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FUNCTIONAL CORRELATION OF SURFACE TEMPERATURE AND FLOW VELOCITY ON FOULING OF COOLING TOWER WATER.

Author(s) : XU D. Q., KNUDSEN J. G.

Type of article: Article

Summary

THERMAL HYDRAULIC CONDITIONS IN THE TEST SECTION REMAIN REASONABLY CONSTANT FOR THE DURATION OF A FOULING TEST. THE MODEL OF TABOREK ET AL IS USED AND TWO PARAMETERS 1/T AND R. RCONTAINS ALL THE FACTORS THAT INFLUENCE FOULING, WHILE 1/T CONTAINS SHEAR STRESS, DEPOSIT THICKNESS, AND BONDING STRENGTH OF THE DEPOSIT. RIS THE ASYMPTOTIC FOULING RESISTANCE AND T IS THE TIME CONSTANT OF THE FOULING RESISTANCE-TIME CURVE. THESE PARAMETERS WERE DETERMINED AS A FUNCTION OF SURFACE TEMPERATURE. LIMITED DATA WERE AVAILABLE TO INDICATE THE EFFECT OF VELOCITY ON THE PARAMETERS. 1/T AND RMAY BE USED PREDICT THE HISTORY OF FOULING IN A HEAT EXCHANGER.

Details

  • Original title: FUNCTIONAL CORRELATION OF SURFACE TEMPERATURE AND FLOW VELOCITY ON FOULING OF COOLING TOWER WATER.
  • Record ID : 1987-0946
  • Languages: English
  • Source: Heat Transf. Eng. - vol. 7 - n. 1-2
  • Publication date: 1986
  • Document available for consultation in the library of the IIR headquarters only.

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