Car Air Filter

andrea.pasquali · September 16, 2009, 03:40

Dear Foamers,
I'm new in OpenFOAM. I want to model a Car Air Filter.
Do anyone know this case? How can I model it?

Thanks in advance for any reply!

Andrea

gwierink · September 17, 2009, 03:17

Hi Andrea,

I don't know your case, but I do know there is a solver for porous media in OpenFOAM. Perhaps that's usable to model the filter. Do you have a mesh etc?

Regards,

Gijs

andrea.pasquali · September 17, 2009, 06:03

Hi Gijs,

Thank you for your hint! I saw it, it's rhoPorousSimpleFoam and now I'm join with it.
I don't get mesh yet; I'm waiting for the CAD model.

Regards,

Andrea

andrea.pasquali · October 1, 2009, 10:27

Hi,
I have got mesh of air filter. I tried it with "rhoPorousSimpleFoam" and the run seems very well.
Now I want to run a transient case but there is not "rhoPorousTurbFoam".
Can I use "rhoTurbFoam" or I should use "turbFoam"? Now I'm trying the first but I think that porousZone doesn't run beacause I don't see "Creating porous zone: porosity" in the log file.
Another question: why when I make mapField I can't restart the run from the mapField condition? I obtain "floating point exception" and the run die.

thanks in advance for any aids

Andrea

theja · October 21, 2011, 08:31

dear foamers

i am trying to model a indoor air purifier which consists of 90% air and 10% of dust please suggest a suitable solver for the problem

thanking you in advance
'
theja

ljacobs12 · December 1, 2011, 10:58

I asked before but no one responded. I don't know anything about air filters and I have really dumb question to prove it. Let me start out by saying that I am a girl and I know nothing about cars. For the past month my husband has been talking about how his car needs a new air filter and I'm going to surprise him by buying one and installing it in his truck! Step one was to start searching for where to buy them. I looked online and found this website that sells discount filters. I have no idea if these filters are the same kind of filters that go in vehicles. Can someone tell me if there is a difference between house air filters and car air filters? Does that place have the car kind? My second question is how to install them into the truck? Seriously, thank you so much for any help! Try to hurry with your answers, I want to have this done by this weekend!

September 16, 2009, 03:40	Car Air Filter	#1
andrea.pasquali Senior Member Andrea Pasquali Join Date: Sep 2009 Location: Germany Posts: 142 Rep Power: 16	Dear Foamers, I'm new in OpenFOAM. I want to model a Car Air Filter. Do anyone know this case? How can I model it? Thanks in advance for any reply! Andrea

October 21, 2011, 08:31	indoor air purifier	#5
theja New Member theja Join Date: Oct 2011 Posts: 17 Rep Power: 14	dear foamers i am trying to model a indoor air purifier which consists of 90% air and 10% of dust please suggest a suitable solver for the problem thanking you in advance ' theja

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
air bubble is disappear increasing time using vof	xujjun	CFX	9	June 9, 2009 07:59
Air filter modeling	Mohamad Tajali	Main CFD Forum	1	December 5, 2005 10:16
How i can to simulate the air flow over the car?	fernando vicente	CFX	3	August 11, 2003 22:35
How to model air filter in the straight pipe?	Richard	FLUENT	0	March 18, 2002 07:13

September 17, 2009, 03:17		#2
gwierink Senior Member Gijsbert Wierink Join Date: Mar 2009 Posts: 383 Rep Power: 18	Hi Andrea, I don't know your case, but I do know there is a solver for porous media in OpenFOAM. Perhaps that's usable to model the filter. Do you have a mesh etc? Regards, Gijs

September 17, 2009, 06:03		#3
andrea.pasquali Senior Member Andrea Pasquali Join Date: Sep 2009 Location: Germany Posts: 142 Rep Power: 16	Hi Gijs, Thank you for your hint! I saw it, it's rhoPorousSimpleFoam and now I'm join with it. I don't get mesh yet; I'm waiting for the CAD model. Regards, Andrea

October 1, 2009, 10:27		#4
andrea.pasquali Senior Member Andrea Pasquali Join Date: Sep 2009 Location: Germany Posts: 142 Rep Power: 16	Hi, I have got mesh of air filter. I tried it with "rhoPorousSimpleFoam" and the run seems very well. Now I want to run a transient case but there is not "rhoPorousTurbFoam". Can I use "rhoTurbFoam" or I should use "turbFoam"? Now I'm trying the first but I think that porousZone doesn't run beacause I don't see "Creating porous zone: porosity" in the log file. Another question: why when I make mapField I can't restart the run from the mapField condition? I obtain "floating point exception" and the run die. thanks in advance for any aids Andrea

December 1, 2011, 10:58		#6
ljacobs12 New Member Laura Jacobs Join Date: Sep 2011 Posts: 2 Rep Power: 0	I asked before but no one responded. I don't know anything about air filters and I have really dumb question to prove it. Let me start out by saying that I am a girl and I know nothing about cars. For the past month my husband has been talking about how his car needs a new air filter and I'm going to surprise him by buying one and installing it in his truck! Step one was to start searching for where to buy them. I looked online and found this website that sells discount filters. I have no idea if these filters are the same kind of filters that go in vehicles. Can someone tell me if there is a difference between house air filters and car air filters? Does that place have the car kind? My second question is how to install them into the truck? Seriously, thank you so much for any help! Try to hurry with your answers, I want to have this done by this weekend!