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Статті в журналах з теми "Radiator heating"

Автор: Grafiati

Опубліковано: 28 травня 2022

Оновлено: 31 липня 2025

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1

Farhad, Hekmatipour, Jalali Milad, Maroufi Ali, and Hekmatipour Farzad. "Energetic and Exergetic Analysis of the Low-temperature Heating System in a model library." Indian Journal of Science and Technology 13, no. 5 (2020): 587–96. https://doi.org/10.17485/ijst/2020/v13i05/147820.

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Abstract <strong>Objectives:</strong> Energetic and exergetic analysis of the low-temperature heating system in a model library are conducted numerically in this research. <strong>Methods:</strong> The method of numerical investigation and simulation are employed to compute the energetic and exergetic analysis of the low-temperature heating system in a model library. The use of C++ programming and Hourly Analysis Program software were done the simulation and optimization. The results of this investigation are presented in this article. <strong>Findings:</strong> Simulation prese

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2

Mo'minov, Oybek Alisher ugli1, Shuhratjon Rustamjon ugli2 O'tbosarov, and Rustamjon Ismoilovich3 Maqsudov. "Methods for Determining Thermal Conductivity of Ventilation Radiators in Low-Temperature Systems and Their Analysis." Euro Afro Studies International Journal, (EASIJ.COM), 3, no. 6 (2021): 45–51. https://doi.org/10.5281/zenodo.4999989.

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This article theoretically investigates the possibilities of heat transfer of ventilation radiators used in low-temperature heating systems, and methods of their implementation. It has been found that increasing, modifying, or adding convection fenders to existing radiators can improve thermal efficiency. The main focus of the project is on improving the heating efficiency of existing radiators, which is cheaper and easier. Direct ventilation air towards the radiator or compress air between the radiator and the panel, thereby increasing thermal efficiency. <strong>Keywords: </strong>radiator,

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3

Mar’ina, Z. G., A. Y. Vereshchagin, A. V. Novozhilova, M. A. Komarevtsev, and K. O. Isaeva. "Study of the thermal characteristics of the aluminum radiator ROYAL Thermo Evolution." IOP Conference Series: Materials Science and Engineering 1211, no. 1 (2022): 012005. http://dx.doi.org/10.1088/1757-899x/1211/1/012005.

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Abstract The use of aluminum radiators in heating systems began with the foreign companies products such as Fondital Group, Global Radiatori, Ferroli, etc. There are now Russian aluminum radiators companies that adhere to European standards, for example ROYAL Thermo, Rifar. The thermal characteristics of radiators are usually specified by the manufacturer. However, they are not always confirmed in practice. This is due to the fact that radiator connecting method is not taken into account. In some technical data sheets, the power reduction factors are given depending on the difference between t

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4

Vadiee, Amir, Ambrose Dodoo, and Elaheh Jalilzadehazhari. "Heat Supply Comparison in a Single-Family House with Radiator and Floor Heating Systems." Buildings 10, no. 1 (2019): 5. http://dx.doi.org/10.3390/buildings10010005.

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Floor heating and radiators are two of the most common types of hydronic heating systems used for space heating in single-family houses in cold climate regions. Notwithstanding, there are few comparative studies on indoor temperature distribution and system cost evaluations for radiators and floor heating. Furthermore, there are no aligned outcomes in terms of total heat supply for a single-family house with radiators or floor heating. In this study, the effect of building energy efficiency level and construction type, including flooring material, on the supply heating demand and transmission

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5

Liu, Zongjiang, Wei Xu, Linhua Zhang, Zhong Li, and Airong Feng. "Research on improving the overall thermal performance of panel radiators based on the CFD method." Journal of Physics: Conference Series 2592, no. 1 (2023): 012026. http://dx.doi.org/10.1088/1742-6596/2592/1/012026.

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Abstract A panel radiator is one of the radiators commonly used in central heating at present. Improving the heat performance of the panel radiator and making it more suitable for low-temperature heating is an important direction of current research on heating energy conservation. This paper studied the overall heat transfer performance of panel radiators based on the CFD method. The research shows that compared with the longitudinal continuous fin widely used at present, the use of discontinuous fins and staggered fins can improve the thermal properties of the panel radiator significantly. Th

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6

R.R., Eleskhanov, and Muratbekov E.M. "The heat loses through overheated zone of wall under the radiator." Ekologiya i stroitelstvo 1 (2018): 27–32. http://dx.doi.org/10.35688/2413-8452-2018-01-005.

