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1、《木炉工业》案例分析报告——第五小组《木炉工业》案例分析报告完成时间：2008年5月20日Data,ModelsandDecisionsCase3：TheWoodStoveIndustryWoodstoveshavebecomeincreasinglypopularforhomeheatingsincetheadventofhigherenergyprices.Inmanyurbanareaswherewoodstoveshavebecomepopular,theyhavecontributedtoloc
2、alairpollution,thusdrawingconsiderableattentionfromgovernmentalagencieschargedwithmonitoringairquality.Proposalshavebeenofferedtolegislativebodiesthatwoodstoves,likeautomobiles,requirepollutioncontroldevicesorstandards.Somemembersofthewoodstoveindustryhav
3、ebecomeconcernedthatimposedstandardsmightrequiredifficultandexpensivemodificationsthatwouldmaketheirproductslesscompetitiveinthemarketforhome-heatingequipment.Theclaimismadethatasubstantialreductionintheairpollutionproducedbyawoodstovecanbemadebyaslightmo
4、dificationofmoststovesandbyinformingwoodstoveusersofbettermethodsforoperatingtheirstoves.Asaresultofconcernsovertheimpactofsuchregulation,onewoodstovemanufacturerhasundertakenresearchtodeterminewhatproductoroperationalmodificationswouldminimizetheairpollu
5、tionproducedbyitsbrandofwoodstoves.Theresearchinvolvedthemeasurementofparticulatematter,asobservedbyaphotoelectriccell,shownbythegasesventingoutofawoodstovechimney.Thismethod,usedinconjunctionwithameasureofairflownoutofthestack,providedarelativemeasureofp
6、articulatematterintermsofthepercentageoflightblockedby(orpassingthrough)theventinggases.《木炉工业》案例分析报告——第五小组Sincethemanufacturer’sproductcouldbeusedwithtwosizesoffluepipe,theexperimentinvolvedvaryingtheairintakesetting(1/4,1/2,3/4,andfullopen)andthefluesize
7、,andmeasuringthetemperatureandtherelativelevelofparticulatematterexitingthestack.Theexperimentwasconductedbyfirstbuildingafireinthestoveandthenclosingthestoveandadjustingtheairintakevalvetotheappropriatelevel.Afterhalfanhour(toallowthefiretostabilizeatthe
8、setairflowlevel),measurementsoftemperatureandparticulatematterwererecorded,seetheaccompanyingtable.Analyzethesedatabythedevelopmentofanappropriatemultivariableregressionmodelrelatingrelativeparticulatematterconcentr
