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Journal articles on the topic 'Hot water supply system'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Savchenko, Olena, and Zenon Savchenko. "Estimation of Solar Hot Water System Operation for a Residential Building." Energy Engineering and Control Systems 7, no. 1 (2021): 1–6. http://dx.doi.org/10.23939/jeecs2021.01.001.

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Solar hot water supply systems can provide a significant part of the thermal energy needed in the residential sector. The use of solar hot water supply systems can reduce the consumption of traditional energy sources and, consequently, reduce greenhouse gas emissions. The aim of this article is to assess the operation of the solar heating system operation to provide the needs of the hot water supply system of a residential building with thermal energy. The efficiency of a flat solar collector operating in a single-circuit thermosyphon system of solar heating of a residential building in Lviv h

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2

Rotov, P. V., A. A. Sivukhin, M. A. Rotova, R. A. Gafurov, and A. V. Gorshkov. "Circulation management in hot water supply systems." Journal of Physics: Conference Series 2150, no. 1 (2022): 012034. http://dx.doi.org/10.1088/1742-6596/2150/1/012034.

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Abstract The compliance of the actual heat consumption for heating cold water for public hot water supply service with the approved standard has been analyzed. Using passive engineering experiments, we studied the operating modes of hot water supply systems for several groups of houses, in which different methods for regulating water consumption in hot water supply systems were used. Data were collected using online energy monitoring and commercial metering system. Features of the static and dynamic load regulation of hot water systems have been investigated. The effect of methods for regulati

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3

Takaki, Rie, Hiroshi Yoshino, Hikaru Kobayashi, et al. "Field study of system efficiency of detached house with solar energy system and fuel cell cogeneration system in Japan." E3S Web of Conferences 396 (2023): 03029. http://dx.doi.org/10.1051/e3sconf/202339603029.

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In this study, the energy flow in detached houses in Sendai City in the Tohoku region of Japan where photovoltaic power generation system, solar thermal collection system, and fuel cell cogeneration system were installed was analyzed based on measured data. Hot water obtained by solar heat collected in the house is used to supply hot water to the kitchen throughout the year, to supply hot water to floor heating and to preheat the air supply of the HVAC system in winter, and to regenerate the desiccant wheel of the HVAC system in summer. A hybrid hot water supply system using city gas and a hea

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Chicherin, Stanislav V., Sergey V. Glukhov, Mariya V. Glukhova, Anna K. Ilicheva, and Andrey V. Zhuikov. "Methodology for assessing the consequences of switching to a closed-circuit hot-water supply in dis-trict heating systems." Journal «Izvestiya vuzov. Investitsiyi. Stroyitelstvo. Nedvizhimost» 11, no. 3 (2021): 480–91. http://dx.doi.org/10.21285/2227-2917-2021-3-480-491.

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As of 1 January 2022, the transition to a closed-circuit hot-water supply in district heating systems will begin in Russia. This work proposes a methodology for assessing the consequences of this transition. The procedure is as follows: determining specific operational consumption of district water for hot wa-ter supply with manual direct water intake when the outside temperature changes; developing the re-quired mode of closed hot-water supply; analysis of the practically possible mode of manual consump-tion in the heat supply system; determining the operational specific consumption of hot-wa

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5

Shan, J., J. Li, Z. Guo, and A. Levtsev. "Development of the Energy Circuits of Development of Contour Regulation of the Supply of Hot Water for Buildings With Variable Flow." Bulletin of Science and Practice 7, no. 1 (2021): 230–37. http://dx.doi.org/10.33619/2414-2948/62/22.

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The hot water supply system is one of the important components of the water supply and drainage system of high-rise civil buildings. With the development of the national economy and the improvement of people’s living standards, people’s requirements for popularizing hot water supply and improving hot water supply technology are becoming more and more urgent. In the process of hot water supply, the flow pressure of the pipeline is increased, and the purpose of hot water supply in high-rise buildings is achieved. The experiment analyzes the effect of the pressure ratio on the pipeline in front o

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Akhmerova, Guzel, Alina Zalyalova, Roman Badrutdinov, Elza Khaziakhmetova, and Rashid Maksudov. "Upgrading the hot water supply system as a way to save energy." E3S Web of Conferences 274 (2021): 08010. http://dx.doi.org/10.1051/e3sconf/202127408010.