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The issue of the complementary heat loses through the overheated wall is considered from several aspects. The calculations of convection and radiation heat exchange between outer wall and radiator is provided. The amount of the heat loses of radiator installed by the outer wall is compared with the loses of the one installed by interior wall. It is found that 30% of extra more heat can leak outdoors through the zone under radiator. Different reasons of the complementary heat loses are discussed. Problems of manufacturing radiators, designing heating systems and placing the heating devices is c

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7

MASLYANITSYN, Alexander P., Elena V. MASLYANITSYNA, and Marina S. KRASNOVA. "MATHEMATICAL SIMULATION OF THE HEATING SYSTEM RADIATOR OF AS A CONTROL OBJECT." Urban construction and architecture 11, no. 3 (2021): 38–43. http://dx.doi.org/10.17673/vestnik.2021.03.06.

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The problem of mathematical modeling of a heating system radiator as a control object is considered. The purpose of its development is to create a generalized mathematical model of thermal processes in a room heated by means of water radiators. A calculation scheme of heat transfer processes between the heat carrier of the radiator and the air of the room has been developed, on the basis of which the heat balance equations are writt en. This takes into account both steady and unsteady heat transfer processes between the coolant, radiator and room air. A block diagram of the mathematical model

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8

Sudjadi, Usman, Rahmad Jayadiningrat, Erwan Hermawan, and Agus Jamaludin. "Study of Mechanical Properties and Microstructure of Mercedes-Benz and Local Radiator Material." Jurnal Fisika Indonesia 24, no. 3 (2020): 185. http://dx.doi.org/10.22146/jfi.v24i3.57789.

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Indonesia has the capability to produced local products such as vehicle radiators. Many studied were carried out to characterize the radiator material. But it still needs to compare local products and imported products. This study carried mechanical properties and microstructure analysis for Marcedes Benz's core radiator and local radiator. The tools used in this study are microhardness tools, optical microscopes, and XRF. The result shows that the Mercedes-Benz radiator binding material before the heat treatment process, using an optical microscope shows the invisible results of a collection

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9

Sobhi, Mohammed, and Essam E. Khalil. "CFD Investigation of Air Flow Patterns and Thermal Comfort in a Room with Diverse Heating Systems." Current Environmental Engineering 6, no. 2 (2019): 150–58. http://dx.doi.org/10.2174/2212717806666190527090231.

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Анотація:

Objective: The main focus in the current work is to investigate how diverse heating systems and their locations influence the indoor thermal environment in an exhaust- ventilated room. Methods: Four systems for heating the room were used in the current study, in which, heat was transferred by convection and radiation. The four systems were: wall and floor heating at low temperatures, Medium Temperature Radiator (M.T. radiator) heating and High Temperature Radiator (H.T. radiator). Computational Fluid Dynamics (CFD) simulation was used to investigate indoor temperature, vertical air temperature

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10

Redko, A.A., N.V. Kulikova, a. Yu.A. Burd, S.V. Pavlovsky, O.F. Redko, and Yu.A. Pivnenko. "Numerical Analysis of Parameters of the Radiant Heating System with Radiating Panels." Problemele Energeticii Regionale 1(45) (January 15, 2020): 59–70. https://doi.org/10.5281/zenodo.3713405.

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The main goal of the work is to study radiation and convection heat-exchange in a closed volume of a panel radiator to assess the possibility of transferring short-wave radiation in the working area to a comfortable long-wave one. The goals have been achieved through the use of a mathematical model of three-dimensional unsteady flow and complex heat exchange in a radiant heating system, in which the system of Reynolds-averaged Navier – Stokes equations is added, supplemented by the radiative transfer equation. The effect of the shape and size of the panel, surface material and the presen

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11

Kushchev, L. A., V. N. Melkumov, N. Yu Savvin, and V. V. Chuiko. "Simulation of heat Carrier Motion in Tubular Heating Radiators." Russian Journal of Building Construction and Architecture, no. 2(58) (May 15, 2023): 25–33. http://dx.doi.org/10.36622/vstu.2023.2.58.003.

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Statement of the problem. The movement of the coolant in sections of tubular heating radiators of original designs containing various types of turbulators is considered. It is necessary to develop models of the movement of the coolant in the structures under consideration in the speed range of 0.5—1.5 m/s and compare the intensity of flow turbulence in them. Results. Using the Flow Simulation module of the SOLIDWORKS software package, the results of modeling the movement of a coolant in sections of original tubular heating radiators with turbulent inserts were obtained. 3D models of radiator s

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12

Liu, Zongjiang, Wei Xu, Linhua Zhang, Zhong Li, and Ji Li. "Research on the Heating Effect of a Convection Radiator Based on a Human Thermophysiological Model." Buildings 14, no. 1 (2024): 199. http://dx.doi.org/10.3390/buildings14010199.

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Анотація:

Forced convection is the most effective way to improve the thermal efficiency of a radiator under low-temperature conditions. This technical method differs significantly from the heating effects of general radiation and natural convection. Few studies have applied the objective evaluation method based on quantitative calculation to evaluate the effectiveness of indoor heating or optimize the technical parameters (air flow rate, air supply method, etc.) of heating systems. This article couples human metabolic factors with heating environmental factors and uses a 57-node human thermal physiologi

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13

BARGŁOWSKI, Leszek, Mariusz ADAMSKI, and Maksym REBMAN. "ANALYSIS OF STRUCTURAL SOLUTIONS FOR RADIATORS IN BUILDINGS." Civil and Environmental Engineering Reports 33, no. 1 (2023): 139–49. http://dx.doi.org/10.59440/ceer-2023-0010.

