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Journal articles on the topic 'SOLAR FLAT PLATE COLLECTORS'

Author: Grafiati

Published: 11 September 2023

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1

Noghrehabadi, Aminreza, Ebrahim Hajidavaloo, Mojtaba Moravej, and Ali Esmailinasab. "An experimental study of the thermal performance of the square and rhombic solar collectors." Thermal Science 22, no. 1 Part B (2018): 487–94. http://dx.doi.org/10.2298/tsci151228252n.

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Solar collectors are the key part of solar water heating systems. The most widely produced solar collectors are flat plate solar collectors. In the present study, two types of flat plate collectors, namely square and rhombic collectors are experi?mentally tested and compared and the thermal performance of both collectors is investigated. The results show both collectors have the same performance around noon (?61%), but the rhombic collector has better performance in the morning and afternoon. The values for rhombic and square collectors are approximately 56.2% and 53.5% in the morning and 56.1

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2

Han, Xiao Dong, Shi Wei Zhang, Chuan Chen, and Yong Tang. "Analysis of Selective Absorber Coatings on Thermal Performance of the Solar Flat-Plate Collector." Advanced Materials Research 690-693 (May 2013): 2093–97. http://dx.doi.org/10.4028/www.scientific.net/amr.690-693.2093.

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In this work, a solar flat-plate collector test system is developed. The solar flat-plate collectors with anodic coating, chromium coating and blue core coating are tested. The experimental results indicate that the relative absorption ration α/ε of blue core coating is up to 19. The efficiency of collector with blue core coating is 78.66%, which is 5% higher than collectors with the other two types of coatings. In addition, collector with blue core coating has smaller total thermal loss coefficient. The blue core coating can effectively improve the performance of solar flat-plate collectors.

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3

Amirgaliyev, Yedilkhan, Murat Kunelbayev, Talgat Ormanov, Talgat Sundetov, and Salauat Daulbayev. "Experimental comparative analysis of operating characteristics of double circuit flat-plate solar collector with thermosiphon circulation and flat solar collector with chemical coating." Thermal Science, no. 00 (2021): 173. http://dx.doi.org/10.2298/tsci201108173a.

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The given article considers results of experimental measurements, productivity comparison and master controller executive system of flat-plate solar collector with thermosiphon circulation and flat solar collector with special chemical coating. There has been developed master controllers control module, which receives data from temperature and lighting sensors, obtained in operation process. The aim of the research is getting the solar collectors? optimal parameters, representing maximal usage performance index, controllability, as well as, construction type, allowing energy saving. In the rec

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4

Olczak, Piotr, Dominika Matuszewska, and Jadwiga Zabagło. "The Comparison of Solar Energy Gaining Effectiveness between Flat Plate Collectors and Evacuated Tube Collectors with Heat Pipe: Case Study." Energies 13, no. 7 (2020): 1829. http://dx.doi.org/10.3390/en13071829.

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In Poland, various solar collector systems are used; among them, the most popular are flat plate collectors (FPCs) and evacuated tube collectors (ETCs). The work presents two installations located at a distance of 80 km apart, working in similar external conditions. One of them contains 120 flat plate collectors and works for the preparation of hot water in a swimming pool building; the second one consists of 32 evacuated tube collectors with a heat pipe and supports the preparation of domestic hot water for a multi-family house. During the comparison of the two quite large solar installations

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5

Marcic, Simon, Rebeka Kovacic-Lukman, and Peter Virtic. "Hybrid system solar collectors - heat pumps for domestic water heating." Thermal Science 23, no. 6 Part A (2019): 3675–85. http://dx.doi.org/10.2298/tsci180314187m.

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This paper deals with the use of solar energy, heat pumps, and solar system-heat pump combinations for domestic water heating. The testing of solar tiles, flat plate collectors as an autonomous system, as well as flat plate collector-heat pump and solar tile-heat pump combinations, are presented. Black-coloured water absorbs solar radiation flows through solar tiles made of transparent polymethyl methacrylate (CH2C(CH3)COOCH3). At the same time, solar tiles are used as a roof covering and as a solar radiation collector. Hot water from solar tiles or a flat plate collector is directed to the he

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6

Sharma, Chandrakant, and Dr Virendra Sangtani. "Analyses of a Flat Plate Photovoltaic and Thermal Solar Collectors." International Journal of Trend in Scientific Research and Development Volume-3, Issue-3 (2019): 239–42. http://dx.doi.org/10.31142/ijtsrd21707.

