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NUMERICAL SIMULATION OF FORCED CONVECTION HEAT TRANSFER FROM A CYLINDER IN CROSSFLOW.

Author(s) : KARNIADAKIS G. E.

Type of article: Article

Summary

FORCED CONVECTION FROM AN ISOLATED CYLINDER IN CROSSFLOW IS INVESTIGATED FOR REYNOLDS NUMBERS UP TO 200 BY DIRECT NUMERICAL SIMULATION OF THE NAVIER-STOKES AND ENERGY EQUATIONS. THE NUMERICAL PREDICTIONS FOR THE SIZE OF THE WAKE, THE TEMPORAL AND SPATIAL STRUCTURE OF THE VON KARMAN VORTEX STREET, THE UNSTEADY LIFT AND DRAG COEFFICIENT, AND THE UNSTEADY LOCAL HEAT TRANSFER COEFFICIENT ARE IN EXCELLENT AGREEMENT WITH EXPERIMENTAL DATA. VARIOUS OUTFLOW BOUNDARY CONDITIONS FOR THE VELOCITY FIELD ARE EMPLOYED TO ACCOUNT FOR THE UNBOUNDEDNESS OF THE DOMAIN, WHILE FOR THE TEMPERATURE FIELD THE CONDITIONS OF UNIFORM HEAT FLUX AND CONSTANT CYLINDER TEMPERATURE ARE SIMULATED.

Details

  • Original title: NUMERICAL SIMULATION OF FORCED CONVECTION HEAT TRANSFER FROM A CYLINDER IN CROSSFLOW.
  • Record ID : 1988-2235
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 31 - n. 1
  • Publication date: 1988

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