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  3. Accurate calculation of heat transfer coefficient (HTC) during conjugate heat transfer (CHT) modeling in CFD post

Accurate calculation of heat transfer coefficient (HTC) during conjugate heat transfer (CHT) modeling in CFD post

Tagged: 2019 R2, cfd-post, fluid-dynamics, General
    • March 17, 2023 at 1:10 pm
      SolutionSolution
      Participant

      CFX / Fluent calculates heat transfer coefficient (HTC) at the wall using the fluid temperature at the first node / first cell from the wall as an approximation of the free stream temperature outside the thermal boundary layer. As the first node / cell from the wall may not be outside the thermal boundary layer, this method over-estimates the HTC. A more accurate method is presented in this material. Please refer to the attachment for details. Keywords: heat transfer coefficient (HTC), conjugate heat transfer (CHT), wall adjacent temperature

      Attachments:
      1. 2054957.pdf

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