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7

Li, Jie. "Review of Materials for Solar Thermal Collectors." Advanced Materials Research 171-172 (December 2010): 486–89. http://dx.doi.org/10.4028/www.scientific.net/amr.171-172.486.

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To cover the main contributions and developments in solar thermal collectors through focusing on materials, heat transfer characteristics and manufacturing challenges. A range of published papers and internet research including research work on various solar thermal collectors (flat plate, evacuated tubes, and heat pipe tube) were used. Evaluation of solar collectors performance is critiqued to aid solar technologies make the transition into a specific dominant solar collector. The sources are sorted into sections: finding an academic job, general advice, teaching, research and publishing, ten

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8

Kousar, Rubeena, and Muzaffar Ali. "Annual transient simulations and experimental investigation of a hybrid flat plate and evacuated tube collectors array in subtropical climate." Thermal Science 24, no. 2 Part B (2020): 1435–43. http://dx.doi.org/10.2298/tsci190623421k.

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Non-concentrating solar thermal collectors are being used for various heating and cooling applications. Flat plate collectors and evacuated tube collectors are extensively being used in this regard and their hybrid configuration could be an energy efficient solution. In the current work, model-based transient simulation approach is implemented using TRNSYS to decide the optimal number of flat plate collectors. Detailed experimental analysis of standalone and hybrid configurations of flat plate collectors and evacuated tube collectors is performed under real climate conditions of Taxila, Pakist

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9

Oyinlola, MA, and GSF Shire. "Characterising micro-channel absorber plates for building integrated solar thermal collectors." Building Services Engineering Research and Technology 40, no. 1 (2018): 13–29. http://dx.doi.org/10.1177/0143624418783173.

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This paper discusses the characterisation of micro-channel absorber plates for compact flat plate solar thermal collectors, which are suitable for building integration. Experimental and computational studies were carried out at typical operating conditions for flat plate solar collectors. Three-dimensional numerical analysis using commercial CFD package, ANSYS CFX, showed that heat transfer occurred on only three surfaces of the channel and there was a peripheral variation of the heat flux density. It was also observed that axial thermal conduction could modify the surface boundary at the inle

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10

He, Yong Tai, Rui Ming Liu, and Jin Hao Liu. "Experimental Research of Photovoltaic/Thermal (PV/T) Solar Systems." Applied Mechanics and Materials 401-403 (September 2013): 146–50. http://dx.doi.org/10.4028/www.scientific.net/amm.401-403.146.

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A novel water photovoltaic/thermal (PV/T) solar system was designed, which consisted of a flat plate solar thermal collector and a flat plate PV/T collector in parallel. The area of flat plate solar thermal collector and PV/T collectors were 2m2, respectively. The performance of PV/T solar system was tested under condition of flat plate PV/T collectors with glass cover. The test results show that the average output electricity power of PV/T solar system was 28.1W in sunny day at 8:27-17:00 (March 8,2013, at Chuxiong city), the water temperature in the water tank insulation with 200L was raised

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11

Lee, Minjung, Yunchan Shin, and Honghyun Cho. "Performance Evaluation of Flat Plate and Vacuum Tube Solar Collectors by Applying a MWCNT/Fe3O4 Binary Nanofluid." Energies 13, no. 7 (2020): 1715. http://dx.doi.org/10.3390/en13071715.

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This study experimentally investigated the performance characteristics of water and MWCNT/Fe3O4 binary nanofluid as a working fluid in a flat plate and vacuum tube solar collectors. As a result, the highest efficiency was 80.3% when 0.005 vol.% MWCNT/0.01 vol.% Fe3O4 binary nanofluid was applied to the flat plate solar collector, which was a 17.6% increase in efficiency, compared to that when water was used. In the case of the vacuum tube solar collector, the highest efficiency was 79.8%, which was 24.9% higher than when water was applied. Besides, when the mass flux of MWCNT/Fe3O4 binary nano

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12

Fathi, Nassar Yasser, and Sharif Mohamed Alamen. "Economic and Energetic Analysis for Optimizing the Length of Flat-Plate Solar Air Heating Collectors." Applied Mechanics and Materials 446-447 (November 2013): 810–16. http://dx.doi.org/10.4028/www.scientific.net/amm.446-447.810.

