Abstract
Simulations of gas explosion of hydrogen/air mixture inside two rooms connected by ducts are carried out. Scalar transport chemical reaction model and LES turbulence model are utilized to reduce the calculation load and to conduct real-scale analysis. The effects of ignition source locations and volume of ignited room are analyzed, and the time history of pressure and rate of pressure rise in each room are focused in this study. When the volume of the ignited room is larger than the other room, the high pressure from the other room causes a force to act on the partition to the ignited room. This study indicates that the current technique can predict specific features of gas explosions inside two rooms connected by the ducts.
| Original language | English |
|---|---|
| Pages (from-to) | 455-461 |
| Number of pages | 7 |
| Journal | Journal of Loss Prevention in the Process Industries |
| Volume | 20 |
| Issue number | 4-6 |
| DOIs | |
| Publication status | Published - 2007 Jul |
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Keywords
- Differential pressure
- Flame propagation
- Gas explosion
- Rooms connected by ducts
ASJC Scopus subject areas
- Chemical Health and Safety
- Process Chemistry and Technology
- Safety, Risk, Reliability and Quality
Cite this
Numerical analysis of gas explosion inside two rooms connected by ducts. / Hashimoto, Akinori; Matsuo, Akiko.
In: Journal of Loss Prevention in the Process Industries, Vol. 20, No. 4-6, 07.2007, p. 455-461.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Numerical analysis of gas explosion inside two rooms connected by ducts
AU - Hashimoto, Akinori
AU - Matsuo, Akiko
PY - 2007/7
Y1 - 2007/7
N2 - Simulations of gas explosion of hydrogen/air mixture inside two rooms connected by ducts are carried out. Scalar transport chemical reaction model and LES turbulence model are utilized to reduce the calculation load and to conduct real-scale analysis. The effects of ignition source locations and volume of ignited room are analyzed, and the time history of pressure and rate of pressure rise in each room are focused in this study. When the volume of the ignited room is larger than the other room, the high pressure from the other room causes a force to act on the partition to the ignited room. This study indicates that the current technique can predict specific features of gas explosions inside two rooms connected by the ducts.
AB - Simulations of gas explosion of hydrogen/air mixture inside two rooms connected by ducts are carried out. Scalar transport chemical reaction model and LES turbulence model are utilized to reduce the calculation load and to conduct real-scale analysis. The effects of ignition source locations and volume of ignited room are analyzed, and the time history of pressure and rate of pressure rise in each room are focused in this study. When the volume of the ignited room is larger than the other room, the high pressure from the other room causes a force to act on the partition to the ignited room. This study indicates that the current technique can predict specific features of gas explosions inside two rooms connected by the ducts.
KW - Differential pressure
KW - Flame propagation
KW - Gas explosion
KW - Rooms connected by ducts
UR - http://www.scopus.com/inward/record.url?scp=34548479750&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=34548479750&partnerID=8YFLogxK
U2 - 10.1016/j.jlp.2007.04.009
DO - 10.1016/j.jlp.2007.04.009
M3 - Article
VL - 20
SP - 455
EP - 461
JO - Journal of Loss Prevention in the Process Industries
JF - Journal of Loss Prevention in the Process Industries
SN - 0950-4230
IS - 4-6
ER -