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3d pemfc model - fluent module & gambit - error

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Old   February 25, 2009, 08:07
Default 3d pemfc model - fluent module & gambit - error
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meisam
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I try with fluent pemfc modul and use tutorial ' modeling a single channel , counter flow pem fuel cell . 2007 fluent inc ' but i dont know what the problem is cauz after first iteration the error messge 'floating point error' will appear . I think maybe boundry condition/zones that present in gambit or mesh size are wrong , but i do exactly according to the tutorial .

1- Is anode/cathod side flow channel each one apply 3 faces & and 1face that remine apply with gdl or they have another definition ?

2- Is anode/cathod side diffusion layer each one apply 3 faces or 4 faces or they have another definition ?

example for 4 faces: (2 faces ... interface collector & gdl) (1 face ... interface anode/cathod & gdl) (1 face interface catalyst & gdl)

3- do u have idea , what is my mistake ?

i am thankfull if you have mesh or case file about and send for me .

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Old   April 10, 2009, 07:20
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yuanwei
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Hi, I also meet with this problem, the iteration can not continue
I want to know if you have solved this problem.
Could you share, thank you~~
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Old   January 30, 2010, 03:51
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Philip Mprezas ( f.mprezas@yahoo.gr )
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what version do you use?
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Old   April 12, 2010, 18:37
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Einar
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I'm having exactly the same problem. Did you find a solution to this?
If so, please post it. Thank you.
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Old   February 25, 2011, 17:30
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brabah2010@hotmail.fr
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I am new in Fluent , firstly I was used the code Comsol for modeling the PEMFC but I found the difficulty because my supervisor do not help me so I decided to use the software Fluent but again I found the difficulty, I began by the tutorial of PEM fuel cells 3D but without results, please if you can help me.
Bye with my good wishes
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Old   February 26, 2011, 07:55
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Philip Mprezas ( f.mprezas@yahoo.gr )
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Did you follow step by step the tutorial?
Where is your problem?
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Old   April 11, 2011, 13:10
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[QUOTE=brabah;297059]I am new in Fluent ,
Hi of ALL ;I am found the solver for modeling pemfc 3D by FLUENT who he want to help his ,send me only the mail
bye
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Old   April 11, 2011, 13:12
Default modeling pem fuel cells 3d by fluent
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Hi of ALL ;I am found the problem for modeling pemfc 3D by FLUENT who he want to help his ,send me only the mail
bye
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Old   April 11, 2011, 13:28
Default plot IV in PEMFC 3D
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I am solver the pemfc 3d but i want how he plot the curve of polarisation
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Old   October 28, 2011, 12:05
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LWX
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Quote:
Originally Posted by meisam
;156867
I try with fluent pemfc modul and use tutorial ' modeling a single channel , counter flow pem fuel cell . 2007 fluent inc ' but i dont know what the problem is cauz after first iteration the error messge 'floating point error' will appear . I think maybe boundry condition/zones that present in gambit or mesh size are wrong , but i do exactly according to the tutorial .

1- Is anode/cathod side flow channel each one apply 3 faces & and 1face that remine apply with gdl or they have another definition ?

2- Is anode/cathod side diffusion layer each one apply 3 faces or 4 faces or they have another definition ?

example for 4 faces: (2 faces ... interface collector & gdl) (1 face ... interface anode/cathod & gdl) (1 face interface catalyst & gdl)

3- do u have idea , what is my mistake ?

i am thankfull if you have mesh or case file about and send for me .
I'm a new of Fluent modelling PEMFC and I found I encountered the same difficulties. I'm sure you have solved the problem and get many achievments. Can you post how you solve the problem in detail.
Thank you.
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Old   February 14, 2018, 17:47
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Quote:
Originally Posted by brabah View Post
I am solver the pemfc 3d but i want how he plot the curve of polarisation
please help me if you know
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