Modeling static buildup/discharge?

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    Modeling Static
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The discussion centers on modeling static buildup and discharge in plastic cups moving within a machine. The user seeks guidance on creating a mathematical model to quantify static electricity accumulation over time and its discharge behavior. They express an interest in solving the governing equations using the finite element method. A response indicates a lack of expertise in this area, highlighting the need for further assistance. The conversation underscores the complexity of modeling static electricity phenomena in industrial applications.
phsieh2009
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Hi,

I would like to model static buildup and discharge. It will be appreciated if someone can point to me a direction. Thanks!

Pei-Ying
 
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What kind of model are you wanting to make? Like a graph, drawing, ETC. Or am I misunderstanding?
 
Hi, Drakkith,

Thanks for the reply!

I have plastic cups moving inside a machine. I would like to know how much static builds up during certain time period. And, how it discharges. So, I am interested in mathematical modeling and hopefully, solving the governing equations using finite element method.

Pei-Ying
 
Ah ok. Well, I wish I could help you, but I don't have enough knowledge about this. Sorry!
 
Thread 'Motional EMF in Faraday disc, co-rotating magnet axial mean flux'

Thread 'Motional EMF in Faraday disc, co-rotating magnet axial mean flux'

So here is the motional EMF formula. Now I understand the standard Faraday paradox that an axis symmetric field source (like a speaker motor ring magnet) has a magnetic field that is frame invariant under rotation around axis of symmetry. The field is static whether you rotate the magnet or not. So far so good. What puzzles me is this , there is a term average magnetic flux or "azimuthal mean" , this term describes the average magnetic field through the area swept by the rotating Faraday...
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