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  • Energy Research
  • 7. Clean energy
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Sit M.L.; Juravliov A.A.; Suvorov D.M.; Suvorova L.A.;

    The paper discusses options for district heating systems, including thermal power plants and heat pumps installed in individual heating centers of multi-story buildings. The aim of the work is to evaluate the energy efficiency of the options under consideration and the method of connecting piping to high-temperature return network water with a carbon dioxide heat pump. The goal is achieved due to the fact that one of the evaporators of the heat pump heating the new building or half of the existing building uses heat from return network water or from the first half of the building or from the whole building, and the second evaporator uses the heat of the outdoor air. Moreover, for high-temperature heating schedules, heat is taken out through a two-stage intermediate circuit containing two pumps, 2 heat exchangers and two expansion vessels. Significant results of the work are the developed scheme of the intermediate circuit of the carbon dioxide heat pump, which combines both the possibilities of working in a quantitative heat supply system and in the preparation of hot water for buildings during the non-heating period. The significance of the obtained results lies in the fact that the proposed technical solution allows to reduce fuel consumption for thermal power plants, consumers' expenses when paying for their consumed energy resources, increase the number of heat consumers connected to the thermal power plants through the use of heat pumps. The schemes of intermediate circuits of heat pumps for the quantitative law of regulating the operation mode of the heat supply system are also considered.

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    ZENODO
    Article . 2020
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    ZENODO
    Article . 2020
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    ZENODO
    Article . 2020
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ ZENODOarrow_drop_down
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      ZENODO
      Article . 2020
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      ZENODO
      Article . 2020
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      ZENODO
      Article . 2020
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  • На основе математического анализа экспериментальных данных показателей качества углей и угольных концентратов и выхода химических продуктов коксования методами корреляционного, регрессионного, канонического и кластерного анализов разработаны нейросетевые математические модели для прогноза исследуемых параметров. Полученные результаты в дальнейшем планируется использовать при составлении оптимальных шихт для коксования в реальных производственных условиях. On the basis of mathematical analysis of experimental data of coal and coal concentrates quality indicators and coking chemical products yield by the methods of correlation, regression, canonical and cluster analysis, neural network mathematical models for the forecast of the studied parameters have been developed. The obtained results are planned to be used in the future in the preparation of optimal charge for coking in real production conditions. №4(24) (2019)

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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: M E Rakhmetov; B Z Kenzhegulov; A N Muratkaliev; T B Gapuova;

    На основе энергетических принципов ориентированный на минимизации полной тепловой энергии упругих деформации в сочетании применении квадратичного конечного элемента с тремя узлами разработан вичислительный алгоритм и численно исследована термо-напряженно-деформированное состояние защемленного двумя концами стержня, постоянного поперечного сечения в зависимости наличия частичной теплоизоляции, теплового потока и теплообменов. The computational algorithm is developed and the thermo-stress-strain state of a rod fixed at two ends with a constant cross section depending on the presence of partial thermal insulation, heat flux and heat exchanges is numerically investigated, based on energy principles, focused on minimization of total thermal energy of elastic deformations combined with the use of a quadratic finite element with three nodes. №2(92) (2020)

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    https://dx.doi.org/10.23670/ir...
    Article . 2020
    License: CC BY
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      https://dx.doi.org/10.23670/ir...
      Article . 2020
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  • В первой из двух частей статьи предложены подходы к организации управления выполнением и внедрением разработок сложных проектов по созданию инновационных средств и технологий, обеспечивающих энергоэффективность железнодорожного транспорта. Рассмотрены методы оценки и классификации проектов по степени реализуемости и эффективности. Представлены модель и алгоритм планирования ресурсного обеспечения для комплекса проектов. The article consists of two parts. In the first part, we propose approaches for implementation of complex projects development to create innovative tools and technologies that ensure the energy efficiency at rail transport. We consider methods for evaluating and classifying projects according to their degree of feasibility and efficiency. We present the model and algorithm of resource planning for a set of projects. №74 (2018)

