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Готові списки джерел за темами / Collector thermal efficiency / Статті в журналах

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Статті в журналах з теми "Collector thermal efficiency"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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1

Ahmad, Fudholi, Fazleena Musthafa Mariyam, Taslim Ivan, Ayu Indrianti Merita, Noviantari Manyoe Intan, and Yusof Othman Mohd. "Efficiency and energy modelling for PVT air collector with extended heat transfer area: a review." International Journal of Power Electronics and Drive System (IJPEDS) 10, no. 4 (2019): 2029–36. https://doi.org/10.11591/ijpeds.v10.i4.pp2029-2036.

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Анотація:

Solar energy is renewable and environment friendly and has been widely used in electricity generation and thermal energy through photovoltaic thermal (PVT) system. This system is beneficial in terms of maximum energy generation and cost of usage. The growing concern on energy sources and their usage has increased the significance and demand for PVT collectors. A PVT air collector consists of a PV panel and a thermal collector system. In PVT air collector, electricity and thermal energy are generated simultaneously. This review focuses on efficiency and energy modelling for PVT air collector wi

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2

Fudholi, Ahmad, Mariyam Fazleena Musthafa, Ivan Taslim, Merita Ayu Indrianti, Intan Noviantari Manyoe, and Mohd Yusof Othman. "Efficiency and energy modelling for PVT air collector with extended heat transfer area: a review." International Journal of Power Electronics and Drive Systems (IJPEDS) 10, no. 4 (2019): 2029. http://dx.doi.org/10.11591/ijpeds.v10.i4.pp2029-2036.

Повний текст джерела

Анотація:

Solar energy is renewable and environment friendly and has been widely used in electricity generation and thermal energy through photovoltaic thermal (PVT) system. This system is beneficial in terms of maximum energy generation and cost of usage. The growing concern on energy sources and their usage has increased the significance and demand for PVT collectors. A PVT air collector consists of a PV panel and a thermal collector system. In PVT air collector, electricity and thermal energy are generated simultaneously. This review focuses on efficiency and energy modelling for PVT air collector wi

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3

Zhang, Yang, Chuanhui Zhu, Zhendong Xu, Xifang Wang, Yuqian Zong, and Jingrong Ye. "Research on the efficiency of phase change thermal storage solar collectors based on MATLAB." Journal of Physics: Conference Series 3018, no. 1 (2025): 012012. https://doi.org/10.1088/1742-6596/3018/1/012012.

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Abstract Thermal storage solar air collectors are to increase the heat storage(HS) function based on solar air collector, which can store part of the heat when the solar radiation is relatively strong, and release the heat at night or Where direct solar radiation is lacking. The article adopts the theoretical analysis method to examine the heat collection mechanism of phase change thermal storage solar collectors(PCSSC). The study utilized MATLAB software to perform numerical simulations and analyses aimed at improving the collector efficiency of air-type PCSSC, with three types of materials s

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4

Ahmad, Fudholi, Zohri Muhammad, Taslim Ivan, Aliyah Fitrotun, and Gani Kot Arthur. "Heat transfer and efficiency of dual channel PVT air collector: a review." International Journal of Power Electronics and Drive System (IJPEDS) 10, no. 4 (2019): 2037–45. https://doi.org/10.11591/ijpeds.v10.i4.pp2037-2045.

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Анотація:

Solar energy is free, renewable and environment friendly and has been widely used in electricity generation and thermal energy through photovoltaic thermal (PVT) system. A PVT collector is a combination of a PV panel and a thermal collector in a single unit to simultaneously generate electricity and thermal energy. In this review, mathematical models for dual channel PVT air collectors is presented. This review presents various research and development, as well as heat transfer and thermal modelling of dual channel PVT air collectors. Moreover, various mathematical models that evaluate the per

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5

Ahmad, Fudholi, Mustapha Muslizainun, Taslim Ivan, Aliyah Fitrotun, Gani Koto Arthur, and Sopian Kamaruzzaman. "Photovoltaic thermal (PVT) air collector with monofacial and bifacial solar cells: a review." International Journal of Power Electronics and Drive System (IJPEDS) 10, no. 4 (2019): 2021–28. https://doi.org/10.11591/ijpeds.v10.i4.pp2021-2028.

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Анотація:

Photovoltaic thermal (PVT) collectors directly convert solar radiation into electrical and thermal energy. A PVT collector combines the functions of a PV panel and a flat plate solar collector. The development of PVT air collectors is a very promising research area. At present, PVT air collectors are used in solar drying and solar air heaters. On the basis of existing literature, most PVT air collectors were built by using monofacial PV modules. The bifacial PV modules had two active surfaces that could capture solar radiation with its front and rear surfaces. Additional sunlight absorption th

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6

Razali, Nur Farhana Mohd, Ahmad Fudholi, Mohd Hafidz Ruslan, and Kamaruzzaman Sopian. "Electrical characteristic of photovoltaic thermal collector with water-multiwalled carbon nanotube nanofluid flow." Indonesian Journal of Electrical Engineering and Computer Science 13, no. 1 (2019): 324–30. https://doi.org/10.11591/ijeecs.v13.i1.pp324-330.

