Abstract
Most greenhouses in Korea are made according to European weather conditions, which leads to very low solar energy efficiency under the domestic weather conditions. Thus, greenhouses in Korea should be adapted to the regional weather conditions to improve their energy efficiency. This paper investigates the current greenhouses in Korea. It also analyzes the problems arising from the greenhouses and offers alternatives for improving their energy efficiency based on measurements and a theoretical analysis. The elements of greenhouses were also investigated. When using a partially non-transparent insulation with heat storage mass between the indoor and outdoor air, the temperature difference became greater than 20°C during the daytime and greater than 5°C during the night, which will reduce the cost of fossil fuels.
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Recommended by Associate Editor Ji Hwan Jeong
Sung Lee received his B.E degree from Yonsei University, M.E. and Ph.D in Architectural Engineering from Hanover University. Prof. Lee is currently a Professor of the Department of Building Systems Engineering of Dong-Eui University, Korea. His research fields are passive solar house, building solar and daylight analysis and renewable energy simulation.
Kyung-Soon Park received his B.E and M.E. degree from Dong-Eui University, Ph.D in Systems Engineering from Mie University. Prof. Park is currently an Assistant Professor of the Department of Building Systems Engineering of Dong-Eui University, Korea. His research fields are numerical analysis, energy simulation and deduction of energy saving system and green building system.
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Lee, S., Kim, SH., Woo, BK. et al. A study on the energy efficiency improvement of greenhouses — with a focus on the theoretical and experimental analyses. J Mech Sci Technol 26, 3331–3338 (2012). https://doi.org/10.1007/s12206-012-0802-z
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DOI: https://doi.org/10.1007/s12206-012-0802-z