CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > Software User Forums > OpenFOAM > OpenFOAM Running, Solving & CFD

Radiation heating of lagrangian particles in reactingParcelFoam

Register Blogs Members List Search Today's Posts Mark Forums Read

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   February 28, 2021, 15:53
Default Radiation heating of lagrangian particles in reactingParcelFoam
  #1
New Member
 
Jon
Join Date: Mar 2013
Posts: 13
Rep Power: 11
CHUIKOV is on a distinguished road
Dear all,

I'm modelling a gas nozzle with added lagrangian particles (representing micron sized metallic particles). The domain includes internal and external zones. The particles are injected after a certain time, when the flow is in a stable state.

The gas is in a compressible, transient regime, including turbulence. Up to now I have included the lagrangian particles, using reactingParcelFoam solver, in the absence of external heat sources and results look reasonable.

Now I want to include an external radiation source (laser beam) to heat the lagrangian particles. The radiation source has been measured experimentally. I have a text file with the following structure: x y z irradiance (W/m2). I have created a cellSet for the interaction volume.

I'm wondering what's the best way to tackle this problem. Since the gas can be considered transparent to the radiation, I have been looking into binaryAbsorptionEmission as shown in the tutorial SimpliedSiwek. This allows to define one set of optical properties for the gas (in my case set to none) and other set for the dispersed phase, However, the dimensions of absorptivity and emissivity are 1/m, while I need to define the absorption coeffient in % of the incident field and also a dimensionless emissivity.

Is it possible to use an fvOption only for the lagrangian phase? I would like to avoid expensive fvDOM models if possible.

I'm using ESI 2012 version.

many thanks in advance!
CHUIKOV is offline   Reply With Quote

Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Radiation in semi-transparent media with surface-to-surface model? mpeppels CFX 11 August 22, 2019 08:30
Fluent Radiation/porous media Schmitt pierre-Louis FLUENT 26 September 1, 2016 11:29
Monte Carlo Simulation: H-Energy is not convergating & high Incident Radiation volleyHC CFX 5 April 3, 2016 06:41
Add lagrangian particles to OpenFoam solver luchen2408 OpenFOAM 0 June 2, 2015 04:10
GETVAR Error in Multiband Monte Carlo Radiation Simulation with Directional Source silvan CFX 3 June 16, 2014 10:49


All times are GMT -4. The time now is 13:25.