大型鋼制石油儲(chǔ)罐內(nèi)靜電分布規(guī)律的有限差分方法研究.pdf

1、中國(guó)石油大學(xué)（華東）碩士學(xué)位論文大型鋼制石油儲(chǔ)罐內(nèi)靜電分布規(guī)律的有限差分方法研究姓名：陳銀噸申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：無(wú)線電物理指導(dǎo)教師：關(guān)繼騰20090401ResearchonElectrostaticDistributionLawinLargeSteelStorageTankbyFiniteDifferenceMethodChenYindun(RadioPhysics)DirectedbyPro￡GuanJitengAbstract

2、SincethedemandforoilissteadilyontheincreasewiththerapidgrowthofglobaleconomysizesofstoragetankandtankfieldbecomelargerandlargerinthepastfewdecadesAtthemeantime，theproblemofelectrostaticpreventioncausedmoreandmoreattentio

3、nforvariouselectrostaticfireandexplosionofstoragetankhappenedfrequentlyTheworkpresentedinthisthesisfocusesontheproblemofelectrostaticpotentialdistributioninlargesteelstoragetankbythefinitedifferencemethodcombined謝tllstru

4、cturalcharacteristicsofstoragetankFivegoodresultswereobtainedasfollows，(1)Accordingtoelectrostatictheorycharacteristicsandjeopardizeofoilstaticelectricitywereanalyzed，theapproachtostudytheproblemofelectrostaticpotentiald

5、istributioninStoragetankwerediscussed，andanalyticalsolutionofelectrostaticpotentialdistributioninstoragetankwasdeducedusingseparationofvariables(2)Mathematicalmodelofelectrostaticpotentialdistributioninstoragetankwasbuil

6、t，numericalcalculationformulaWasdeducedwiththefinitedifferencemethodandoverrelaxationiterativemethodandMatlabcalculationprogramWaswrittenwhosevaliditywasverifiedbytheanalyticalsolution(3)Numericalcalculationonelectrostat

7、icpotentialdistributioninvegicalcylindricallargesteelstoragetankwasmade，theconditionofelectrostaticdistributioninstoragetankWasanalyzedquantitativelyintermsofelectrostaticpotentialdistributionandinfluenceofstoragetankand

8、oilparameteronelectrostaticpotentialdistribution(4)Dispersionandaccumulationlawofelectrostaticchargesinstoragetankwasstudiedduringtheprocessofoilbeingfilledintostoragetank(5)Dangerousconditionsofstaticelectricityinstorag