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《A Solution to Identification of Oil Storage Tank Displacement and Calibration Table of Tank Capacity 英語論文》由會員上傳分享，免費在線閱讀，更多相關內(nèi)容在學術論文-天天文庫。
1、ASolutiontoIdentificationofOilStorageTankDisplacementandCalibrationTableofTankCapacityAbstractWhenstudyingtheproblemofundergroundoilstoragetankdisplacement,weusemicro-elementmethodandtheprincipleofequaleffectstoestablishamathematicalmodelabouttheidentificat
2、ionofoilstoragetankdisplacementandthecalibrationtableoftankcapacity.Asaresult,weachievethetankdipandthecalibrationtableoftankcapacity.Forthefirstproblem,weworkoutthevolumeofeachpartbyusingintegrationaftercuttingthetiltedtankintotworegularparts.Thenwecangett
3、herelationshipbetweentheheightsandthereservesinthetiltedtank,wecanalsowokoutthecalibrationtableoftankcapacity.Sincetheexpressionoftherelationshipbetweentheheightsandthereservesissocomplex,weuseasimplymultinomial(aunitaryfunction)insteadthecomplexexpressionc
4、onsideringtheengineeringcalculation.Forthesecondproblem,thetanktransversedisplacementdoesnothaveeffectsontheoilshapeinthetankbecausethebodyshapeoftheoilstoragetankiscylinder,sotheprocesswhichbesimultaneousverticaltiltinthehorizontaldeflectionisequivalenttot
5、woprocesses,asifthehorizontaldeflectionoccursafterthetankhasbeentiltedintheverticaldirection.Afterusingthemethodofsegmentation,combinationandcalculus,wepresentaapproximatecalculationexpressionbasedoncompensationprinciple;buttheexpressionjustpointstherelatio
6、nbetweenoilreservesandtheheightintheverticaltiltdirection.Thenfindingouttherelationbetweenthefinaloillevelheightandtheheightinthehorizontaldeflectiondirection,whichisonthebasisoftheirgeometricalrelationship,wegetthefinalexpressionbetweentheoilreservesandthe
7、finalheight,thelongitudinalandtransversegradientdeflectionangle.Afterwardsthestandardlibrarytablecanbeestablishedtocontainbothverticalandhorizontalangleasprojects,therelationshipbetweentheoilreservesandthefinaloillevelheightbasedtheexpression.Accordingtothe
8、standardfunctionlibrarytable,wefindthattheverticalangleisabout5°andthehorizontalangleisabout7°whencomparedthecurvefittedbythegivendatawiththefunctionsinthestandardtable.Atlast,weworkoutcalibrationtable