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Анотація:

Photovoltaic thermal (PVT) studies show promising results from utilizing waste heat under the PV module. Heat removal is essentially the base of a PVT collector. The heat absorption from the back of the PV module used for different purposes. Solar energy being collected are mostly turned into heat and needs to be extracted to maintain PV’s efficiency. The PVT collector works similar to a flat plate solar collector, except that the short wavelengths are converted into electricity and the remaining wavelengths into useful heat. The heat collected is also at a lower magnitude than collected

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7

Yazdi, Mohammad H., Evgeny Solomin, Ahmad Fudholi, Ghasem Divandari, Kamaruzzaman Sopian, and Perk Lin Chong. "Thermal Performance of Nanofluid Flow Inside Evacuated Tube Solar Collector." International Journal of Heat and Technology 39, no. 4 (2021): 1262–70. http://dx.doi.org/10.18280/ijht.390424.

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Анотація:

Solar collectors are systems for absorbing the sun's radiant energy and converting it into heat. The working principle of solar collectors are relying on the solar radiation incident upon the transparent surface, and the collected radiation heat is stored within the operating fluid. However, the conventional operating fluid is less than satisfactory in term of promoting the thermal efficiency of solar collector. Consequently, the aim of this paper is to investigate the use of nanofluid as an operating fluid in a single end evacuated solar collector. The expectation is that the flow behavior of

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8

Kim, Jin-Hee, and Jun-Tae Kim. "Comparison of Electrical and Thermal Performances of Glazed and Unglazed PVT Collectors." International Journal of Photoenergy 2012 (2012): 1–7. http://dx.doi.org/10.1155/2012/957847.

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Анотація:

Photovoltaic-thermal (PVT) collectors combine photovoltaic modules and solar thermal collectors, forming a single device that receives solar radiation and produces electricity and heat simultaneously. PVT collectors can produce more energy per unit surface area than side-by-side PV modules and solar thermal collectors. There are two types of liquid-type flat-plate PVT collectors, depending on the existence of glass cover over PV module: glass-covered (glazed) PVT collectors, which produce relatively more thermal energy but have lower electrical yield, and uncovered (unglazed) PVT collectors, w

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9

Kim, Hyemin, Myeongjae Shin, and Honghyun Cho. "Thermal and exergy performance enhancement of dish-type solar collector using Fresnel lens." High Temperatures-High Pressures 54, no. 1 (2025): 51–62. https://doi.org/10.32908/hthp.v54.1865.

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In this study, the performance of a hybrid solar collector, which combines a dish-type solar collector and a Fresnel lens, was experimentally studied to develop a high-concentration solar collector with high solar energy collection efficiency. The small hybrid dish-type solar collector with a 1 m diameter dish reflector was used for the investigation, and a mixture of water and ethylene glycol (70/30) served as the working fluid. As a result of the experiment, applying the Fresnel lens improves the efficiency of useful heat and solar energy collection by increasing the working fluid outlet tem

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10

Mohd Rosli, Mohd Afzanizam, Sohif Mat, Kamaruzzaman Sopian, Mohd Yusof Sulaiman, Elias Ilias Salleh, and Mohd Khairul Anuar Sharif. "Thermal Performance on Unglazed Photovoltaic Thermal Polymer Collector." Advanced Materials Research 911 (March 2014): 238–42. http://dx.doi.org/10.4028/www.scientific.net/amr.911.238.

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In this study, the thermal efficiency of a polymer collector with unglazed photovoltaic thermal (PVT) system was determined. Overall heat loss was estimated using the heat energy balance method. Based on the analysis, the heat removal factor of the PVT system was found to be 0.55. The thermal performance of the system was 47% during the zero reduce temperature. The unglazed PVT polymer collector could replace the conventional PVT collector, which encountered problems such as high cost, weighting issues, and corrosion.

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11

Duan, Rui. "The Efficiency of New Solar Flat-Plate Collector." Advanced Materials Research 347-353 (October 2011): 1337–41. http://dx.doi.org/10.4028/www.scientific.net/amr.347-353.1337.

