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

Simulation of PEMEC / SOEC in ANSYS Fluent. How?

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

Like Tree1Likes
  • 1 Post By CameronLeung

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   December 6, 2021, 12:21
Talking Simulation of PEMEC / SOEC in ANSYS Fluent. How?
  #1
New Member
 
Raśl Sotillo
Join Date: Nov 2021
Posts: 4
Rep Power: 4
raulsotillo is on a distinguished road
Hello everyone.

For my Master Thesis, I tried to simulate a PEMEC electrolyser, in where I fed it with H2O and I'd get H2 in the cathode and O2 in the anode. The protons would pass through the membrane. I ended up noticing that Fluent doesn't support Electrolysis with two phases, so only High-Temperature Electrolysis is supported.

That meant that I had to focus now on SOEC. When I model I noticed that, if I select the right source terms (production of O2 in the anode and production of H2 in the cathode), then my electrolyser doesn't work. If I select the opposite, which means that if I try to create H2 in the anode and O2 in the cathode, it works.

Also, it is worth appreciating that the source term seems that consider that the H2 reaction for electrolysers is taking place in the anode, as well as the O2 reaction would take place in the cathode.

I still haven't got a proper solution to my simulations, either they produce no Hydrogen or Oxygen, or they got produced on the wrong side, and I would like to get some advice on how to model the electrolyser.

Thank you so much

Raśl
raulsotillo is offline   Reply With Quote

Old   December 9, 2021, 13:28
Smile Solved!
  #2
New Member
 
Raśl Sotillo
Join Date: Nov 2021
Posts: 4
Rep Power: 4
raulsotillo is on a distinguished road
You can ask me on LinkedIn to know more about it:

www.linkedin.com/in/raulsotillo
raulsotillo is offline   Reply With Quote

Old   January 4, 2022, 03:49
Default
  #3
New Member
 
ZJ
Join Date: Dec 2020
Posts: 1
Rep Power: 0
CameronLeung is on a distinguished road
Hi,

Have you solved the problem? I noticed that the fuel electrode of the electrolyzer is called 'anode' in Fluent. Is it the answer to your query?


Note that, conventionally, the negative voltage is supplied to the cathode side in power consuming devices such as electrolyzers. ANSYS Fluent adopts the inverse notation where the negative voltage is supplied to the anode side whilst cathode remains positively charged. The main reason for this discrepancy
is that the same infrastructure is used for both the electrolysis and fuel cells models. Usage of the terms "anode" and "cathode" in this manual and in the user interface should be interpreted according to conventions for power-supplying devices.
-- Fluent17 user manual
engrmansoor2534 likes this.
CameronLeung is offline   Reply With Quote

Old   May 22, 2022, 13:53
Default
  #4
New Member
 
Raśl Sotillo
Join Date: Nov 2021
Posts: 4
Rep Power: 4
raulsotillo is on a distinguished road
Hello. I could solve the problem and yeah it was that! Thank you so much!



Quote:
Originally Posted by CameronLeung View Post
Hi,

Have you solved the problem? I noticed that the fuel electrode of the electrolyzer is called 'anode' in Fluent. Is it the answer to your query?


Note that, conventionally, the negative voltage is supplied to the cathode side in power consuming devices such as electrolyzers. ANSYS Fluent adopts the inverse notation where the negative voltage is supplied to the anode side whilst cathode remains positively charged. The main reason for this discrepancy
is that the same infrastructure is used for both the electrolysis and fuel cells models. Usage of the terms "anode" and "cathode" in this manual and in the user interface should be interpreted according to conventions for power-supplying devices.
-- Fluent17 user manual
raulsotillo is offline   Reply With Quote

Old   July 18, 2023, 09:10
Default
  #5
New Member
 
SH
Join Date: Jun 2023
Posts: 10
Rep Power: 3
lavendar12 is on a distinguished road
Hi, I am trying to simulate soec using sofc addon module 3, do i put h2o on anode side, o2 at cathode side, 0V at anode, and negative voltage at cathode?
lavendar12 is offline   Reply With Quote

Reply

Tags
electrolysis, pemec, pemfc, soec, sofc

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
Moving Shock tube simulation in Ansys fluent Patelp1996 FLUENT 1 September 11, 2020 04:16
Gravel bedform simulation by Ansys Fluent sajacivil FLUENT 5 April 11, 2020 12:02
Running UDF with Supercomputer roi247 FLUENT 4 October 15, 2015 13:41
The fluent stopped and errors with "Emergency: received SIGHUP signal" yuyuxuan FLUENT 0 December 3, 2013 22:56
Comparison between Solidworks Flow Simulation and Ansys Fluent Bruce828 Main CFD Forum 5 February 23, 2013 10:13


All times are GMT -4. The time now is 17:01.