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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: V D, Vankhanen; A E, Nelepa;

    Energy spent by workers engaged in the basic departments of a coke-chemical plant during working hours and performing operations after the Douglas-Holdeine method was measured and total energy expenditures during separate periods of the day and as a whole determined. Depending upon their jobs the energy spent by the workers during working hours varies within a range of 825 to 1860 Kcal. The energy expenditure during the time outside work, including sleep, amounts to from 1482 up to 1756 Kcal. As concerns the calorific requirements of their alimentation the workers of coke-chemical industry are subdivided into 5 groups of labour-intensity within an interval of from 2500 to 3600 kcal (for men) and from 2200 to 3100 kcal (for women).

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  • По состоянию на 2018 г. мировое потребление первичных энергетических ресурсов составило 13 млрд т нефтяного эквивалента. Распределение по видам топлива: нефть 32,9 , твердое топливо 30,1 , газ 23,7 , атомная энергия 4,4 , гидроэнергетика 6,7 , возобновляемые и другие виды ресурсов 2,2 . Исследования в области развития возобновляемых источников энергии осуществляются большим числом ученых теоретиков и практиков, как за рубежом, так и в России. В связи с этим методология данного исследования строилась на системном подходе и использовании комплекса взаимодополняющих методов: сравнительный анализ источников энергии, ситуационный и стратегический анализ возможностей использования возобновляемой энергетики, нормативный и позитивный анализ использования применительно к различным странам и их регионам, метод кейс-стади для исследования реализованных проектов в сфере возобновляемой энергетики, нормативно-правовой анализ принятых законодательных актов и стратегий. Оценка роли возобновляемых источников энергии в социально-экономическом развитии регионов предполагала: сопоставление традиционных и альтернативных источников энергии, выявление их сравнительных преимуществ и недостатков определение качественных и количественных эффектов от проектов, реализованных на рынке возобновляемой энергетики. Потенциал развития возобновляемой энергетики оценивался как через возможные объемы выработки энергии, так и через их долю в общем объеме потребления. Особенностью проводимой оценки и новизной исследования стали, во-первых, ориентация на интересы регионов северо-запада России и, в частности, Республики Карелии и, во-вторых, междисциплинарный подход к анализу эффектов от использования возобновляемых источников энергии: оценивалось снижение затрат, сохранение окружающей среды и т. д. Формализация имеющихся эффектов и анализ факторов развития возобновляемой энергетики позволили определить перспективы и потенциал роста соответствующего рынка в российских регионах, выработать сценарии перехода к возобновляемой энергетике. Полученные результаты позволили сделать вывод о текущем и перспективном влиянии возобновляемой энергетики на социально-экономическое развитие территорий. As of 2018, the world consumption of primary energy resources amounted to 13 billion tons of oil equivalent. Fuel distribution: oil 32.9, solid fuel-30.1 , gas-23.7 , nuclear energy 4.4 , hydropower 6.7 , renewable and other resources 2.2 . Research in the field of renewable energy sources is carried out by a large number of scientists-theorists and practitioners, both abroad and in Russia. In this regard, the methodology of this study was based on a systematic approach and the use of a set of complementary methods: comparative analysis of energy sources situational and strategic analysis of the possibilities of using renewable energy, regulatory and positive analysis of the use in relation to different countries and their regions case-study method for the study of implemented projects in the field of renewable energy regulatory analysis of adopted legislation and strategies. Assessment of the role of renewable energy sources in the socio-economic development of the regions assumed: comparison of traditional and alternative energy sources, identification of their comparative advantages and disadvantages determination of qualitative and quantitative effects of the projects implemented at the renewable energy market. The potential of renewable energy development was assessed both through the possible volumes of energy production and their share in total consumption. Feature evaluation and novelty of the study were, firstly, focused on the interests of the regions of the North-West and, in particular, the Republic of Karelia, and, second, an interdisciplinary approach to the analysis of the effects of using renewable energy sources: estimated cost reduction, environmental preservation, etc. Formalizing the available effects and the analysis of factors of development of renewable energy allowed determining the prospects and growth potential of the relevant market in the Russian regions to develop scenarios of transition to renewable energy. The results made it possible to draw a conclusion about the current and future impact of renewable energy on the socio-economic development of the territories.