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The efficiency of works on replacement of steel pipelines of hot water supply of Kazan with pipes from polymer materials was considered. Due to the high corrosive activity of water, the service life of hot water pipelines does not exceed 8-10 years. To improve the reliability and quality of the supply of hot water to consumers, the possibility of modernizing hot water supply networks using pipelines made of polymer materials is being considered. The problem of physical wear of heat supply networks is disclosed; analysis of polymer pipelines use for energy saving purposes is carried out. Therma

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7

Huang, Pu Jie. "Application of Solar Energy and Gas Compound Hot Water Supply Technique." Advanced Materials Research 724-725 (August 2013): 27–32. http://dx.doi.org/10.4028/www.scientific.net/amr.724-725.27.

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With energy saving and comfort as top priorities, a hot water supply system is designed with solar energy and gas as compound heat sources. In the design, mathematical models are set up for the solar energy and gas compound hot water system and for its economic evaluation. Taking a three-bedroom flat building in Guangzhou City for example, a whole years energy consumption for domestic hot water is simulated; the gas consumption is calculated; comparisons are made between the new system and the gas hot water supply system in terms of their technique, economy and energy efficiency. Results show

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8

Taraday, Oleksandr, Oleksandr Gvozdetskiy, and Sergii Fomich. "Urban renovation of the hot water supply system." MATEC Web of Conferences 116 (2017): 02034. http://dx.doi.org/10.1051/matecconf/201711602034.

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9

Khramshin, Vadim, Alexander Karandaev, and Andrey Radionov. "Energy Saving in the Hot Water Supply Systems of Buildings." Applied Mechanics and Materials 698 (December 2014): 815–21. http://dx.doi.org/10.4028/www.scientific.net/amm.698.815.

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The paper substantiates the use of the controlled electric drive of the circulating pumps in the hot-water supply systems of buildings. It considers the pump capacity control method as a function of the daily hot water consumption. The law of controlling motor speed with limitation of the minimum and maximum allowable water consumption has been proved. The schematic structure of the system controlling water consumption in the hot water supply circulation circuit is provided. Based on results of analysis of the daily water supply diagram both in case of controlled and uncontrolled consumption,

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10

Nguyen, Nghia-Huu, Dong-Yeon Lee, Kunal Sandip Garud, and Moo-Yeon Lee. "Energy Saving and Economic Evaluations of Exhaust Waste Heat Recovery Hot Water Supply System for Resort." Symmetry 13, no. 4 (2021): 624. http://dx.doi.org/10.3390/sym13040624.

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The objective of this study is to investigate the energy savings and economics of the hot water supply system for the luxury resort. The hot water was generated using the waste heat from the exhaust gas heat (EGH) of internal combustion engine (ICE) installed at the luxury resort. The capacity and characteristics of waste heat source, flow demand and supply system of hot water were surveyed, and data is collected from the real system. The new heat exchanger system which utilizes the EGH to produce the hot water is designed considering the dew point temperature and the back pressure of exhaust

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11

Rotov, P. V., A. A. Sivukhin, M. A. Rotova, R. A. Gafurov, and A. V. Gorshkov. "On the efficiency of the control of the circulation of hot water." Power engineering: research, equipment, technology 22, no. 6 (2021): 117–29. http://dx.doi.org/10.30724/1998-9903-2020-22-6-117-129.

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PURPOSE. Perform analysis of the actual heat energy consumption for cold water heating for the hot water utility to the approved standard. Compare different methods of flow control in circulation pipelines of hot water supply systems. Identify ways to improve the efficiency of hot water systems. METHODS. The passive engineering experiment was used to study the operating modes of hot water supply systems of several groups of houses, in which various methods of regulating water consumption in hot water supply systems are implemented. Data collection was carried out using the online system of con

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12

Lu, Chu Huan, and Bao Shan Zhao. "Application of Automatic Energy Conservation Technology to Hot Water Supply System." Advanced Materials Research 243-249 (May 2011): 4761–65. http://dx.doi.org/10.4028/www.scientific.net/amr.243-249.4761.

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In order to realize the automatic energy saving control for centralized hot water supplying system, this paper puts forward a frequency conversion adjusting speed automatic supplement water system with frequency converter used as driving unit pump. It can provide constant supplying hot water pressure by timely adjusting supplement water quantity according to the change of water consumption. The hot water temperature control system was designed to maintain the temperature constant through throttle governing steam quantity. Through the practical run, the whole system works steady, which has rema

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13

Huang, Shi Yuan, Qiang Huang, Shao Hua He, and Shuai Zhou. "Discussion on the Design of Water Supply and Sewage Engineering for School Canteen." Advanced Materials Research 243-249 (May 2011): 4856–59. http://dx.doi.org/10.4028/www.scientific.net/amr.243-249.4856.

