欢迎来到天天文库
浏览记录
ID:36427136
大小:6.58 MB
页数:189页
时间:2019-05-10
《炉内弥散介质辐射传递特性及燃烧过程优化控制研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、浙江大学博士学位论文炉内弥散介质辐射传递特性及燃烧过程优化控制研究姓名:黄群星申请学位级别:博士专业:工程热物理指导教师:池涌;严建华20050601浙江大学博士学位论文Abstr。actAstheworldeconomicgrowing,energyandenvironmentproblemshavebeenmoreseriousthaneverespeciallyforourdevelopingcountries.Astheprimarycoal·firingpowerplantboilermodel,300MWecomer-firingtangentialboilersh
2、avebeenthemainlyfossilfuelconsumerandaircontaminationsproducer.Thestability,efficiencyandsafetyoperationoftheboilercombustionprocessiSall-importantforoBrcountry’Scontinualeconomicdevelopment.Duringthelastseveralyearsmanyopticalmeasurementandanalysistechniqueshavebeenin拄oducedfornon-invadeboi
3、lerinternalcombustionprocessdiagnostic,suchasboiler-section-temperaturedistributionreconstructionbasedonflameimages.AndalsosomeartificialinteUigencetechniqueshavebeenusedforeombustionoptimizingsuchasneuralnetworksandetc.Theobjectofthispaperistoestablishanexpertsystemforboilercombustionoperat
4、ionoptimizingbasedontheradiativepropertyoftheboilerinsideparticulatemediaintegratedwitllboileroperationparameterssuchasboiler10ad,drumpressureandalSO.ThetadiativepropertyoftheSOlidparticlesinsidetheboilerwerecalcutatedanddiscussedbasedonRayleighandMiescatteringtheories.Theaffectionofthecompl
5、exrefractiveindexfordifierentradiusdistributionparticlecloudswasanalysis.Thebandmodelandline-by-linemodelhavebeenusedtocalculatedtheabsorptioncoefficiemofmoleculargases,andalSOthetemperatureandpressuresbandwideneffectwerediscussed.Basedonthediscussedresults.multi-wavelengthextinctionmethodin
6、tegratedwithmodifiedevolutionprogramWasprovidedforparticlesradiusdistributionsizing.AndadiodetunablelaserdetectorWaSusedtomeasurethegasconcentrationbygasmolecularspectrum-Iinebroadenmechanism.InthiSpaper.thebackwardMonteCarlomethodwasimprovedtoanalysisthetadiativeintensityreceivedbythedetect
7、orloeatedattheboilerwatercoolerwallsbasedontheoutrIutoftheCFDsimulationTheBPneuralnetwork’Sfastmappingtechniquesandinterpolatedfilteredbackprojectionalgorithmwereintroducedforon·linesectiontemperature.distributiondiagnostic.Inthispaperanexpertsyste
此文档下载收益归作者所有