answer to which affects on the reliability, quality and efficiency of electricity supply to agricultural facilities. The analysis of the documentation regulating these processes is of particular relevance. (Research purpose) The research purpose is in analyzing the documentation
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43

Kuz’michev, Aleksey V., Dmitriy A. Tikhomirov, and Aleksey V. Khimenko. "Thermal Mode of Floor Power Plants in the Areas of Keeping Young Piglets." Elektrotekhnologii i elektrooborudovanie v APK 3, no. 44 (2021): 15–20. http://dx.doi.org/10.22314/2658-4859-2021-68-3-15-20.

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Agricultural enterprises include engineering systems for ensuring the vital activity of animals. The effectiveness of such systems is determined by creating the required conditions in places where animals are kept in interaction with external temperature parameters of the habitat. (Research purpose) The research purpose is in considering the physical model of the heat flows distribution in piglets' recreation areas, developing the structural diagram of the power equipment of local installations to maintain a given thermal mode. (Materials and methods) The state of the issue was studied using th
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44

Ivanov, N. M., A. M. Levin, and I. Ya Fedorenko. "Simulating Dynamics of Feed Grain Vibration Grinder." Agricultural Machinery and Technologies 18, no. 1 (2024): 46–51. http://dx.doi.org/10.22314/2073-7599-2024-18-1-46-51.

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The paper notes the feasibility of a vibration-based method for feed grain grinding. However, preference should be placed on dynamic machine configurations that enhance energy efficiency and increase the overall structural reliability. In this regard, it is worth considering the vibration grinder proposed in Patent RU 2688424C1. (Research purpose) The study aims to improve the technical capabilities of feed grain vibration grinders through the utilization of self-synchronization effects in vibration exciters and anti-resonance in working components. (Materials and methods) The authors developed a
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45

Carpenter, Chris. "Artificial-Intelligence and Machine-Learning Technique for Corrosion Mapping." Journal of Petroleum Technology 74, no. 01 (2022): 99–102. http://dx.doi.org/10.2118/0122-0099-jpt.

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This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 202801, “Automated Corrosion Mapping AI and Machine Learning,” by Marc Majors and Travis Harrington, Occidental, and Eric Ferguson, Abyss Solutions, et al. The paper has not been peer reviewed. The complete paper discusses risk reduction and increased fabric-maintenance (FM) efficiency using artificial-intelligence (AI) and machine-learning (ML) algorithms to analyze full-facility imagery for atmospheric corrosion detection and classification. With this tool, a comprehensive and objective analysis of a
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46

Kuz’michev, Aleksey V., Dmitriy A. Tikhomirov, and Aleksey V. Khimenko. "Installation with a Temperature-Controlled Panel for Piglets." Elektrotekhnologii i elektrooborudovanie v APK 3, no. 44 (2021): 21–28. http://dx.doi.org/10.22314/2658-4859-2021-68-3-21-28.

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Agricultural enterprises include engineering systems to ensure the vital activity of animals. The effectiveness of such systems is determined by the possibility of creating the required conditions in places where animals are kept in interaction with external temperature parameters of the habitat. (Research purpose) The research purpose is considering the physical and thermodynamic models of the thermal regime of the heated site and developing a structural scheme, a method for calculating the installation of heating sites for piglets using thermo-electricity. (Materials and methods) The article
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47

Pastukhov, A. G., A. A. Dobritskiy, D. N. Bakharev, and S. F. Volvak. "Physico-Mechanical Properties of Pumpkin Seeds in the Context of Drying Processes." Agricultural Machinery and Technologies 18, no. 1 (2024): 52–59. http://dx.doi.org/10.22314/2073-7599-2024-18-1-52-59.

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The paper highlights the significance of the drying process in post-harvest cucurbit seed treatment technology. To improve the effectiveness of drying high-moisture seeds, a plant construction design was introduced, incorporating the concept of providing varied heat distribution to a vigorously agitated seed layer. The paper validates the necessity of refining the dimensional, frictional, and aerodynamic properties of pumpkin seeds to determine the optimal operating modes for the proposed dryer. (Research purpose) To identify the physical and mechanical properties of pumpkin seeds by defining t
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48

Carpenter, Chris. "Cementless Well-Construction Possibilities Offer Cost, Emissions Reductions." Journal of Petroleum Technology 74, no. 01 (2022): 81–83. http://dx.doi.org/10.2118/0122-0081-jpt.

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This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 206052, “Cementless Well Construction Opens Full Control of Well Integrity for the Life of the Well,” by Catalin Teodoriu, SPE, and Opeyemi Bello, University of Oklahoma, and R.R. Vasquez, Welltec, et al. The paper has not been peer reviewed. Well construction has relied on two main elements—casing and cement—to achieve well goals while maintaining the highest possible well integrity. Can cementless well construction achieve similar goals? The complete paper investigates various well-construction c
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Dai, Guoyong, Qingzhang Chen, Kai Wang, Kezhen Ying та Chunyu Miao. "An Energy Efficient MAC Protocol for Linear WSNs". Chinese Journal of Electronics 24, № 4 (2015): 725–28. http://dx.doi.org/10.1049/cje.2015.10.010.

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50

Niewiadomska-Szynkiewicz, Ewa, and Michał P. Karpowicz. "Infrastructure and Energy Conservation in Big Data Computing: A Survey." Journal of Telecommunications and Information Technology 2 (June 28, 2019): 73–82. http://dx.doi.org/10.26636/jtit.2019.132419.

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Progress in life, physical sciences and technology depends on efficient data-mining and modern computing technologies. The rapid growth of data-intensive domains requires a continuous development of new solutions for network infrastructure, servers and storage in order to address Big Datarelated problems. Development of software frameworks, include smart calculation, communication management, data decomposition and allocation algorithms is clearly one of the major technological challenges we are faced with. Reduction in energy consumption is another challenge arising in connection with the devel
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