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Aerogel is a highly porous material. It has the best thermal insulation properties in all solid-state materials. This paper carried out a preliminary study to see the influence on efficiency of flat-plate collector used aerogel. Keeping the other parts of flat-plate collector unchange, the aerogel layer is placed between the transparent cover and absorber plate. Through specific calculation, analysed thermal efficiency of this model of flat-plate collector, and compared with the ordinary glass model. The results show that aerogel can greatly improve collector efficiency , as table 1 show the e

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12

Valizadeh, M., F. Sarhaddi, and F. Sobhnamayan. "Numerical Modelling of a Concentrating Photovoltaic Thermal Collector." International Journal of Automotive and Mechanical Engineering 16, no. 2 (2019): 6482–501. http://dx.doi.org/10.15282/ijame.16.2.2019.3.0490.

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In this paper, the performance evaluation of a concentrating photovoltaic thermal (CPVT) collector is carried out. By writing energy, balance for the various components of CPVT collector, a set of nonlinear equations is obtained to calculate the temperature of different parts of the system. The electrical parameters of the CPVT collector are calculated by the four-parameter model of current-voltage. The simulation results of the present study are in good accordance with the previous studies data. The results show that with the fluid velocity increase from 0.08 to 0.43 m/s, the electrical effic

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13

Farhana Mohd Razali, Nur, Ahmad Fudholi, Mohd Hafidz Ruslan, and Kamaruzzaman Sopian. "Electrical characteristic of photovoltaic thermal collector with water-multiwalled carbon nanotube nanofluid flow." Indonesian Journal of Electrical Engineering and Computer Science 13, no. 1 (2019): 324. http://dx.doi.org/10.11591/ijeecs.v13.i1.pp324-330.

Повний текст джерела

Анотація:

Photovoltaic thermal (PVT) studies show promising results from utilizing waste heat under the PV module. Heat removal is essentially the base of a PVT collector. The heat absorption from the back of the PV module used for different purposes. Solar energy being collected are mostly turned into heat and needs to be extracted to maintain PV’s efficiency. The PVT collector works similar to a flat plate solar collector, except that the short wavelengths are converted into electricity and the remaining wavelengths into useful heat. The heat collected is also at a lower magnitude than collected by so

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14

Al Imam, Md Forhad Ibne, Rafiqul Alam Beg, and Shamimur Rahman. "Thermal Performance Improvement Study of a Solar Collector with Compound Parabolic Concentrator." European Journal of Engineering Research and Science 3, no. 11 (2018): 78–82. http://dx.doi.org/10.24018/ejers.2018.3.11.970.

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Анотація:

Heating water with solar energy is easy and effective in both domestic and industrial areas. The initial implementation cost of a solar-water-heating system is high but long term use of it makes it cost effective. For geographical location, Bangladesh is very suitable for using it. In a solar collector system, collector area is an important design factor. To achieve better thermal performance, 0.81m2 solar collector was used in this study. Commonly used flat plate collector takes more space to be installed. In Bangladesh, space on the roofs of houses and industries are limited and so there is

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15

Al Imam, Md Forhad Ibne, Rafiqul Alam Beg, and Shamimur Rahman. "Thermal Performance Improvement Study of a Solar Collector with Compound Parabolic Concentrator." European Journal of Engineering and Technology Research 3, no. 11 (2018): 78–82. http://dx.doi.org/10.24018/ejeng.2018.3.11.970.

Повний текст джерела

Анотація:

Heating water with solar energy is easy and effective in both domestic and industrial areas. The initial implementation cost of a solar-water-heating system is high but long term use of it makes it cost effective. For geographical location, Bangladesh is very suitable for using it. In a solar collector system, collector area is an important design factor. To achieve better thermal performance, 0.81m2 solar collector was used in this study. Commonly used flat plate collector takes more space to be installed. In Bangladesh, space on the roofs of houses and industries are limited and so there is

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16

Tsai, Huan Liang, Chieh Yen Hsu, and Yung Chou Chen. "Efficiency Enhancement of Novel Photovoltaic-Thermal (PVT) Air Collector." Applied Mechanics and Materials 494-495 (February 2014): 1845–48. http://dx.doi.org/10.4028/www.scientific.net/amm.494-495.1845.

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This paper presents the efficiency enhancement for a novel photovoltaic/thermal (PVT) air collector in which PV and thermal efficiency is simultaneously enhanced with a reciprocal aid. With the encapsulation of solar cells directly on a fin-type heat sink, the direct conduction mechanism and the convective area for the thermal transportation are effectively increased. Through a two-month experiment measurement, it is found that the thermal efficiency of PVT module is obviously enhanced up to over 50% in sunny days. In addition, the waste heat recovery decreases the operating temperature of sol

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17

Kim, Sang-Myung, Jin-Hee Kim, and Jun-Tae Kim. "Experimental Study on the Thermal and Electrical Characteristics of an Air-Based Photovoltaic Thermal Collector." Energies 12, no. 14 (2019): 2661. http://dx.doi.org/10.3390/en12142661.

