| 摘要 |
PURPOSE: A heat exchanger is provided to reduce a wake area generated at a rear end while sucked air passes collars to which tubes are inserted, thereby reducing accumulation of sucked air, reducing air flow resistance, and forming uniform flux distribution of sucked air flowed into fins located at rear columns. CONSTITUTION: Corrugated fins of a heat exchanger include air flow guide parts(18) guiding a flow of air passing from the front of fin collars(16) to the rear of the fin collars, wherein tubes are inserted into the fin collars. The air flow guide part comprises an air inlet part formed at the front of the fin collar, an air outlet part formed at the rear of the fin collar, and a sheet part formed around the fin collar, wherein the air inlet part, the air outlet part, and the sheet parts are continuously formed.
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