| 摘要 |
PURPOSE: A heat exchanger is provided to improve heat exchange efficiency by forming a radial slit in a pin of the heat exchanger for the turbulence of air passing between the pins. CONSTITUTION: A heat exchanger comprises a tube, a pin (100), and a connection unit. The tube comprises a fluid path. The pin is connected to the tube in order to cross the tube and forms a heat exchange surface. The connection unit connects the tube. The pin comprises a radial slit (120) extending around the interval between three or more tube insertion units (110) which are adjacent to the pins. A length of one or more slits is different from the other one.
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