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http://dx.doi.org/10.21289/KSIC.2022.25.2.271

Analysis on Characteristics of Thermal Flow for Heating Indoor Space by Air-heating Collector using Solar Heat  

Yang, Young-Joon (Dept. of Automotive Engineering, Gyeongsang National University)
Publication Information
Journal of the Korean Society of Industry Convergence / v.25, no.2_2, 2022 , pp. 271-278 More about this Journal
Abstract
The solar energy has been widely used to reduce the fossil fuel and prevent the environmental pollution. The renewable energy including solar heat tends to spread due to carbon neutrality for main country of the world. Targets of solar collector are usually acquisitions of hot water or hot air. Especially, air-heating collector using solar heat is known as the technology for obtaining hot air. This study aims to investigate of characteristics of thermal flow when the hot air by air-heating collector using solar heat flows inside of indoor space. The thermal flow of heating indoor space was simulated using ANSYS-CFX program and thus the behaviors of hot air in indoor space were evaluated with standard k-𝜀 turbulence model. As the results, as the inlet velocity was increased, the behaviors of hot air became simple, and temperature range of 25~75℃ had almost no effect on behavior of flow. As the inlet temperature was increased, the temperature curve of indoor space from bottom to top was changed from linear to quadratic. Furthermore, it was confirmed that inlet velocity as well as inlet temperature also should be considered to heat indoor space equally by air-heating collector using solar heat.
Keywords
Heating Indoor Space; Thermal Flow; Solar Heat; Air-heating Collector; Hot Air;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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1 N. C. Baek, S. H. Han, W. J. Lee, and U. C. Shin, "An evaluation of the solar thermal performance of the solar/geo thermal hybrid hot water system for a detached house," Korean Journal of Air-Conditioning and Refrigeration Engineering, vol. 27, no. 11, pp. 581-586, (2015).   DOI
2 J. H. Shin, and J. H. Boo, "A numerical study on the thermal performance of a solar air heater depending on the hole configuration and geometry in the absorber," Journal of the Korean Solar Energy Society, vol. 35, no. 1, pp. 69-80, (2015).   DOI
3 S. J. Do, "Study on numerical analysis for performance evaluation of collector using solar heat," Graduate School of Gyeongnam National University of Science and Technology, (2016).
4 W. U. Kim, and Y. K. Kim, "Optimal operation methods of the seasonal solar borehole thermal energy storage system for heating of a greenhouse," Journal of Korea Academia-Industrial Cooperation Society, vol. 20, no. 1, pp. 28-34, (2019).   DOI
5 J. G. Jeon, D. G. Lee, Y. Paek, and H. G. Kim, "Study on heating performance of hybrid heat pump system using geothermal source and solar heat for protected horticulture," Journal of the Korean Solar Energy Society, vol. 35, no. 5, pp. 49-56, (2015).   DOI
6 H. U. Choi, Y. B. Kim, J. I. Yoon, C. H. Son, and K. H. Choi, "Research on the heat transfer and pressure drop by installation conditions of rectangular obstacle in a solar air heater based on CFD," Journal of the Korean Solar Energy Society, vol. 39, no. 1, pp. 77-89, (2019).   DOI
7 H. S. Park, and C. H. Kim, "A numerical study on the performance analysis of a solar air heating system with forced circulation method," Journal of Korea Academia - Industrial Cooperation Society, vol. 18, no. 3, pp. 122-126, (2017).   DOI
8 M. H. Lee, Y. R. Yoon, and H. J. Moon, "Performance evaluation of an indoor temperature forecasting model based on GRU for floor heating system operation," Journal of the Korean Society of Living Environmental System, vol. 27, no. 3, pp. 272-282, (2020).   DOI
9 J. Y. Song, and B. C. Ahn, "Simulation study for control strategies of indoor air temperature in floor radiant heating system," Korean Society of Geothermal Energy Engineers, vol. 12, no. 4, pp. 21-26, (2016).   DOI
10 J. H. Lee, T. K. Chun, and Y. J. Yang, "Study on characteristics comparison of unpowered cooling and heating combined device using solar heat," Journal of Energy Engineering, vol. 27, no. 4, pp. 20-26, (2018).   DOI
11 Y. J. Yang, "Study on Analysis of Buoyancy Effect in Air-heating Collector using Solar Heat," The Korean Society of Industry Convergence and Application, vol. 24, no. 4, pp. 467-474, (2021).