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Heat transfer coefficient for convection

Question asked by Per Mjörnstad on Jan 15, 2018
Latest reply on Feb 1, 2018 by Ryan Dark

Hello

 

I want to test different nozzles and se which one has the best heat transfer coefficient.

The nozzle are blowing on a Surface the static pressure of air is 1000Pa and the air temp is 20degrees.

The Surface is set to 300degrees constant.

I run the test and get very differen values on the heat transfer coefficient with the same nozzle.

but with different meshes.

So my question is what mesh should i use ?

 

Best Regards

Per

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