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The usage of cfd modeling for analyzing the effect of insolation on the efficiency of solar collectors
https://doi.org/10.15518/isjaee.2020.09.002
Abstract
Solar energy is an alternative to fossil fuel as a source of electrical and thermal energy. The simplest way of solar energy use is the conversion of solar radiation into heat. Arranged according to this principle are the solar collectors that convert solar radiation into heat and transfer it to water or some low-boiling coolant to heat water in a heat exchanger. One of the advantages of flat solar collectors is their cheapness, so they are used for domestic and industrial purposes. They transform solar energy with the help of absorbers which envelope coolant containing tubes of a collector and transfer heat to the coolant. Such collector is easy to design and to maintain. This work presents the results of a thermohydraulic calculation of a flat solar collector using CFD to analyze heat transfer processes between a feather-type absorber and water. The simulation was made with in CFD Solidworks Flow Simulation using standard solar radiation modeling tools. The results of the paper are the pictures of the coolant flows inside the collector, the graphs of the temperature distribution, and the incident heat radiant (solar) flux over time. The results of the calculations were approximated and demonstrated a high level of compliance (within 10-12 %) with the characteristics obtained during field experiments. The latter indicates the reliability of the chosen mathematical model of the solar collector and the calculation method.
About the Authors
D. N. Litvinov
Ural Federal University named after the first President of Russia B. N. Yeltsin
Russian Federation
Russian Federation
Litvinov Danil Nikolaevich - 5th year student at Ural Federal University, Department of Nuclear Power Plants and Renewable Energy Sources
19 Mira St., Yekaterinburg 620002
tel..: +79024494468
V. S. Kostarev
Ural Federal University named after the first President of Russia B. N. Yeltsin
Russian Federation
Russian Federation
Kostarev Vyacheslav Sergeevich - 5th year student at Ural Federal University, Department of Nuclear Power Plants and Renewable Energy Sources
19 Mira St., Yekaterinburg 620002
V. A. Klimova
Ural Federal University named after the first President of Russia B. N. Yeltsin
Russian Federation
Russian Federation
Klimova Viktoria Andreevna - Senior lecturer at Ural Federal University, Department of Nuclear Power Plants and Renewable Energy Sources
19 Mira St., Yekaterinburg 620002
V. I. Velkin
Ural Federal University named after the first President of Russia B. N. Yeltsin
Russian Federation
Russian Federation
Velkin Vladimir Ivanovich - Professor of the Ural Federal University, Department of nuclear power plants and renewable energy sources; associate Professor, doctor of technical Sciences
19 Mira St., Yekaterinburg 620002
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Review
For citations:
Litvinov D.N., Kostarev V.S., Klimova V.A., Velkin V.I. The usage of cfd modeling for analyzing the effect of insolation on the efficiency of solar collectors. Alternative Energy and Ecology (ISJAEE). 2020;(25-27):21-30. (In Russ.) https://doi.org/10.15518/isjaee.2020.09.002
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