Anumericalsimulationofstimulatingeffectoftramcars

duringthemethaneexplosionpropagation

XU Jing-de; ZHANG Li-cong; LI Ti-fa; YANG Geng-yu

doi:10.11883/1001-1455(2012)01-0047-04

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XU Jing-de, ZHANG Li-cong, LI Ti-fa, YANG Geng-yu. Anumericalsimulationofstimulatingeffectoftramcarsduringthemethaneexplosionpropagation[J]. Explosion And Shock Waves, 2012, 32(1): 47-50. doi: 10.11883/1001-1455(2012)01-0047-04

Citation:

XU Jing-de, ZHANG Li-cong, LI Ti-fa, YANG Geng-yu. Anumericalsimulationofstimulatingeffectoftramcars duringthemethaneexplosionpropagation[J]. Explosion And Shock Waves, 2012, 32(1): 47-50. doi: 10.11883/1001-1455(2012)01-0047-04

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Anumericalsimulationofstimulatingeffectoftramcars duringthemethaneexplosionpropagation

doi: 10.11883/1001-1455(2012)01-0047-04

1.
SchoolofSafetyEngineering,NorthChinaInstituteof
2.
ScienceandTechnology,Beijing101601,China;
3.
SchoolofAerospaceEngineering,BeijingInstituteofTechnology,Beijing100081,China;

Funds:

NationalBasicResearchProgramofChina(973Program)(2002CB412707)

More Information

Corresponding author: XU Jing-de
Publish Date: 2012-01-25

Abstract

Abstract

Tramcarsareusedastransportequipment,especiallyinthecentralareaofamine.Asobstaclesinthecloudofpre- mixedgas,theyproducestimulatingeffectduringthemethaneexplosionaccidentsincoalmining. Basedonconditionsofcoalminingprocess,asetofmodelsisbuiltforthenumericalsimulation. Thechemicalreactionmechanism,thermodynamicsofexplosionandelementary reactionaretakenintoconsiderationinthesimulation.TheTVDschemeisusedfornumericaldiscretization. Theresultshowsthechangesofshockwaveandfireflamebecauseoftheinfluenceof1to3 tramcars.Bycomparisonwithpreviousexperimentalresults,theconclusionisthatthestimulating effectwillbeenhancedwiththeincreaseofthenumberoftramcars.Theresultwillbehelpfulforthe gasexplosionprevention,emergencyresponseandrescue,andincidentinvestigationincoalmines.
- mechanicsofexplosion,
- stimulatingeffect,
- coupling,
- methaneexplosion,
- tramcars