(磁开关参考)Magnetic Pulse Compression Techniques for Non-thermal Plasma Discharge Applications

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1、MagneticPulseCompressionTechniquesforNon-thermalPlasmaDischargeApplicationsD.M.BarrettQMTechnologiesAlbuquerque,NM87109Abstract-Theuseofnon-thermalplasmadischargehasemergedasatechniqueforthetreatmentofgaseouseffluentsI.INTRODUCTIONcontainingavarietyofhazardouscontaminantspecies

2、.SuchdischargesprovideenergeticelectronswhichcollidewithneutralIthasbeendemonstratedthatnon-thermalplasmaprocessescanbemoleculestocreatehighlyreactivefreeradicalscapableofeffectivelyusedtomodifyanumberofhazardouscompoundstherebyoxidizingthehazardouscompounds.Inmanycases,itisren

3、deringthemlessharmfultotheenvironment[l-41.Aprincipalnecessarytoexcitesuchdischargeswithhighvoltagewaveformsadvantageofnon-thermalplasmaprocessingisthatthemajorityofthehavingrate-of-risesof500-1000Vlns.Inanumberofenergyinvestedintheprocessisutilizedfortheaccelerationofdemonstra

4、tionswheretheeffectivenessofnon-thermalelectronswithoutsignificantlyheatingthebulkofthegas.Therefore,dischargeshavebeenshown,circuitsusingrotatingswitchesandchemicalreactionswhicharenormallyassociatedwithveryhighbulksparkgapswitcheshavebeenusedtoprovidetherequiredfasttemperatur

5、escanberealizednearroomtemperature.Thisisincontrastrisetimevoltagewaveforms.Suchswitchingdevicestendtohavetomanytreatmentprocessesinwhichasignificantamountofheatmustlimitedaveragepowercapabilitiesaswellaslimitedlifetimes.beaddedtotheprocesstoinitiatethedesiredreactions.Conseque

6、ntly,Therefore,suchdevicesgenerallydonotlendthemselvestonon-thermalplasmatreatmentofgaseouseffluentscanbesignificantlypracticalapplicationsinindustrialenvironmentswheirehighmoreefficientthanothertreatmentmethods.reliabilityandextendedlifetimesarerequired.Practicalapplicationofn

7、on-thermaldischargehingesuponprovidingOneplasmareactorconfigurationwhichisusefulinmanynon-cost-effective,reliableandscalablemethodsoffastrisetimepulsethermalplasmatreatmentapplicationsisthepulsedcoronareactorgenerationforsuchapplications.showninFig.1[3,4].Here,thepulsedcoronare

8、actorisdesignedasacoaxialstructureconsistingofanoutera