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Some effects of air flow maldistribution on performance of a compact evaporator with R134a.

Author(s) : TIMONEY D. J., FOLEY P. J.

Type of article: Article

Summary

An experimental facility was constructed to investigate the effects of air flow non-uniformity on the transfer performance of refrigerant evaporators. This is based on an open-circuit wind tunnel, which is equipped with a single component traversing laser-doppler-anemometer system, capable of determining local mean velocities and turbulence levels. Preliminary results are presented from tests on a single circuit finned-tube evaporator with 33 tubes, 300 mm long, arranged in an in-line matrix 4 rows deep, with 25 mm spacing. The height of the fin block was 225 mm, the fin spacing and tube external diameter were 4 and 9.5 mm, respectively.

Details

  • Original title: Some effects of air flow maldistribution on performance of a compact evaporator with R134a.
  • Record ID : 1995-2863
  • Languages: English
  • Source: Heat Recov. Syst. CHP - vol. 14 - n. 5
  • Publication date: 1994/09

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