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Journal articles on the topic 'Energy accumulation system'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 May 2022

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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

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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.

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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 sur

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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 gener

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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 the

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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 smartp

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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

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Kellendonk, Christoph, Sandra Eiden, Oliver Kretz, et al. "Inactivation of the GR in the Nervous System Affects Energy Accumulation." Endocrinology 143, no. 6 (2002): 2333–40. http://dx.doi.org/10.1210/endo.143.6.8853.

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Jin, Zhijun, Jinchuan Zhang, and Xuan Tang. "Unconventional natural gas accumulation system." Natural Gas Industry B 9, no. 1 (2022): 9–19. http://dx.doi.org/10.1016/j.ngib.2021.08.013.

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Bratyuk, P. "MODELING OF ENERGY STORAGE PROCESSES IN ELECTROMECHANICAL SYSTEMS ON THE BASIS OF THE PROVISIONS OF THE VIRAL THEOREM." Electromechanical and energy saving systems 3, no. 51 (2020): 8–18. http://dx.doi.org/10.30929/2072-2052.2020.3.51.8-18.

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Purpose. According to the results of research initiated by revealing the paradox of energies of disturbed lever equilibrium, and on the basis of the virial theorem, a formalized physical mechanism of accumulation of viral energy of forces acting in the system of material points is established. The equilibrium state is introduced into the mathematical apparatus of the viral theorem as an initial condition for averaging energy over time, which complements the statistical method with an agreed formalized physical mechanism of energy accumulation due to the imbalance of the system. Instead, the me

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14

Liu, Wei Fu, Shuang Long Liu, and Li Xin Sun. "Distribution and Accumulation of Energy Resources in Ordos Basin." Advanced Materials Research 912-914 (April 2014): 1621–24. http://dx.doi.org/10.4028/www.scientific.net/amr.912-914.1621.

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Ordos basin is prolific in petroleum, natural gas, and coal resources, and is an important energy base in our country. The petroleum distributes in Jurassic to be subjected by the eroding river valley and Triassic to be subjected by depositional system of delta. The natural gas distributes in Upper Paleozoic to be controlled by the delta depositional system and Lower Paleozoic to be controlled by the fossil weathered crusts. The coal distribute in Permo-Carboniferous, Triassic and Jurassic, which has been controlled by the turning stage of tectonism and palaeokarsts. The distribution of oil, g

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15

Avilov, A. S., A. K. Kuligin, U. Pietsch, J. C. H. Spence, V. G. Tsirelson, and J. M. Zuo. "Scanning system for high-energy electron diffractometry." Journal of Applied Crystallography 32, no. 6 (1999): 1033–38. http://dx.doi.org/10.1107/s0021889899006755.

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A new electron diffractometer with a diffraction-pattern scanning system in front of a fixed counter has been developed. Significant improvement was achieved in the measured diffraction intensities by using fast electronics and additional control of the stability of the electron beam. The measurement of and accounting for the gear-frequency characteristic of the registration system was performed, and the signal accumulation mode for intensity measurements together with advanced statistical data processing were employed. Good agreement between the experimental and Hartree–Fock structure factors

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Bie, Pei, Zhong Kang Wei, Bu Han Zhang, et al. "Dynamic Economic Dispatch of Wind Power Incorporated System." Advanced Materials Research 953-954 (June 2014): 570–74. http://dx.doi.org/10.4028/www.scientific.net/amr.953-954.570.

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Wind energy source has been paid high attention to and developed into one of the most mature and largest-scale mode of new energy power generation. However, the uncertainty and fluctuation of wind power brings great challenge to the normal operation of power system. In this paper, the dynamic economic dispatch of wind power incorporated system is demonstrated. The accumulation variable method based on chance constraint programming is adopted to make the dynamic economic dispatch. The test example shows that the accumulation variable method based on chance constraint programming is suitable and

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17

Loskutov, A. B., E. N. Sosnina, A. I. Chivenkov, E. V. Kryukov, and A. P. Shashkin. "Research of experimental hybrid energy complex with fuel cells operating on biogas." E3S Web of Conferences 124 (2019): 01044. http://dx.doi.org/10.1051/e3sconf/201912401044.

