Effects of obstacles and deposited coal dust on characteristics of premixed methane-air explosions in a long closed pipe

Safety Science

Volumn 50, Issue 9, 2012, Pages 1786-1791

  Dong, Chengjie ^a   Bi, Mingshu ^a   Zhou, Yihui ^a  

^a DALIAN UNIVERSITY OF TECHNOLOGY   (China)

Author keywords

Deposited coal dust; Explosion; Methane; Obstacles

Indexed keywords

CONTROL UNIT; EXPERIMENTAL SYSTEM; EXPLOSION OVERPRESSURE; HORIZONTAL PIPES; METHANE CONTENT; METHANE-AIR; OBSTACLES; OVER-PRESSURES; PREMIXED; PRESSURE FLUCTUATION; PRESSURE PEAKS; PRESSURE RISE; PURE GAS; STOICHIOMETRIC RATIO;

DATA ACQUISITION; EXPLOSIONS; METHANATION; METHANE;

COAL DUST;

COAL; METHANE;

AIR POLLUTION; AMPLITUDE MODULATION; ARTICLE; CHEMICAL COMPOSITION; COMBUSTION; CONCENTRATION (PARAMETERS); EXPLOSION; PRESSURE MEASUREMENT; PRIORITY JOURNAL; STOICHIOMETRY; TREND STUDY;

EID: 84863552427     PISSN: 09257535     EISSN: 18791042     Source Type: Journal    
DOI: 10.1016/j.ssci.2012.04.002     Document Type: Article

References (18)

1. Amyotte P.R., Mintz K.J., Pegg M.J., Sun Y.H. The ignitability of coal dust-air and methane-coal dust-air mixtures. Fuel 1993, 72:671-679.
2. Andrews G.E., Herath P., Phylaktou H.N. The influence of flow blockage on the rate of pressure rise in Large L/D cylindrical closed vessel explosions. Journal of Loss Prevention in the Process Industries 1990, 3:291-302.
3. Ciccarelli G., Fowler C.J., Bardon M. Effect of obstacle size and spacing on the initial stage of flame acceleration in a rough tube. Shock Waces 2005, 14:161-166.
4. Clanet C., Searby G. On the " tulip flame" phenomenon. Combustion and Flame 1996, 105:225-238.
5. Hall R., Masri A.R., Yaroshchyk P., Ibrahim S.S. Effects of position and frequency of obstacles on turbulent premixed propagating flames. Combustion and Flame 2009, 156:439-446.
6. Ibrahim S.S., Masri A.R. The effects of obstructions on overpressure resulting from premixed flame deflagration. Journal of Loss Prevention in the Process Industries 2001, 14:213-221.
7. Ibrahim S.S., Hargrave G.K., Williams T.C. Experimental investigation of flame/solid interactions in turbulent premixed combustion. Experimental Thermal and Fluid Science 2001, 24:99-106.
8. Johansen C.T., Ciccarelli G. Visualization of the unburned gas flow field ahead of an accelerating flame in an obstructed square channel. Combustion and Flame 2009, 156:405-416.
9. Kindracki J., Kobiera A., Rarata G., Wolanski P. Influence of ignition position and obstacles on explosion development in methane-air mixture in closed vessels. Journal of Loss Prevention in the Process Industries 2007, 20:551-561.
10. Liu Y., Sun J., Chen D. Flame propagation in hybrid mixture of coal dust and methane. Journal of Loss Prevention in the Process Industries 2007, 20:691-697.
11. Masri A.R., Ibrahim S.S., Nehzat N., Green A.R. Experimental study of premixed flame propagation over various solid obstructions. Experimental Thermal and Fluid Science 2000, 21:109-116.
12. Moen I.O., Donato M., Knystautas R., Lee J.H.S. Flame acceleration due to turbulence produced by obstacles. Combustion and Flame 1980, 39:21-32.
13. Oh K.H., Kim H., Kim J.B., Lee S.E. A study on the obstacle-induced variation of the gas explosion characteristics. Journal of Loss Prevention in the Process Industries 2001, 14:597-602.
14. Park D.J., Lee Y.S., Green A.R. Experiments on the effects of multiple obstacles in vented explosion chambers. Journal of Hazardous Materials 2008, 153:340-350.
15. Phylaktou H., Andrews G.E. The acceleration of flame propagation in a tube by an obstacle. Combustion and Flame 1991, 85:363-379.
16. Phylaktou H., Andrews G.E. Gas explosions in long closed vessels. Combustion Science and Technology 1991, 77:27-39.
17. Phylaktou H.N., Andrews G.E., Herath P. Fast flame speeds and rates of pressure rise in the initial period of gas explosions in large L/D cylindrical enclosures. Journal of Loss Prevention in the Process Industries 1990, 3:355-364.
18. Razus D., Movileanu C., Brinzea V., Oancea D. Explosion pressures of hydrocarbon-air mixtures in closed vessels. Journal of Hazardous Materials 2006, 135:58-65.