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  • The article considers priority vectors for sustainable development of international economic integration in the macro-region. This problem has not yet been sufficiently studied by foreign and domestic scientists, and is poorly reflected in the economic literature in both theoretical and practical aspects. This leads to the relevance and necessity of research, taking into account the sustainable growth of the macro-region 's economy. It is proposed to develop a clear strategy for the formation of foreign economic and international relations, as the highest priority task of the North Caucasus macro-region. At the same time, issues of reform of this sphere are considered as an objective necessity of its effective functioning. In this regard, priority vectors for the restructuring of services infrastructure have been identified, and the role of State regulation of development management of international economic integration of the North Caucasus macro-region has been noted. Based on the analysis, the authors conclude that there is a lag in the development of the material and technical base from the needs of growth of the economy and that the functioning of its industries is disproportionate in the face of the new challenges of globalization. В статье рассматриваются приоритетные векторы устойчивого развития международной экономической интеграции в макрорегионе. Данная проблематика пока еще недостаточно исследована зарубежными и отечественными учеными, слабо отражена в экономической литературе как в теоретическом, так и в практическом аспектах. Этим обусловлена актуальность и необходимость проведения исследований, с учетом устойчивого роста экономики. Предлагается разработать четкой стратегии формировании внешнеэкономических и международных отношений, как наиболее приоритетная задача Северо-Кавказского макрорегиона. При этом вопросы реформирования данной сферы рассматриваются как объективная необходимость её эффективного функционирования. В связи с этим определены приоритетные векторы реструктуризации инфраструктуры сферы услуг, отмечена роль государственного регулирования управления развитием международной экономической интеграции Северо-Кавказском регионе. На основании проведенного анализа авторы делают вывод о наличии отставания развития материально-технической базы от потребностей роста экономики и о непропорциональности функционирования её отраслей в условиях новых вызовов глобализации.

    https://doi.org/10.2...arrow_drop_down
    https://doi.org/10.26159/v5987...
    Conference object . 2024 . Peer-reviewed
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    Conference object . 2020
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      https://doi.org/10.2...arrow_drop_down
      https://doi.org/10.26159/v5987...
      Conference object . 2024 . Peer-reviewed
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      https://dx.doi.org/10.26159/v5...
      Conference object . 2020
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  • В статье показана деятельность региональной энергосбытовой компании, обеспечивающей население Тюменской области энергетическими ресурсами, представлены ее основные виды деятельности, дана организационно экономическая характеристика. Основной современный тренд данной компании — это курс на цифровизацию ее деятельности, ее бизнес-процессов, а также внедрение инновационных технологий. В статье отмечено, что энергосбытовая компания продолжает активную политику на модернизацию электросетевого и коммунального комплексов в рамках инвестиционной программы, реализация принципа социального партнерства работодателя и коллектива все это отражается в общей корпоративной политике компании. The article shows the activities of a regional energy marketing company that provides the population of the Tyumen region with energy resources, presents its main activities, and gives organizational and economic characteristics. The main modern trend of this company is a course towards digitalization of its activities, its business processes, as well as the introduction of innovative technologies. The article notes that the energy marketing company continues its active policy of modernizing the electric grid and utility complexes within the framework of the investment program, the implementation of the principle of social partnership between the employer and the team, all this is reflected in the general corporate policy of the company.

