Nusselt number and friction factor

- April 2, 2023 at 6:28 pm
  
  Mohammed Abdelbassit Kherrafi
  Subscriber
  
  Hello,
  I have a pipe with fluid inside and heat flux applied from the outside, I want to get the Nusselt and friction factor values for Dittus-Boelter equation validation, is it calculated manually or we get the value from fluent? as I've seen research articles doing validation with the equations and it is in the range, while mine is not.
  Thank you
- April 12, 2023 at 10:02 am
  
  SRP
  Subscriber
  
  Hi,
  To get value of Nusselt number you need to put an expression in the results: CFD post>Expression>New
  In the similar way, you can do for the friction factor.
  Thank you.

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