Fluids

Fluids

Wrong Area Calculation in 2D Analysis

    • Umut Can Gölbaşı
      Subscriber
      Hello,
      I am doing 2D analysis for plate heat exchanger. There is a 3mm gap between the plates. In the Ansys mesh section, I entered the thickness as 140mm.
       
       
      Based on the calculations below, my volume should be 420mm^2 (0.00042m^2).
       
      3mm x 140mm = 420mm^2 = 0.00042m^2
       
      However, as seen below, my area on fluent is 0.003m^2. Where is the problem?
       
       
      Thanks for your help.
    • Rob
      Ansys Employee

      Fluent assumes a 2d model is 1m thick, https://ansyshelp.ansys.com/account/secured?returnurl=/Views/Secured/corp/v222/en/flu_ug/flu_ug_sec_report_conventions.html  

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