燃烧器墙式布置锅炉燃烧器区域湍流特性研究

35220032JOURNALOFHARBININSTITUTEOFTECHNOLOGYVol135No12Feb.,20031,2,2,2,2(1.,150080;2.,150001):,PDA,,,,.,;,,.:;;PDA:TK224:A:0367-6234(2003)02-0210-04Experimentstudyonturbulencecharacteristicsinburnerregionofburnerson-wallarrangementboilerLUWei1,LIRui2yang2,ZHAOYu2xiao2,WANGShi2jun2,QINYu2kun2(1.ThermalEnergyandPowerEngineering,HarbinUniversityofScienceandTechnology,Harbin150080,China;2.SchoolofEnergyScienceandEngineering,HarbinInstituteofTechnology,Harbin150001,China)Abstract:Inordertosolvetheproblemofslagformedontheheat-transfersurfaceinasixcornerstangen2tiallyfiredboiler,PhaseDopplerAnemometer(PDA)gas-solidtwo-phasemeasuretechnologywasap2pliedtothesixcornerstangentiallyfiredboiler,andtheprimaryairandsecondaryairoftopburnerwerechangedtoahomocentrictwotangentialcirclesarrangementformthroughtheoreticanalysis,andthetur2bulencecharacteristicsintheburnerregionwasstudiedthroughcoldexperimenttoidentifythecauseforslag.Thecomparisonoftheinitialcasewiththeimprovedcaseshowedthattheimprovedcasecompensatedtheperformancescarcityofthesixcornerstangentiallyboilertosomeextent.Moreover,adoptinghomo2centrictwotangentialcirclesofprimaryairandsecondaryairproperlycouldimproveturbulencecharacteris2ticsinfurnaceeffectively,thus,slagiscontrol.Keywords:sixcornerstangentiallyfiring;turbulencecharacteristics;PDA:2002-07-05.:().:(1963-),,,;(1932-),,,,.,,.,,.,,[1],,.,©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[2].,,.2/3(1).1#,2#.1#2#,00,.,-,.1,,.,,,,,,.Prantal,[3,4].251#00.,.,,,,,.,.,.100m,,...3,;().,.2#0067.,,,.1#,,,,,,,.891#00.23,,,,,,,;,,,1122,:©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:[1],,.[M].:,1987.[2],.PDPA[J].,2001,52(6):490-494.[3]FRANCISCOG,SANTOSCR.Transitiontoturbu2lenceintheReynoldsexperiment[J].PhysicaA,2001,297(1-2):73-78.[4],.[M].:,1993.()(209)4(1),,.(2),.:[1]JOHNEB,WILLIAMLW.Configurationofau2tonomouswallkersforextremeterrain[J].TheInterna2tionalJofRoboticsResearch,1993,12(6):535-559.[2]BEKKERMG.Thedevelopmentofmoonrover[J].JournaloftheBritishInterplanetarySociety,1985,38:537-543.[3],,.[J].,2000,29(3):12-13.[4],,,.[J].,1999(1):3-8.[5].[J].,1995,27(3):376-381.()3122,:©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.