A modeling investigation of suppressant distribution from a prototype solid-propellant gas-generator suppression system into a simulated aircraft Cargo Bay

Suk Goo Yoon, Ho Young Kim, J. C. Hewson, J. M. Suo-Anttila, D. J. Glaze, P. E. DesJardin

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

One new technology for fire suppressant distribution in total-flooding applications is the solid-propellant gas-generator (SPGG) technology. This article presents experimental and modeling studies of one such prototype system in order to better understand observations in the testing of this system. This particular SPGG system generates fine particles that act to suppress any fire in conjunction with inert gases also generated in the SPGG system. Initial conditions for the simulations are obtained from the available measurements of the prototype system. The modeling provides key information related to the distribution of the particles and their potential effectiveness as a fire suppressant. The primary variable in the SPGG design as identified in the initial measurements, also presented here, was the particle size, with typical particle sizes being measured at 2 μ15 m. The key modeling result is that there is a tradeoff between the most uniform distribution of particles and the available surface-to-volume ratio for chemical suppression. Information is also provided regarding the thermal dissipation from the SPGG system.

Original languageEnglish
Pages (from-to)1011-1023
Number of pages13
JournalDrying Technology
Volume25
Issue number6
DOIs
Publication statusPublished - 2007 Jun 1

Fingerprint

cargo aircraft
Cargo aircraft
gas generators
solid propellants
Gas generators
Solid propellants
prototypes
retarding
Fires
Particle size
Noble Gases
tradeoffs
Inert gases
rare gases
dissipation
Testing

Keywords

  • Distribution
  • Fire suppression
  • KBr
  • Stochastic separated flow mode
  • Suppressant

ASJC Scopus subject areas

  • Chemical Engineering (miscellaneous)

Cite this

A modeling investigation of suppressant distribution from a prototype solid-propellant gas-generator suppression system into a simulated aircraft Cargo Bay. / Yoon, Suk Goo; Kim, Ho Young; Hewson, J. C.; Suo-Anttila, J. M.; Glaze, D. J.; DesJardin, P. E.

In: Drying Technology, Vol. 25, No. 6, 01.06.2007, p. 1011-1023.

Research output: Contribution to journalArticle

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