태양열 온풍기내부의 집열면 조건이 덕트 출구 공기의 온도에 미치는 영향 Effects of Conditions of Absorber Plate in the Solar Air Heater on Air Temperatures at Outlet of Duct
한국기계기술학회지
(韓國機械技術學會誌)
제17권 제3호
(2015.06)
pp.485-490
pp.485-490
한국기계기술학회
(Korean Society of Mechanical Technology)
초록
This paper analyzed air temperatures at outlet according to condition of absorber plate of the solar air heater. Effects on air temperature at outlet of duct according to absorber plate temperature were analyzed by using numerical analysis technique. And also the effects on air temperatures at outlet were analysed by the height and position of absorber plate. As the results, air temperatures at outlet of duct was small influenced in velocity 5 m/s of inlet according to absorber plate temperature. And the highest outlet average temperature distribution appeared at the height of 2 cm and the bottom absorber plate of duct at the inlet aspect ratio 2.
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