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Based on the particularity of the water supply and sewerage design of dining hall’s construction and retrofit in the college, some problems in design, such as water-supply system, drainage system, hot water system, and reclaimed water system are discussed. Also some corresponding advices and solutions are put forward. Some explorations, especially in the canteen hot water supply and the thermal insulation are made. In this way, the designs can better meet the requirements of operation.

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14

Nguen, Tien, K. H. Gilfanov, and D. R. Gilyazov. "Modeling of a helioabsorption heat pump system for hot water supply." Power engineering: research, equipment, technology 23, no. 4 (2021): 55–65. http://dx.doi.org/10.30724/1998-9903-2021-23-4-55-65.

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THE PURPOSE. A domestic hot water supply system is proposed, combining a solar collector and a heat pump for the climatic conditions of the city BAC NINH - VIETNAM, capable of providing hot water to 5 users all year round. Justify the performance of the proposed system under these conditions. METHODS. The solution of the problem was carried out experimentally and by the method of mathematical modeling. The mathematical model is based on the energy balance equations taking into account the efficiency factors. The scheme and principle of operation of the pilot plant and the results of the calcul

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15

Nguen, Tien, K. H. Gilfanov, and D. R. Gilyazov. "Modeling of a helioabsorption heat pump system for hot water supply." Power engineering: research, equipment, technology 23, no. 4 (2021): 55–65. http://dx.doi.org/10.30724/1998-9903-2021-23-4-55-65.

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THE PURPOSE. A domestic hot water supply system is proposed, combining a solar collector and a heat pump for the climatic conditions of the city BAC NINH - VIETNAM, capable of providing hot water to 5 users all year round. Justify the performance of the proposed system under these conditions. METHODS. The solution of the problem was carried out experimentally and by the method of mathematical modeling. The mathematical model is based on the energy balance equations taking into account the efficiency factors. The scheme and principle of operation of the pilot plant and the results of the calcul

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16

Rotov, P. V., A. V. Gorshkov, and M. A. Rotova. "About expediency of changing the connection diagram of hot water supply units." Power engineering: research, equipment, technology 26, no. 5 (2024): 54–65. http://dx.doi.org/10.30724/1998-9903-2024-26-5-54-65.

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PURPOSE. The article is devoted to an urgent problem for domestic district heating. A widespread situation is considered when consumers from heat supply systems with a closed connection scheme for hot water supply plants are switched to an open heat supply system from a thermal power plant. METHODS. Study of operating modes of operating heat supply systems was performed. Data collection was carried out using an online system for monitoring and commercial accounting of energy resources. Methodology for calculation of compared mode parameters is proposed. RESULTS. Using the example of the existi

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17

Unzhakov, A. S. "Problems and Need for Alterations in Design of Hot Water Supply in Apartment Buildings." Journal of Physics: Conference Series 2096, no. 1 (2021): 012140. http://dx.doi.org/10.1088/1742-6596/2096/1/012140.

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Abstract The water supply system and structure used in apartment buildings have been described. Urgent issues of a hot water supply design currently faced by consumers have been identified. Solutions to the problem of hot water supply in apartment buildings have been proposed.

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18

Murase, Toshihiko, Tadashi Narabayashi, and Yoichiro Shimazu. "ICONE15-10580 DEVELOPMENT OF HOT WATER SUPPLY SYSTEM FOR A SMALL DISTRICT HEATING REACTOR." Proceedings of the International Conference on Nuclear Engineering (ICONE) 2007.15 (2007): _ICONE1510. http://dx.doi.org/10.1299/jsmeicone.2007.15._icone1510_312.

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19

Andreas, Andreas. "Utilization Of Exhaust Air Conditioning In Apartments For Hot Water Supply: Overview Of Economic Aspects." Jurnal Ilmiah Multidisiplin Indonesia (JIM-ID) 1, no. 01 (2022): 25–29. http://dx.doi.org/10.58471/esaprom.v1i01.1404.

