基于兩種常規(guī)儀表的濕氣流量測量技術(shù)研究.pdf

1、吖3|f天津大學(xué)碩士研究生畢業(yè)論文Y850085基于兩種常規(guī)儀表的濕氣流量測量技術(shù)研究StudyoftheWetGasMeasurementTechniqueBasedOilTwoTraditionalFlowmeters(申請碩士學(xué)位)專業(yè)拴型掛盔自動氈裝量研究生魏鳴指導(dǎo)教師韭洼教援天津大學(xué)電氣與自動化工程學(xué)院二零零四年十二月ABSTRACTABSTRACTGas—liquidtwo—phaseflowisacommonflowsys

2、temintheindus臺MprocessWjtgas，asakindofgas—liquidtwo—phaseflowiswidelyusedinpetroleum，chemicalandenergyindustryThemeasurementofwetgasparameters，suchasflowrate，voidfunction，isbecominganincreasinglyimportanttechniqueCurrent

3、lywetgasmeteringisstilladevelopingtechnologyNometerdesignhasyettoproveitselftobecapableofmeteringwetgasflowstotheaccuracydesiredbyindustryTraditionalseparatordifferentialpressuresmeterandmultiflowmeterscombinationmethodp

4、redominateinwetgasmeteringTheforeignresearchershavemadegreatachievementsinwetgasmeteringusingcombinationmethodtheseyears，butthedomesticresearchinthisfieldisrareInthisdissertation，theauthorstudiedmainlythemethodforthewetg

5、asmeteringbasedonthecombinationofVenturitubeandVortexmetersIntheresearch，thefollowingachievementshavebeenmade1AnovelmethodforthewetgasmeteringwiththecombinationofVenturitubeandVortexmetersispresentedforthefirsttime，andpr

6、oblemsneedtobesolvedareanalyzed2ThecorrelationsbetweenthedifferentialpressureoftheconstrictionsegmentofVenturitube，frequencysignalofVortexmetersandparametersofgasliquidtwo—phaseflowareconstructedbasedoncomparisonamongmet

7、hodsofwetgasmeteringwithdifferentialpressuremeters3TheflowmodelatVenturitubeexitisemulatedusingFLUENTandtheresultprovesthemodelaccordswiththehomogeneousflowmodel4Aspecimendeviceisdevelopedandawetgasmeteringequipmentbased

8、oncombinationofVenturitubeandVortexmetersiSconstructedTheVenturitubeiSdesignedundertheIS05167(2003)standardandthetransformerbasedonM：SP430signalprocesssystrm5Asimulationexperimentisfinishedwi也thespecimendeviceTheresultte