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Анотація:

A photovoltaic thermal (PVT) system is a technology that combines photovoltaics (PV) and a solar thermal collector to produce thermal energy and generate electricity. PVT systems have the advantage that the energy output per unit area is higher than the single use of a PV module or solar thermal collector, since both heat and electricity can be produced and used simultaneously. Air-based PVT collectors use air as the heat transfer medium and flow patterns are important factors that affect the performance of the PVT collector. In this study, the thermal and electrical performance and characteri

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18

Mohd. Amirul Hilmi Mohd Hanoin, Nor Amirah Safiah Muhamad, Nadzirah Mohd Mokhtar, Amir Abdul Razak, and Muhamad Sukri Hadi. "Effect Of Design Parameters of Serpentine-Shaped Flat Plate Solar Collector Under Malaysia Climate Conditions." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 88, no. 1 (2021): 71–80. http://dx.doi.org/10.37934/arfmts.88.1.7180.

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Анотація:

Solar thermal energy plays a vital role in the industrial sector, especially for water heating applications. Further research to improve the efficiency of flat plate solar collectors by focusing on collector design modification is imperative. This research aimed to carry out an experimental investigation on comparative designs and fabrication approaches that deal with the analysis of flat plate solar collector thermal performance, thermal efficiency, the effect of various mass flow rates, and pressure drop analyses. In this paper, a different design modification of pipe collector with serpenti

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19

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): 109–17. https://doi.org/10.11591/ijece.v9i1.pp109-117.

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Анотація:

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%, respectively. In addition, fl

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20

Ariyawiriyanan, Warunee, Tawatchai Meekaew, Manop Yamphang, et al. "Thermal Efficiency of Solar Collector Made from Thermoplastics." Energy Procedia 34 (2013): 500–505. http://dx.doi.org/10.1016/j.egypro.2013.06.778.

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21

Cabral, D., J. Gomes, A. Hayati, and B. Karlsson. "Experimental investigation of a CPVT collector coupled with a wedge PVT receiver." Solar Energy 215 (January 18, 2021): 335–45. https://doi.org/10.1016/j.solener.2020.12.038.

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Анотація:

This paper presents an experimental investigation of a photovoltaic-thermal solar collector (commonly known as PVT) that generates both electricity and heat from the same gross area. PVT solar collectors, in theory, achieve higher combined electrical and heat yields. Additionally, PVT enables a thermal coupling between PV cells and a heat transfer cooling medium. Electrical and thermal outdoor testing measurements have been performed on a low concentration PVT solar collector based on a parabolic reflector geometry with a wedge PVT receiver. Several outdoor experiments have been carried out an

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22

Fakhim, H. A. "An Investigation of the Effect of Different Nanofluids in a Solar Collector." Engineering, Technology & Applied Science Research 7, no. 4 (2017): 1741–45. https://doi.org/10.5281/zenodo.844267.

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Анотація:

In this article, we examine the use of different nanofluids in a solar collector in a parabolic form. Temperature, thermal efficiency and outlet average temperature for a conventional parabolic collector and a collector with nanofluid are compared. The effect of various parameters (concentration ratio, volume fraction of nanoparticles, absorption and fluid velocity) are studied. Results are discussed and it is shown that nano fluid increases the efficiency of the collector.

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23

Yu, Ji-Suk, Jin-Hee Kim, and Jun-Tae Kim. "A Study on the Thermal Performance of Air-Type BIPVT Collectors Applied to Demonstration Building." Energies 12, no. 16 (2019): 3120. http://dx.doi.org/10.3390/en12163120.

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Анотація:

Research on existing air-type PVT (photovoltaic/thermal) collectors has mainly focused on improving the efficiency of the collector itself and on using the energy produced by the collector in heating and cooling facilities and building energy. The first consideration in an air-type PVT system applied to a building facade is the collector arrangement and the flow path considering the collector performance. It is necessary to design the flow inside the air-type BIPVT (building integrated photovoltaic/thermal) collector so that it runs smoothly so as not to cause a dead space and a pressure drop

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24

Fudholi, Ahmad, Nur Farhana Mohd Razali, Abrar Ridwan, et al. "Overview of Photovoltaic Thermal (PVT) Water Collector." International Journal of Power Electronics and Drive Systems (IJPEDS) 9, no. 4 (2018): 1891. http://dx.doi.org/10.11591/ijpeds.v9.i4.pp1891-1898.