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Анотація:

In the following article emphasizes the analysis of technical and economic criteria for radiators, that will help you make the right choice of radiator type. Different solutions for heating flats are presented, the focus is on water-fed radiator solutions. After detailed analysis, the evaluation criteria are selected: indicators of the unit heat output of a radiator related to the mass, volume and length of the radiator QM, QV, QL. Radiator types, nominal working parameters, evaluations criteria and techno-economic analysis of structural solutions for radiators on the example of a residential

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14

Šikula, Ondřej, Pavel Charvát, Lahouari Adjlout, and Omar Ladjedel. "Modeling of Radiators with Mass Flow Control." Applied Mechanics and Materials 887 (January 2019): 667–75. http://dx.doi.org/10.4028/www.scientific.net/amm.887.667.

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The topic of the contribution can be included in computer modeling of the thermal behavior of radiators for heating of buildings. Control of heaters leads to dynamic phenomena affecting the final thermal state of the heated room and heating energy consumption. The paper focuses on modeling of radiator quantitative control method using thermostatic valve. The objective of the paper is to show a quality of controlling and to compare an energy consumption when various thermostatic radiator valves time delay are set. The models of control, radiator, and a room are implemented in software TRNSYS. T

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15

Zhang, Mengying, Xujuan Dong, and Jing Feng. "Indoor Air Quality Evaluation in Rural Houses Using Different Heating Methods in Northern Shanxi, China." Sustainability 16, no. 14 (2024): 5912. http://dx.doi.org/10.3390/su16145912.

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It has been shown that heating methods have a large impact on rural indoor air quality. Previous studies on indoor air quality in rural houses involved a limited number of heating methods and lacked comprehensive comparative research on the three heating methods: coal-fired boiler radiator heating, air-source heat pump radiator heating, and Chinese stove–kang heating. In this paper, subjective surveys and objective tests were conducted on indoor air quality in rural houses using these three heating methods in northern Shanxi, China. The gray relational analysis method and the comprehensive ind

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16

Guo, Junhui, Huacheng Zhu, Yang Yang, and Qinggong Guo. "Continuous-Flow Microwave Milk Sterilisation System Based on a Coaxial Slot Radiator." Foods 12, no. 3 (2023): 459. http://dx.doi.org/10.3390/foods12030459.

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Microwave continuous-flow liquid food sterilisation, in which the liquid is mainly heated by microwaves, has the advantages of fast sterilisation speed, energy saving, comprehensive elimination, and less nutrient loss. Circular pipes are commonly used in microwave continuous-flow liquid heating processing. However, with circular pipes, which are widely used in the industry, the heating is uneven owing to the phenomenon of tube focusing when adopting external radiation. In this study, a novel microwave continuous-flow milk sterilisation system based on a coaxial slot radiator is proposed. First

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17

Liu, Zongjiang, Linhua Zhang, Wei Xu, Zhong Li, and Airong Feng. "Heating performance enhancement in panel-type radiators based on vortex generators and fin form optimization." Journal of Physics: Conference Series 2592, no. 1 (2023): 012030. http://dx.doi.org/10.1088/1742-6596/2592/1/012030.

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Abstract Increasing the heat performance of heating radiators could be a valuable method for building energy conservation. This paper studied the influence of fins on the thermal performance of panel radiators (type 11). The effect of different vortex generator angles, the gap width of discontinuous fins, and different forms of staggered fins have been studied numerically and experimentally. Firstly, the simplified model of the panel radiator was analyzed by CFD simulation, the thermal performance under different geometric parameters was studied, and better geometric parameters were obtained.

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18

Aacharya, Ananta, Robin Koirala, Shuvas Khanal, and Bivek Baral. "Comparative analysis of radiant and radiator heating system for a residential building." IOP Conference Series: Materials Science and Engineering 1279, no. 1 (2023): 012001. http://dx.doi.org/10.1088/1757-899x/1279/1/012001.

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Abstract Energy use for heating and cooling at the household level is rising annually. The residential sector consumes about 69% of energy consumption, out of which the highest percentage is shared by traditional fuel for cooking applications, followed by heating and cooling applications. In such a scenario, the primary goal should be to meet future heating and cooling energy demand through the use of novel technologies such as radiant heating systems (RHS). By utilizing low-temperature fluid flowing through the pipe, the RHS is more efficient than a standard heating system in maintaining the

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19

Vizitiu, Ștefănica-Eliza, Andrei Burlacu, and Robert Ștefan Vizitiu. "Thermal Comfort Analysis in Rooms Using Low Temperature Convective and Radiant Heating Terminals." Bulletin of the Polytechnic Institute of Iași. Construction. Architecture Section 68, no. 1 (2022): 141–50. http://dx.doi.org/10.2478/bipca-2022-0009.