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One dimensional steady state mathematical model has been developed for study the thermal behavior of two types of flat-plate solar air heating collectors. The model allows demonstration the influence of the collector's dimension leading to optimize the length of the collector. The model implemented numerically using finite-difference technique with mass flow rate of 0.01 kg/s per unit area of solar collector and the incident solar radiation equal to 900W/m2. The analysis has been done for a large range of areas. Illustrative results such as the temperatures of the components of the collectors

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13

Chekerovska, Marija, and Risto Filkoski. "Efficiency of liquid flat-plate solar energy collector with solar tracking system." Thermal Science 19, no. 5 (2015): 1673–84. http://dx.doi.org/10.2298/tsci150427099c.

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An extensive testing programme is performed on a solar collector experimental set-up, installed on a location in Shtip (Republic of Macedonia), latitude 41? 45? and longitude 22? 12?, in order to investigate the effect of the sun tracking system implementation on the collector efficiency. The set-up consists of two flat plate solar collectors, one with a fixed surface tilted at 30? towards the South, and the other one equipped with dual-axis rotation system. The study includes development of a 3-D mathematical model of the collectors system and a numerical simulation programme, based on the co

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14

Meena, Chandan Swaroop, Sunita Meena та V. K. Bajpai. "Correlation between Absorber Plate Thickness δ and Collector Efficiency Factor Fˈ of Solar Flat-Plate Collector". Applied Mechanics and Materials 592-594 (липень 2014): 2341–44. http://dx.doi.org/10.4028/www.scientific.net/amm.592-594.2341.

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Solar collectors are the key component of active solar-heating systems. They collect the sun's energy, transform its radiation into heat, and then transfer that heat to a fluid. The solar thermal energy can be used in solar water-heating systems, solar pool heaters, and solar space-heating systems. The configuration of the Flat Plate Collector (FPC) is very important parameter which affects collector performance. The collector efficiency factor is directly affecting the efficiency of the solar flat-plate collector, this collector efficiency factor influenced with few other parameters, i.e. the

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15

Cruz-Peragon, F., J. M. Palomar, P. J. Casanova, M. P. Dorado, and F. Manzano-Agugliaro. "Characterization of solar flat plate collectors." Renewable and Sustainable Energy Reviews 16, no. 3 (2012): 1709–20. http://dx.doi.org/10.1016/j.rser.2011.11.025.

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16

Russo, Roberto, Davide De Maio, Carmine D’Alessandro, et al. "Enhancing the solar-to-thermal energy conversion in high vacuum flat plate solar collectors." EPJ Web of Conferences 266 (2022): 07005. http://dx.doi.org/10.1051/epjconf/202226607005.

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In solar flat plate collectors, the high vacuum insulation suppresses the convective losses increasing the collector efficiency. The solar-to-thermal energy conversion efficiency in such solar thermal collectors is mainly defined by the optical and radiation losses of the selective solar absorber. We present the full process of design, optimization, fabrication, and characterization of multilayer coatings specifically thought for working in high vacuum flat solar thermal collectors at different operating temperatures, from 100 °C to 300 °C. We discuss the relative importance of absorptance and

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17

Fudholi, Ahmad, Mariyam Fazleena Musthafa, Abrar Ridwan, et al. "Energy and exergy analysis of air based photovoltaic thermal (PVT) collector: a review." International Journal of Electrical and Computer Engineering (IJECE) 9, no. 1 (2019): 109. http://dx.doi.org/10.11591/ijece.v9i1.pp109-117.

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<span lang="EN-US">Photovoltaic thermal (PVT) collectors convert solar radiation directly to both electrical and thermal energies. A PVT collector basiccaly combines the functions of a flat plate solar collector and those of a PV panel. This review presents thermodinamics fundamentals, descriptions, and previous works conducted on energy and exergy analysis of air based PVT collector. Studies in 2010 to 2018 of the energy and exergy analysis of air based PVT collectors are summarized. The energy and exergy efficiency of air based PVT collector ranges from 31% to 94% and 8.7% to 18%, resp

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18

Lari, Khosro, Ali Tarokh, and Mohammad Naghizadeh. "Gas radiative effects on gas-filled flat plate solar collectors." Canadian Journal of Physics 97, no. 10 (2019): 1115–24. http://dx.doi.org/10.1139/cjp-2018-0878.

