Outlet total pressure greater than inlet total pressure -- CFD Online Discussion Forums

November 30, 2022, 12:33

Outlet total pressure greater than inlet total pressure

r.bhatia2194

New Member

Raju Bhatia

Join Date: Jun 2022

Posts: 1

Rep Power: 0

Hi,

I am getting confused with the results I am getting from one of the air duct simulations I recently did.
It seems, the outlet total pressure is less than that of the inlet total pressure.

Attached Images

Pressure.jpg (40.6 KB, 11 views)

December 2, 2022, 19:47		#2
CFDKareem Senior Member Kareem Join Date: Nov 2022 Location: New York Posts: 123 Rep Power: 3	Can you add some context to your setup? What does the geometry look like, what are the boundary conditions, etc?

December 5, 2022, 00:20		#3
fredo490 Senior Member HECKMANN Frédéric Join Date: Jul 2010 Posts: 249 Rep Power: 17	The total pressure can decrease if there are any energy dissipation. If you enable turbulent flows, it will decrease as small eddies are dissipated into heat.

« Previous Thread | Next Thread »

Posting Rules
You may not post new threads You may not post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is Off Trackbacks are Off Pingbacks are On Refbacks are On Forum Rules

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Issues on the simulation of high-speed compressible flow within turbomachinery	dowlee	OpenFOAM Running, Solving & CFD	11	August 6, 2021 06:40
Reversed flow using pressure inlet and outlet?	here_for_help	FLUENT	0	September 28, 2018 15:20
Adjuting oulet pressure till inlet pressure reaches a certain value in timestep	pvpnrao	OpenFOAM Running, Solving & CFD	2	September 11, 2018 10:14
outlet pressure Boundary settings -velocity streamline under ambient temp.conditions	Vishnu_bharathi	CFX	12	November 21, 2017 06:56
what the result is negatif pressure at inlet	chong chee nan	FLUENT	0	December 29, 2001 05:13

All times are GMT -4. The time now is 08:48.