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Relevant bibliographies by topics / Energy accumulation system

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Journal articles

Academic literature on the topic 'Energy accumulation system'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 May 2022

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Journal articles on the topic "Energy accumulation system"

1

Narita, Katsuhiko. "Energy Accumulation System by Heat Pumps." Journal of the Society of Mechanical Engineers 95, no. 878 (1992): 56–61. http://dx.doi.org/10.1299/jsmemag.95.878_56.

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2

Belik, Milan. "Optimisation of Energy Accumulation for Renewable Energy Sources." Renewable Energy and Power Quality Journal 19 (September 2021): 205–10. http://dx.doi.org/10.24084/repqj19.258.

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This project focuses on optimisation of energy accumulation for various types of distributed renewable energy sources. The main goal is to prepare charging – discharging strategy depending on actual power consumption and prediction of consumption and production of utilised renewable energy sources for future period. The simulation is based on real long term data measured on photovoltaic system, wind power station and meteo station between 2004 – 2021. The data from meteo station serve as the input for the simulation and prediction of the future production while the data from PV system and wind turbine are used either as actual production or as a verification of the predicted values. Various parameters are used for trimming of the optimisation process. Influence of the charging strategy, discharging strategy, values and shape of the demand from the grid and prices is described on typical examples of the simulations. The main goal is to prepare and verify the system in real conditions with real load chart and real consumption defined by the model building with integrated renewable energy sources. The system can be later used in general installations on commercial or residential buildings.

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3

Durcansky, Peter, David Hecko, and Milan Malcho. "PRIMARY ENERGY ACCUMULATION THROUGH ADVANCED GAS HYDRATES SYSTEM." International Journal of Research -GRANTHAALAYAH 7, no. 5 (2019): 278–83. http://dx.doi.org/10.29121/granthaalayah.v7.i5.2019.846.

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Accumulation of primary energy of natural gas is a perspective industrial area mainly for countries dependent on the import of energy and raw materials. Transporting and storage of natural gas is economically and technologically demanding, which is always reflected in the resulting price. Natural gas hydrates allow transport and storage at low pressures and relatively favorable temperatures. Another no less important area is the storage of energy in biogas plants where gas formation is time-dependent. Biogas hydrates would allow short-term storage at room temperature and atmospheric pressure. This article deals with the design of a functional prototype for the production of hydrates and numerical simulation.

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4

Dostál, Zdeněk, and Michaela Solanská. "Calculation of accumulation unit for renewable energy source system." Journal of Energy Storage 14 (December 2017): 410–15. http://dx.doi.org/10.1016/j.est.2017.05.016.

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5

Chоvniuk, Yuriy, Petro Cherednichenko, Anna Moskvitina, and Maria Shyshyna. "CALCULATION OF CONSTRUCTION ELEMENTS OF HEAT ACCUMULATORS WITH LIQUID AND SOLID HEAT-ACCUMULATING MATERIAL." Urban development and spatial planning, no. 77 (May 24, 2021): 475–86. http://dx.doi.org/10.32347/2076-815x.2021.77.475-486.

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The depletion of traditional fuel resources and the deterioration of the ecology of the environment, an increase in emissions into the air make the research on renewable energy and the need to attract clean energy sources to the energy balance of Ukraine. A promising direction is the use of solar energy for municipal heat supply, which can provide large heat needs even in temperate climates. Basically, the methods of using thermal energy from the sun are generally economically effective, but the share of using thermal solar energy is quite small. It can also be solved by accumulating these surpluses and using them during the heating season. The experience of operating unorganized seasonal heat accumulators in the soil indicates the low efficiency of such heat storage due to significant heat losses into the surrounding soil mass. For such systems (solar collectors + seasonal heat accumulator), it is advisable to use organized seasonal heat accumulators, which are designed for a certain amount of heat. An organized seasonal heat accumulator is understood as a heat storage system, which consists of a heat insulated tank for storing heat storage material and a heat carrier, which is used to transport heat to the heat storage material during its accumulation during the warm period and heat supply in the cold season from the heat storage material to energy consuming systems (heating system, hot water supply, etc.). The design of a heat accumulator with solid and liquid heat accumulating material is considered, in which a more uniform distribution of temperatures in the volume of the heat accumulator is achieved. A method for calculating structural elements for a heat accumulator with liquid and solid heat accumulating material has been developed, taking into account the heat loss of the heat accumulator and the characteristics of the soils at the construction site.

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6

Demchenko, Vladimir, Alina Konyk, and Vladimir Falko. "Mobile Thermal Energy Storage." NTU "KhPI" Bulletin: Power and heat engineering processes and equipment, no. 3 (December 30, 2021): 44–50. http://dx.doi.org/10.20998/2078-774x.2021.03.06.

