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논문 기본 정보

저자정보
(경상국립대학교)
저널정보
한국기계기술학회 한국기계기술학회지 한국기계기술학회지 제27권 제4호
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    초록·키워드

    Currently, the use of renewable energy is more encouraged because of its eco-friendly energy such as no emission gas and less environmental pollution. Hot water is needed in domestic affairs almost everyday. Solar collector are frequently used to obtain the hot water in case of renewable energy using Sun. This study aims to evaluate the characteristics of hot water acquisition using natural convection of solar collector through numerical analysis. As the results, as the temperature of heat source was increased, the turbulent kinetic energy and buoyancy gradient were also increased in case of no inlet flow. Enthalpy was more influenced by temperature than flow work. Furthermore it was necessary to increase the number of solar collector per module or decrease the inlet flow rate in order to acquire the satisfied hot water.

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