Weller combustion model - engineFoam solver.

ghindi · February 22, 2010, 04:02

Hi there!

I'm planning to use OF in my Master thesis to model SI combustion, mainly in part load operations.

I understand that engineFoam solver uses the Weller combustion model, but as his model has evolved with time, till what level is it implemented in the engineFoam solver?

If I decide to implement the LES flame wrinkling combustion model, does anyone know how complicated will it be to merge the Xifoam in a new SI solver, and will this be the correct way?

Thanks in advance!

Gustavo.

sheaker · May 6, 2016, 05:56

Hello Gustavo! Did You found information about Weller combustion implementation?
I'm trying to understand engineFoam.
I have found equations for:
mut, alphat, r, k, epsilon - from kEpsilon
b, Xi, Ea, Eau, ft, p, U - from XiFoam (?)

but it is so complicated/complex (or I don't know/understand something) that I can't even find N-S (momentum) equation, continuity equation and energy equation.

I know I need to locate equation of state (ideal gas) but it is not a problem.

If You know any other important equations that I've miss please, tell me.

Have a nice day.
Sheaker

February 22, 2010, 04:02	Weller combustion model - engineFoam solver.	#1
ghindi New Member Gustavo Join Date: Feb 2010 Location: Curitiba - PR - Brasil Posts: 16 Rep Power: 16	Hi there! I'm planning to use OF in my Master thesis to model SI combustion, mainly in part load operations. I understand that engineFoam solver uses the Weller combustion model, but as his model has evolved with time, till what level is it implemented in the engineFoam solver? If I decide to implement the LES flame wrinkling combustion model, does anyone know how complicated will it be to merge the Xifoam in a new SI solver, and will this be the correct way? Thanks in advance! Gustavo.

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May 6, 2016, 05:56		#2
sheaker Senior Member Oskar Join Date: Nov 2015 Location: Poland Posts: 184 Rep Power: 10	Hello Gustavo! Did You found information about Weller combustion implementation? I'm trying to understand engineFoam. I have found equations for: mut, alphat, r, k, epsilon - from kEpsilon b, Xi, Ea, Eau, ft, p, U - from XiFoam (?) but it is so complicated/complex (or I don't know/understand something) that I can't even find N-S (momentum) equation, continuity equation and energy equation. I know I need to locate equation of state (ideal gas) but it is not a problem. If You know any other important equations that I've miss please, tell me. Have a nice day. Sheaker