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TURBULENT FLOW FRICTION AND HEAT TRANSFER CHARACTERISTICS OF SINGLE AND MULTISTART SPIRALLY ENHANCED TUBES.

Author(s) : SETHUMADHAVAN R., RAJA RAO M.

Type of article: Article

Summary

INVESTIGATIONS HAVE BEEN CARRIED OUT ON HEAT TRANSFER AND FRICTIONAL CHARACTERISTICS OF FIVE SPIRALLY CORRUGATED TUBES OF ONE TO FOUR CORRUGATION STARTS, HAVING THE SAME HELIX ANGLE, BUT OF VARYING GEOMETRICAL ASPECTS RATIOS, FOR THE TURBULENT FLOW OF WATER AND 50 PERCENT GLYCEROL. THE THERMAL PERFORMANCE WAS FOUND TO BE SUPERIOR COMPARED TO A SMOOTH TUBE. FRICTION FACTORS AND HEAT TRANSFER COEFFICIENTS IN THESE ROUGH TUBES WERE ANALYSED AND THE CORRELATION OBTAINED WAS TESTED WITH THE PRESENT DATA AND THE PUBLISHED RESULTS.

Details

  • Original title: TURBULENT FLOW FRICTION AND HEAT TRANSFER CHARACTERISTICS OF SINGLE AND MULTISTART SPIRALLY ENHANCED TUBES.
  • Record ID : 1987-0443
  • Languages: English
  • Source: J. Heat Transf. - vol. 108 - n. 1
  • Publication date: 1986/02
  • Document available for consultation in the library of the IIR headquarters only.

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