Numerical modeling of radiative heat transfer in water sprays

Simo Hostikka (Corresponding Author), Kevin McGrattan

Research output: Contribution to journalArticleScientificpeer-review

37 Citations (Scopus)

Abstract

A numerical method is developed for the transport of polychromatic radiation in polydisperse sprays. The method is implemented within a wide-band radiation solver using the Finite Volume Method. Mie theory is used to compute the absorption and scattering characteristics of the water droplets. The solver is designed to be computationally effective because the simulations of fire scenarios are inherently time-dependent and the radiative transport equation must be solved many times. The model is compared with two sets of experimental data, and a discussion of the results is presented.
Original languageEnglish
Pages (from-to)76-86
JournalFire Safety Journal
Volume41
Issue number1
DOIs
Publication statusPublished - 2006
MoE publication typeA1 Journal article-refereed

Fingerprint

radiative heat transfer
sprayers
Heat transfer
Radiation
Water
finite volume method
Radiative transfer
Finite volume method
Mie scattering
radiation
water
Numerical methods
Fires
Scattering
broadband
scattering
simulation

Keywords

  • water sprays
  • radiation model
  • scattering calculation
  • Lagrangian droplets

Cite this

Hostikka, Simo ; McGrattan, Kevin. / Numerical modeling of radiative heat transfer in water sprays. In: Fire Safety Journal. 2006 ; Vol. 41, No. 1. pp. 76-86.
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Numerical modeling of radiative heat transfer in water sprays. / Hostikka, Simo (Corresponding Author); McGrattan, Kevin.

In: Fire Safety Journal, Vol. 41, No. 1, 2006, p. 76-86.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Numerical modeling of radiative heat transfer in water sprays

AU - Hostikka, Simo

AU - McGrattan, Kevin

PY - 2006

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N2 - A numerical method is developed for the transport of polychromatic radiation in polydisperse sprays. The method is implemented within a wide-band radiation solver using the Finite Volume Method. Mie theory is used to compute the absorption and scattering characteristics of the water droplets. The solver is designed to be computationally effective because the simulations of fire scenarios are inherently time-dependent and the radiative transport equation must be solved many times. The model is compared with two sets of experimental data, and a discussion of the results is presented.

AB - A numerical method is developed for the transport of polychromatic radiation in polydisperse sprays. The method is implemented within a wide-band radiation solver using the Finite Volume Method. Mie theory is used to compute the absorption and scattering characteristics of the water droplets. The solver is designed to be computationally effective because the simulations of fire scenarios are inherently time-dependent and the radiative transport equation must be solved many times. The model is compared with two sets of experimental data, and a discussion of the results is presented.

KW - water sprays

KW - radiation model

KW - scattering calculation

KW - Lagrangian droplets

U2 - 10.1016/j.firesaf.2005.09.003

DO - 10.1016/j.firesaf.2005.09.003

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VL - 41

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JO - Fire Safety Journal

JF - Fire Safety Journal

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