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Анотація:

The popular solar technology is the integration of solar thermal technology and photovoltaic (PV), called photovoltaic thermal (PVT) technology. This technology converts solar energy to electrical and thermal energy. The efficiency of solar energy conversion via PVT is higher than photovoltaic and solar systems. PV cell efficiency decreases if system operating temperature is higher. Therefore, solar systems attached to PV cells act to cool PV cells and increase the overall efficiency of the PVT system. PVT construction that saves space, is suitable for domestic consumption, and long-term savin

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25

Shapoval, Stepan, Yurii Pryshliak, and Olena Savchenko. "Study of thermal characteristics of a hybrid solar collector using computer modeling." Ventilation, Illumination and Heat Gas Supply 50 (March 7, 2025): 44–54. https://doi.org/10.32347/2409-2606.2024.50.44-54.

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Анотація:

In the current context of worsening environmental conditions and depletion of natural resources, there is an urgent need for the development and implementation of technologies that utilize renewable energy sources. Traditional sources pollute the environment and contribute to climate change, which makes the issue of eco-friendly technologies increasingly relevant. Therefore, one of the promising solutions to these challenges is the use of solar collectors, which convert solar radiation into electrical and thermal energy. Hybrid solar collectors, which combine both of these functions, can signi

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26

Rustamov, Nassim, and Adylkhan Kibishov. "Vacuum fractal solar collector." BIO Web of Conferences 84 (2024): 05024. http://dx.doi.org/10.1051/bioconf/20248405024.

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The paper presents the results of studies to determine the thermal efficiency of a vacuum fractal solar collector (VFSC). It is noted that the number of fractally arranged toroidal polymer absorbers on a parabolic concentrator affects the efficiency of the VFSC. It is shown that fractal placement of absorbers on the evacuated space of a parabolic concentrator on the principle of the Fibonacci number increases the efficiency of the VFSC.

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27

Rosli, M. A. M., Suhaimi Misha, Kamaruzzaman Sopian, Sohif Mat, Mohd Yusof Sulaiman, and Elias Salleh. "Thermal Efficiency of the Photovoltaic Thermal System with Serpentine Tube Collector." Applied Mechanics and Materials 699 (November 2014): 455–61. http://dx.doi.org/10.4028/www.scientific.net/amm.699.455.

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Анотація:

Photovoltaic thermal (PVT) system is one of the renewable energy resources that produce electric and thermal energy simultaneously. One of the key parameters to ensure good performance of the PVT is the design of the collector absorber. In this study, a thermal model of the PVT was developed to predict the thermal efficiency of the system. Simulations were conducted on four configurations of the serpentine tube. Results showed that the best design could achieve 50% thermal efficiency at zero reduced temperature. Our findings indicate that the shape, gap, and diameter of the tubes of the absorb

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28

Mysak, S., and S. Shapoval. "INNOVATIVE HYBRID SOLAR COLLECTOR FOR SUSTAINABLE HEAT AND POWER SUPPLY." Deutsche internationale Zeitschrift für zeitgenössische Wissenschaft 102 (April 22, 2025): 104–10. https://doi.org/10.5281/zenodo.15262077.

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Анотація:

The article examines the efficiency of using a hybrid thermal photovoltaic solar collector (HTPSC) in heat supply systems. The main objective of the study is to analyze the parameters that affect the thermal and electrical efficiency of the collector to maximize its performance.

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29

Chow, T. T., J. Ji, and W. He. "Photovoltaic-Thermal Collector System for Domestic Application." Journal of Solar Energy Engineering 129, no. 2 (2006): 205–9. http://dx.doi.org/10.1115/1.2711474.

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Анотація:

Photovoltaic-thermal (PV/T) systems integrate photovoltaic and solar thermal technologies into one single system with dual production of electricity and heat energy. A typical arrangement is the direct attachment of PV modules onto a solar thermal collector surface. For a given collector surface area, the overall system energy performance is expected higher than the conventional “side-by-side” PV and solar thermal systems. In the development of PV/T collector technology using water as the coolant, the most common design follows the sheet-and-tube thermal absorber concept. Fin performance of th

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30

Adnan, Maryam, Adnan M. Hussein, and Afrah T. Awad. "Solar Collectors with Nanofluid for Domestic Applications: A Review." NTU Journal of Renewable Energy 7, no. 1 (2024): 57–64. http://dx.doi.org/10.56286/dskpxb94.

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Анотація:

Energy management and the usage of renewable energy sources are essential for a sustainable future. This paper carried out a review and summarize the recent topic of solar collectors heating water for use in a domestic application. Several researchers have studied solar collectors with flat plates, evacuated, and concentrators to improve heat gain for heating water. Entropy is an important function that the attention of investigators to reduce and increase the thermal efficiency of solar collectors. Nanofluid has been selected as have found a new class of thermal efficiency enhancement for thi

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31

Kim, Jin-Hee, Ji-Suk Yu, Erin Gaucher-Loksts, Benjamin Roy, Véronique Delisle, and Jun-Tae Kim. "Performance Assessment of an Air-Type BIPVT Collector with Perforated Baffles through Indoor and Outdoor Experiments." Energies 15, no. 10 (2022): 3779. http://dx.doi.org/10.3390/en15103779.

