unsteady heat transfer rate calaculation

- November 22, 2018 at 3:29 am
  
  Alexandre11
  Subscriber
  
  Hai..
  
  Problem Specification
  
  A fluid flows through a solid region where a transient heat source is present. The cp value of fluid depends on temperature.
  
  How to plot the amount of heat absorbed by the fluid over time in cfd post.
  
  Regards
- November 22, 2018 at 5:29 am
  
  DrAmine
  Ansys Employee
  
  That would be theat released by
  The solid region in contact with fluid. Say heatflux at contact interface on the fluid side.
- November 22, 2018 at 5:51 am
  
  Alexandre11
  Subscriber
  
  Thanks for the reply.
  
  Sorry. I could not understand your answer. Can you explain it a bit more?
  
  Thanks
- November 22, 2018 at 1:45 pm
  
  DrAmine
  Ansys Employee
  
  In Fluent or CFX you have your Fluid passing though a solid region. Imagine now both are meshed and part of your model. CFX or Fluent will build up a sort of an interface or similar between both. At that interface you can look for the heat flux transferred between the solid body and fluid region. Look after the variable Heat Flux in Post which you can integrate along the Wall/Interface/Contact.
  
  For more information you need to post some more details here so that we can be more specific here.
- November 23, 2018 at 5:30 am
  
  Keyur Kanade
  Ansys Employee
  
  A quick check in Fluent would be Postprocessing - Reports - Fluxes - Heat transfer rate