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Forum: FLUENT July 30, 2015, 11:04
Replies: 20
Views: 3,510
Posted By ghost82
Just to make public my thoughs I wrote you by...

Just to make public my thoughs I wrote you by email:
I think Tbulk could be calculated better by mass-weighted-average and not area-weighted-average.

Moreover,
Book "Fundamentals of heat and...
Forum: FLUENT July 29, 2015, 05:12
Replies: 20
Views: 3,510
Posted By ghost82
EDit post: Sorry, I deleted what I wrote as it...

EDit post: Sorry, I deleted what I wrote as it was wrong.

Send me the paper; I think that 927 vs. 888 should be acceptable, it's a 4% "error", I don't know..

Moreover: are you sure your...
Forum: FLUENT July 29, 2015, 04:47
Replies: 20
Views: 3,510
Posted By ghost82
The main problem is how the heat transfer...

The main problem is how the heat transfer coefficient (h) is defined: as you know there is bulk temperature into the equation, but what is bulk temperature?
Adjacent cell to the wall? Or temperature...
Forum: FLUENT July 29, 2015, 03:43
Replies: 20
Views: 3,510
Posted By ghost82
Yes, just change the inlet/outlet to periodic. ...

Yes, just change the inlet/outlet to periodic.
Then in periodic settings set the pressure gradient or mass flow rate.
Forum: FLUENT July 28, 2015, 11:41
Replies: 20
Views: 3,510
Posted By ghost82
Question is not very clear to me; do you mean...

Question is not very clear to me; do you mean have a fully developed flow so to have a constant velocity profile?
If so, just use periodic boundary condition.
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