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Анотація:

The performance of air-type PVT and BIPVT collectors has been extensively studied. As a system that generates heat and power, PVT collector testing has some particularities especially when using air as a heat recovery fluid and a building-integrated design (BIPVT). The electrical and thermal experimental performance of such collectors are currently being evaluated using in-house methods or PV and/or solar thermal collector standards. The use of a wide range of methods, testing conditions and experimental setups makes it difficult not only to compare the performance of different designs, but al

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32

Ji, Xu, Ming Li, Weidong Lin, Tufeng Zheng, and Yunfeng Wang. "Effect of Installation of Solar Collector on Performance of Balcony Split Type Solar Water Heaters." International Journal of Photoenergy 2015 (2015): 1–9. http://dx.doi.org/10.1155/2015/865041.

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The influences of surface orientation and slope of solar collectors on solar radiation collection of balcony split type solar water heaters for six cities in China were analyzed by employing software TRNSYS. The surface azimuth had greater effect on solar radiation collection in high latitude regions. For deviation of the surface slope angle within ±20° around the optimized angle, the variation of the total annual collecting solar radiation was less than 5%. However, with deviation of 70° to 90°, the variation was up to 20%. The effects of water cycle mode, reverse slope placement of solar col

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33

Bahtiar, Zohri Muhammad, and Fudholi Ahmad. "Experimental investigation of photovoltaic thermal solar air collector with exergy performance comparison." Indonesian Journal of Electrical Engineering and Computer Science (IJEECS) 19, no. 2 (2020): 652–58. https://doi.org/10.11591/ijeecs.v19.i2.pp652-658.

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The integration of photovoltaic technology and solar air collector is named a photovoltaic thermal (PVT) system. PVT system generates electricity as pumping power to fan DC and produces thermal energy together with to cooling PV panel. The experimental with the indoor and outdoor evaluation of PVT solar air collector have been compared at the chosen solar intensity of 820 W/m2. The mass flow rate is range from 0.01 kg/s to 0.05 kg/s. The exergy and efficiency exergy accuracy of PVT solar air collector between indoor and outdoor evaluation are 98.42%, 98.11% respectively. The exergy and exergy

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34

Syam Sundar, L., Solomon Mesfin, Yihun Tefera Sintie, V. Punnaiah, Ali J. Chamkha, and Antonio C. M. Sousa. "A Review on the Use of Hybrid Nanofluid in a Solar Flat Plate and Parabolic Trough Collectors and Its Enhanced Collector Thermal Efficiency." Journal of Nanofluids 10, no. 2 (2021): 147–71. http://dx.doi.org/10.1166/jon.2021.1783.

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Анотація:

Energy demand is high in all parts of the world, mostly in all industrial sectors. To meet the energy demand the fossil fuel is the only way. Due to rapid industrial growth and use of fossil fuel result in global warming and environmental pollution. Moreover, the limited availability of the fossil fuels, it is necessary to depend on the renewable energy sources. Promising renewable energy in the world is solar energy, which is available largely on the earth surface. The solar energy can be converted into thermal energy in the solar flat plate collector. The collector thermal efficiency is pure

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35

Fudholi, Ahmad, Muhammad Zohri, Ivan Taslim, Fitrotun Aliyah, and Arthur Gani Koto. "Heat transfer and efficiency of dual channel PVT air collector: a review." International Journal of Power Electronics and Drive Systems (IJPEDS) 10, no. 4 (2019): 2037. http://dx.doi.org/10.11591/ijpeds.v10.i4.pp2037-2045.

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Solar energy is free, renewable and environment friendly and has been widely used in electricity generation and thermal energy through photovoltaic thermal (PVT) system. A PVT collector is a combination of a PV panel and a thermal collector in a single unit to simultaneously generate electricity and thermal energy. In this review, mathematical models for dual channel PVT air collectors is presented. This review presents various research and development, as well as heat transfer and thermal modelling of dual channel PVT air collectors. Moreover, various mathematical models that evaluate the per

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36

Fudholi, Ahmad, Mariyam Fazleena Musthafa, Abrar Ridwan, et al. "Review of solar photovoltaic/thermal (PV/T) air collector." International Journal of Electrical and Computer Engineering (IJECE) 9, no. 1 (2019): 126–33. https://doi.org/10.11591/ijece.v9i1.pp126-133.