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The article deals with the development of a hybrid energy complex (HEC) based on solid oxide fuel cells (SOFC) operating on biogas. Low maneuverability of SOFC prevents a widespread use of such power installations in consumers’ power supply systems. The authors have developed the design of the HEC and an active-adaptive control system that allows solving the problem of SOFC low maneuverability. An experimental HEC consisting of a SOFC generation system, an accumulation system, a coupling system and a control system have been created. The research of the experimental HEC characteristics and the

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18

Blumberga, D., E. Vigants, F. Romagnoli, A. Blumberga, S. N. Kalnins, and I. Veidenbergs. "Hybrid System with Biomethanation for Wind Energy Accumulation in the Baltic Countries." Energy Procedia 75 (August 2015): 754–59. http://dx.doi.org/10.1016/j.egypro.2015.07.507.

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Arboleya, Pablo, Islam El-Sayed, Bassam Mohamed, and Clement Mayet. "Modeling, Simulationand Analysis of On-Board Hybrid Energy Storage Systems for Railway Applications." Energies 12, no. 11 (2019): 2199. http://dx.doi.org/10.3390/en12112199.

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In this paper, a decoupled model of a train including an on-board hybrid accumulation system is presented to be used in DC traction networks. The train and the accumulation system behavior are modeled separately, and the results are then combined in order to study the effect of the whole system on the traction electrical network. The model is designed specifically to be used with power flow solvers for planning purposes. The validation has been carried out comparing the results with other methods previously developed and also with experimental measurements. A detailed description of the power

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20

Nezevak, V. L. "Comparison of energy parameters of electric storage systems for DC and AC traction power supply systems." Russian Railway Science 81, no. 1 (2022): 38–52. http://dx.doi.org/10.21780/2223-9731-2022-81-1-38-52.

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Introduction. The article discusses the energy parameters of electric power storage systems for DC and AC traction power supply systems. The purpose of the research is to evaluate the energy parameters of electric power storage systems located within the inter-substation zone boundaries of the AC traction power supply system at the 25 kV voltage.Materials and methods. The author used the methods of modeling, statistics and the experimental results processing. Moreover, the paper presented the parameter estimation of the energy accumulation system on the basis of the traction calculations for t

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21

Momose, T., K. Narushima, K. Kanazawa, H. Mizuno, H. Watanabe, and H. Ishimaru. "Operational Characteristics of the Tristan Accumulation Ring Vacuum System." IEEE Transactions on Nuclear Science 32, no. 5 (1985): 3809–11. http://dx.doi.org/10.1109/tns.1985.4334511.

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22

Lutz, Yves, Alexis Matwyschuk, and Jean-Michel Poyet. "Experimental SWIR gated viewing in accumulation mode." Advanced Optical Technologies 8, no. 6 (2019): 437–43. http://dx.doi.org/10.1515/aot-2019-0038.

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Abstract The recent availability of imaging sensors able to work in accumulation mode in the SWIR spectral range allows the realization of new efficient range-gated viewing systems. Such systems relax the illumination constraint so that the energy required to build an image can be distributed over several laser pulses. Semiconductor or fiber lasers can be used instead of high peak power solid state lasers. Such a system was realized in our laboratory, tested, and compared to a more classical flash system under outdoor conditions. In a first step, images of the same scenes recorded in the same

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23

Vecherkovskiy, A. F., P. E. Egorov, A. B. Miloradov, and A. B. Filatov. "Onboard scanning system for photodetector with time delay and charge accumulation." Journal of «Almaz – Antey» Air and Space Defence Corporation, no. 4 (December 30, 2016): 49–57. http://dx.doi.org/10.38013/2542-0542-2016-4-49-57.

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The study describes scanning space-based assets which, by means of a flat scanning mirror and an optical system, provides the transformation of the object space into a temporal sequence of electronic signals of a photodetector with a time delay and charge accumulation. High accuracy of photodetector elements polling and scanning of the object space is due to the movement of the scanning mirror according to the indications of a non-contact interferometric angle sensor. The reciprocating rotary scanning by a flat mirror is kinetically compensated by the opposite motion of the flywheel, which min

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Dzikevics, Mikelis, Ance Ansone, and Ivars Veidenbergs. "Experimental investigation of flow rate impact on thermal accumulation system with PCM." Energy Procedia 128 (September 2017): 386–92. http://dx.doi.org/10.1016/j.egypro.2017.09.043.

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FUKUI, Ren, Kokyo BA, Ryojun IKEURA, Soichiro HAYAKAWA, Shigeyoshi TSUTSUMI, and Hideki Sawai. "Control for a Series Elasticity Actuator System with a Brake by Energy Accumulation." Proceedings of Conference of Tokai Branch 2019.68 (2019): 508. http://dx.doi.org/10.1299/jsmetokai.2019.68.508.