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A standard thermal solar collector can be used for both hot water production and air heating purposes. Gas-filled solar collectors represent a new emerging design approach with enhanced characteristics. In this research, numerical modeling is utilized to study radiative effects of the participating gases on the performance of solar collectors. The coupled radiative–convective heat transfer in the solar collector is considered and the collector cavity is considered as a radiatively participating medium. The finite volume method has been adopted to solve the governing equations and discrete ordi

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19

Kannan, Nithiyananthan, N. Vasantha Gowri, T. Muralikrishna, et al. "Experimental Investigation on Incorporation of Zinc-Ferrite Nanocoated Baffles for Improving the Performance of Field Power Electrical Transformer Integrated with a Solar Air Heater." Advances in Materials Science and Engineering 2023 (April 17, 2023): 1–10. http://dx.doi.org/10.1155/2023/5657609.

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Solar energy is the most accessible, eco-friendly, and renewable energy source available to meet the world’s expanding energy needs. Solar collectors are commonly utilized to convert solar energy directly into heat for purposes ranging from house heating to timber seasoning and crop drying. The purpose of this research is to design a modified solar air heater (SAH) with a baffle plate and to examine the performance due to the provision of zinc-ferrite nanocoated baffles. The entire system is mounted over a transformer for effective cooling and also produces hot air for industrial requirements.

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20

Ayoobi, Ahmadreza, and Mahdi Ramezanizadeh. "An Exhaustive Review on a Solar Still Coupled with a Flat Plate Collector." International Journal of Photoenergy 2021 (November 8, 2021): 1–24. http://dx.doi.org/10.1155/2021/9744219.

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In recent years, producing energy and potable water has become a contemporaneous issue in all areas, especially in rural and remote areas. It is due to the limitation of fossil fuels in generating energy and the daily increase of potable water topic pollution due to various development activities in the industries. Gradually, the use of renewable energies has been suggested as far as humans focus on using these energies in various activities, which is gratis and accessible in more areas without having negative anthropogenic hazards. Solar radiation has an important position in renewable energi

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21

Shemelin, Viacheslav, and Tomas Matuska. "Detailed Modeling of Flat Plate Solar Collector with Vacuum Glazing." International Journal of Photoenergy 2017 (2017): 1–9. http://dx.doi.org/10.1155/2017/1587592.

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A theoretical analysis of flat plate solar collectors with a vacuum glazing is presented. Different configurations of the collector have been investigated by a detailed theoretical model based on a combined external and internal energy balance of the absorber. Performance characteristics for vacuum flat plate collector alternatives have been derived. Subsequently, annual energy gains have been evaluated for a selected variant and compared with state-of-the-art vacuum tube collectors. The results of modeling indicate that, in the case of using advanced vacuum glazing with optimized low-emissivi

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22

Karim, M. A., and Z. M. Amin. "MATHEMATICAL MODELLING AND PERFORMANCE ANALYSIS OF DIFFERENT SOLAR AIR COLLECTORS." IIUM Engineering Journal 16, no. 2 (2015): 43–55. http://dx.doi.org/10.31436/iiumej.v16i2.603.

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The purpose of using solar air collectors is to raise the atmospheric air temperature to a temperature which can be used for various low and medium temperature applications. Collector, absorber and airflow arrangement are the most important components in the solar air collector. The performance of the collector depends on its heat loss and the absorber area that is in contact with the airflow. This study involves the theoretical simulation of the effect of mass flow rate on the performance, for flat plate and v-groove collectors that are in single and double pass configurations. Results show t

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23

Yan, Hui Lei, Hua Zhang, and Qiu Ping Shao. "Comparative Studies on the Efficiency of Solar Flat-Plate Collector and Evacuated Tube Collector." Applied Mechanics and Materials 291-294 (February 2013): 3–8. http://dx.doi.org/10.4028/www.scientific.net/amm.291-294.3.

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Solar collectors are the key components of solar thermal utilization. The comparative tests of solar flat-plate collector (SFPC) and heat pipe evacuated tube collector (HPETC) were done in this paper. The results show that during the low temperature difference range, the heat collecting efficiency of the flat-plate collector is about 2.3 times higher than the efficiency of the heat pipe evacuated tube collector and the heat loss of the flat-plate collector is about 3.2 times bigger than that of the heat pipe evacuated tube collector. Through the analysis, two measures are proposed to improve t

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Elsayied Ali, Khalid Taha, Dr Osama Mohammed Elmardi Suleiman Khayal, and Dr Elhassan Bashier Elagab. "ANALYSIS OF A FLAT PLATE SOLAR COLLECTOR." International Journal of Engineering Applied Sciences and Technology 7, no. 6 (2022): 117–21. http://dx.doi.org/10.33564/ijeast.2022.v07i06.006.