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The economic crisis that has hit almost all parts of the world has forced everyone to rethink their own economic arrangements. One thing to consider is the use of hot water. Not by eliminating it, but by looking for other alternatives to produce hot water. The heat-generating system that is widely used by the community is the electric water heater. On the one hand, this system works effectively because it can produce hot water with a maximum temperature of 750C. But on the other hand this system is not economical, because the electricity costs are very large. An alternative that can be given i

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20

HWANG, YUJIN, YOUNGCHULL AHN, SEONGIR CHEONG, KEUNHO JIN, and JAEKUEN LEE. "EXPERIMENTAL INVESTIGATION ON THE OPTIMAL DESIGN OF WATER TANK FOR DOMESTIC HOT WATER SUPPLY USING PEMFC CO-GENERATION SYSTEM." International Journal of Air-Conditioning and Refrigeration 18, no. 03 (2010): 221–28. http://dx.doi.org/10.1142/s2010132510000113.

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There are many attempts to use a fuel cell system as a residential power generation system. The purpose of this study is to investigate the optimal design of a water tank for a hot water system when the fuel cell co-generation system is combined with a domestic hot water supply system. The demands of hot water supply per month per home for 76–168 m2 of acreage are investigated in Busan for a year. It showed somewhat large differences between the actual demand and the designed demand of hot water, but the actual capacity of hourly averaged hot water demands is analyzed as 60 ℓ/h in this study b

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21

ISHIWATARI, Hiroshi, and Motoyasu KAMATA. "SIZING OF HOT WATER SUPPLY SYSTEM IN APARTMENT HOUSE." Journal of Architecture and Planning (Transactions of AIJ) 63, no. 508 (1998): 15–20. http://dx.doi.org/10.3130/aija.63.15_2.

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22

TANABE, Akihiro, Yohei BABA, Hitoshi ASANO, Yoshinori HISAZUMI, Hideki YAMAGUCHI, and Hikaru MORITA. "E110 DYNAMIC SIMULATION OF NEW CENTRAL HOT WATER SUPPLY SYSTEM FOR RESIDENTIAL BUILDING(Distributed Energy System-2)." Proceedings of the International Conference on Power Engineering (ICOPE) 2009.1 (2009): _1–287_—_1–292_. http://dx.doi.org/10.1299/jsmeicope.2009.1._1-287_.

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23

Umerenkov, Yevgeniy, Elina Umerenkova, Ekaterina Pakhomova, and Natalia Semicheva. "Process modelling of seasonal hot water supply heliosystem." E3S Web of Conferences 164 (2020): 13009. http://dx.doi.org/10.1051/e3sconf/202016413009.

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A variant of the problem statement is proposed to develop an algorithm for calculating a solar collector of hot water supply for an individual dwelling. The purpose of the calculations is to determine the approximate values of the main characteristics of the heliosystem of hot water supply, which affect the technical and economic indicators of the system and determine the operating mode of the system, its comfort in use and maintenance.

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24

Melnikov, Vladimir, Uladzimir Navaseltsau, and Dzina Navaseltsava. "Energy efficiency of multi-apartment residential houses with individual heat supply." E3S Web of Conferences 212 (2020): 01011. http://dx.doi.org/10.1051/e3sconf/202021201011.

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Centralized hot water systems widely used in Russia and Belarus are characterized by a considerable length and branching which inevitably leads to increased heat losses and to an unstable hydraulic system. The operation of the domestic hot water system in the circulation mode can be characterized by several parameters; one of which is the specific ratio of the cost of thermal energy for heating a cubic meter of hot water. The parameter is often regulated by law in Russia; exceeding this parameter is considered as administrative violation. The aim of the research is to determine the design and

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Gazizov, F. N., and I. G. Akhmetova. "Development of technique and program for analysis of options for transition to a closed hot-water supply scheme for heat supply systems." Power engineering: research, equipment, technology 21, no. 3 (2019): 126–34. http://dx.doi.org/10.30724/1998-9903-2019-21-3-126-134.

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The article describes the prerequisites for development of methodology for integrated assessment of options for transition to a closed hot-water supply scheme. For analysis of promising options for transition to a closed system of hot water supply, criteria have been proposed that influence the choice of possible solutions. Block diagrams of boundary conditions and independent variables were created. A pyramid of indicators which affect the operating costs of heating system over 25 years of its operation was formulated. A method and a program for selecting the optimal transition scheme to a cl

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Gorinov, Yu A., and P. N. Anisimov. "Icreasing the efficiency of district heating supply systems by local heat distribution station modernation." Power engineering: research, equipment, technology 24, no. 3 (2022): 101–11. http://dx.doi.org/10.30724/1998-9903-2022-24-3-101-111.

