论文期刊

Kinematic modeling, analysis and test on a quiet spherical pump




作者: Dong Guan, Jiu Hui Wu, Li Jing, Harry H Hilton, Kuan Lu
发表/完成日期: 2016-08-09
期刊名称: Journal of Sound and Vibration
期卷: Vol.383, 2016
相关文章: Kinematic modeling, analysis and test on a quiet spherical pump.pdf   
论文简介
In thispaper,designandmodelingofanovelsphericalpumpareundertaken.Bothsound
and vibrationpropertiesofthepumparestudiedexperimentally.Theworkingmechanism
of thepumpisanalyzed firstly,andthenstructuraldesignandkinematictheoryare
modeledbyusingtwodifferentcoordinatesystems.Nonlinearkinematicconstraint
equationsaredevelopedusingageneralizedcomputationalmethodforspatialkinematic
analysis.Theseequationsaresolvedtoyieldthedisplacement,angularvelocityand
accelerationpropertiesofmotionpartswithdifferentstructuralparameters.Soundand
vibration characteristicsofthesphericalpumpandtraditionalsolenoidpumpsarestudied
experimentallyatdifferentrotatingspeedsof1000,1500,2000,2500and3000rev/min.
Resultsindicatethatsoundpressurelevelsoftheproposedsphericalarereducedto
40.7dB(A),whichare11.1dB(A)lowerthanthetraditionalsolenoidpump's51.8dB(A)at
the ratedoperatingconditions.Thesoundspectraareanalyzedindetailinorderto
investigatethecauses,whicharestructuralpatternandworkingmechanisms.Thepro-
posedsphericalpumphasmanyadvantagesandcanbeutilizedasasubstituteforother
pumpsinsomespecial fields, suchashospitalfacilitiesandhouseholdappliances.