CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > Software User Forums > ANSYS > FLUENT

modelling fuel cell duct in fluent

Register Blogs Members List Search Today's Posts Mark Forums Read

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   October 7, 2004, 02:47
Default modelling fuel cell duct in fluent
  #1
rajesh kumar tippabhotla
Guest
 
Posts: n/a
hi i am trying to model a fuel cell duct ..a 3D rectangular flow duct( flow in which is in x direction) and a porous membrane below the duct of considerable thickness( there is no seperation between the flow duct and porous membrane, they have an interface). another species which gets generated below the porous membrane , enters the flow duct through the porous membrane in the Z direction.Both the species together leave out through the exit of the duct.The incoming fluid into the main flow duct comes with certain heat flux. i created the meshed geometry in gambit.i have some problem doing it in fluent.i don't know how to give the boundary conditions..heat flux and mass generation for the porous membrane. More over the way i am doing it, the flow in the duct is not at all being influenced by the incoming species from the porous medium with some heat in it.

is there a way i can model the 2 volumes(flow duct and porous medium)together? thank you..
  Reply With Quote

Old   October 7, 2004, 05:32
Default Re: modelling fuel cell duct in fluent
  #2
Ari
Guest
 
Posts: n/a
Hi, I think you have to define the interface, between fluid and porous zone, as wall type in gambit (or in FLUENT) because in this zone type there are many options both for heat and mass exchange, while I haven't really understood which is the function of interface type since when I open the interface panel there is only the name_zone.

Good Luck,

Ari
  Reply With Quote

Old   October 7, 2004, 13:04
Default Re: modelling fuel cell duct in fluent
  #3
rajesh kumar tippabhotla
Guest
 
Posts: n/a
hi i appreciate your interest in my problem. i think defining the interface as wall doesn't serve my purpose as this condition allows me to input heat flux into the flowduct only. also the watervapor which comes into the flowduct via the porous medium is resticted from entering the flow duct.

is there any other way out? thank you
  Reply With Quote

Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

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


Similar Threads
Thread Thread Starter Forum Replies Last Post
FvMatrix coefficients shrina OpenFOAM Running, Solving & CFD 10 October 3, 2013 15:38
PEM fuel cell karmagos FLUENT 1 May 4, 2012 20:28
HELP!:CFD modelling using FLUENT in swimming pool Tee Main CFD Forum 0 September 7, 2005 21:48
Warning 097- AB Siemens 6 November 15, 2004 05:41
Modelling of Fuel Cell Paul Main CFD Forum 8 March 29, 2002 17:18


All times are GMT -4. The time now is 04:57.