Mixture Fraction Combustion Model for Large Scale Fire Simulation.
Mixture Fraction Combustion Model for Large Scale Fire
McGrattan, K. B.; Floyd, J. E.; Hostikka, S.
ASME International Mechanical Engineering Congress and
Expedition (IMECE'01). Volume 1. CD-ROM Proceedings.
HTD-24251. November 11-16, 2001, New York, NY, American
Society of Mechanical Engineers, Bethesda, MD, 1-5 pp,
combustion models; fire simulation
A numerical fire model, Fire Dynamics Simulator (FDS),
is being developed at NIST to study fire behavior and to
evaluate the performance of fire protection systems in
buildings. To date, about half of the applications of
the model have been for design of smoke handling systems
and sprinkler/detector activation studies. The other
half consists of residential and industrial fire
reconstructions. Improvements are being made to address
the second set of applications, most importantly a
mixture fraction combustion model and a finite volume
radiation transport algorithm using either a gray gas or
a wide band assumption. The methods will be discussed
and a sample calculation presented.