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    The issues of optimization of energy storage and diesel generator operation in the local power system on the basis of data on diesel generator fuel consumption and by the results of energy storage operation modeling are reviewed. The relations for estimating the cost of power generation, in accordance with the ratio of the diesel generator capacity to fuel consumption are obtained. The model is developed and the research of estimation of degree of reduction of service life of energy storage device according to the increase of number of charge-discharge cycles is carried out. The method of optimization of energy storage and diesel generator operation is presented with the example of its application to virtual autonomous local power system. It is shown that the proposed method of optimization of operation can be effectively applied to the optimal operation of energy storage device and diesel generator as a part of local power system. Рассмотрены вопросы оптимизации работы накопителя энергии и дизельного генератора в составе локальной энергосистемы на основании данных о расходе топлива дизельного генератора и по результатам моделирования работы накопителя энергии. Получены соотношения для оценки стоимости выработки электроэнергии с учетом соотношения мощности дизельного генератора с расходом топлива. Разработана модель и проведены исследования по оценке степени сокращения срока службы накопителя энергии в соответствии с увеличением числа циклов заряда-разряда. Представлен метод оптимизации работы накопителя энергии и дизельного генератора с примером применения его к виртуальной автономной локальной энергосистеме. Показано, что предложенный метод оптимизации работы может быть эффективно применен для оптимальной работы накопителя энергии и дизельного генератора в составе локальной энергосистемы. Международный научно-исследовательский журнал, Выпуск 9 (123) 2022

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  • Authors: S A, Akhamanov; A Iu, Borisov; R V, Danelius; V S, Kozlovskiĭ; +1 Authors

    Absorption changes of reaction centers from Rhodospirillum rubrum at 748, 796 and 870 nm induced by 532 and 870 nm picosecond light pulses were investigated with a picosecond spectrometer. Kinetics of absorption changes at 748 and 796 had an additional bleaching when induced by the 532 nm pulse, in comparison with those at 870 nm. The additional bleaching was interpreted as a result of the excitation energy transfer via spectral forms of pigments of reaction centers. The experimental results fit the mathematical simulation of the additional bleaching for the following set of rate constant values: intrinsic conversion to the lowest excited singlet state in bacteriopheophytine molecule--10(13) s-1, energy transfer from bacteriopheophytine to P800 3.10(12) s-1, from P800 to P870--2.10(12) s-1.

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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Sit M.L.; Juravliov A.A.; Suvorov D.M.; Suvorova L.A.;

    The paper discusses options for district heating systems, including thermal power plants and heat pumps installed in individual heating centers of multi-story buildings. The aim of the work is to evaluate the energy efficiency of the options under consideration and the method of connecting piping to high-temperature return network water with a carbon dioxide heat pump. The goal is achieved due to the fact that one of the evaporators of the heat pump heating the new building or half of the existing building uses heat from return network water or from the first half of the building or from the whole building, and the second evaporator uses the heat of the outdoor air. Moreover, for high-temperature heating schedules, heat is taken out through a two-stage intermediate circuit containing two pumps, 2 heat exchangers and two expansion vessels. Significant results of the work are the developed scheme of the intermediate circuit of the carbon dioxide heat pump, which combines both the possibilities of working in a quantitative heat supply system and in the preparation of hot water for buildings during the non-heating period. The significance of the obtained results lies in the fact that the proposed technical solution allows to reduce fuel consumption for thermal power plants, consumers' expenses when paying for their consumed energy resources, increase the number of heat consumers connected to the thermal power plants through the use of heat pumps. The schemes of intermediate circuits of heat pumps for the quantitative law of regulating the operation mode of the heat supply system are also considered.

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  • На основе математического анализа экспериментальных данных показателей качества углей и угольных концентратов и выхода химических продуктов коксования методами корреляционного, регрессионного, канонического и кластерного анализов разработаны нейросетевые математические модели для прогноза исследуемых параметров. Полученные результаты в дальнейшем планируется использовать при составлении оптимальных шихт для коксования в реальных производственных условиях. On the basis of mathematical analysis of experimental data of coal and coal concentrates quality indicators and coking chemical products yield by the methods of correlation, regression, canonical and cluster analysis, neural network mathematical models for the forecast of the studied parameters have been developed. The obtained results are planned to be used in the future in the preparation of optimal charge for coking in real production conditions. №4(24) (2019)

