Advanced search
1 file | 961.34 KB Add to list

Application of FDS and fireFOAM in large Eddy simulations of a turbulent buoyant helium plume

Georgios Maragkos (UGent) , Pieter Rauwoens (UGent) and Bart Merci (UGent)
(2012) COMBUSTION SCIENCE AND TECHNOLOGY. 184(7-8). p.1108-1120
Author
Organization
Abstract
Large eddy simulations are conducted in the near-field region of a large turbulent buoyant helium plume. Such plumes are of relevance for fire safety research due to the similar flow features as in the buoyant (smoke) plumes above the fire source. The transient and mean flow dynamics are discussed with and without the use of a Smagorinsky-type subgrid scale (SGS) model. For this purpose, two different computational fluid dynamics (CFD) packages are used. Small-scale structures, formed at the edge of the plume inlet due to a baroclinic and gravitational mechanism and subject to flow instabilities, interact with large-scale features of the flow, resulting in a puffing cycle. This puffing cycle is recovered in the simulations. In general, the LES calculations reproduce the main features of the turbulent plume. Mean velocity results compare well with the experimental data. The mass fractions are overpredicted on the centerline though, and higher on the domain.
Keywords
Helium plume, FireFOAM, LES, FDS, MODELS

Downloads

  • (...).pdf
    • full text
    • |
    • UGent only
    • |
    • PDF
    • |
    • 961.34 KB

Citation

Please use this url to cite or link to this publication:

MLA
Maragkos, Georgios, Pieter Rauwoens, and Bart Merci. “Application of FDS and fireFOAM in Large Eddy Simulations of a Turbulent Buoyant Helium Plume.” COMBUSTION SCIENCE AND TECHNOLOGY 184.7-8 (2012): 1108–1120. Print.
APA
Maragkos, G., Rauwoens, P., & Merci, B. (2012). Application of FDS and fireFOAM in large Eddy simulations of a turbulent buoyant helium plume. COMBUSTION SCIENCE AND TECHNOLOGY, 184(7-8), 1108–1120.
Chicago author-date
Maragkos, Georgios, Pieter Rauwoens, and Bart Merci. 2012. “Application of FDS and fireFOAM in Large Eddy Simulations of a Turbulent Buoyant Helium Plume.” Combustion Science and Technology 184 (7-8): 1108–1120.
Chicago author-date (all authors)
Maragkos, Georgios, Pieter Rauwoens, and Bart Merci. 2012. “Application of FDS and fireFOAM in Large Eddy Simulations of a Turbulent Buoyant Helium Plume.” Combustion Science and Technology 184 (7-8): 1108–1120.
Vancouver
1.
Maragkos G, Rauwoens P, Merci B. Application of FDS and fireFOAM in large Eddy simulations of a turbulent buoyant helium plume. COMBUSTION SCIENCE AND TECHNOLOGY. 2012;184(7-8):1108–20.
IEEE
[1]
G. Maragkos, P. Rauwoens, and B. Merci, “Application of FDS and fireFOAM in large Eddy simulations of a turbulent buoyant helium plume,” COMBUSTION SCIENCE AND TECHNOLOGY, vol. 184, no. 7–8, pp. 1108–1120, 2012.
@article{3227445,
  abstract     = {Large eddy simulations are conducted in the near-field region of a large turbulent buoyant helium plume. Such plumes are of relevance for fire safety research due to the similar flow features as in the buoyant (smoke) plumes above the fire source. The transient and mean flow dynamics are discussed with and without the use of a Smagorinsky-type subgrid scale (SGS) model. For this purpose, two different computational fluid dynamics (CFD) packages are used. Small-scale structures, formed at the edge of the plume inlet due to a baroclinic and gravitational mechanism and subject to flow instabilities, interact with large-scale features of the flow, resulting in a puffing cycle. This puffing cycle is recovered in the simulations. In general, the LES calculations reproduce the main features of the turbulent plume. Mean velocity results compare well with the experimental data. The mass fractions are overpredicted on the centerline though, and higher on the domain.},
  author       = {Maragkos, Georgios and Rauwoens, Pieter and Merci, Bart},
  issn         = {0010-2202},
  journal      = {COMBUSTION SCIENCE AND TECHNOLOGY},
  keywords     = {Helium plume,FireFOAM,LES,FDS,MODELS},
  language     = {eng},
  number       = {7-8},
  pages        = {1108--1120},
  title        = {Application of FDS and fireFOAM in large Eddy simulations of a turbulent buoyant helium plume},
  url          = {http://dx.doi.org/10.1080/00102202.2012.664002},
  volume       = {184},
  year         = {2012},
}

Altmetric
View in Altmetric
Web of Science
Times cited: