摘要
Anovelopticalinstrumentationsystemforflamecharacterizationwasdevelopedandtested.Thetwo-colorsystemiscapableofperformingon-linemeasurementofflameandtemperaturedistribution,providingtemporalandspatialcharacterizationofthecombustionprocess.Inaddition,thesystemhastheadvantageofbeingnon-intrusive.Theon-linemeasurementoftemperaturedistributiononamethane-aircombustorrevealedsomeinterestingcharacteristics.Whenairflowratewaskeptconstant,anincreaseinCH4flowratewouldenhancethecombustionintensityandelevatetheflametemperature.WhileunderconstantCH4flowrate,theincreaseofairflowratewouldleadthemeasuredflametemperaturefirsttoincreaseandthendecrease.Thedropoftemperaturemightpartiallybecausedbytheheatlossesduetoexcessiveair.However,withinsufficientsootparticlesintheflame,thetemperaturecouldbeunder-evaluated.
出版日期
2002年04月14日（中国期刊网平台首次上网日期，不代表论文的发表时间）
