Learning Forum

[yadukrishnan]

What does the function BOUNDARY_HEAT_FLUX(f, thread) returns in a UDF used in fluent. Wall heat flux density(W/m2) or wall heat (W) ? Does it return total heat flux? To access local heat flux density(W/m2) of a single cell, How can I use this function?

[DrAmine]

It returns the total heat rate: it is a only available on external boundaries.

[DrAmine]

for each facet of the eligible boundaries.

[DrAmine]

­ƒæì