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Borman, V. D., A. A. Belogorlov, A. M. Grekhov, G. V. Lisichkin, V. N. Tronin, and V. I. Troyan. "The mechanism of mechanical energy accumulation in a nonwetting liquid-nanoporous solid system." Technical Physics Letters 30, no. 12 (2004): 973–75. http://dx.doi.org/10.1134/1.1846831.

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El-Borhamy, Mohamed, Tamer Medhat, and Manal E. Ali. "Chaos Prediction in Fractional Delayed Energy-Based Models of Capital Accumulation." Complexity 2021 (March 8, 2021): 1–14. http://dx.doi.org/10.1155/2021/8751963.

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This paper presents the nonlinear dynamic analysis of energy-based models arisen from the applied systems characterized by the energy transport in the presence of fractional order derivative and time delay. The studied model is the fractional version of Bianca-Ferrara-Dalgaard-Strulik (BFDS) model of economy which is viewed as a transport network for energy in which the law of motion of capital occurs. By considering the time delay as bifurcation parameter, a proof to investigate the existence of Hopf bifurcation and the phase lock solutions using the Poincare-Linstedt and the harmonic balance

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Smigielski, AJ, ME Muir, and BJ Wallace. "Studies on the Accumulation of Putrescine and Spermidine in Escherichia coli." Australian Journal of Biological Sciences 38, no. 4 (1985): 383. http://dx.doi.org/10.1071/bi9850383.

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The rate of accumulation of the polyamines spermidine and putrescine by E. coli depended on growth rate. Spermidine ac~umulation was faster in chemostat cultures with high dilution rates than in those with low dilution rates and was slower in bacteria that had been grown for several generations with either putrescine or spermidine, suggesting that the spermidine-uptake system was repressed by exogenous polyamines. The uptake of spermidine required metabolic energy. Thus accumulation occurred in an energy-starved unc strain only upon addition of glucose (or D-lactate to a smaller extent). With

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Polikarpova, Ilze, Dace Lauka, Dagnija Blumberga, and Edgars Vigants. "Multi-Criteria Analysis to Select Renewable Energy Solution for District Heating System." Environmental and Climate Technologies 23, no. 3 (2019): 101–9. http://dx.doi.org/10.2478/rtuect-2019-0082.

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Abstract The research paper is focused on how to choose the most suitable renewable energy solution using multi-criteria analysis for a district heating system. Making choices is based on indicators – economic, environmental and social. In this case, the study used five indicators: resources costs, totals investments, reduction of greenhouse gas emissions, specific weight of renewable energy resources and impact on utilized land. Three situations have been compared – current situation: gas boiler, planned: solar collectors 21 595 m2 + accumulation tank 8000 m3 and alternatives: solar PV panels

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Kolkovska, H. M., B. I. Rachiy, P. I. Kolkovskyi, I. P. Yaremiy, N. Ya Ivanichok, and R. P. Lisovskiy. "Mechanisms of charge accumulation of the electrochemical system LaMnO3 / AC." Physics and Chemistry of Solid State 22, no. 4 (2021): 644–54. http://dx.doi.org/10.15330/pcss.22.4.644-654.

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In this work, the electrochemical behavior of LaMnO3 perovskite material and nanoporous carbon material in an aqueous solution of lithium sulfate are studied. The regularities of the expediency of the joint functioning of these materials as electrodes for a hybrid electrochemical capacitor are determined. It was found that the value of the specific capacity of the investigated electrochemical system of LaMnO3 / electrolyte / AC is 52 F/g during the discharge of the system to 1 V and the value of specific energy is 112.1 J /g at a discharge current of 1 mA.

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Kucybała, Piotr. "Hydro-Pneumatic Accumulator Study with the Use of Thermodynamic Model Simulation." Key Engineering Materials 542 (February 2013): 97–104. http://dx.doi.org/10.4028/www.scientific.net/kem.542.97.

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The presented paper deals the simulation model of hydro-pneumatic accumulator. Mathematical model of the system uses the motion and flow continuity equations as well as formulas determining hydro-pneumatic piston accumulator behavior. In accumulator model heat transfer phenomena are included and Van der Waals real gas low, to calculate gas parameters during its operation. Modeling and simulation tests are performed for different work cycles to determine the key parameters of hydrostatic system associated with energy saving, such as: piston velocity, working pressure and heat flux. The aim of t

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Gorás, M., Z. Vranayová, and F. Vranay. "The trend of using solar energy of a green intelligent building and thermal energy storage to reduce the energy intensity of the building." IOP Conference Series: Materials Science and Engineering 1209, no. 1 (2021): 012069. http://dx.doi.org/10.1088/1757-899x/1209/1/012069.