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Abstract The concept of energy is closely related to the building sector and the systems used for heating, implicitly energy saving which is a current problem of both old and new buildings. In this paper a series of numerical simulations were made in Autodesk CFD Simulation in order to study the influence of terminal heating systems over the thermal comfort in rooms. Three case solutions were analysed, as follows: heating a room using a steel radiator, heating a room using an aluminium radiator and heating a room using underfloor heating. The values resulted through numerical simulations for t

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20

Vizitiu, Ștefănica-Eliza, Andrei Burlacu, and Robert Ștefan Vizitiu. "Numerical Analysis on Thermal Comfort in Rooms Using Convective Heating and Radiant Heating Terminals." Bulletin of the Polytechnic Institute of Iași. Construction. Architecture Section 68, no. 2 (2022): 99–110. https://doi.org/10.2478/bipca-2022-0018.

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Анотація:

Abstract The concept of energy is closely related to the building sector and the systems used for heating, implicitly energy saving which is a current problem of both old and new buildings. In this paper a series of numerical simulations were made in Autodesk CFD Simulation in order to study the influence of terminal heating systems over the thermal comfort in rooms. Three case solutions were analysed, as follows: heating a room using a steel radiator, heating a room using an aluminium radiator and heating a room using underfloor heating. The values resulted through numerical simulations for t

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21

Kinzhibekova, A. K., J. K. Aldazhumanov, K. S. Zarykbaeva, A. B. Leonidova, and A. E. Satybaldinova. "TO THE ISSUE OF DETERMINING THE EFFICIENCY OF HEATING SYSTEMS." Bulletin of Shakarim University. Technical Sciences 1, no. 2(14) (2024): 341–47. http://dx.doi.org/10.53360/2788-7995-2024-2(14)-42.

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Анотація:

In order to maintain the temperature in a given mode in both residential and industrial premises it is necessary to establish the operation of a certain amount of equipment that will serve to receive, transfer and transmit the required amount of heat. The aggregate of such equipment is a heating system. From the correct choice of the device of such a system depends, as well as the efficiency of the devices, so the solution of energy-saving issues. Among multi-storey buildings, most of the buildings are connected to the centralized heat supply. The peculiarities of the thermal regime of buildin

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22

Ptitsyna, Elena, Alexander Kuvaldin, and Dmitry Ptitsyn. "The effective modes of infrared radiators and heating systems." E3S Web of Conferences 140 (2019): 04005. http://dx.doi.org/10.1051/e3sconf/201914004005.

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The authors have been researching the effect of polyharmonic currents (complex waveform current) on the characteristics of different types of radiators for a few years. These researches have shown an increase in the energy efficiency of installations with dark and light radiators and the ability to control the harmonic composition of radiation. It is important considering the need to harmonize the frequency characteristics of a radiator with the frequency response of an energy absorbing surface. The object of experimental research are flexible heating tape and installations with dark radiators

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23

Zokhidjon, Abdulkhaev, Abdujalilova Shoiraxon, and Abumalikov Ravshanbek. "CONTROL OF HEAT TRANSFER ABILITY OF RADIATORS USING THERMOVALVE." Journal of Construction and Engineering Technology 1, no. 1 (2023): 1–4. https://doi.org/10.5281/zenodo.8064529.

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The correct choice of equipment for the heating system, their effective use is important in providing the required amount of heat. In the heating system, the number of ribs of radiators is selected after calculation for the coldest day of winter. But the temperature of the external environment also changes during the heating season. Also, when calculating the required heat load for rooms, the amount of additional heat is not taken into account. In cases where the amount of heat released into the heated room and the transmitted heat flow is more than the norm, it can be controlled by means of t

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24

Calise, Francesco, Francesco Liberato Cappiello, Luca Cimmino, Massimo Dentice d’Accadia, and Maria Vicidomini. "A Novel Capacitive Model of Radiators for Building Dynamic Simulations." Thermo 5, no. 1 (2025): 9. https://doi.org/10.3390/thermo5010009.

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This study addresses the critical challenge of performing a detailed calculation of energy savings in buildings by implementing suitable actions aiming at reducing greenhouse gas emissions. Given the high energy consumption of buildings’ space heating systems, optimizing their performance is crucial for reducing their overall primary energy demand. Unfortunately, the calculations of such savings are often based on extremely simplified methods, neglecting the dynamics of the emitters installed inside the buildings. These approximations may lead to relevant errors in the estimation of the possib

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25

Benakopoulos, Salenbien, Vanhoudt, and Svendsen. "Improved Control of Radiator Heating Systems with Thermostatic Radiator Valves without Pre-Setting Function." Energies 12, no. 17 (2019): 3215. http://dx.doi.org/10.3390/en12173215.

