Hi!

Im working on a project right now, that involves a warm liquid flowing through a pipe. I closed the pipe with lids that provide appropiate boundary conditions for the simulation. I need to figure how much heat is lost to the outside air and, should any heatsources are nearby, how they influence the results. Heres my qustion: do i need to create an internal or external simulation the get the answers im looking for? 

Thank you in advance.

J.E.

Edu ​​​​​​​