Theoretical, numerical, and experimental investigation of pressure rise due to deflagration in confined spaces

Boo Hyoung Bang, Chan Sol Ahn, Jong Gun Lee, Young Tae Kim, Myung Ho Lee, Brad Horn, Darren Malik, Kelly Thomas, Scott C. James, Alexander Yarin, Suk Goo Yoon

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Estimating pressure rise due to deflagration in a fully or partially confined space is of practical importance in safety design of a petrochemical plant. Herein, we have developed a new theoretical model to predict the pressure rise due to deflagration in both fully and partially confined spaces. First, the theoretical model was compared and validated against experimental data from the closed-space experiments with hydrogen, methane, propane, and ethane. The theory predicted accurate pressure rises near the stoichiometric regime for all fuel types; outside the stoichiometric regime, especially, for rich mixtures of hydrocarbons with air, the theory over-predicted pressure rise since it does not account for soot formation and the associated energy losses by radiation. Experimental investigation of propane and hydrogen deflagration was conducted in a partially confined space and the theory-based predictions agreed with the data up to 5%. Parametric numerical study was performed to investigate the effect of the initial pressure and temperature of gaseous fuels on pressure rise.

Original languageEnglish
Pages (from-to)469-480
Number of pages12
JournalInternational Journal of Thermal Sciences
Volume120
DOIs
Publication statusPublished - 2017 Oct 1

Fingerprint

deflagration
propane
Propane
gaseous fuels
overpressure
soot
Petrochemical plants
hydrogen
Hydrogen
ethane
Soot
Ethane
safety
estimating
methane
hydrocarbons
energy dissipation
Energy dissipation
Methane
Hydrocarbons

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Engineering(all)

Cite this

Theoretical, numerical, and experimental investigation of pressure rise due to deflagration in confined spaces. / Bang, Boo Hyoung; Ahn, Chan Sol; Lee, Jong Gun; Kim, Young Tae; Lee, Myung Ho; Horn, Brad; Malik, Darren; Thomas, Kelly; James, Scott C.; Yarin, Alexander; Yoon, Suk Goo.

In: International Journal of Thermal Sciences, Vol. 120, 01.10.2017, p. 469-480.

Research output: Contribution to journalArticle

Bang, Boo Hyoung ; Ahn, Chan Sol ; Lee, Jong Gun ; Kim, Young Tae ; Lee, Myung Ho ; Horn, Brad ; Malik, Darren ; Thomas, Kelly ; James, Scott C. ; Yarin, Alexander ; Yoon, Suk Goo. / Theoretical, numerical, and experimental investigation of pressure rise due to deflagration in confined spaces. In: International Journal of Thermal Sciences. 2017 ; Vol. 120. pp. 469-480.
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AU - Horn, Brad

AU - Malik, Darren

AU - Thomas, Kelly

AU - James, Scott C.

AU - Yarin, Alexander

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