Arc simulation

Cédric1313 · December 9, 2013, 11:32

Hello everyone, I am a french student and I will work on the electric arc simulation in a contactor DC in the Fluent software. I have a roughly geometry.
I'm not a pure scientifist but i have knowledges in magnetism, electrical
I will like to have the behaviour of electric arc in the contactor to compare with tests later.
What are the first questions that must be asked to guide its work to achieve its objective?
Sorry for my English
Cédric

RodriguezFatz · December 10, 2013, 07:50

My first question: Can Fluent solve Poisson's equation for the electric field in the arc? I didn't know Fluent can be used for plasma simulations.

beer · December 12, 2013, 22:08

Hi

It can. I did some welding arc simulations earlier this year. You can use the User Defined Scalar to solve the transport equations. However you need to provide some stuff by User Defined Functions which is IMHO always a little bit painful in Fluent.

Regards

kada · February 16, 2019, 10:02

Hello, I am a new student, and I want to simulate the electric arc that appears when deconecting electrodes. reading the forums I can do it with fluent cfd.
I want to do the same simulation, you can help me please

December 9, 2013, 11:32	Arc simulation	#1
Cédric1313 New Member Cédric Join Date: Dec 2013 Posts: 1 Rep Power: 0	Hello everyone, I am a french student and I will work on the electric arc simulation in a contactor DC in the Fluent software. I have a roughly geometry. I'm not a pure scientifist but i have knowledges in magnetism, electrical I will like to have the behaviour of electric arc in the contactor to compare with tests later. What are the first questions that must be asked to guide its work to achieve its objective? Sorry for my English Cédric

December 10, 2013, 07:50		#2
RodriguezFatz Senior Member Philipp Join Date: Jun 2011 Location: Germany Posts: 1,297 Rep Power: 26	My first question: Can Fluent solve Poisson's equation for the electric field in the arc? I didn't know Fluent can be used for plasma simulations. __________________ The skeleton ran out of shampoo in the shower.

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December 12, 2013, 22:08		#3
beer Member Join Date: Dec 2012 Posts: 92 Rep Power: 13	Hi It can. I did some welding arc simulations earlier this year. You can use the User Defined Scalar to solve the transport equations. However you need to provide some stuff by User Defined Functions which is IMHO always a little bit painful in Fluent. Regards

February 16, 2019, 10:02		#4
kada New Member kada Join Date: Feb 2019 Posts: 6 Rep Power: 7	Hello, I am a new student, and I want to simulate the electric arc that appears when deconecting electrodes. reading the forums I can do it with fluent cfd. I want to do the same simulation, you can help me please