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Low-temperature district heating will play an important role in a future free of fossil fuels. This will only be able to be realized through the low-temperature operation of heating systems in existing buildings. Existing radiator systems can operate with low temperatures for most of the year because they are designed for extremely cold days, but errors have to be corrected and the control of the radiator systems needs to be improved. In this paper, we present a strategy to achieve low-temperature operation from the radiator system of a multi-family building in Denmark without a pre-setting fu

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26

Su, Songfei, Yang Wang, Lukai Zheng, Mengxin Sun, Qiang Tang, and Huiyu Huang. "Study on the Cooling Performance of a Focused Ultrasonic Radiator for Electrical Heating Elements." Micromachines 15, no. 1 (2024): 116. http://dx.doi.org/10.3390/mi15010116.

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In this work, a focused ultrasonic radiator is proposed for cooling the electrical heating elements in the focal region, and its working characteristics are investigated. The analyses of the FEM computational and flow field visualization test results indicate that focused ultrasound can generate forced convective heat transfer by the acoustic streaming in the focal region, which can cool the heating elements effectively. Experiments show that when the input voltage is 30Vp-p and the ambient temperature is 25 °C, the focused ultrasonic radiator can cause the surface temperature of the heating e

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27

Л. А., Кущев,, Мелькумов, В. Н., Саввин, Н. Ю., and Чуйко, В. В. "Simulation of Heat Carrier Motion in Tubular Heating Radiators." НАУЧНЫЙ ЖУРНАЛ СТРОИТЕЛЬСТВА И АРХИТЕКТУРЫ, no. 4(68) (December 21, 2022): 40–49. http://dx.doi.org/10.36622/vstu.2022.68.4.004.

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Анотація:

Постановка задачи. Рассматривается движение теплоносителя в секциях трубчатых радиаторов отопления оригинальных конструкций, содержащих турбулизаторы разных типов. Необходимо разработать модели движения теплоносителя в рассматриваемых конструкциях в диапазоне скоростей 0,5-1,5 м/с и сравнить интенсивность турбулизации потока в них. Результаты. С помощью модуля Flow Simulation программного комплекса SOLIDWORKS получены результаты моделирования движения теплоносителя в секциях оригинальных трубчатых радиаторов отопления с турбулизирующими вставками. Построены 3D-модели секций радиаторов. Приведе

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28

Талипов, Р. А., А. Е. Дунюшкин, Я. И. Светлаков, Ю. С. Райзер та В. Н. Зенцов. "Исследование характера механического разрушения чугунного радиатора при возникновении гидравлического удара в системе отопления". Vodosnabzhenie i sanitarnaia tehnika, № 1 (15 січня 2025): 50–53. https://doi.org/10.35776/vst.2025.01.06.

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Анотація:

Одним из видов аварий в системах отопления является утечка теплоносителя вследствие нарушения герметичности. Причиной может быть механическое разрушение элементов системы отопления (например, отопительного прибора) иа-за возникновения гидравлического удара. Цель работы состояла в исследовании характера разрушения чугунного радиатора при возникновении гидравлического удара в системе отопления. Выполнен анализ теоретических основ возникновения гидравлического удара. Для исследований использовался испытательный стенд, моделирующий возникновение гидравлического удара в системе отопления. Проведена

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29

Ristanovic, Milan, Goran Petrovic, Zarko Cojbasic, and Maja Todorovic. "Enhanced control of radiator heating system." Thermal Science 22, Suppl. 5 (2018): 1337–48. http://dx.doi.org/10.2298/tsci18s5337r.

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Анотація:

In this paper a radiator heating system of a building is considered. For the purpose of the heating system optimization, a mathematical model of the system is developed. The linear quadratic algorithm with integral action is proposed and analyzed. This solution has proven to be expensive. Further analysis of the model is done and a reduction of the order of the system is proposed. An inverse-based controller design approach for minimum-phase first order system is used to provide realizable controller in the form of proportional integral controller. Optimal parameters of the control algorithm p

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Arslanturk, Cihat, and A. Feridun Ozguc. "Optimization of a central-heating radiator." Applied Energy 83, no. 11 (2006): 1190–97. http://dx.doi.org/10.1016/j.apenergy.2006.01.009.

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Huang, Li, Udo Piontek, Lulu Zhuang, Rongyue Zheng, and Deqiu Zou. "Study on Thermal Performance of Electric Heating System with Salt Hydrate-PCM Storage." Energies 16, no. 20 (2023): 7108. http://dx.doi.org/10.3390/en16207108.