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Abstract The trend is to reduce the energy intensity of buildings. Thermal energy storage (TES) is the biggest challenge for buildings. It is a technology that supplies thermal energy by heating or cooling a tank, which then serves for the system in the building. Comparison of hitherto known systems ATES, BTES, PTES and research TTES. The most important factors for the accumulation of thermal energy are capacity (the energy stored in the system - depends on the storage process, the medium, and the size of the system), power (how fast the energy stored in the system can be discharged and charge

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Chao, Kuei-Hsiang, Yu-Ju Lai, and Wen-Ching Chang. "Development of a Stand-Alone Photovoltaic System Considering Shaded Effect for Energy Storage and Release." Electronics 8, no. 5 (2019): 567. http://dx.doi.org/10.3390/electronics8050567.

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The purpose of this study was to develop a photovoltaic system that stores energy for use in direct current micro-grid systems or to supply electric power to consumers living in remote areas. If the photovoltaic module array is shaded, the signals of conventional maximum power point trackers (MPPT) may be trapped at the local power maxima. Therefore, this study developed a smart maximum power point tracker to track the maximum power point (MPP). The control method adopted a teaching learning based optimization (TLBO) algorithm. To adjust the energy flow direction of the direct current load ter

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Posmetev, Valeriy, Vadim Nikonov, Viktor Posmetev, and Vladimir Zelikov. "COMPUTER SIMULATION RESULTS OF FUNCTIONING OF THE PNEUMATIC SUBSYSTEM OF RECOVERABLE HYDRAULIC DRIVE OF A FOREST TRUCK WITH A SEMI-TRAILER." Forestry Engineering Journal 10, no. 1 (2020): 233–43. http://dx.doi.org/10.34220/issn.2222-7962/2020.1/17.

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The relevance of developing new devices for accumulation and conversion of compressed air energy in a regenerative hydraulic drive of a timber truck with a semitrailer has been substantiated. The layout of recuperative mechanisms on a timber tractor with a semitrailer and the diagram of a recuperative hydraulic drive with subsystems for accumulating and converting compressed air energy are presented. A simplified diagram of a pneumatic energy-saving system for studying the functioning of the subsystems of accumulation and energy conversion of compressed air is presented. A mathematical model h

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Smusz, Robert, Paweł Kielan, and Damian Mazur. "Analysis of thermal stratified storage tank." Archives of Electrical Engineering 66, no. 3 (2017): 631–42. http://dx.doi.org/10.1515/aee-2017-0048.

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Abstract The basic aim of the task is to compile a temperature stratification system in an accumulation tank. The range of the thesis concerns the shape and dimensions of a stratification system for an accumulation tank. Thermal stratification is a process that comprises the maintaining of temperature stratification at different levels of an accumulation tank which reduce to a minimum the process of temperature equalization. It results from the fact that the thermal stratification in a tank significantly increases the installation efficiency and improves the process of energy storing. It is co

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Sobchuk, Valentyn, Oleg Barabash, Andriy Musienko, and Olha Svynchuk. "Adaptive accumulation and diagnostic information systems of enterprises in energy and industry sectors." E3S Web of Conferences 250 (2021): 08002. http://dx.doi.org/10.1051/e3sconf/202125008002.

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Our paper describes the methodology of an effective system construction based on information systems self-diagnosis using the case of Ukrainian enterprises in metallurgy, energy, and chemical industry. It describes the method of organization and implementation of self-diagnosis, mechanisms of detection, as well as the identification and localization of failed modules. The results formulate the criteria of sufficiency of efficiency of diagnostic information in the absence of restrictions on performance of elementary checks. Moreover, it yields the criterion of sufficiency of diagnostic informat

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Alawasa, Khaled M., Rashid S. AlAbri, Amer S. Al-Hinai, Mohammed H. Albadi, and Abdullah H. Al-Badi. "Experimental Study on the Effect of Dust Deposition on a Car Park Photovoltaic System with Different Cleaning Cycles." Sustainability 13, no. 14 (2021): 7636. http://dx.doi.org/10.3390/su13147636.