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The PURPOSE of the study is to improve the efficiency of district heating systems. To achieve this purpose, the following tasks must be completed. To consider the problems of functioning of an open heat supply system functioning. Perform an analysis of technical solutions for the modernization of local heat distribution and metering station are presented. To develop a technological scheme of local heat distribution station with a hot-water supply system. To determine the main technical, economic and investment indicators of the developed technical solution.MATERIALS AND METHODS. Measurements w

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Rafalskaya, Tatyana. "Equations of temperature graphics of a heating point with a two-stage scheme of heat exchangers of hot water supply." E3S Web of Conferences 208 (2020): 02001. http://dx.doi.org/10.1051/e3sconf/202020802001.

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The temperature of the water returned to the heating network from consumers largely determines the energy efficiency of the heat supply system. It depends on a number of parameters: outside air temperature, hot water supply heaters connection scheme, daily water consumption in the hot water supply system. The calculation of this temperature is usually performed numerically, which makes it difficult to control the modes of the heat supply system. From a practical point of view, a simpler toolkit is needed. In this paper, equations are proposed that allow directly determining the change in the h

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Zapolskaya, I. N., Yu V. Vankov, O. I. Zverev, and R. R. Rotach. "The impact of the transition of hot water “preparation” by means of individual heating stations on the Kazan energy system." E3S Web of Conferences 124 (2019): 05012. http://dx.doi.org/10.1051/e3sconf/201912405012.

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The result of the implementation of technical solutions should be evaluated in terms of the effect on the power system as a whole. At the same time, the main task is to obtain a socio-economic effect noticeable for the consumer of energy resources, as he is a key figure of the energy system. The article considers the influence of modernization of hot water supply systems (HWS) by transferring the function of hot water preparation in apartment buildings to individual heating stations (IHS) from the district heating stations (DHS) with their subsequent liquidation, as well as the elimination of

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Рафальская, Т. А. "Equations of Temperature Graphs of Operation Modes of a Heating Station with a Two-Step Scheme of Connection of Hot Water Supply Heaters." НАУЧНЫЙ ЖУРНАЛ СТРОИТЕЛЬСТВА И АРХИТЕКТУРЫ, no. 2(58) (September 17, 2020): 29–41. http://dx.doi.org/10.36622/vstu.2020.58.2.003.

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Постановка задачи. Температура обратной воды, возвращаемой в тепловую сеть от потребителей, является важным показателем энергоэффективности системы теплоснабжения. Она зависит от температуры наружного воздуха, схемы присоединения подогревателей горячего водоснабжения, суточного водопотребления в системе горячего водоснабжения. Ее расчет производится на ЭВМ, в основном численными методами. Необходимо получить уравнения, позволяющие напрямую определять температуру сетевой воды после каждой ступени подогревателей и возвращаемой в тепловую сеть. Результаты. Методом моделирования переменных режимов

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Zhang, Xi Ming, and Yi Ran Zhang. "The Experimental Study on Forced Circulation Solar Hot Water Supply." Applied Mechanics and Materials 253-255 (December 2012): 772–76. http://dx.doi.org/10.4028/www.scientific.net/amm.253-255.772.

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In recent years, global environmental problems and energy crisis are highly regarded. The research and development of new energy sources and energy saving are two key ways to solve the potential global energy shortage. The solar energy is important for its cleanliness and unexhausting. The solar water heaters are widely used in domestic hot water supply. The former natural cycle system had a lower performance of heat collection, insulation and convenience as well as conflict with architecture. It is necessary to develop a new style solar water heater in north china. This paper presents an forc

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Kim, Beom-Jun, Hye-Jin Cho, Soo-Jin Lee, Taek-Don Kwon, and Jae-Weon Jeong. "Applicable design of multi-functional cascade heat pump system for an office building." E3S Web of Conferences 356 (2022): 01033. http://dx.doi.org/10.1051/e3sconf/202235601033.

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When the cascade heat pump system is applied as a multi-functional system that can be used not only for hot water supply but also for air-conditioning of buildings, the low-stage cycle is responsible for indoor heating and cooling thermal load, and the high-stage cycle is responsible for hot water supply by raising the refrigerant temperature. Unlike the existing cascade heat pump system designed with only one operation mode for hot water supply, the multi-functional cascade heat pump system should be considered with various parameters. This study was proposed a design sequence of the cascade

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Klimov, R., and A. Morozovskaya. "ENERGY EFFICIENCY OF COMBINED HEAT SUPPLY SYSTEMS." Collection of scholarly papers of Dniprovsk State Technical University (Technical Sciences) 2, no. 39 (2021): 92–97. http://dx.doi.org/10.31319/2519-2884.39.2021.11.