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An electric radiator combined with salt hydrate-phase change material (PCM) storage was developed to replace the existing scattered coal burning systems for clean heating applications. It was designed to have an average heat output of 400 W and a thermal storage efficiency of 65.6% for reducing the electricity peak load. The thermal performance was investigated experimentally and numerically by using various radiator configurations and electric heating powers, as well as three PCMs with a melting point of 58 °C (PCMI 58), 78 °C (PCMI 78) and 90 °C (PCMI 90). It was found that the radiator comb

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32

Ferrantelli, Andrea, Karl-Villem Võsa, and Jarek Kurnitski. "Optimization of Radiators, Underfloor and Ceiling Heater Towards the Definition of a Reference Ideal Heater for Energy Efficient Buildings." Applied Sciences 8, no. 12 (2018): 2477. http://dx.doi.org/10.3390/app8122477.

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Heat emitters, as the primary devices used in space heating, cover a fundamental role in the energy efficient use of buildings. In the search for an optimized design, heating devices should be compared with a benchmark emitter with maximum heat emission efficiency. However, such an ideal heater still needs to be defined. In this paper we perform an analysis of heat transfer in a European reference room, considering surface effects of thermal radiation and computing the induced operative temperature (op.t.) both analytically and numerically. Our ideal heater is the one determining the highest o

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Kılkış, Birol, Malik Çağlar, and Mert Şengül. "Energy Benefits of Heat Pipe Technology for Achieving 100% Renewable Heating and Cooling for Fifth-Generation, Low-Temperature District Heating Systems." Energies 14, no. 17 (2021): 5398. http://dx.doi.org/10.3390/en14175398.

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This paper addresses the challenges the policymakers face concerning the EU decarbonization and total electrification roadmaps towards the Paris Agreement set forth to solve the global warming problem within the framework of a 100% renewable heating and cooling target. A new holistic model was developed based on the Rational Exergy Management Model (REMM). This model optimally solves the energy and exergy conflicts between the benefits of using widely available, low-temperature, low-exergy waste and renewable energy sources, like solar energy, and the inability of existing heating equipment, w

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Guan, Zhen Zhong, Chong Jie Wang, and Yi Bing Xue. "The Application of Solar District Heating and Water Heating Integrated System in Residential Quarter." Advanced Materials Research 935 (May 2014): 97–101. http://dx.doi.org/10.4028/www.scientific.net/amr.935.97.

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A solar district heating and water heating integrated system has been designed and installed in a 5000m2 residential quarter. The integrated system uses vacuum glass tube solar collector to collect solar radiation energy, and uses water as heat medium. Solar energy provides almost 50% of the total heating energy consumption in winter. The inadequate part of energy can be provided by a steam heater which steam is provided by exhaust steam of the turbine from a power station nearby. The integrated system is operating automatically according to the solar radiation and working condition. Low-tempe

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Li, Jin Ping, Tao Min Wei, Jun Ma, Qin Tong Zhao, and Lei Lei Wang. "Study on Heating System of Solar Energy Combined with Bioenergy." Applied Mechanics and Materials 209-211 (October 2012): 1792–800. http://dx.doi.org/10.4028/www.scientific.net/amm.209-211.1792.

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In order to employ the solar energy and bioenergy efficiently and economically, a new model of heating system is established for theoretically studying the exergy and energy utilization of solar energy and bioenergy on the basis of the Integrated Cascaded Utilization of Chemical and Physical Energy Principle. The results indicate, the low temperature floor radiation heating way is better than the traditional radiator heating way, and compared with traditional direct burning biomass heating, the energy and exergy utilization efficiency of the new system are more than 89% and 20% respectively, a

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36

Puttige, Anjan Rao, Kailun Feng, Weizhuo Lu, and Thomas Olofsson. "Are radiators ready for the challenges of the future: A review of advancements in radiators." E3S Web of Conferences 356 (2022): 03024. http://dx.doi.org/10.1051/e3sconf/202235603024.

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Radiators play an important role in providing a comfortable and safe indoor environment while maintaining high-energy efficiency. In the perspective of future climate change with expected larger temperature fluctuations and the rapidly changing heat supply and demand, it is required that the current radiator technology is adaptable. The heat supply is changing towards a lower supply temperature to enable an increase in energy efficiency and an increase in the share of renewable energy. Simultaneously, both the heat supply and demand are expected to have more variations in the future. An additi

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Muresan, Vlad, Balan Radu, Donca Radu, and Laura Pacurar. "A Detached House Simulation Using the International Building Physics Toolbox in Matlab\Simulink." Applied Mechanics and Materials 162 (March 2012): 567–74. http://dx.doi.org/10.4028/www.scientific.net/amm.162.567.

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Energy savings are an important issue in the context of climate change. The main goal of researchers is to study and develop new methods of improving energy efficiency in household heating. In this paper a Matlab toolbox is presented and explained. The toolbox is developed for researchers and students interested in simulating building energy behavior. A test room is developed and simulated and a radiator model is implemented. Two types of heating are used during the simulation: a radiant floor heating and a panel radiator. A simple on-off control is used for each heating system. The goal of th

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Li, Yu Long, Jin Yang, Wei Li, and Ye Xiao Yu. "Brazing of Low Carbon Steel Automotive Radiator Pipe Using of Cu-Zn Alloy." Advanced Materials Research 233-235 (May 2011): 2718–21. http://dx.doi.org/10.4028/www.scientific.net/amr.233-235.2718.

