Fluids

Fluids

Mention Watt as boundary condition in Ansys Fluid Flow Fluent

    • rohandoijode
      Subscriber

      Hi


      I'm beginner to this tool. 


      I need to simulate a cold plate to find pressure drop, temperature drop, hot spots on surface of cold plate. Heat zones have been mentioned in the reference file below. 


       


      Link for STEP file


      https://drive.google.com/open?id=1DQ0mhjS-Ru1i63imEu5bxMf45v88hLeX


       

    • Rob
      Ansys Employee

      Staff are not permitted to open/download attachments so please post images.  I think you want to set a thermal condition on the model wall: do some of the tutorials bundled in the documentation (click on Help in Fluent and go to the "top" of the Fluent manuals) to see how it's done. 

    • DrAmine
      Ansys Employee

      At walls you can provide temperature (Dirichlet) Heat flux (Neumann) or Mixed (Robin) type of boundaries. Heat Flux has the dimension W/m^2. If you have the total heat flox applied (Watt) just divide it be the area of the wall in question and provide the flux for that wall. 


       


      As Suggested by rwoolhou: Start doing some tutorials and then start looking into your problem. Doing so you will much better learning curve!

    • rohandoijode
      Subscriber


       


      This is all have to impose on boundary conditions.

    • Rob
      Ansys Employee

      OK, so now compare what you know with available wall thermal options. What about the other sections of the plate & other side of the domain? 

    • rohandoijode
      Subscriber

      The other side is flat surface and no heat flux on that side.


       


       

    • rohandoijode
      Subscriber


       


      This is what I have generated results.


       


      How do I proceed simulating an animation for these where the heat flux is acting and heat is dissipated into water ?

    • DrAmine
      Ansys Employee

      Animation because you are doing transient run? 

    • rohandoijode
      Subscriber

      Yes Sir

    • Rob
      Ansys Employee

      You need to save data at regular intervals in Fluent, and then use the animation tools in CFD Post. These are significantly improved in 2019Rx, is there a reason for using older software? 

    • DrAmine
      Ansys Employee

      You can create animations in Fluent by using the new feature: In the Ribbon go to Solution>Activities>Create Solution Animation. Check the help for more information! 

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