Matlab Battery builder Ambient port to simulate Heat sink with air cooling

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Mohammad
Mohammad 2024-4-1
回答： Kothuri 2024-10-21
I want to simulate a battery module (Build in Battery builder app)
I am not using Coolant plate.
I have ambient port.
Can I specify a simscape Convection block on this ambient port to simulate Air cooling on the battery packs bottom?
Or
Is there a way to simulate bottom air cooled (using cooling plates thermal mass and Air convection)
  1 个评论
SUDEEP SINGH RAWAT
SUDEEP SINGH RAWAT 2024-6-6
hi,
you can use convetive heat transfer block for natural convection modeling with temperature source block at other end to set the ambient temperature.
hope it helps!

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回答（1 个）

Kothuri
Kothuri 2024-10-21
Hi Mohammad,
You can simulate air cooling without using a coolant plate on the battery module’s bottom using the “Simscape Convection” block.
  • You can directly connect a “Simscape Convection” block to the ambient thermal port of the battery.
  • This block will model the convective heat transfer between the battery and the surrounding air and thereby allowing you to simulate air cooling.
  • In the Battery Builder app, the thermal network has an ambient port where you can connect external thermal components.
You can refer the below link for more info on ambient port:
https://www.mathworks.com/help/simscape-battery/ug/get-started-battery-builder.html#GetStartedWithBatteryBuilderAppExample-8
  • Insert the “Convective Heat Transfer” block.
  • Connect the block’s ports: One side should be connected to the ambient thermal port of the battery, and the other side should be connected to the thermal environment (representing air at ambient temperature).
  • Set the Convective Heat Transfer Coefficient h (in W/m²/K) based on the air properties and expected airflow over the battery. This value depends on whether the air is moving (forced convection) or stationary (natural convection).
  • Specify the Surface Area (in m²) of the battery bottom that is exposed to air cooling.
  • Set the Ambient Temperature in the block’s parameters to simulate the temperature of the surrounding air.
You can refer the below link for more info on the “Convective Heat Transfer” block
https://www.mathworks.com/help/simscape/ref/convectiveheattransfer.html

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