Defining variable fluid inlet temperature in Fluent

    • Yogesh Sajikumar Pai

      Hello all,

      I'm running a transient simulation in Fluent and I want to define a non-constant fluid inlet temperature.

      My inlet temperature depends on the temperature of a cell zone and I know what the inlet temperature should be at different temperatures of that cell zone. I need Fluent to interpolate the inlet temperature between the ranges and not change abruptly (which I could even do manually).

      For example,

      At 650°C of cell zone, inlet temperature = 100°C,
      At 600°C of cell zone, inlet temperature = 80°C,
      At 500!C of cell zone, inlet temperature = 55°C,

      ...and so on.

      Thank you! 

    • SRP


      I recommend creating a UDF for inlet temperature.

      For more details, please refer to fluent customization manual: 1.3. Defining Your UDF Using DEFINE Macros (ansys.com)

      If you are not able to access the link, please refer to this forum discussion: Using Help with links (ansys.com)

      Thank you


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