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In the solar-energy industry great emphasis has been placed on the development of "active" solar energy systems which involve the integration of several subsystems: solar energy collectors, heat-storage containers, heat exchangers, fluid transport and distribution systems, and control systems. The major component unique in active systems is the solar collector. This device absorbs the incoming solar radiation, converting it into heat at the absorbing surface, and transfers this heat to a fluid (usually air or water) flowing through the collector. The warmed fluid carries the heat either direct

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25

Waksman, D., and W. C. Thomas. "The NBS Solar Collector Reliability/Durability Test Program: Summary of Results and Recommendations for Collector Testing." Journal of Solar Energy Engineering 108, no. 1 (1986): 35–40. http://dx.doi.org/10.1115/1.3268060.

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Efforts in the development of reliability/durability tests for solar collectors and their materials have been hampered by the lack of real time and accelerated degradation data that can be correlated with in-use conditions. In 1977, the Solar Collector Reliability/Durability Test Program was initiated by the US Department of Energy at the National Bureau of Standards (NBS) to help generate the data required to develop methods for predicting the long term durability and reliability of flat-plate solar collectors and their materials. This paper summarizes the results obtained in the test program

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26

Armenta-Déu, Carlos. "Study and Characterization of a Spherical Solar Collector. I. Efficiency and Thermal Losses Coefficient." Journal of Energy and Power Technology 05, no. 03 (2023): 1–15. http://dx.doi.org/10.21926/jept.2303022.

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This paper studies and characterizes a solar collector with spherical geometry to produce hot water for sanitary and domestic applications and other facilities. The new geometry enlarges the solar collector surface and allows full sun tracking during the day without needing a solar tracking system. Although this geometry has been in use for some time, its market penetration is low due to the lack of perfect knowledge of solar collector behavior and the benefits compared with conventional solar collectors. The studies carried out in the lab for small domestic application has shown that this new

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27

Zheng, Da Yu, Juan Zheng, Xiang Yi Guan, Jia Zheng, and Yi Ming Zhang. "Review of Materials and Environment Management for Solar Thermal Collectors." Applied Mechanics and Materials 521 (February 2014): 539–42. http://dx.doi.org/10.4028/www.scientific.net/amm.521.539.

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To cover the main contributions and developments in solar thermal collectors through focusing on materials, heat transfer characteristics and manufacturing challenges. A range of published papers and internet research including research work on various solar thermal collectors (flat plate, evacuated tubes, and heat pipe tube) were used. Evaluation of solar collectors performance is critiqued to aid solar technologies make the transition into a specific dominant solar collector. The sources are sorted into sections: finding an academic job, general advice, teaching, research and publishing, ten

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28

Amraoui, Mohammed Amine. "Three-Dimensional Numerical Simulation of a Flat Plate Solar Collector with Double Paths." International Journal of Heat and Technology 39, no. 4 (2021): 1087–96. http://dx.doi.org/10.18280/ijht.390406.

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Flat air solar collectors are used for heat transfer between the absorber and the heat transfer fluid, to improve this transfer there are several methods. Among these methods, the exchange surface lengthening and the creation of turbulence. In this work is done to give a comparison between two types of solar collectors, so we have made an improvement of Ben Slama Romdhane's solar collector by creating two air flow passages to increase heat transfer. We made a 3D simulation of a flat air solar collector with transverse baffles which causes turbulence and increases the exchange surface; we use t

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29

Zalamea-Leon, Esteban, Edgar A. Barragán-Escandón, John Calle-Sigüencia, Mateo Astudillo-Flores, and Diego Juela-Quintuña. "Residential Solar Thermal Performance Considering Self-Shading Incidence between Tubes in Evacuated Tube and Flat Plate Collectors." Sustainability 13, no. 24 (2021): 13870. http://dx.doi.org/10.3390/su132413870.

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The performance of solar thermal technology under high-altitude equatorial climatic and solar path conditions has not been determined. Evacuated tube solar collectors are more efficient than flat plate collectors in cold and cloudy regions; however, due to their dependence on orientation, the irradiation incidence between the tubes of these collectors can be blocked. In this study, the performance of these types of collectors was analyzed to determine the implications of their orientation under these specific climate conditions. Four solar thermal systems were installed: two of the systems use

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30

Jebaraj, S., and Ali Mubarak Al Qahtani. "A review on solar flat plate collectors." International Journal of Global Energy Issues 43, no. 2/3 (2021): 114. http://dx.doi.org/10.1504/ijgei.2021.10037732.

