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[ICEM] Cylindrical Burner Meshing Technique

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Old   January 21, 2014, 10:54
Default Cylindrical Burner Meshing Technique
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umar91ahmad is on a distinguished road
Hi guys!

Ive been a member for a couple of years now and have made this new account recently as my previous one (through my university) had to be deleted due to loss of the Uni email system.

The project I am undertaking at the moment is a combustion project for an industrial burner (TECFLAM burner). I have made some approximations regarding the injector and have come up with a simplified geometry.

The issue i am having is that many people differ on the best way to mesh a cylindrical geometry and when talking to terms of combustion the complexity just seems to skyrocket! I am expecting some vortex's in the regions circled in the pictures and i would like to get some opinions on the best way to capture the flow physics. One idea i have had is to section the main body of the burner from the injector end (inlet) and use structured/hybrid techniques at the inlet and then an unstructured mesh throughout (separated section shown in attached image, its the crude red half cylinder)...

However I need to capture some pretty complex flows within the cylinder such as swirl and high turbulence and want to approach this methodically.

Thanks in advance guys, look forward to your replies!!
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