点火位置对独头巷道中瓦斯爆炸超压的影响INFLUENCE OF IGNITION LOCATION ON EXPLOSION OVERPRESSURE IN COAL MINE BLIND TUNNEL
冯长根,陈林顺,钱新明
摘要(Abstract):
运用 Auto Rea Gas爆炸仿真模拟器研究了独头巷道中点火位置对瓦斯爆炸后果的影响。结果表明 ,在本文计算条件下 ,爆炸静态超压随着距离的增加而减小 ,爆炸动压随着距离的增大而增大。点火位置对爆炸后果有重要影响 ,点火位置离封闭端越近 ,各个测点上所得到的超压越大
关键词(KeyWords): 爆炸超压;爆炸仿真;独头巷道;瓦斯爆炸
基金项目(Foundation): 国家“九五”科技攻关项目 (编号 :96- 91 8- 0 1 - 0 1 )
作者(Author): 冯长根,陈林顺,钱新明
参考文献(References):
- 1 NationalCoalIndustryBureau.ChinaCoalIndustryYearbook[M].Beijing:CoalIndustryPress(inChinese),1998
- 2 ChapmanW R andWheelerR V.The propagation of flame in mixtures of methane and air.PartIV:The effect of restrictionsin the path of the flame[J].JChemSoc,1926,21:39~47
- 3 ChanC,L eeJH S,MoenI O andThibaultP.Turbulent flame acceleration and pressure development in tubes[A].Proceed-ings of theFirstSpecialistsMeeting of theCombustionInstitute[C].Bordeaux,France,1980.479~484
- 4 L eeJH S,KnystautasR andFreimanA.High speed turbulentdeflagrations and transition to detonation inH2- air mixtures[J].Combustion andFlame,1984,56:227~239
- 5 HjertagerB H,FuhreK,ParkerS J andBakkeJR.Flame acceleration of propane- air in a large- scale obstructed tube[A].Progress inAstronautics andAeronautics[M].NewYork:AIAA Inc,1984,94:504~522
- 6 GaoTaiyin,HuangJuntao,L iYuanming,etal.Numerical simulation of deflagration to detonation transition(DDT) ofCH4-O2gas mixture[J].Explosion andShockWaves(inChinese),1998,18(4):323~330
- 7 AutoReaGasTheoryManual.TheInteractiveSoftware forReactiveGasDynamic andBlastAnalysis[M].CenturyDynamicsandTNO,1996