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Jebaraj, S., and Ali Mubarak Al Qahtani. "A review on solar flat plate collectors." International Journal of Global Energy Issues 43, no. 2/3 (2021): 114. http://dx.doi.org/10.1504/ijgei.2021.115140.

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32

Farahat, S., F. Sarhaddi, and H. Ajam. "Exergetic optimization of flat plate solar collectors." Renewable Energy 34, no. 4 (2009): 1169–74. http://dx.doi.org/10.1016/j.renene.2008.06.014.

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Zhao, Qiqiu, G. W. Sadler, and J. J. Leonard. "Transient simulation of flat-plate solar collectors." Solar Energy 40, no. 2 (1988): 167–74. http://dx.doi.org/10.1016/0038-092x(88)90086-2.

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Ge, Zhong, Huitao Wang, Hua Wang, Songyuan Zhang, and Xin Guan. "Exergy Analysis of Flat Plate Solar Collectors." Entropy 16, no. 5 (2014): 2549–67. http://dx.doi.org/10.3390/e16052549.

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35

Adun, Humphrey, Michael Adedeji, Ayomide Titus, Joakim James Mangai, and Tonderai Ruwa. "Particle-Size Effect of Nanoparticles on the Thermal Performance of Solar Flat Plate Technology." Sustainability 15, no. 6 (2023): 5271. http://dx.doi.org/10.3390/su15065271.

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One of the cleanest and most efficient solar collector systems is the flat plate collector, which has applications in hot water production, drying, among others. Flat plate collectors have improved in terms of both their structural configurations and working fluids. Several studies have verified the comparatively higher efficiency of nanofluid-based flat plate collectors, relative to that of water and other thermal oils. Additionally, the influence of several nanofluid synthesis factors, such as volume fraction, pH, type of base fluid, hybridization, surfactants, and sonification, on the perfo

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36

Haghghi, Maghsoud A., and Seyed M. Pesteei. "Energy and exergy analysis of flat plate solar collector for three working fluids, under the same conditions." Progress in Solar Energy and Engineering Systems 1, no. 1 (2017): 1–9. http://dx.doi.org/10.18280/psees.010101.

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The growth and expansion of the population, has caused increased the use of energy in the last few years. One of the cleanest and renewable sources of the energy is the solar energy. The solar energy can be collected by solar collectors. One of the solar collectors is the flat plate solar collector (FPC), that it is used in domestic utilization. Use of various Nano-fluids to improve the thermal properties of solar collectors, considered as one of the most effective method to optimize the flat plate collectors. In this study, a FPC in terms of energy and exergy, for three fluids (water, air and

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Gupta, A. D., Ashish Gupta, P. K. Mishra, Yashi Gupta, and R. K. Mehta. "Optimization of Inclination Angle of Cavity and Characteristics of Attached Fins on the Absorber for Performance Enhancement of Solar Collectors." International Journal of Bio-resource and Stress Management 12, no. 3 (2021): 216–21. http://dx.doi.org/10.23910/1.2021.2223.

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This research investigation was undertaken in ANDUAT, Kumarganj, Ayodhya, Uttar Pradesh, India to study the numerical optimization of natural convection heat suppression in a solar flat plate collector with straight fins. Optimal characteristics of an array of thin fins attached on the absorber plat were obtained by Particle Swarm Optimization algorithm (PSOA). Free convection considered dominant in the cavity. Governing equations contained continuity; momentum and energy are discretized by finite volume method. The medium is considered incompressible, whose free convection is dominant and Bou

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Bakic, Vukman, Goran Zivkovic, and Milada Pezo. "Numerical simulation of the air flow around the arrays of solar collectors." Thermal Science 15, no. 2 (2011): 457–65. http://dx.doi.org/10.2298/tsci110222051b.

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This paper deals with the numerical simulation of air around the arrays of flat plate collectors and determination of the flow field, which should provide a basis for estimating a convective heat losses, a parameter which influences their working characteristics. Heat losses are the result of the reflection on the glass, conductive losses at the collector?s absorber plate, radiation of the absorber plate and convective losses on the glass. Wind velocity in the vicinity of the absorber plate depends on its position in the arrays of collectors. Results obtained in the numerical simulation of flo

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39

Nesovic, Aleksandar, Nebojsa Lukic, Mladen Josijevic, Nebojsa Jurisevic, and Novak Nikolic. "Novel flat-plate solar collector with an inclined N-S axis and relative E-W tracking absorbers and the numerical analysis of its potentials." Thermal Science, no. 00 (2023): 115. http://dx.doi.org/10.2298/tsci230201115n.

