FIELD: heat engineering.
SUBSTANCE: invention relates to heat engineering and can be used in heat exchangers of finned-tubular type. Heat transfer fin in accordance with one aspect of the present invention comprises a main body of a fin, having the shape of a plate, and a plurality of through holes configured to pass through the fin main body and spaced apart in a first direction which is a predetermined direction.
EFFECT: higher efficiency of heat transfer.
12 cl, 2 dwg
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