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    Authors: M E Rakhmetov; B Z Kenzhegulov; A N Muratkaliev; T B Gapuova;

    На основе энергетических принципов ориентированный на минимизации полной тепловой энергии упругих деформации в сочетании применении квадратичного конечного элемента с тремя узлами разработан вичислительный алгоритм и численно исследована термо-напряженно-деформированное состояние защемленного двумя концами стержня, постоянного поперечного сечения в зависимости наличия частичной теплоизоляции, теплового потока и теплообменов. The computational algorithm is developed and the thermo-stress-strain state of a rod fixed at two ends with a constant cross section depending on the presence of partial thermal insulation, heat flux and heat exchanges is numerically investigated, based on energy principles, focused on minimization of total thermal energy of elastic deformations combined with the use of a quadratic finite element with three nodes. №2(92) (2020)

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  • В первой из двух частей статьи предложены подходы к организации управления выполнением и внедрением разработок сложных проектов по созданию инновационных средств и технологий, обеспечивающих энергоэффективность железнодорожного транспорта. Рассмотрены методы оценки и классификации проектов по степени реализуемости и эффективности. Представлены модель и алгоритм планирования ресурсного обеспечения для комплекса проектов. The article consists of two parts. In the first part, we propose approaches for implementation of complex projects development to create innovative tools and technologies that ensure the energy efficiency at rail transport. We consider methods for evaluating and classifying projects according to their degree of feasibility and efficiency. We present the model and algorithm of resource planning for a set of projects. №74 (2018)

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    Authors: V D, Vankhanen; A E, Nelepa;

    Energy spent by workers engaged in the basic departments of a coke-chemical plant during working hours and performing operations after the Douglas-Holdeine method was measured and total energy expenditures during separate periods of the day and as a whole determined. Depending upon their jobs the energy spent by the workers during working hours varies within a range of 825 to 1860 Kcal. The energy expenditure during the time outside work, including sleep, amounts to from 1482 up to 1756 Kcal. As concerns the calorific requirements of their alimentation the workers of coke-chemical industry are subdivided into 5 groups of labour-intensity within an interval of from 2500 to 3600 kcal (for men) and from 2200 to 3100 kcal (for women).

