How to track spray liquid\gas phases (for DPM source)?

Jasmine :) · March 21, 2015, 08:33

Hi,
I'm new to Fluent and will appreciate your advice and help.
The problem that I work on considers a non-premixed spray fuel combustion with air, using DPM for fuel injection.

I'd like to trace the fuel liquid mass fracture in the spray stream (liquid+gas) as it evaporates (until it is fully evaporated and burned)

Thanks!

vasava · March 23, 2015, 01:18

You can check mass fractions via Contours-->Species-->Mass Fraction of *.*. Also you can trace the DPM particles with Particle Tracks.

Jasmine :) · March 23, 2015, 07:20

Thanks,
Within a specific material, how can I distiguish a liquid phase mass fraction from gas\evaporated phase?

Does a mass fraction (contours\xy\..) of that material represent liquid phase only, or all phases?

vasava · March 24, 2015, 02:40

You can chose the species for which you want to see the mass fraction. Depending on your setup you should be able to see all the species participating in the simulation.

March 21, 2015, 08:33	How to track spray liquid\gas phases (for DPM source)?	#1
Jasmine :) New Member Jasmine Join Date: Mar 2015 Posts: 2 Rep Power: 0	Hi, I'm new to Fluent and will appreciate your advice and help. The problem that I work on considers a non-premixed spray fuel combustion with air, using DPM for fuel injection. I'd like to trace the fuel liquid mass fracture in the spray stream (liquid+gas) as it evaporates (until it is fully evaporated and burned) Thanks!

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March 23, 2015, 01:18		#2
vasava Senior Member Paritosh Vasava Join Date: Oct 2012 Location: Lappeenranta, Finland Posts: 732 Rep Power: 22	You can check mass fractions via Contours-->Species-->Mass Fraction of .. Also you can trace the DPM particles with Particle Tracks.

March 23, 2015, 07:20		#3
Jasmine :) New Member Jasmine Join Date: Mar 2015 Posts: 2 Rep Power: 0	Thanks, Within a specific material, how can I distiguish a liquid phase mass fraction from gas\evaporated phase? Does a mass fraction (contours\xy\..) of that material represent liquid phase only, or all phases?

March 24, 2015, 02:40		#4
vasava Senior Member Paritosh Vasava Join Date: Oct 2012 Location: Lappeenranta, Finland Posts: 732 Rep Power: 22	You can chose the species for which you want to see the mass fraction. Depending on your setup you should be able to see all the species participating in the simulation.