TAGGED: battery-cooling, fluent, heat-transfer
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July 5, 2024 at 3:06 pm
Kyu
SubscriberHello, everyone.
I'm working on the 12 cells serpentine cooling channel battery pack simulation. In the simulation the fluid(liquid-water)'s temperature doesn't change. In the area-weighted average temeprature graph, it keeps same as inlet temperature. And also in the temperature contour it keep same temperature. How can I fixt it.
I setted up the conditions as below.
[Cell Zone Conditions]
Each battery cells are considered as heat source.Â
- Heat generation rate 42400 W/m^3Â
[Boundary Conditions]
- velocity 0.3 m/s
- temperature 298.15K
Convection
- Heat transfer coefficient 10 W/m^2*K
- Free stream temperature 300K
- Heat generation rate 42400 W/m^3
- Temperature 298.15K
I attached a image of the model and results.
Thank you!
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July 5, 2024 at 3:32 pm
Rob
Forum ModeratorIf you're passing heat from the solid to the fluid there shouldn't be any option for a HTC. The yellow faces in the mesh image imply you have an interface zone, so unless you've set that up you're not going to see heat entering the fluid: I'm not sure how you've got heat leavin the solid though.Â
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July 5, 2024 at 4:00 pm
Kyu
SubscriberThank you for your reply Rob.Â
Then If I want the heat passes through solid to fluid, what option do I choose?Â
And you mean if there are interface zones, Is it impossible to heat entering to the fluid?: The battery cells generate heat and cool by aluminum channel and the inside the liquid water flows. Then, the water temperautre also change.Â
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July 5, 2024 at 3:56 pm
Kyu
SubscriberThank you for your reply Rob.Â
Then If I want the heat passes through solid to fluid, what option do I choose?Â
And you mean if there are interface zones, Is it impossible to heat entering to the fluid?:Â The battery cells generate heat and cool by aluminum channel and the inside the liquid water flows. Then, the water temperautre also change.Â
Â
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July 9, 2024 at 12:50 pm
Rob
Forum ModeratorYou can have a solid-solid interface but the better option would be to connect the zones. Look at share topology in SpaceClaim or Discovery (depending on where you built the geometry).Â
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