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  • По состоянию на 2018 г. мировое потребление первичных энергетических ресурсов составило 13 млрд т нефтяного эквивалента. Распределение по видам топлива: нефть 32,9 , твердое топливо 30,1 , газ 23,7 , атомная энергия 4,4 , гидроэнергетика 6,7 , возобновляемые и другие виды ресурсов 2,2 . Исследования в области развития возобновляемых источников энергии осуществляются большим числом ученых теоретиков и практиков, как за рубежом, так и в России. В связи с этим методология данного исследования строилась на системном подходе и использовании комплекса взаимодополняющих методов: сравнительный анализ источников энергии, ситуационный и стратегический анализ возможностей использования возобновляемой энергетики, нормативный и позитивный анализ использования применительно к различным странам и их регионам, метод кейс-стади для исследования реализованных проектов в сфере возобновляемой энергетики, нормативно-правовой анализ принятых законодательных актов и стратегий. Оценка роли возобновляемых источников энергии в социально-экономическом развитии регионов предполагала: сопоставление традиционных и альтернативных источников энергии, выявление их сравнительных преимуществ и недостатков определение качественных и количественных эффектов от проектов, реализованных на рынке возобновляемой энергетики. Потенциал развития возобновляемой энергетики оценивался как через возможные объемы выработки энергии, так и через их долю в общем объеме потребления. Особенностью проводимой оценки и новизной исследования стали, во-первых, ориентация на интересы регионов северо-запада России и, в частности, Республики Карелии и, во-вторых, междисциплинарный подход к анализу эффектов от использования возобновляемых источников энергии: оценивалось снижение затрат, сохранение окружающей среды и т. д. Формализация имеющихся эффектов и анализ факторов развития возобновляемой энергетики позволили определить перспективы и потенциал роста соответствующего рынка в российских регионах, выработать сценарии перехода к возобновляемой энергетике. Полученные результаты позволили сделать вывод о текущем и перспективном влиянии возобновляемой энергетики на социально-экономическое развитие территорий. As of 2018, the world consumption of primary energy resources amounted to 13 billion tons of oil equivalent. Fuel distribution: oil 32.9, solid fuel-30.1 , gas-23.7 , nuclear energy 4.4 , hydropower 6.7 , renewable and other resources 2.2 . Research in the field of renewable energy sources is carried out by a large number of scientists-theorists and practitioners, both abroad and in Russia. In this regard, the methodology of this study was based on a systematic approach and the use of a set of complementary methods: comparative analysis of energy sources situational and strategic analysis of the possibilities of using renewable energy, regulatory and positive analysis of the use in relation to different countries and their regions case-study method for the study of implemented projects in the field of renewable energy regulatory analysis of adopted legislation and strategies. Assessment of the role of renewable energy sources in the socio-economic development of the regions assumed: comparison of traditional and alternative energy sources, identification of their comparative advantages and disadvantages determination of qualitative and quantitative effects of the projects implemented at the renewable energy market. The potential of renewable energy development was assessed both through the possible volumes of energy production and their share in total consumption. Feature evaluation and novelty of the study were, firstly, focused on the interests of the regions of the North-West and, in particular, the Republic of Karelia, and, second, an interdisciplinary approach to the analysis of the effects of using renewable energy sources: estimated cost reduction, environmental preservation, etc. Formalizing the available effects and the analysis of factors of development of renewable energy allowed determining the prospects and growth potential of the relevant market in the Russian regions to develop scenarios of transition to renewable energy. The results made it possible to draw a conclusion about the current and future impact of renewable energy on the socio-economic development of the territories.

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  • The article considers priority vectors for sustainable development of international economic integration in the macro-region. This problem has not yet been sufficiently studied by foreign and domestic scientists, and is poorly reflected in the economic literature in both theoretical and practical aspects. This leads to the relevance and necessity of research, taking into account the sustainable growth of the macro-region 's economy. It is proposed to develop a clear strategy for the formation of foreign economic and international relations, as the highest priority task of the North Caucasus macro-region. At the same time, issues of reform of this sphere are considered as an objective necessity of its effective functioning. In this regard, priority vectors for the restructuring of services infrastructure have been identified, and the role of State regulation of development management of international economic integration of the North Caucasus macro-region has been noted. Based on the analysis, the authors conclude that there is a lag in the development of the material and technical base from the needs of growth of the economy and that the functioning of its industries is disproportionate in the face of the new challenges of globalization. В статье рассматриваются приоритетные векторы устойчивого развития международной экономической интеграции в макрорегионе. Данная проблематика пока еще недостаточно исследована зарубежными и отечественными учеными, слабо отражена в экономической литературе как в теоретическом, так и в практическом аспектах. Этим обусловлена актуальность и необходимость проведения исследований, с учетом устойчивого роста экономики. Предлагается разработать четкой стратегии формировании внешнеэкономических и международных отношений, как наиболее приоритетная задача Северо-Кавказского макрорегиона. При этом вопросы реформирования данной сферы рассматриваются как объективная необходимость её эффективного функционирования. В связи с этим определены приоритетные векторы реструктуризации инфраструктуры сферы услуг, отмечена роль государственного регулирования управления развитием международной экономической интеграции Северо-Кавказском регионе. На основании проведенного анализа авторы делают вывод о наличии отставания развития материально-технической базы от потребностей роста экономики и о непропорциональности функционирования её отраслей в условиях новых вызовов глобализации.

    https://doi.org/10.2...arrow_drop_down
    https://doi.org/10.26159/v5987...
    Conference object . 2024 . Peer-reviewed
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    https://dx.doi.org/10.26159/v5...
    Conference object . 2020
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      https://doi.org/10.2...arrow_drop_down
      https://doi.org/10.26159/v5987...
      Conference object . 2024 . Peer-reviewed
      Data sources: Crossref
      https://dx.doi.org/10.26159/v5...
      Conference object . 2020
      Data sources: Datacite
      addClaim

      This Research product is the result of merged Research products in OpenAIRE.

