基于CLSVOF方法的單液滴碰壁鋪展過程的模擬研究.pdf

1、北京交通大學碩士學位論文基于CLSVOF方法的單液滴碰壁鋪展過程的模擬研究姓名：王春海申請學位級別：碩士專業(yè)：工程熱物理指導教師：寧智201106英文摘要ABSTRACTFuelsprayirnpiIlgementphenomenonisahnostineVi飯bleiIllligllSpeed，li咖weightdieseleIlgineW弛舭eXpaIlsionof也escopeofdiseleng硫鋤dmefo鋤ulation鋤d

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3、瑪processofsinglesphericald】的pletiⅡlpingementll弱been咖dieduSingIIu吼ericalsimulationInenlodCLSVOFmedlodoftwophaSenowimefface缸ac村ngwaSa11alyzedNumericaJsimulationmemodof鉚。一p量lase玎owbaSedonCLSVOFmemodandCSFmodelwaSstIldiedNul

4、nericalsij【nulationmethodofwallw毗ingprocessb嬲edonCLSVOFmemodandW鋤gPengmodelw嬲咖diedBaSedontheprevious、№fkt11e刪mericals曲ulationmethodofspreadingprocessofdropletimpingementwaS鋤alyzcdandthcPSPDISproF鋤w勰established1kspreading

5、processofasiIlgledropletiIIlpactiI塢on幻homoeome肋icflatstaildesssteelwallwaSsinmlatiedand鋤ab，zed瑕ingPSPDISprogram，鋤ditsinnuenCefktorS袱黯studiedNumericalsimulationmemods觚dprogramsof鉚。一phasenow，wallwettiI瑪andspreadingofdrople

6、timpingementbaSedonCLSVOFm甜10dhavebeenobtaillednlro咄meworkofthjs刪clen’sfo硼dtl鋤，CLSVOFm甜10dillller砥theadvantagesofVOFmemod趾dLevelSetmethod，c鋤success血llyo刪met11eliIllitationofVOFmemod雒dLeVelSetmemodand刪izeprecisetr2LCkingo

7、fphaseinterf砬eofgas—liquid押舊一pk琚enowSpuriousclme1啦canberedllced孤dcalculationprecisionc鋤beenllancedby印plyCLSVOFmemodt0g懿一liquid鉚opl娜enowsiIIlulationDefectofW趾g—Pengmodelinfollowbackwettingprocessc趾beresoIVedt0acllieveprec

8、isesimulationofwettiIlgtllrou曲Inodelmodi母iIlgThespreadingprocessofdieseldr叩let咖ingementh弱sigmficamck呦cterofquaSiperiodicVibrationPhysicalp踟etersofg嬲鋤dliquid，wallpar鋤eters，llittingVeloci鑼haVeaIlea’ectonmespreadingprocesso

9、f出eseldroplettllrou曲ineniaforce，surf：犯etenSio瑪surface丘eeenergy鋤ditsSto瑚喀echamcteristicTheresearchresultscanprovidemeoreticalbausisforenridlingaIldapplyingCLSVOFmemod，forindepthstudyofsi】[nulationme也odofg嬲一liquidt、voplmse