Wrong Pressure countors for channel flow driven by mass flow rate or press gradient -- CFD Online Discussion Forums

June 21, 2009, 10:02	Wrong Pressure countors for channel flow driven by mass flow rate or press gradient	#1
ash-khan New Member Join Date: Jun 2009 Location: pakistan Posts: 9 Rep Power: 16	Hi every one, i am new to this forum. i have just started using fluent. i am getting some problem in turbulent channel flow simulation by RANS in fluent 6.2. i have tried channel flow by constant mass flow rate and constant press grad via various models like std k-e, RNG k-e, rk-e and k-w but in all these simulation i am not getting the pressure values right. Actually it should be a gradual decrease in the pressure from inlet to outlet but i am not getting that. Velcity profile is ok. What i assume that i am not getting a turbulent flow during simulation... If anybody can provide me some help on that.

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
Pressure Driven Supersonic Flow in Converging-Diverging Nozzle	cdm	OpenFOAM Running, Solving & CFD	7	August 28, 2019 01:37
Water subcooled boiling	Attesz	CFX	7	January 5, 2013 03:32
How to change from mass flow to volume flow rate	stanley	FLUENT	1	February 2, 2007 06:44
pressure gradient term in low speed flow	Atit Koonsrisuk	Main CFD Forum	2	January 10, 2002 10:52
Hydrostatic pressure in 2-phase flow modeling (long)	DS & HB	Main CFD Forum	0	January 8, 2000 15:00

All times are GMT -4. The time now is 22:38.