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The current flat-plate solar collectors perform best when their absorbers rotate around their axis. However, with their concentrators, reflectors, and tracking mechanisms, they take up a lot of space and are thus commercially speaking, not the best solutions. This paper proposes a novel solar collector design which employs the (relative) rotation of absorbers, but strives to combine the benefits of fixed and (absolute) tracking solar systems, i.e. volume occupancy from the former and thermal performance from the latter. The findings of our numerical analysis show that, the solar irradiance eff

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Ozsoy, Ahmet, Sabahattin Demirer, and Nor Maria Adam. "An Experimental Study on Double-Glazed Flat Plate Solar Water Heating System in Turkey." Applied Mechanics and Materials 564 (June 2014): 204–9. http://dx.doi.org/10.4028/www.scientific.net/amm.564.204.

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Domestic hot water preparation systems with flat plate solar collectors are widely used in Turkey. In this collector, the temperature difference between the required water temperature and the ambient air temperature increase causes a decrease in the efficiency of the collector. In this study, the use of double glass in order to increase the efficiency of the collector is studied experimentally.The location is in Isparta South West Turkey. Experimental study is conducted in May 2013 at the Suleyman Demirel University, Isparta. The system components are solar simulator, solar collector, tank, ci

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Rincón-Quintero, A. D., L. A. Del Portillo-Valdés, N. D. Zanabria-Ortigoza, C. L. Sandoval-Rodriguez, J. G. Maradey-Lázaro, and N. Y. Castillo-León. "Exergy analysis and development of flat plate solar collectors: A Review." IOP Conference Series: Materials Science and Engineering 1253, no. 1 (2022): 012009. http://dx.doi.org/10.1088/1757-899x/1253/1/012009.

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Abstract The exergy comes from the need to find some energy of a system that can be quantified to take advantage of its mechanical, electrical or any other type of work, it is limited in terms of investment of time and research, due to this fact, the need arises to be able to innovate with data collection on the exergy calculation models developed in flat solar collectors. In the present research, a search of the literature regarding the development of exergy in flat plate solar collectors was carried out, to then analyze and determine forty innovative articles in the last six years, which wer

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Cherraye, Ridha. "Experimental Investigation of the Effects of Preheating on Still Productivity." International Journal of Energetica 5, no. 1 (2020): 37. http://dx.doi.org/10.47238/ijeca.v5i1.121.

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Single basin solar still (SBSS) has low productivity in this experimental research, some techniques have been employed to solve this problem, these techniques consist of using a flat plate collector. The main aim of this research was to make efficient use of the flat plate collector (FPC) to increase solar still productivity, and it works as a hybrid device. The model solar water heater for the flat plat collector (FPC) was coupled with a solar still, and the tests were repeated in 3 to 5 winter days, and the results were measured in the same way for each day. The results revealed that the pro

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Abdul Hussein, Sarmad A., and Mohammed A. Nima. "Experimental Analysis of Air Inlet Height Variation in a Solar Tower system Using Plate and Metal Foam Absorber." Al-Nahrain Journal for Engineering Sciences 25, no. 3 (2022): 120–29. http://dx.doi.org/10.29194/njes.25030120.

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The experimental analysis is conducted under the Iraqi climate conditions to investigate the performance enhancement of a solar updraft tower system (SUTS) using the porous copper foam as an absorber plate and conventional absorber plate with absorber inclination angle of 18°. In the present work, a semicircular collector is divided into two identical quarter thermal collectors to become two identical SUTS. One of the quarter circular thermal collectors contains on the metal foam as an absorber plate, while the other quarter collector on the conventional flat copper absorber plate. In this stu

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Muhammad Amin Harun, Zafri Azran Abdul Majid, Zairul Azrul Zakaria, et al. "Study on Selection of a Suitable Material and The Parameters for Designing a Portable Flat Plate Base-Thermal Cell Absorber (FPBTCA)." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 85, no. 1 (2021): 71–92. http://dx.doi.org/10.37934/arfmts.85.1.7192.

