通風(fēng)條件下航空煤油池火燃燒特性的研究.pdf

1、中國科學(xué)技術(shù)大學(xué)碩士學(xué)位論文通風(fēng)條件下航空煤油池火燃燒特性的研究姓名：童琳申請學(xué)位級別：碩士專業(yè)：安全技術(shù)及工程指導(dǎo)教師：張瑞芳謝啟源20100501AbstractABSTRACTFuelisinflammableandexplosiveFuelspilloftenoccursduringthepetroleum，chemicalindustryproductionandtransportprocessesWhenfuelspills

2、，itoftenincursseriousfiresandevendisastersWidelyusedinthefieldofmilitary，chemicalandtransportation，aviationfueloftencausessignificanteconomiclossesandcasualties，becauseofitshazardscharacteristicssuchasfastburning，ferocio

3、usfireandhighradiantheatintensityAmongallkindsoffuelspilledfires，poolfiresunderwindyconditionsarethemostcommonSoit’SimportanttocarryoutresearchoncombustioncharacteristicsofaviationkerosenepoolfireunderwindyconditionExper

4、imentswerecarriedoutonselfmadeexperimentalequipment，whichwasbasedontheISO9705StandardRoomCombustioncharacteristicsofsquare，rectangularandcircularpoolfireswithdifferentsizeswerestudiedWindspeedrangesfrom0m‘s～to499m‘s～Thee

5、ffectofwindoncombustioncharacteristicssuchasHRRpeak，timeofHRRpeak，burningrateswasanalyzedTheresultsshowthat，underquiescentcondition，burningratesofsquarepoolfireincreaseswiththeincreaseofairflowspeedThedifferencebetweenex

6、perimentalburningratesandtheeStimatedvaluesdecreaseswiththeincreaseofpoolsidelengthsBesidestheburningratesofaviationfuelincreasewiththeincreaseofwindspeedTheexperimental氓m如Mclllvalueshavelinearrelationshipwithv／D，whichis

7、consistentwithpreviousresearchfindingsPlacefactorc‘wasdefinedtodescribetheimpactofairflowonrectangularpoolfires，whichhavethesameareaanddifferentaspectratiosandwaysofplacementTheresultsshowsthat，withtheincreaseofwindspeed

8、，thetimeofHRRpeakvaluesfirstincreasethendecreasewhena≥177，anddecreasewhen0‘≤1Whenadecreases，thevaluesofCOconcentrationpeakandproductionratehaveatendencytoincreaseThereisnoobviouseffectofwindonburningratesForcircularpoolf

9、ires，thecombustioncharacteristics，suchasHRRpeak，burningrate，extinctioncoefficientwasmeasuredTheeffectofwindspeedonHRRpeak，C02concentrationpeakandproductionrate，andtherelationbetweenextinctioncoefficientandHRRpeakwereanal