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In order to join the automotive radiator pipe with high-quality and high-efficiency, flame and induction brazing experiments of steel radiator were carried out using Cu-Zn alloy. Results show that Cu-Zn brazing filler metal can wet the steel well under different heating conditions. The average tensile-shear strength of the brazed joints was more than 400MPa. Brazing experiments of automotive radiator pipe were carried out for comparing the heating methods. Results show that the joints acquired by the induction brazing method were much better in the appearance, further; the amounts of brazing a

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Tunzi, Michele, Dorte Skaarup Østergaard, and Svend Svendsen. "Development and Test of a Novel Electronic Radiator Thermostat with a Return Temperature Limiting Function." Energies 15, no. 1 (2022): 367. http://dx.doi.org/10.3390/en15010367.

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Automated hydronic balancing in space heating systems is crucial for the fourth-generation district heating transition. The current manual balancing requires labor- and time-consuming activities. This article presents the field results of an innovative electronic radiator thermostat tested on two Danish multi-family buildings. The prototypes had an additional return temperature sensor on each radiator and an algorithm was used to accurately control valve opening to ensure automated hydronic balancing. The results highlighted that the new thermostat performed as expected and helped secure the c

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40

Zhang, Fengqin. "An Individual Household-Based Heating Metering and Charging Management System for Central Heating in Community Residential Buildings." International Journal of Heat and Technology 39, no. 3 (2021): 787–96. http://dx.doi.org/10.18280/ijht.390312.

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The optimization of heating metering method in the heating season has very important and practical value for energy saving and emission reduction, however, existing studies haven’t comprehensively analyzed the heating metering and charging management systems adopted by residential buildings with adjustable heat supply, and the problem of fair heat sharing hasn’t been well solved yet. To fill in this research gap, this paper designed an individual household-based heating metering and charging management system. At first, the paper gave the structure of the system and introduced the system funct

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Huong Nai Hao, Ting Tiew Wei, Leslie Toh Kok Lik, and Ngu Heng Jong. "Experimental Study on Convective Heat Transfer Enhancement of Automotive Radiator with Graphene-Nanoplatelet Suspension." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 101, no. 2 (2023): 60–72. http://dx.doi.org/10.37934/arfmts.101.2.6072.

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In the present work, an experimental investigation has been conducted to analyse the effects of graphene-nanoplatelet (GnP) suspension on the thermal performance of automotive radiator. GnP nanofluids are prepared by dispersing the nanoparticles in distilled water with a concentration of 0-0.3 vol.%. The thermophysical properties of water-GnP nanofluid have been studied with different volumetric concentrations and temperatures. The present study shows that convective heat transfer performance of the automotive radiator could be enhanced by increasing the nanoparticle suspension, heating power,

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42

Ivashina, Yu, and V. Zavodyannyi. "INSTALLATION FOR DETERMINATION OF HEAT RELEASE OF HEATING RADIATORS." Municipal economy of cities 4, no. 164 (2021): 77–81. http://dx.doi.org/10.33042/2522-1809-2021-4-164-77-81.

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To calculate the share of thermal energy consumed by this apartment in an apartment building, it is necessary to determine the heat transfer of all heating radiators in the house. But the heat transfer given in the passport of the heating device corresponds to the temperature pressure equal to 70K. Often the owners install non-standard devices, so the problem of determining the heat transfer of heating radiators in real conditions is relevant. Thermometric method, which is called electric, is widely used for laboratory determination of heat transfer of heating devices. Water by means of the pu

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43

Paine, Sam, Patrick James, AbuBakr Bahaj, and Andrew Waggott. "Heating and controls use resulting from shared-cost charges in communal network social housing." Building Services Engineering Research and Technology 41, no. 3 (2020): 315–31. http://dx.doi.org/10.1177/0143624420911170.

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In dwellings connected to district or communal heating schemes occupants are commonly charged based on actual heat consumption, providing a direct link between heat consumption and weekly heating cost. This article investigates how the use of fixed-rate, shared-cost charging without dwelling-level metering affects the heating and controls use in communal network social housing. Living room and radiator temperatures in 50 flats were monitored over a winter heating season and occupants surveyed at monitoring install and removal. The primary stated and observed heating strategy was to leave the h

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Flaga, Stanisław, Ireneusz Dominik, and Marek Szybiński. "Testing the Uniformity of Surface Resistance on Large-Format Transparent Heating Glass." Sensors 23, no. 21 (2023): 8738. http://dx.doi.org/10.3390/s23218738.