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Анотація:

Growing concern with regard to energy sources and their usage has consequently increased significance of photovoltaic thermal (PV/T) collectors. A PV/T air collector is a system which has a conventional PV system combined with a thermal collector system. The system is able to produce electrical energy directly converted from sunlight by using photoelectric effect. Meanwhile, it also extracts heat from the PV and warms the fluid (air flow) inside the collector. In this review, solar PV system and solar thermal collectors are presented. In addition, studies conducted on solar PV/T air collectors

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37

Zohri, Muhammad, Nurato Nurato, and Ahmad Fudholi. "Photovoltaic Thermal (PVT) System with and Without Fins Collector: Theoretical Approach." International Journal of Power Electronics and Drive Systems (IJPEDS) 8, no. 4 (2017): 1756. http://dx.doi.org/10.11591/ijpeds.v8.i4.pp1756-1763.

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Анотація:

<span lang="EN-GB">The fins collector design for solar thermal has widely been used and it has a higher thermal efficiency than without Fins. Photovoltaic thermal (PV/T) system produced Electrical and thermal energy instantaneously. Mathematical modeling based on steady-state thermal analysis of PV/T system with and without fins was conducted with matrix inversion method. The value results show that the PV/T system with fins collector is higher thermal and electrical efficiency than without fins.</span>

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38

Zhu, Chuanhui, Xiaodong Dong, Shubin Yan, Yang Cui, and Quanquan Luo. "Air-Type Vacuum-Tube Solar Collector Design and Heat Collection Performance Test." Energies 15, no. 15 (2022): 5679. http://dx.doi.org/10.3390/en15155679.

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With the continuous development and utilization of clean energy, the thermal utilization of solar energy is an important research direction. In view of the problems of the low utilization rate of solar heat in alpine regions of solar energy, an air-type vacuum-tube solar collector (AVSC) with air as the heat-exchange medium was designed. The vacuum tube of the solar heat collector adopted a double-pass spiral direct-current structure, and the vacuum tube had a built-in heat-storage rod. In order to test the heat collection performance of the designed air evacuated-tube solar collector, a heat

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39

Boubekri, Mahmoud, Abla Chaker, and Ali Cheknane. "Numerical approach for performance study of hybrid PV/Thermal collector." Journal of Renewable Energies 12, no. 3 (2023): 355–68. http://dx.doi.org/10.54966/jreen.v12i3.145.

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According to their thermophysical properties, the solar collectors using the working fluid (air, water) show considerably poor efficiency. In this paper, we study the combination of the collector with a photovoltaic module as an efficient method for improving the system performance, particularly the electrical and thermal performance. The mathematical model presented here is based on the energy transfer phenomenon within the various components of the collector. Thus, the transfer equations discretization is carried out using the finite difference method. Our results clearly show the direct imp

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40

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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41

Yasir Al-Abayechi, Yaser Alaiwi, and Zainab Al-Khafaji. "Exploration Of Key Approaches to Enhance Evacuated Tube Solar Collector Efficiency." Journal of Advanced Research in Numerical Heat Transfer 19, no. 1 (2024): 1–14. http://dx.doi.org/10.37934/arnht.19.1.114.

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This research is carried out to investigate and examine the critical benefits and significant contributions of integrating nanoparticles into the ETSC system to enhance the thermal efficiency, thermal performance, temperature out, and energy storage of the ETSC. The Simcenter STAR-CCM+ 2022.1 software package implemented numerical analysis and thermal simulations. Further, a comparative analysis is conducted on two case studies to validate the critical role and contributions of employing the aluminum oxide nanomaterial in the solar collector system to enhance its thermal efficiency and improve

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42

Haddada, Jalaluddin, Rustan Tarakka, Muhammad Syahid, and IR Muhammad Anis. "Performance study of storage thickness of the flat-plate solar collector." Journal of Physics: Conference Series 2972, no. 1 (2025): 012009. https://doi.org/10.1088/1742-6596/2972/1/012009.

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Abstract A solar water heater (SWH) system is the most frequently used devices for utilization of solar energy. Thermal energy storage devices are required to improve the performance of the solar water heating system. This study investigates the influence of storage thickness on the performance of a collector that incorporates phase change material (PCM) into an absorber plate collector at the bottom for thermal storage. The approach utilized in this work is an experimental method, which involves conducting trials to determine the influence of storage thickness on the efficiency of solar water

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43

Medina Carril, Diego Manuel, José Gonzalo Carrillo Baeza, Ruben Dominguez Maldonado, and Francis Aviles Cetina. "Finite element analysis of a solar collector plate using two plate geometries." Ingeniería e Investigación 36, no. 3 (2016): 95. http://dx.doi.org/10.15446/ing.investig.v36n3.56071.

