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eonFluidFlowMeasurementinUnitedKingdom, 1975. BrannH. Statistikdersignaleherllhrungsloser8tr6mungssens ~ enUDiesertation]. InstltutfarMeBmadRegelungstechnik. Universit [t (TH) Karlsruhe, 1984 · BraunH, Fa8M,ugg boots günstig, SchneiderG. Theoryandapplicationofaualternativecorrelationflowmeter-ChemEngTechnol,tory burch, WeinhelmtFRO, 1987:353 ~ 360OntheGradientCorrelationMethodforTwo-phaseFlowRateMeasurementWangYimlng (BeljiugAgriculturalEngineeringUniversity, Beijing ~ 00083) ZhangBaofen (TsinghuaUniversity,tory burch shoes, Beijing100084) Abstract - Thegradientcorrelationmethodfornon-intrusivevelocityandflowratemeasurementintwo. -Phaseflowisinvestigated. Thetrueflowratesandmeanvelocitiescanhemeasuredbyevaluatingslopeofthecross-covariancefunctionofthesignalsofappropriatelydesignedoverlappingsensors-Thearraycapacitancesensorconsistedoffourpairelectrodesandameasuringcircuitconsistedofhighfrequencygenerator,ugg milano, impedance-voltageconverter, phase-sensitivedetector, low-passfilterandamplifieraredesigned. Acomplexcircuitwhichproducesspatialcorrelationsignalisalsodesigned. Atheoreticalmodelofgradientcorrelationmethodisderived. Byexperi'mentalresults, aseriesofcurvesoftheauto-correlation,tory burch sale, cross-correlation, cross-c0Tariancefunctionoftimeandspatialcross-correlationfunctionhavebeenobtained. Theanalysesindicatethatthearraycapacitancesensorandmeasuringcircuitcaneffe-ctivelydetectthegradientcorrelationsigna1. Thisapproachmakesitpossibletomeasurethevelocityandmassflowrateinpneumaticconveyers · Keywords: Gradientcorrelation; Measurementintwo-phaseflow; Arraycapsci-tancesensor 相关的主题文章： ugg prezzo Structure of six dimensional force sens ugg milano Moving the rotor bearing axial string i tory burch sale Polyurethane damping materials and |
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