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    초록·키워드

    The present work studied the effect of an inclination angle on the air-side thermal hydraulic performance of a brazed aluminum heat exchanger which is composed of multi-louvered fins and flat tubes with micro-channels. For heat exchangers with a louver angle of 27˚, fin spacing of 1.4 ㎜ and flow depth of 20 ㎜, a series of test for dry and wet surface conditions were conducted for the air side Reynolds numbers of 100-300. The inclination angles from the vertical position were ±30˚, ±45˚ and ±60˚. Heat transfer performance for both dry and wet conditions was not influenced significantly by the inclination angle, while the pressure drop increased consistently with the increase of inclination angle.

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      UCI(KEPA) : I410-ECN-0101-2009-553-015416767