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The thermal behavior of an absorber plate in a solar collector is investigated using finite element analysis. The thermal behavior and efficiency of two absorber plate geometries are studied, using a typical solar collector with a rectangular profile as reference, and a proposed absorber plate with curved geometry. An analysis of the most important parameters involved in the design of the absorber plate was carried out, indicating that the curved geometry of the absorber plate yields an average efficiency ~25% higher than the conventional rectangular geometry. The results suggest that a curved

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44

Linn, Zar Chi, War War Min Swe, Aung Kyaw Soe, and Aung Ko Latt. "Experimental and numerical analysis on the thermal performance of the aluminium absorber." Tribology and Materials 2, no. 4 (2023): 162–71. http://dx.doi.org/10.46793/tribomat.2023.020.

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The absorber is a vital part of a solar air collector and has a significant impact on the overall efficiency of a solar air heating unit. The objective of this research is to examine and compare the performance of two distinct aluminium absorbers with and without aluminium fins by using experimental and numerical (computational fluid dynamics – CFD) methods. The studies were conducted in Mandalay, Myanmar, which is located at latitude 21.98° N and longitude 96.1° E, during December 2022. A plate absorber solar air collector (PASAC) and finned absorber solar air collector (FASAC) with the same

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45

Petrukhin, V. A., N. M. Veselova, I. O. Plotnitsky, O. V. Kalashnikova, and P. S. Chernousov. "Thermal performance and efficiency of extruded absorber solar collector." IOP Conference Series: Earth and Environmental Science 659, no. 1 (2021): 012030. http://dx.doi.org/10.1088/1755-1315/659/1/012030.

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46

Ahmadi, Mohammad Hossein, Alireza Baghban, Milad Sadeghzadeh, et al. "Evaluation of electrical efficiency of photovoltaic thermal solar collector." Engineering Applications of Computational Fluid Mechanics 14, no. 1 (2020): 545–65. http://dx.doi.org/10.1080/19942060.2020.1734094.

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47

Vitaliy, Boyarchuk, Korobka Sergiy, Babych Mykhailo, and Krygul Roman. "RESULTS OF RESEARCH INTO EFFICIENCY OF A FLAT SOLAR AIR HELIOCOLLECTOR WITH A WAVY ABSORBING SURFACE." Eastern-European Journal of Enterprise Technologies 1, no. 8 (97) (2019): 24–36. https://doi.org/10.15587/1729-4061.2019.154550.

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A new design of the air collector with the airtight and warmed casing and the absorber with the wavy surface that can be used as an additional heating element of the low-temperature heat source was developed. We established a series of generalizing dependences for finding thermal effectiveness of the collector, specifically, the influence of the components of thermal balance of the collector on the drop of temperatures in the heat carrier flow in the collector and the insolation level on heating efficiency. We obtained analytical dependences for determining the components of thermal balance of

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48

Wang, Ya Hui, Zhi Min Wang, Rui Tian, and Li Song. "Design of Solar Thermal Collector Performance Evaluation System." Advanced Materials Research 512-515 (May 2012): 35–38. http://dx.doi.org/10.4028/www.scientific.net/amr.512-515.35.

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Анотація:

The solar thermal collector performance evaluation system is designed for the actual needs of tests for industrial production and scientific research, which is adequate for stable efficiency, time constant, incident angle modifier and pressure drop measurement on either end of the thermal collector.

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49

Mysak, Stepan, Stepan Shapoval, and Anna Hyvliud. "Development of a combined system with a hybrid solar collector and determination of its thermal characteristics." Energy-saving technologies and equipment 3, no. 8 (129) (2024): 45–54. http://dx.doi.org/10.15587/1729-4061.2024.304932.

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The object of the study: a system with a photovoltaic thermal hybrid solar collector. The main problem addressed is to enhance the conversion and utilization efficiency of solar energy by developing a new design of photovoltaic thermal hybrid solar collector. A computer model of the proposed design of a photovoltaic thermal hybrid solar collector (PVT) was developed, and its thermotechnical characteristics were investigated. Patterns of temperature changes in the heat transfer fluid in PVT and thermal accumulator over time of irradiation were determined. It is shown that the instantaneous ther

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Lotake, Swapnil N., and M. M. Wagh. "Performance Evaluation of Multiple Helical Tubes as a Receiver for Solar Parabolic Trough Collector." Asia Pacific Journal of Energy and Environment 6, no. 2 (2019): 115–22. http://dx.doi.org/10.18034/apjee.v6i2.272.

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Solar parabolic trough collector consists of a parabolic reflector with a central receiver at a focal point through which heat transfer fluid is passed. Parabolic trough collector is used mostly in solar thermal power plants for generating electricity. This paper describes the experimental results of two straight tubes wrapped over each other to form a helically shaped receiver. The receiver was tested with aluminium material with and without black paint over it. Also, the helical tube receiver was tested with a glass cover over it, at two different mass flow rates and, with and without manual

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