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For a decade, investments in solar photovoltaic (PV) systems have been increasing exponentially in the Middle East. Broadly speaking, these investments have been facing tremendous challenges due to the harsh weather in this particular part of the world. Dust accumulation is one the challenges that negatively affects the performance of solar PV systems. The overall goal of this paper is to thoroughly investigate the effect of dust accumulation on the energy yield of car park PV systems. With this aim in mind, the paper presents scientific values for further research and opens the horizon for at

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Mroz, A., A. Orlowska, and J. Holnicki-Szulc. "Semi-Active Damping of Vibrations. Prestress Accumulation-Release Strategy Development." Shock and Vibration 17, no. 2 (2010): 123–36. http://dx.doi.org/10.1155/2010/126402.

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New method for semi-active control of vibrating structures is introduced. So-called Prestress Accumulation-Release (PAR) strategy aims at releasing of the strain energy accumulated in the structure during its deformation process. The strain energy is converted into kinetic energy of higher modes of vibration which is suppressed with structural damping or by means of a damping device. The adaptation process essentially affects the first mode vibrations by introducing an elastic force that opposes the movement. Numerical simulations as well as experimental results prove that the strategy can be

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Gevorgyan, A. A. "Optical Energy Accumulation by a System Comprising an Optical Diode, Insulating Layer, and Mirror." Technical Physics 50, no. 5 (2005): 625. http://dx.doi.org/10.1134/1.1927219.

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Yan, Xiaojin, and Yan Pan. "Performance analysis of heat accumulation of solar thermal generator units by computer numerical simulation." Thermal Science 24, no. 5 Part B (2020): 3279–87. http://dx.doi.org/10.2298/tsci191129119y.

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The core carrier working substances of heat accumulation of solar thermal generator units are analyzed through computer numerical simulation analysis and simulation experiments, including the selection criteria of working substances, the mechanism of heat accumulation system, the correlation between power generation efficiency and the evaporation temperature of working substance, the correlation between the condensing temperature and condensing pressure of working substance, and the influence of working substance velocity on heat accumulation capacity. The results show that under the same radi

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Sipkova, Veronika, Jiri Labudek, and Otakar Galas. "Low Energy Source Synthetic Thermal Energy Storage (STES)." Advanced Materials Research 899 (February 2014): 143–46. http://dx.doi.org/10.4028/www.scientific.net/amr.899.143.

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The team of Building environment in VŠB-Technical university of Ostrava works intensively on options in long-term accumulation of heat in underground storages. The new concept follows the Directive of the European Parliament and of the Council 2010/31/EU on the energy performance of buildings [1]. The Directive requires that energy should be extensively covered of renewable sources produced at or in the vicinity of building, where it will be consumed. The aim of the research is create thermal energy storage with model structure for complex of family house. For the storage will be used recycle

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Gardner, Christopher L., Paran J. Sarma, and Erik Kjeang. "Accumulation of Inert Impurities in a Polymer Electrolyte Fuel Cell System with Anode Recirculation and Periodic Purge: A Simple Analytical Model." Energies 15, no. 6 (2022): 1968. http://dx.doi.org/10.3390/en15061968.

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Anode recirculation with periodic purge is commonly used in polymer electrolyte fuel cell systems to control the accumulation of nitrogen, water, and other impurities that are present in the fuel or diffuse through the membrane from the cathode compartment. In this work, we develop a simple, generalized analytical model that simulates the time dependence of the accumulation of inert impurities in the anode compartment of such a system. It is shown that, when there is transport out of the anode chamber, the inert species is expected to accumulate exponentially until equilibrium is reached when

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BALABIN, ALEKSANDR A. "OPERATION ANALYSIS AND RECOMMENDATIONS FOR IMPROVING THE ELECTRIC ENERGY STORAGE SYSTEM INSTALLED IN THE RURAL 0.4 KV POWER GRID." Agricultural engineering, no. 1 (2022): 72–79. http://dx.doi.org/10.26897/2687-1149-2022-1-4-72-79.

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To optimize the modes of operation of the power system, improve the power supply reliability to consumers and improve the quality of power supplied to the grid, power storage systems are used as the main and backup power sources. The analysis of the practical experience of using the accumulation system is rather topical nowadays. The authors analyze the practical application in the 0.4 kV power grid “Orelenergo” of an electric energy storage system in the form of a 20 kWh storage device of the MRSK2.0/ESS-50.40 type, installed to improve the quality of electric energy. The article gives an ove

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Nizetic, Sandro, Roko Gizdic, Ankit Yadav, and Miro Bugarin. "Integrated Split Heat Pump System for Building Applications." Applied Mechanics and Materials 705 (December 2014): 263–67. http://dx.doi.org/10.4028/www.scientific.net/amm.705.263.

