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HEAT TRANSFER ADJACENT TO THE ATTACHED END OF A CYLINDER IN CROSSFLOW.

Author(s) : SPARROW E. M., STAHL T. J., TRAUB P.

Type of article: Article

Summary

WIND TUNNEL EXPERIMENTS WERE PERFORMED TO DETERMINE HEAT TRANSFER COEFFICIENTS IN THE REGION OF WALL-CYLINDER INTERACTION FOR A WALL-ATTACHED CYLINDER IN CROSSFLOW. TRANSFER COEFFICIENTS WERE LOCALLY MEASURED. THE EXPERIMENTS SPANNED THE REYNOLDS NUMBER RANGE FROM 3,500 TO 23,000 AND WERE SUPPLEMENTED BY VELOCITY PROFILE MEASUREMENTS AND FLOW VISUALIZATION. THE WALL-CYLINDER INTERACTIONS WERE CONFINED TO A LENGTH OF THE CYLINDER EXTENDING ABOUT ONE DIAMETER WHERE THE QUASI-LOCAL COEFFICIENTS WERE LOWER THAN THOSE IN THE WALL-UNAFFECTED REGION. THE DECREASES WERE ACCENTUATED WITH DECREASING DISTANCE FROM THE WALL, BUT THIS TREND WAS REVERSED IN THE IMMEDIATE NEIGHBORHOOD OF THE WALL DUE TO THE PRESENCE OF A COMPACT, VIGOROUS VORTEX.

Details

  • Original title: HEAT TRANSFER ADJACENT TO THE ATTACHED END OF A CYLINDER IN CROSSFLOW.
  • Record ID : 1985-0072
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 27 - n. 2
  • Publication date: 1984/02

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