旋流燃烧器中沈淡气固两相流的数值模拟及实验研究的开题报告.docx

旋流燃烧器中沈淡气固两相流的数值模拟及实验研究的开题报告

Title:NumericalSimulationandExperimentalStudyofDiluteGas-SolidTwo-PhaseFlowinCycloneCombustor

Background:

Cyclonecombustorsarewidelyusedinindustrialprocessesfortheirefficientcombustionandseparationofsolidparticlesintheexhaustgas.However,thecomplicatedflowpatternandtheinteractionbetweengasandsolidparticlesmakeitdifficulttooptimizetheperformanceofthecyclonecombustors.Therefore,itisnecessarytoconductacomprehensivestudyontheflowcharacteristicsofdilutegas-solidtwo-phaseflowincyclonecombustors.

Objectives:

Themainobjectivesofthisstudyare:

1.Toestablishacomputationalfluiddynamics(CFD)modelofdilutegas-solidtwo-phaseflowincyclonecombustors.

2.Toinvestigatetheeffectsofinletparameters(velocity,temperature,andconcentration)andgeometricalparameters(diameter,height,andangle)ontheflowcharacteristicsofthegas-solidtwo-phaseflow.

3.TovalidatetheCFDmodelthroughexperimentsonalab-scalecyclonecombustor.

Methodology:

Thefollowingmethodologywillbeusedinthisstudy:

1.Literaturereviewtoassessthecurrentknowledgeandidentifytheknowledgegaps.

2.DevelopmentofaCFDmodelofdilutegas-solidtwo-phaseflowincyclonecombustorsusingANSYSFluentsoftware.

3.Numericalsimulationofgas-solidtwo-phaseflowincyclonecombustorsundervaryinginletandgeometricalparameters.

4.Experimentalinvestigationoftheflowcharacteristicsofdilutegas-solidtwo-phaseflowinalab-scalecyclonecombustor.

5.ValidationoftheCFDmodelusingexperimentaldata.

6.Analysisofthesimulationandexperimentaldatatoestablishcorrelationsbetweeninlet,geometricalparametersandflowcharacteristics.

ExpectedOutcomes:

Theexpectedoutcomesofthisstudyare:

1.Acomprehensiveunderstandingoftheflowcharacteristicsofdilutegas-solidtwo-phaseflowincyclonecombustors.

2.AvalidatedCFDmodelofgas-solidtwo-