influence of piezoelectric atomizer pores on ultrasonic atomization effect

influence of piezoelectric atomizer pores on ultrasonic atomization effect

ID:39619889

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时间:2019-07-07

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1、2014SymposiumonPiezoelectricity,AcousticWaves,andDeviceApplications,Oct.30-Nov.2,Belting,CHINAINFLUENCEoFPIEZOELECTRICAToMIZERPoRESONULTRASONICATOMIZATIONEFFECTYan—daLANGl,2,.Jian.huiZHANGl1StateKeyLaboratoryofMechanicsandControlofMechanicalStructures,NanjingUniversityofAeronauticsandAs

2、tronautics,Nanjing210016,China2SchoolofEconomics,NanjingUniversityofFinance&Economics,Nanjing210046,China’Correspondingauthor,E-mail:langyanda@hotmail.corn;Tel.:86.187.24005747.Piezoelectricatomizingdevicehasextensiveapplicationinmanyfieldsandisbeneficialtopeople’slivelihood.Theareasofa

3、erospace,medicaiandhealth,energysavinghaveraisedahighdemandforatomizer.Therelationshipbetweengeometricparametersofatomizerporesandparticlesizeofatomizeddropletiscrucialthatwehaven’tknownyet.Inthisstudy,theauthormeasuredparametersofatomizerporescompletely,thendesignedexperimentstomeasure

4、theparticlesizeofatomizeddroplet.Statisticalcharacteristicparametersanddistributiontypesofporesweretestedaccordingtothedataanalysisandnonparametrictest:meanwhile,therelationcurvebetweenparticlesizeandstatisticalcharacteristicparameterswereanalyzed.Theresultsshowsasfollows,poresdiameterf

5、itsstandardnormaldistribution,particlesizeofatomizeddropletandupperporesaveragediameterispositivelycorrelatedunderacertainsprayheight,degreeoftaperangletogetherwithlowerporesaveragediameterhasnoobviousrelationwithparticlesizeofatomizeddroplet.Whenupperporesaveragediameteris7.92microns.p

6、articlesizeofatomizeddropletis7.52microns.Keywords:Piezoelectric;Atomization;Ultrasound;Pores;Taperangle1.INTRoDUCTIoNPiezoelectricatomizingdevicehasextensiveapplicationinmanyfieldsandisbeneficialtopeople’s1ivelihood.Theareasofaerospace,medicalandhealth,energysavinghaveraisedahighdemand

7、foratomizer.AircrafiTurbineEngine,fuelinjectionofreciprocatingengineusedinconstructionmachinery,foginhalationtherapy,fogpreparationusedforskingraftingprotectionandimmunization【l】,theseareexamplesofusingatomizingdeviceandmicronanometeriojection.Besides,the3Dprinterhasiustbeenunf

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