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The consumption of energy resources in the world states is constantly growing from year to year. The production of fossil fuels is also increasing, but for various reasons it cannot fully cover the required amount from consumers. One of the most important consumption sectors is heat loads from heating, ventilation and hot water supply of industrial and residential buildings. To cover the thermal loads of heating and hot water supply, the necessary heat carrier is water heated to a certain temperature. The most promising from the point of view of heating water for hot water supply are solar col

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Pukhkal, Viktor, and Boris Jurmanov. "Selection of Hot Water Supply Metering Devices for Residential Buildings." Applied Mechanics and Materials 725-726 (January 2015): 1267–72. http://dx.doi.org/10.4028/www.scientific.net/amm.725-726.1267.

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Experimental measurements of actual hot water consumption in residential building have been performed. It was established that distribution of hot water for domestic needs has random character and constitutes non-stationary process. It was proposed for hot water supply systems calculation to employ “rated mode of water consumption”. Rated mode is a simplified mathematical description of entire ordered collection of hourly consumptions anticipated during rated period of hot water supply system operation. Most precise description of water consumption rated mode may be obtained with coefficient o

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Wong, Ling-Tim, Chun-San Chan, Kwok-Wai Mui, and Dadi Zhang. "Optimizing the Pump Storage System for Hot Water Showering at Swimming Pools." Water 15, no. 11 (2023): 2083. http://dx.doi.org/10.3390/w15112083.

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Previous studies have demonstrated the energy- and water-saving potentials of showering facilities in residential buildings. However, the prospect of public showering places where multiple showerheads usually worked together according to their opening hours has often been overlooked and rarely investigated. This study measured the water flow rate in a water supply pipe to understand the water-use patterns and water consumption of showering facilities in a swimming pool. The measurements were carried out on typical cold and warm days. The results showed that the average water consumption was 50

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Glamazdin, P., N. Chepurna, and B. Koziachyna. "The selection of a methodology for calculating the heat load of hot water supply systems for facilities with significant uneven consumption." Ventilation, Illumination and Heat Gas Supply 44 (February 7, 2023): 39–48. http://dx.doi.org/10.32347/2409-2606.2023.44.39-48.

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When determining the amount of thermal energy required for the functioning of the hot water supply system for any building, the question of choosing a heating method arises. It is especially relevant to accurately predict the capacity of the hot water supply system for facilities with pronounced uneven hot water consumption. In this research, a comparative analysis of methods for determining the maximum design flow rate of hot water was performed, which plays an important role in the selection of equipment for heating water in the flow mode. On the example of the main building of KNUCA, the pr

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Oleinikov, A. A., and K. N. Timofeeva. "Thermal Energy consumption monitoring System in the Hot water Supply circuit as part of the Smart Home management system." Herald of Dagestan State Technical University. Technical Sciences 51, no. 1 (2024): 206–14. http://dx.doi.org/10.21822/2073-6185-2024-51-1-206-214.

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Objective. This article describes a system that allows you to optimize energy costs and reduce the likelihood of heating problems in apartment buildings associated with illegal connection to the hot water circuit.Methods. The methods of theoretical research and mathematical modeling were used in the study.Result. The problem of the subject area under study is actualized and its solution is presented. A conceptual model of a system for monitoring the consumption of thermal energy in a hot water supply circuit as part of a smart home management system has been developed. A method for monitoring

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Zhurmilova, Irina A., Elena V. Tarasova, and Evgeny A. Zyryanov. "Evaluation of energy saving measures implementation for the hot water supply system in Vladivostok airport." Architecture, Construction, Transport 5, no. 2 (2025): 64–76. https://doi.org/10.31660/2782-232x-2025-2-64-76.

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Implementing economically viable energy-saving measures is a priority for any large enterprises.Hot water supply system as one of the major heat consumers in airports offer significant potential for energy consumption reduction. Electric boilers are the primary heat source for the hot water system of the Vladivostok airport. To reduce energy consumption, the application of solar collectors for water heating and the installation of exhaust air heat recovery systems were considered. To evaluate the effectiveness of these energy-saving measures for the airport’s hot water system, theoretical calc

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Alkhasov, A. B., D. A. Alkhasova, and M. G. Dibirov. "A Hybrid Solar–Geothermal Heat- and Hot-Water Supply System." Thermal Engineering 68, no. 7 (2021): 564–69. http://dx.doi.org/10.1134/s0040601521050025.

