1、中國石油大學(xué)（華東）碩士學(xué)位論文熱虹吸管在采油中的應(yīng)用研究姓名：王永勝申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：化工過程機(jī)械指導(dǎo)教師：仇性啟20090501AppliedResearchoftheThermosiphoninProductionWangYongSheng(ChemicaIMechanics)DirectedbyProfQiu)(ing—qiAbstractHeatpipeisahighheattransferunitwithhighthe
2、rmalconductivityandgoodhomoisothermalqualityithasbeenwideusedinheattransferandenergysavingIntheexploitationofcrudepetroleumandhighviscosityoil，raisingthetemperatureoftheoiltodecreaseitsviscosityisveryimportantlyinlifting
3、processBymeansofanalyzingtheheattransfercharacterofthermosiphon，relationshipbetweentemperatureandviscosityaffectionofwellborehomoisothermalqualityt0itsthermalloss，weplantesearchtheusingofthermosiphoninoilliftingprocessBy
4、infinitesimalmethod，cycliciterativemethod，andVisualBasicprogram，wefindoutthedistributionofthecrudepetroleumstemperaturewhenthermosiphonisusedinwellbore。Theanalyseistestedtoberightinexperiment，thenweconsidertheactualcondi
5、tionsandprogrammingit，wecangetconclusionsasbelow：thesmallertheinfmitesimalis，theclosertothetruevalue；thecoefficientofheattransferbetweencrudepetroleumandlayerisrelatedtothethermallossofwellbore，thebiggerthecoefficientis，
6、themorethethermallossis；whenthecoefficientofheattransferbetweencrudepetroleumandthermosiphonisnotverybig，enhancethecoefficientcanbeobviousinimprovingthedistributeofthecrudepetroleum’Stemperature，butifthecoefficientreacha
7、quitehighvalue，theaffectisnotveryobvious；thethermosiphonmayreachtheentrainmentultimatewhenitistoolongandthedensityofheatflowrateinradialdirectionissmall。Keyword：thermosiphon；viscositybreakofhighviscosityoil；coefficientof