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In this paper, a design of a specific hybrid energy system is elaborated for small scale applications in building facilities of residential or commercial purpose. The energy system is assembled from existing market available technologies that include implementation of a heat pump technology, photovoltaic system and of a standard accumulation boiler for the preparation of hot water. The developed energy system is assumed to be used in mild climates where a heat pump system can be efficiently used throughout the year. According to the gained experimental results the coefficient of the performanc

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Böszörményi, L., and E. Šiváková. "Contribution to mathematical modelling of charging and discharging of the seasonal heat storage tank." International Review of Applied Sciences and Engineering 3, no. 1 (2012): 75–79. http://dx.doi.org/10.1556/irase.3.2012.1.9.

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Abstract The seasonal heat storage tank is the most important component of the SDH system, which allows significant increase in the share of solar energy in heat supply in comparison with conventional solar systems with short-term accumulation of heat. The adverse impact of their investment sophistication on competitiveness may be compensated by the increased use. For example: Administrative cooperation with heat pump allows increasing the accumulation capacity of the seasonal heat storage tank. Such cooperetion causes the direct use of heating energy and the accumulation of cooling energy pro

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Huang, K., S. K. Srivastava, and D. A. Cartes. "Solving the Information Accumulation Problem in Mesh Structured Agent System." IEEE Transactions on Power Systems 22, no. 1 (2007): 493–95. http://dx.doi.org/10.1109/tpwrs.2006.888949.

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Yuvan, Steven, and Martin Bier. "Accumulation of Particles and Formation of a Dissipative Structure in a Nonequilibrium Bath." Entropy 24, no. 2 (2022): 189. http://dx.doi.org/10.3390/e24020189.

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The standard textbooks contain good explanations of how and why equilibrium thermodynamics emerges in a reservoir with particles that are subjected to Gaussian noise. However, in systems that convert or transport energy, the noise is often not Gaussian. Instead, displacements exhibit an α-stable distribution. Such noise is commonly called Lévy noise. With such noise, we see a thermodynamics that deviates from what traditional equilibrium theory stipulates. In addition, with particles that can propel themselves, so-called active particles, we find that the rules of equilibrium thermodynamics no

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NEZEVAK, Vladislav. "ASSESSMENT OF ENERGY ACCUMULATION SYSTEM IMPACT UPON VOLTAGE LEVEL ON BUSES OF ACTIVE POINT OF DC SECTIONING." Bulletin of Bryansk state technical university 2021, no. 8 (2021): 46–60. http://dx.doi.org/10.30987/1999-8775-2021-8-46-60.

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The work purpose is to estimate and investigate processes of the regenerative braking impact upon a voltage level on object buses of the system of traction power supply at electricity storage systems.  In the investigation there are used methods of imitation modeling and analytical ones allowing the fulfillment of calculations for different conditions of the electric traction load formation within the limits of inter-substation areas under consideration.  The work novelty consists in the approach to the estimation of the working mode impact of electricity storage systems upon the v

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Chupin, Evgeniy, Konstantin Frolov, Maxim Korzhavin, and Oleg Zhdaneev. "Energy storage systems for drilling rigs." Journal of Petroleum Exploration and Production Technology 12, no. 2 (2021): 341–50. http://dx.doi.org/10.1007/s13202-021-01248-5.

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AbstractEnergy storage systems are an important component of the energy transition, which is currently planned and launched in most of the developed and developing countries. The article outlines development of an electric energy storage system for drilling based on electric-chemical generators. Description and generalization are given for the main objectives for this system when used on drilling rigs isolated within a single pad, whether these are fed from diesel gensets, gas piston power plants, or 6–10 kV HV lines. The article studies power operating modes of drilling rigs, provides general

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변재기, Jongkeun Shin, seok-kwon,Son, 곽동걸, 권영철, and 박상배. "Analytical Study on Rapid Accumulation Technology of Cold by Phase PCM Thermal Energy Storage System." Journal of the Korean Society of Mechanical Technology 19, no. 6 (2017): 785–91. http://dx.doi.org/10.17958/ksmt.19.6.201712.785.

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