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Andrianov, Alexey, and Dmitry Spitsov. "Corrosion of galvanized pipes in the hot water supply system." MATEC Web of Conferences 106 (2017): 03028. http://dx.doi.org/10.1051/matecconf/201710603028.

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Aleksahin, A., A. Boblovskii, O. Kruhliakova, and Y. Chaika. "ANALYSIS OF HOT WATER HEATERS FOR INDIVIDUAL HEATING STATION WHEN THE TEMPERATURE CHART OF THE DISTRIBUTION HEAT NETWORK IS CHANGED." Municipal economy of cities 1, no. 175 (2023): 26–31. http://dx.doi.org/10.33042/2522-1809-2023-1-175-26-31.

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The aspects of the functioning of centralized heating systems of residential urban districts after additional insulation of this district existing buildings were considered. The influence of the heat carrier temperature in the district distribution heating network on the heat transfer surface of the heat exchangers that are installed in the individual heat station schemes for hot water supplying was analyzed. Estimates were made for single-stage connection of the heat exchangers to the heating systems. When determining the heat transfer surface, known criterion equations for plate heat exchang

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Wu, Xiang Dong, and Ze Hua Liu. "The Analysis on Energy-Saving Reconstruction on Condensing Heat Recovery System of Air-Conditioning System." Applied Mechanics and Materials 865 (June 2017): 212–16. http://dx.doi.org/10.4028/www.scientific.net/amm.865.212.

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Combining with the energy consumption of air-conditioning system and the characteristics of the cooling and heating load in the hotel, the authors analyse the energy-saving property and necessity of adopting condensing heat recovery from water chillers. Taking the air-conditioning system of a star-hotel as an example, the optimization design for condensing heat recovery system from chillers on raising the temperature difference between supply and return water, the hot-water tanks in series and the water temperature stratification effectively realizes cascade and sequential utilization of hot-w

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Kushka, Oleksandr, Volodymyr Lubenko, Oksana Nechypor, and Uliana Petryk. "Determination of the circulation flow rate in the calculation of internal hot water supply networks." Problems of Water supply, Sewerage and Hydraulic, no. 44 (October 4, 2023): 40–46. http://dx.doi.org/10.32347/2524-0021.2023.44.40-46.

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Calculations of internal ring networks of buildings have always been, are and will be an urgent task. The schemes of internal hot water supply systems change, the number of floors of buildings changes, the location of heating points from which hot water begins its journey to the consumer changes, the definition of water consumption changes, and finally the calculations themselves change, but it is undoubtedly the calculation methods for centralised hot water supply systems that are a key part of creating reliable and economical hot water supply networks in buildings. Modern methods consist of

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43

Andrianov, Alexey. "Pitting corrosion of galvanized pipes in hot water supply systems." E3S Web of Conferences 263 (2021): 04035. http://dx.doi.org/10.1051/e3sconf/202126304035.

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The mechanism of pitting corrosion of galvanized pipes in hot water supply systems is considered. The analysis of the literature to determine the conditions and mechanism that cause abnormally rapid corrosion of steel galvanized water pipes in water supply systems is carried out. The results of a laboratory study of the initial stage of corrosion of galvanized pipes are presented. The results of a survey of hot water supply systems of a number of residential buildings are presented. Recommendations and measures to reduce the impact of corrosion in hot water supply systems are presented.

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Aleksakhyn, A. A., O. V. Kruhliakova, A. V. Boblovskyi, and L. I. Tiutiunyk. "PARAMETERS OF HOT WATER SUPPLY HEAT EXCHANGERS FOR HEAT STATIONS OF INSULATED BUILDINGS AT ONE-STAGE CONNECTION SCHEME." Integrated Technologies and Energy Saving, no. 4 (December 30, 2024): 59–66. https://doi.org/10.20998/2078-5364.2024.4.06.

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The peculiarities of functioning of centralized heat supply systems of residential microdistricts at carrying out works on ‘insulation’ of buildings in operation, namely, parameters of operation of hot water supply heating units are considered. The influence of the heating load reduction due to the works on increasing the heat transfer resistance of the building structures on the flow rate of network water and heat exchange area of hot water supply heaters has been analyzed. Estimates are made for conditions of use of one-stage parallel scheme connection for heat exchangers to heat distributio

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Zhang, Lin Hua, Dong Yang, Ling Liu, and Ting Ting Chen. "The Application of Genetic Algorithm on the Regulation of Central Heating System." Applied Mechanics and Materials 672-674 (October 2014): 1712–16. http://dx.doi.org/10.4028/www.scientific.net/amm.672-674.1712.

