Simulating Smoke and Fire in Mechanically Ventilated Systems

[Anonymous]

Hi,

I am currently exploring using Autodesk Simulation CFD to perform some fire and smoke simulations. Under certain regulations, the fire source material is required to be specified, and based on the material (e.g. polyurethane), the total heat release rate, specific release rate are fixed, and the mass flow rate of the fuel is determined by m=Q/q. The soot and CO generation are also typically assumed to be 10% of the fuel supply mass rate m.

I understand that in Simulation CFD, the scalar function can be used to determine the smoke release. Is there any way to implement a mass flow rate boundary condition of the soot and CO material as stated above? Or is there a way to relate the scalar function to soot and CO?

[TravisNave]

This probably should be asked in the appropriate product forum and not the network licensing forum. 

[Anonymous]

Hi,

My apologies for initially posting in the wrong forum.

I really would wish to know if Autodesk has the capability to implement soot, air and carbon monixide at the same time. Since scalar feature is a two-phase solver and this case involves 3 species, is there any way to resolve this?

I see that Autodesk implements a total heat generation coupled with scalar to replicate smoke travel. Traditionally in other softwares they have heat generation, soot generation and carbon monoxide at fixed mass flow rates based on material choice. These two methods seem to differ.

[Anonymous]

Hi,

My apologies for initially posting in the wrong forum.

I really would wish to know if Autodesk has the capability to implement soot, air and carbon monixide at the same time. Since scalar feature is a two-phase solver and this case involves 3 species, is there any way to resolve this?

I see that Autodesk implements a total heat generation coupled with scalar to replicate smoke travel. Traditionally in other softwares they have heat generation, soot generation and carbon monoxide at fixed mass flow rates based on material choice. These two methods seem to differ.