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Several types of flat plate solar collectors have been designed and developed with various technical parameters involved in the design. The inappropriate flat plate solar collector parameter design and material chosen will affect its performance. Investigation on the effect of flat plate absorber collector material, glass thickness, air gap distance, thermal cell absorber thickness, and flat plate absorber base collector thickness on the performance of solar thermal collectors was conducted in this work. The experiment was performed using the solar simulator with solar radiation of 450 and 750

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Perez, R., R. Seals, J. Anderson, and D. Menicucci. "Calculating Solar Radiation Received by Tubular Collectors." Journal of Solar Energy Engineering 117, no. 4 (1995): 341–44. http://dx.doi.org/10.1115/1.2847893.

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Tubular absorbers installed inside evacuated tubes represent an increasingly common design for low-temperature solar collectors. Much work has been done on the subject of solar radiation received by flat-plate collectors; much less has been done for tubular collectors. In this paper we present an algorithm to estimate irradiance impinging on tubular arrays. Key examples are provided to illustrate the difference of energy collected between flat-plate and tubular collectors.

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Patay, István, Miklós Erdélyi, and László Gulyás. "Developing and testing solar collectors." Progress in Agricultural Engineering Sciences 5, no. 1 (2009): 55–74. http://dx.doi.org/10.1556/progress.5.2009.3.

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A relatively new trend is the development of concentrator-type solar collectors and cells for the use in micro-concentrators. The geometry of these concentrators is simple, the reflexion surfaces or mirrors are usually flat-plate surfaces. The relations of radiation in the inner spaces of these collectors are complicated. The OSLO optical edition software can be used to study and simulate the light paths in the concentrator elements and resonators, using the laws of geometrical optics. Based on the results of study and simulation, a pilot collector was built for energetic testing. In the appli

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Price, H. W., S. A. Klein, and W. A. Beckman. "Analysis of Boiling Flat-Plate Collectors." Journal of Solar Energy Engineering 108, no. 2 (1986): 150–57. http://dx.doi.org/10.1115/1.3268083.

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A detailed model for use with TRNSYS, capable of modelling a wide range of boiling collector types, was used to analyze boiling flat-plate collector systems. This model can account for a subcooled liquid entering the collector, heat losses in the vapor and the liquid return line, pressure drops due to friction in the collector and piping, and pressure drops due to the hydrostatic head of the fluid. The model has been used to determine the yearly performance of boiling flat-plate solar collector systems. A simplified approach was also developed which can be used with the f-Chart method to predi

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Kowalski, Gregory J., and Arthur R. Foster. "Heat Exchanger Theory Applied to the Design of Water- and Air-Heating Flat-Plate Solar Collectors." Journal of Solar Energy Engineering 110, no. 2 (1988): 132–38. http://dx.doi.org/10.1115/1.3268243.

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A general method for the design of flat-plate solar collectors based on solar collector theory has been developed. It can be applied to both liquid- and air-heating solar collectors. The solar collector efficiency is determined by the product of the effectiveness (ε) and the insolation use factor (IUF). The effectiveness describes the heat transfer characteristics of the collector and is shown to be a function of a solar number of transfer units (SNTU) and a parameter ψ. For an air-heating collector, the ψ parameter equals the collector efficiency factor, while for a liquid-heating collector i

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Wasik, Michał, Marcin A. Bugaj, Tomasz S. Wiśniewski, Maciej Klein, Patryk Chaja, and Sebastian Bykuć. "Mathematical model of flat plate solar thermal collector and its validation." E3S Web of Conferences 70 (2018): 01019. http://dx.doi.org/10.1051/e3sconf/20187001019.

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In order to predict solar thermal collector’s performance and optimization of control algorithms, proper mathematical models are necessary. Computer calculation technique provides tools for determination of modern materials impact on improvement of heat transfer inside the collector and minimization of heat loss. Such analysis is impossible by using standard technical datasheet provided by producer or by using empirical formulas. In the paper the authors present a mathematical model of a flat plate solar thermal collector based on the Hottel-Whiller-Bliss equation and criterial formula. The it

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Kaneesamkandi, Zakariya, Abdulaziz Almujahid, and Basharat Salim. "Selection of an Appropriate Solar Thermal Technology for Solar Vapor Absorption Cooling—An MADM Approach." Energies 15, no. 5 (2022): 1882. http://dx.doi.org/10.3390/en15051882.

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Different solar thermal collectors have been used recently to meet the thermal requirements of single effect and double effect vapor absorption cooling systems, making selection of the correct method a challenge. Different attributes of each vapor absorption cooling and solar collector combination are taken into account, and a Multi-Attribute Decision-Making model is used to select the best option. The model requires variables indicating the performance of the system, which are called attributes that are organized into a hierarchical structure called a tree of attributes. The dependent attribu

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