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Ingeniería Mecánica

versión On-line ISSN 1815-5944

Resumen

BORRAJO-PEREZ, Rubén; GONZALEZ-BAYON, Juan-José  y  REYES-FERNANDEZ-DE-BULNES, Darían. Thermal hydraulic performance of a wavy fin having two row of circular tubes. Ingeniería Mecánica [online]. 2016, vol.19, n.1, pp.1-9. ISSN 1815-5944.

This paper is about the thermal and hydraulic characterization of a compact heat exchanger having two row of tubes and rectangular wavy fins. The dimension of the tubes and the fin are similar to the used in the air conditioning and refrigeration area. A numerical approach was used and the computational domain was implemented using symmetry and periodic condition. Were considered extended inlet and outlet section for accuracy. The numerical procedure ant its model were certified against published literature and a good match was found. The impinging flow on the fin surface was found responsible for the differences between the heat transferred at every side of the fin. The differences disappearing when the average value was calculated.

Palabras clave : wavy fin; compact heat exchanger; numerical model; thermo-hydraulic behavior.

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