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PERFORMANCE OF MICRO-FIN TUBES WITH R22 AND OIL MIXTURES.

Author(s) : SCHLAGER L. M., PATE M. B., BERGLES A. E.

Type of article: Article

Summary

THE PAPER COMPARES HEAT TRANSFER AND PRESSURE DROP IN SMOOTH, LOW-FIN, AND MICRO-FIN TUBING FOR MIXTURES OF R22 AND OIL. AS EXPECTED, WITH RISING OIL CONCENTRATION, PRESSURE DROP INCREASES, WHEREAS HEAT TRANSFER MAY INCREASE WITH LOW OIL CONCENTRATIONS BUT DECREASE WITH HIGH. A COMBINED FACTOR SHOWS INCREASED PERFORMANCE, IN ALL CASES TESTED, FOR AUGMENTED SURFACE TUBES AS AGAINST SMOOTH TUBES, AND GENERALLY BETTER PERFORMANCE WITH MICRO-FIN COMPARED WITH LOW-FIN. THE COMPLETE REPORT ISAVAILABLE. D.W.H.

Details

  • Original title: PERFORMANCE OF MICRO-FIN TUBES WITH R22 AND OIL MIXTURES.
  • Record ID : 1990-1840
  • Languages: English
  • Source: ASHRAE Journal - vol. 31 - n. 11
  • Publication date: 1989
  • Document available for consultation in the library of the IIR headquarters only.

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