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The design of a glazing package containing heating glass can make a window a radiator simultaneously. For such bulky glass to act as an effective radiator simultaneously, it should be possible to provide a constant temperature over the entire surface. The continuous surface temperature of the glass depends on the uniformity of the surface resistance of the resistive layer. This paper will demonstrate the testing of heating glass parameters using a specialised apparatus. The research will mainly focus on measuring the value and distribution of the surface resistance of the transparent heating l

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45

Tol, Hakan İbrahim, and Habtamu Bayera Madessa. "Return-Temperature Reduction at District Heating Systems: Focus on End-User Sites." Energies 17, no. 19 (2024): 4901. http://dx.doi.org/10.3390/en17194901.

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This review presents a comprehensive examination of recent advancements and findings related to return-temperature reduction in District Heating (DH) systems, with a focus on enhancing overall system efficiency at end-user sites. The review categorizes and clarifies various return-temperature reduction techniques, emphasizing aspects such as building energy performance, heat emitters, thermostatic radiator valves, and substation units. One shall note that return temperature is not a parameter that can be directly controlled within a DH system; instead, it is influenced indirectly by adjusting

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Tuomas, Edvardas, and Saulius Neverbickas. "METHODOLOGY OF THE PRIMARY DATA RECONSTRUCTION OF SINGLE PIPE HEATING SYSTEMS/VIENVAMZDŽIŲ ŠILDYMO SISTEMŲ PIRMINIŲ DUOMENŲ NUSTATYMO METODIKA." JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 5, no. 5 (1999): 318–22. http://dx.doi.org/10.3846/13921525.1999.10531482.

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The majority of dwellings in Lithuania are situated in blocks of flats. The dwellings were built after World War II and they are heated by single pipe central heating systems, connected to district heating. The dwellers are not quite satisfied with such a heating system and try to improve it, but do that in a wrong way, by increasing the surface of radiators. Such means lead to violation of thermal regime and comfort conditions for other dwellers. There exists sometimes the necessity of reconstructing premises and together—the heating system. During the reconstruction the primary heat fluxes f

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Glamazdin, P., P. Pasichnyk, and О. Priymak. "Possibilities of improving the design of sectional aluminium radiator." Ventilation, Illumination and Heat Gas Supply 41 (April 12, 2022): 24–31. http://dx.doi.org/10.32347/2409-2606.2022.41.24-31.

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The main trend in the development of district heating systems in recent years is a decrease in the temperature of heat carrier, based on the desire to include renewable energy sources in such systems. Despite the ever-increasing demands on the thermal envelope of buildings, lowering the temperature entails the need to increase the area of heating appliances. In turn, this leads to an increase in material consumption of heating systems, increasing their hydraulic resistance and design problems. In order to avoid or at least reduce these negative consequences of the struggle to increase the envi

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Livanskiy, D. G., and Y. V. Holub. "Formation of the Microclimate of Residential Premises during Heating with a Radiant-Convective Heating Device." Science & Technique 24, no. 1 (2025): 63–71. https://doi.org/10.21122/2227-1031-2025-24-1-63-71.

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This article examines the peculiarities of microclimate formation when using radiant-convective heating device - radiator. The main purpose of the work is to determine the advantages and disadvantages of radiator heating in residential premises, to assess the influence of window sizes, room dimensions and the device on the formation of the microclimate in the room. The study includes the analysis of temperature and velocity fields in three representative rooms of different sizes and configurations. The authors identify the disadvantages of current heating systems associated with the uneven tem

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Kalmár, T., and F. Kalmár. "Comfort and energy analysis of heating up." International Review of Applied Sciences and Engineering 1, no. 1-2 (2010): 35–43. http://dx.doi.org/10.1556/irase.1.2010.1-2.6.

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Abstract The research work was done in the Building Physics Laboratory of the Department of Building Services and Building Engineering, University of Debrecen. The test room could be heated by radiator, wall, floor and ceiling heating. The main goal of this research was to see how the internal temperature varies during the heating up period, how much is the increment during the 3 hours measurement and how much the energy consumption is. This paper presents the results of the research work. The obtained results have proven that in our case the ceiling and radiator heating gave the higher increm

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Ding, Ruochen, Baorui Du, Shuxue Xu, Jun Yao, and Huilong Zheng. "Theoretical analysis and experimental research of heat pump driving heat pipes heating equipment." Thermal Science 24, no. 2 Part A (2020): 1019–29. http://dx.doi.org/10.2298/tsci190223329d.

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In this study, the main design parameters of the heat pump/heat pipe composite system were calculated. The operation characteristics of the heat pump/heat pipe composite system under low temperature were experimentally studied. The start-up character of the heat pipe radiator and heat pipe radiator surface temperature distribution were obtained. The variation of heating capacity and heating coefficient of performaance of the heat pump/heat pipe composite system with different working condition was obtained. Experimental results show that the heat pump/heat pipe composite system can operate eff

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