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THE EFFECTS OF DIFFERENT FIN CONFIGURATIONS ON THE PERFORMANCE OF FINNED-TUBE HEAT EXCHANGES UNDER FROSTING CONDITIONS.

Author(s) : KONDEPUDI S. N., O'NEAL D. L.

Summary

THE EFFECTS OF DIFFERENT FIN CONFIGURATIONS ON THE PERFORMANCE OF FINNED-TUBE HEAT EXCHANGERS IN THE PRESENCE OF FROST HAS BEEN EXPERIMENTALLY STUDIED FOR DIFFERENT VALUES OF AIR HUMIDITIES AND FIN DENSITIES. TRENDS FOR FROST ACCUMULATION AND AIR-SIDE PRESSURE DROP ARE CONSISTENT WITH THOSE REPORTED IN THE LITERATURE. HOWEVER THE SENSIBLE HEAT TRANSFER COEFFICIENT WAS APPROXIMATELY CONSTANT FOR THE PERIODS OF THE TEST. THE ENTHALPY DROP AND HEAT EXCHANGER EFFECTIVENESS ALSO HAD SIMILAR TRENDS, CONFIRMING THAT FOR TIME PERIODS OF LESS THAN ONE HOUR, FOR THE GIVEN SET OF TEST CONDITIONS, THERE IS NO SIGNIFICANTPERFORMANCE DEGRADATION DUE TO FROST.

Details

  • Original title: THE EFFECTS OF DIFFERENT FIN CONFIGURATIONS ON THE PERFORMANCE OF FINNED-TUBE HEAT EXCHANGES UNDER FROSTING CONDITIONS.
  • Record ID : 1992-0547
  • Languages: English
  • Publication date: 1990
  • Source: Source: ASHRAE Trans.
    vol. 96; n. 2; 439-444; 13 fig.; 12 ref.
  • Document available for consultation in the library of the IIR headquarters only.

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