Importance

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Abstract

Provided is a heat exchange promotion member and a heat exchanger that can improve heat transfer performance while holding down an increase in pressure drag of a fluid that exchanges heat with the heat exchange promotion member. A heat dissipation fin 14 of the present invention is a heat exchange promotion member that exchanges heat with a flowing fluid. The heat dissipation fin 14 includes a planar part 12 which is a surface substantially parallel to the fluid flowing direction and a raised part 13 that protrudes from the planar part 12 toward the fluid. The raised part 13 has a portion slanted relative to the direction in which the fluid flows, and there are a plurality of the raised parts 13 formed spaced apart from one another in the fluid flowing direction.

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First Claim