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Old   February 4, 2009, 05:02
Default Engine Inlet problem
  #1
Alfonso
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Hi everyone I have some trouble simulating a Engine Inlet system with fluent in 3D My CFD set up is velocity of Air inlet 60 m/s and and turbulence model that I using is k-epsilon teh simulation goes well but on the fluent panel appear reverse flow in several faces Can anybody help me what does mean and how can I solve this problem? thank you so much Alfonso
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Old   February 4, 2009, 05:14
Default Re: Engine Inlet problem
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pramod
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hi reverse flow means flow is coming out from inlet surface when u create one surface in inlet plane and display vector u can see how flow become reverse . remedy: check u r boundary con. try for redusing inlet velocity

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Old   February 4, 2009, 10:05
Default Re: Engine Inlet problem
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SA
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why dont you create the natural boudary condition at inlet of your inlet.,that is the static far field.

Regards
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Old   February 4, 2009, 16:38
Default Re: Engine Inlet problem
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John S.
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Also, if you're running a boundary layer simulation those reversed flow faces are most likely sitting within the BL where the near-wall velocities are near zero.
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Old   February 11, 2009, 10:22
Default Re: Engine Inlet problem
  #5
Alfonso
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Hello Pramod, SA and Jhon.S thank to you all I will test your advice I hope to solve this problem because I donīt what is happening could you please pass my any tutorial about Intake Engine Air System Thanks to you all again Regards
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Old   February 16, 2009, 11:26
Default Re: Engine Inlet problem
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SYED AMEER BASHA
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hai,

I am trying to simulate diesel engine.i am at the begining stage please any body send tutorial which covers

1)Creating diesel engine with inlet,outlet valves and piston. 2) Creating a sliding/moving mesh 3)Simulating a diesel engine
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