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  • В статье показана деятельность региональной энергосбытовой компании, обеспечивающей население Тюменской области энергетическими ресурсами, представлены ее основные виды деятельности, дана организационно экономическая характеристика. Основной современный тренд данной компании — это курс на цифровизацию ее деятельности, ее бизнес-процессов, а также внедрение инновационных технологий. В статье отмечено, что энергосбытовая компания продолжает активную политику на модернизацию электросетевого и коммунального комплексов в рамках инвестиционной программы, реализация принципа социального партнерства работодателя и коллектива все это отражается в общей корпоративной политике компании. The article shows the activities of a regional energy marketing company that provides the population of the Tyumen region with energy resources, presents its main activities, and gives organizational and economic characteristics. The main modern trend of this company is a course towards digitalization of its activities, its business processes, as well as the introduction of innovative technologies. The article notes that the energy marketing company continues its active policy of modernizing the electric grid and utility complexes within the framework of the investment program, the implementation of the principle of social partnership between the employer and the team, all this is reflected in the general corporate policy of the company.

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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/

    The issues of optimization of energy storage and diesel generator operation in the local power system on the basis of data on diesel generator fuel consumption and by the results of energy storage operation modeling are reviewed. The relations for estimating the cost of power generation, in accordance with the ratio of the diesel generator capacity to fuel consumption are obtained. The model is developed and the research of estimation of degree of reduction of service life of energy storage device according to the increase of number of charge-discharge cycles is carried out. The method of optimization of energy storage and diesel generator operation is presented with the example of its application to virtual autonomous local power system. It is shown that the proposed method of optimization of operation can be effectively applied to the optimal operation of energy storage device and diesel generator as a part of local power system. Рассмотрены вопросы оптимизации работы накопителя энергии и дизельного генератора в составе локальной энергосистемы на основании данных о расходе топлива дизельного генератора и по результатам моделирования работы накопителя энергии. Получены соотношения для оценки стоимости выработки электроэнергии с учетом соотношения мощности дизельного генератора с расходом топлива. Разработана модель и проведены исследования по оценке степени сокращения срока службы накопителя энергии в соответствии с увеличением числа циклов заряда-разряда. Представлен метод оптимизации работы накопителя энергии и дизельного генератора с примером применения его к виртуальной автономной локальной энергосистеме. Показано, что предложенный метод оптимизации работы может быть эффективно применен для оптимальной работы накопителя энергии и дизельного генератора в составе локальной энергосистемы. Международный научно-исследовательский журнал, Выпуск 9 (123) 2022

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ https://dx.doi.org/1...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    https://dx.doi.org/10.23670/ir...
    Article . 2022
    License: CC BY
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ https://dx.doi.org/1...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      https://dx.doi.org/10.23670/ir...
      Article . 2022
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  • Authors: S A, Akhamanov; A Iu, Borisov; R V, Danelius; V S, Kozlovskiĭ; +1 Authors

    Absorption changes of reaction centers from Rhodospirillum rubrum at 748, 796 and 870 nm induced by 532 and 870 nm picosecond light pulses were investigated with a picosecond spectrometer. Kinetics of absorption changes at 748 and 796 had an additional bleaching when induced by the 532 nm pulse, in comparison with those at 870 nm. The additional bleaching was interpreted as a result of the excitation energy transfer via spectral forms of pigments of reaction centers. The experimental results fit the mathematical simulation of the additional bleaching for the following set of rate constant values: intrinsic conversion to the lowest excited singlet state in bacteriopheophytine molecule--10(13) s-1, energy transfer from bacteriopheophytine to P800 3.10(12) s-1, from P800 to P870--2.10(12) s-1.

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