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

June 21, 2009, 11:02	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: 17	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.

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