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For the operational optimization problem of supply temperature and flow adjustment (known as “quality-quantity” regulation) in district heating system.To meet user needs hot,an operational cost equation of primary network is set up, taking the supply water temperature and the water flux as variables. The optimization objective of this equation is to minimize operational cost.Based on the genetic algorithm,and finally get the optimal water temperature and water flux. Analysis the several regulation of supply water temperature and water flux, finally proposed heating system integrated regulation

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Pontikakis, N., and D. W. Ruth. "MODELLING OF RESIDENTIAL HOT WATER SYSTEMS." Transactions of the Canadian Society for Mechanical Engineering 23, no. 1B (1999): 197–212. http://dx.doi.org/10.1139/tcsme-1999-0014.

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The design of residential hot-water plumbing supply systems was studied using computer models. The study consisted of two parts; first a flow analysis of the hot-water supply was undertaken and second the heat losses of the distribution pipes, and the hot-water tank were analyzed. The aim of the study was to find ways to conserve energy in the hot-water tank by using different designs to optimize the existing systems. From the current research it was found that a low-flow showerhead and the insulation of pipes can conserve energy, which results in customer financial savings. A low-flow showerh

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Jiang, Jia Xiang, Bin Zhang, and Shao Li Yi. "The Application Research Based on Solar Gas Boiler that Control by PLC and Frequency Conversion Technology." Applied Mechanics and Materials 529 (June 2014): 580–84. http://dx.doi.org/10.4028/www.scientific.net/amm.529.580.

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Solar energy as an inexhaustible supply of green energy, being receiving more and more attention, but in hotels and other large-scale hot water systems, due to collector device installation location, water temperature instability and inability to realize all-weather heating water supply, has been not widely used. In this paper, taking the water heating system reforming of gas boiler in the Gulf Hotel Yantai Regency for example, the set of control system built by PLC and inverter ,has realized large-scale solar energy and gas hot water boiler systems in the perfect combination of weather, tempe

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Sit, M.L., A.A. Juravliov, D.M. Suvorov, and V.M. Sushchikh. "Combined District Heating System CHP- Local HP." Problemele Energeticii Regionale 1(45) (January 15, 2020): 81–93. https://doi.org/10.5281/zenodo.3713430.

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The work relates to the problems of using heat pumps in district heating systems. The aim of the study is to increase the energy economic efficiency of combined heat supply systems with heat pumps using natural refrigerants. This goal is achieved by developing a scheme of the system in which part of the building is heated centrally from the CHP, and the other part is from a heat pump installed in the building, and heat pump which receives low potential heat from the return network water leaving the part of the building, - centralized, and from outside air. The most significant results of the w

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Koroli, Mekhriya, Feruza Khoshimova, and Adeliya Ivanisova. "Energy saving technologies in the heat supply systems of Uzbekistan." E3S Web of Conferences 417 (2023): 03004. http://dx.doi.org/10.1051/e3sconf/202341703004.

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The paper attempted to show the possibilities of improving the energy efficiency and reliability of heat supply services, as well as the quality of heating and hot water supply, by proposing the transition of heat supply systems to closed consumer connection schemes. The authors analyzed the results of experimental studies of elevator inputs that are not able to provide the required parameters in the heating system in time and schemes for connecting hot water to heating networks that have serious drawbacks, on the “Sergeli” and “Yunus-Obod” districts in Tashkent. As the analysis showed, the el

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Nikitin, Ye Ye, and O. V. Dutka. "TECHNICAL AND ECONOMIC EFFICIENCY OF COMBINED DISTRICT HEATING WITH LOCAL HEAT SOURCE FOR DISTRICT HOT WATER." Energy Technologies & Resource Saving, no. 1 (March 20, 2020): 34–40. http://dx.doi.org/10.33070/etars.1.2020.4.

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The scheme of combined district heating systems is used, in which centralized heating is used for heating and local heat source is used for hot water supply. A mathematical model has been developed that allows to perform a comparative analysis of the technical and economic characteristics of two scenarios of modernization of the heat supply system: replacement of boilers, heat networks and pumps while using the traditional hot water supply scheme, and replacement of these elements in combination with the installation of a local hot water supply source that provides the hot water supply. hot wa

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