A numerical investigation of conjugate heat transfer from a flush heat source on a conductive board in laminar channel flow

  • Andreozzi A
  • Manca O
  • Auletta A
 et al. 
  • 33

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Abstract

A numerical study of laminar mixed-convection heat transfer to air from two identical protruding heat sources, which simulate electronic components, located in a two-dimensional horizontal channel, is presented in this paper. The finite volume method and the SIMPLER algorithm are used to solve the conservation equations of mass, momentum, and energy for mixed convection. Results show that the heat transfer increases remarkably for Pr = 0.71 and 5 ≤ Re ≤ 30. It was also found that the increase of separation distance, the height and the width of the components has a considerable enhancement of the heat removal rate from the components, and therefore, on the improvement of the heat transfer inside the channel. © 2009 Elsevier Ltd. All rights reserved.

Author-supplied keywords

  • ACFD
  • ANN
  • Adiabatic partition
  • Arch vortex
  • Auxiliary plate
  • Building integrated photovoltaic (BIPV)
  • Channel
  • Channel flow
  • Conduction
  • Conjugate
  • Conjugate heat transfer
  • Conjugate mixed convection
  • Conjugate natural convection
  • Constructal method
  • Convection
  • Convective heat transfer
  • Cooling
  • Covariance analysis
  • Discrete heat source
  • Discrete heat sources
  • Discrete ordinates method
  • Electronic air-cooling
  • Electronic components
  • Electronic cooling
  • Electronic equipment
  • Electronics cooling
  • Enclosure with massive wall
  • Estimation
  • Experimental
  • Experimental investigation
  • Experiments
  • Fanning friction coefficient
  • Fin height
  • Fin spacing
  • Finite volume method
  • Fins
  • Flow reversal
  • Forced
  • Free convection - radiation interaction
  • Heat conduction
  • Heat generation
  • Heat source
  • Heat transfer
  • Heated blocks
  • Heaters
  • Heatfunction
  • Heating blocks
  • Heatline
  • Horizontal channel
  • Horseshoe vortex
  • IC package
  • Laminar flow
  • Large eddy simulation (LES)
  • Local convective heat transfer coefficient
  • Mixed
  • Mixed convection
  • Multi-mode heat transfer
  • Multiple ventilated enclosure
  • Multiplicity of solutions
  • Natural
  • Natural convection
  • Non-uniform heating
  • Numerical
  • Numerical analysis
  • Numerical heat transfer
  • Numerical method
  • Numerical simulation
  • Numerical simulations
  • Numerical solution
  • Numerical study
  • Obstacle
  • Open cavity
  • Open cavity slots
  • Optimization
  • Optimum heater position
  • Optimum heaters position
  • Parallel plates
  • Parametric study
  • Periodic conditions
  • Porous medium
  • Protruding
  • Protruding heat source
  • Protruding heat sources
  • Radiation
  • Radiation effects
  • Radiative heat transfer
  • Response surface
  • Semi-experimental
  • Solar chimney
  • Square open cavity
  • Surface radiation
  • Temperature
  • Three dimensional bluff body
  • Three-dimensional effects
  • Turbulent flow
  • Two equation turbulence models
  • Uniform heat flux
  • Unsteady mixed convection
  • Unsteady natural convection
  • Variable property effects
  • Vented enclosure flows
  • Ventilated cavity
  • Ventilated enclosure
  • Vertical
  • Vertical channel
  • Vertical channels
  • Vertical parallel plates
  • Visualization
  • conjugate heat transfer
  • constructal theory
  • discrete heat sources
  • electronic cooling
  • electronics cooling
  • genetic algorithms
  • holes
  • horizontal rectangular ducts
  • k-?? model
  • mixed convection
  • natural convection
  • numerical
  • open area ratio
  • optimal location
  • passive cooling
  • protruding heat sources
  • radiation effects
  • systems

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Authors

  • Assunta Andreozzi

  • Oronzio Manca

  • a Auletta

  • Oronzio Manca

  • B Morrone

  • V Naso

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