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The article is devoted to topical issues related to the storage, accumulation and transportation of heat by stationary and mobile heat storage. Analysis of the current state of the district heating system indicates significant heat losses at all stages of providing the consumer with heat. The use of heat storage in heat supply systems leads to balancing the heat supply system, namely, the peak load is reduced; heat production schedules are optimized by accumulating excess energy and using it during emergency outages; heat losses caused by uneven operation of thermal equipment during heat generation are reduced; the need for primary energy and fuel consumption is reduced, as well as the amount of harmful emissions into the environment. The main focus is on mobile thermal batteries (M-TES). The use of M-TES makes it possible to build a completely new discrete heat supply system without the traditional pipeline transport of the heat carrier. The defining parameters affecting the efficiency of the M-TES are the reliability and convenience of the design, the efficiency and volume of the “working fluid”, the operating temperature of the MTA recharging and the distance of transportation from the heat source to the consumer. The article contains examples of the implementation of mobile heat accumulators in the world and in Ukraine, their technical and technological characteristics, scope and degree of efficiency. The technical indicators of the implemented project for the creation of a mobile heat accumulator located in a 20-foot container and intended for transportation by any available means of transport are given.

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7

Sopov, Anatoliy I., and Aleksandr Vinogradov. "Ground Heat Accumulator for Backup Heat Supply of Energy Facilities." Elektrotekhnologii i elektrooborudovanie v APK 1, no. 42 (2021): 50–54. http://dx.doi.org/10.22314/2658-4859-2021-68-1-50-54.

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Many power grid facilities require heating in winter. For their heating, they usually install a system of electric heaters, connect mini gas boilers or use the thermal emissions of working electrical installations, since these objects are often located away from the sources of central heating. This leads to additional costs for the organization's own needs. It is proposed to accumulate the excess heat generated by using a ground heat accumulator, which will allow you to accumulate heat in warm periods of the year and when there is an excess of thermal energy in the system, and then use the thermal energy of the accumulator to heat the object. (Research purpose) The research purpose is in developing a ground heat accumulator capable of accumulating excess heat energy generated during the operation of high-power transformers and, if necessary, to transfer the accumulated heat to the heat supply system of energy facilities. (Materials and methods) The article considers the advantages of introducing heat storage in the heat supply systems of various facilities. Authors conducted a literary analysis of various methods of heat accumulation. (Results and discussion) The article presents the justification for the choice of a ground heat accumulator. Authors have completed the description of the proposed battery and the technology of its creation. The article describes the method of calculation of the main elements of the selected type of heat accumulator and the quantitative characteristics of the accumulator on the example of real objects. The article describes the operation of the battery in interaction with a heat pump and a horizontal ground heat exchanger. (Conclusions) The use of a heat accumulator as a backup source for energy facilities allows organizations to reduce the cost of heating premises and equipment. Additional functions that the ground heat accumulator is capable of performing are identified.

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8

Shairi, Nur Amira Shahieda, Ruzlaini Ghoni, and Kharudin Ali. "SOLAR PANEL DUST MONITORING SYSTEM." Engineering Heritage Journal 4, no. 2 (2020): 44–45. http://dx.doi.org/10.26480/gwk.02.2020.44.45.

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Solar energy has been one of the most explored sources of renewable due to its economical source of energy. However, the main barrier for solar energy generation is the present of dust particles on the panel surface that decreases its performance. Hence, persistent monitoring on dust accumulation is of importance to guarantee the optimum power is achieved. Thus, this research aims to develop the real-time dust monitoring system of the solar panel. A dust sensor with IoT will be developed for this purpose. The reading of dust accumulation will be recorded and is accessible online through smartphones or desktop.

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9

Mukhammadiev, M. M., B. U. Urishev, A. Abduaziz uulu, S. K. Gadaev, and S. U. Zhankabylov. "Issues of using local energy systems with hydraulic energy storage in the power system of the republic of Uzbekistan." E3S Web of Conferences 216 (2020): 01138. http://dx.doi.org/10.1051/e3sconf/202021601138.

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The method of determining the main energy parameters of a local energy system based on renewable sources with hydraulic accumulation of part of the generated energy is considered. The example shows the economic efficiency of hydraulic energy storage in comparison with lithium-ion batteries.

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10

Valtera, Jan, and Jaroslav Beran. "Magnetic-mechanical accumulator of kinetic energy." Autex Research Journal 14, no. 1 (2014): 1–6. http://dx.doi.org/10.2478/v10304-012-0038-0.

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Abstract The paper focuses on the process of non-contacting kinetic energy accumulation at the dead-end positions of a reciprocating rectilinear motion with a variable stroke. It describes the development of a magnetic-mechanical accumulator that absorbs energy while the moving part is decelerating towards the dead-end position and releases the energy back to the system while it is accelerating from the dead-end position. At the same time, it enables stroke modification of a certain level with a minimal impact on the maximum force of the accumulator. With respect to the magneto-static analysis of components, the preload of the mechanical element has been set accordingly. The dynamic analysis of the system has been carried out and the prototype produced and tested on the testing rig.

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