aerodynamic loads and wake flow features of low aspectratio triangular prisms at different wind dir.docx

aerodynamic loads and wake flow features of low aspectratio triangular prisms at different wind dir.docx

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aerodynamicloadsandwakeflowfeaturesoflowaspectratiotriangularprismsatdifferentwinddir

shadowtomodelaerodynamicresistanceandflowseparation:

Anisotropicstudy  OriginalResearchArticle

AtmosphericEnvironment

Areviewofwindenergytechnologies  ReviewArticle

RenewableandSustainableEnergyReviews

aerodynamicforcesandpressuresonsquareplanbuildingswithheightvariations  OriginalResearchArticle

JournalofWindEngineeringandIndustrialAerodynamics

transientaerodynamiccharacteristicsaroundvansrunningintoaroadtunnel  OriginalResearchArticle

JournalofHydrodynamics

Aerodynamicfocusinginspatiallyperiodicflows:

Two-dimensionalsymmetricandantisymmetricchannels  OriginalResearchArticle

JournalofAerosolScience

multi-productmanufacturinglineswiththeconsiderationofproductchangedependentinter-tasktimes,reducedchangeoverandmachineflexibility  OriginalResearchArticle

JournalofManufacturingSystems

Aerodynamicdispersionofcohesivepowders:

Areviewofunderstandingandtechnology  OriginalResearchArticle

AdvancedPowderTechnology

cruisecontrol（ACC）limitsvisible  OriginalResearchArticle

InternationalJournalofHuman-Computer

Previousstudieshaveshownadaptivecruisecontrol（ACC）cancompromisedrivingsafetywhendriversdonotunderstandhowtheACCfunctions,suggestingthatdriversneedtobeinformedaboutthecapabilitiesofthistechnology.Thisstudyappliesecologicalinterfacedesign（EID）tocreateavisualrepresentationofACCbehavior,whichisintendedtopromoteappropriaterelianceandsupporteffectivetransitionsbetweenmanualandACCcontrol.TheEIDdisplayrevealsthebehaviorofACCintermsoftimeheadway（THW）,timetocollision（TTC）,andrangerate.ThisgraphicalrepresentationusesemergentfeaturesthatsignalthestateoftheACC.Twofailuremodes—exceedanceofbrakingalgorithmlimitsandsensorfailures—wereintroducedinthedrivingcontextsoftrafficandrain,respectively.Amedium-fidelitydrivingsimulatorwasusedtoevaluatetheeffectofautomation（manual,ACCcontrol）,anddisplay（EID,nodisplay）onACCreliance,brakeresponse,anddriverinterventionstrategies.DriversintrafficconditionsreliedmoreappropriatelyonACCwhentheEIDdisplaywaspresentthanwhenitwasnot,proactivelydisengagingtheACC.TheEIDdisplaypromotedfasterandmoreconsistentbrakingresponseswhenbrakingalgorithmlimitswereexceeded,resultinginsafefollowingdistancesandnocollisions.Inmanualcontrol,theEIDdisplayaidedTHWmaintenanceinbothrainandtrafficconditions,reducingthedemandsofdrivingandpromotingmoreconsistentandlessvariablecar-followingperformance.Theseresultssuggestthatprovidingdriverswithcontinuousinformationaboutthestateoftheautomationisapromisingalternativetothemorecommonapproachofprovidingimminentcrashwarningswhenitfails.Informingdriversmaybemoreeffectivethanwarningdrivers.

ArticleOutline

1.Introduction

1.1.EIDforadaptivecruisecontrol

1.2.Purpose

2.Method

2.1.Participants

2.2.Apparatus

2.3.Drivingenvironmentoverview

2.4.Drivingtask

2.5.Adaptivecruisecontrol

2.6.Experimentaldesign

2.7.Procedure

2.8.Dependentvariables

3.Resultsanddiscussion

3.1.Automationreliance

3.2.Driverintervention

3.2.1.Clusteranalysisofinterventionstrategies

3.3.BenefitsofEIDinmanualcontrol

3.4.Secondarytaskperformance

3.5.Limitations

4.Conclusion

Acknowledgements

References

densityofnon-sphericalparticlesasderivedfromcombinedmeasurementsofaerodynamicandmobilityequivalentsize  OriginalResearchArticle

JournalofAerosolScience

aerodynamicforcesonacircularcylinderinlinearshearflowatsubcriticalReynoldsnumber  OriginalResearchArticle

JournalofFluidsandStructures

AerodynamicloadscalculationandanalysisforlargescalewindturbinebasedoncombiningBEMmodifiedtheorywithdynamicstallmodel  OriginalResearchArticle

RenewableEnergy

TheaerodynamicloadsforMWscalehorizontal-axiswindturbinesarecalculatedandanalyzedintheestablishedcoordinatesystemswhichareusedtodescribethewindturbine.Inthispaper,thebladeelementmomentum（BEM）theoryisemployedandsomecorrections,suchasPrandtlandBuhlmodels,arecarriedout.BasedontheB-Lsemi-empiricaldynamicstall（DS）model,anewmodifiedDSmodelforNACA63-4xxairfoilisadopted.Then,bycombingBEMmodifiedtheorywithDSmodel,asetofcalculationmethodofaerodynamicloadsforlargescalewindturbinesisproposed,inwhichsomeinfluencefactorssuchaswindshear,tower,towerandbladevibrationareconsidered.Theresearchresultsshowthatthepresenteddynamicstallmodelisgoodenoughforengineeringpurpose;theaerodynamicloadsareinfluencedbymanyfactorssuchastowershadow,windshear,dynamicstall,towerandbladevibration,etc,withdifferentdegree;thesinglebladeenduresperiodicalchangingloadsbutthevariationsoftherotorshaftpowercausedbythetotalaerodynamictorqueinedgewisedirectionareverysmall.Thepresentedstudyapproachofaerodynamicloadscalculationandanalysisisoftheuniversity,andhelpfulforthoroughresearchofloadsreductiononlargescalewindturbines.

ArticleOutline

1.Introduction

2.Coordinatesystemsforwindturbines

3.Calculationmodelsofbladeaerodynamicloads

3.1.CorrectionsforBEMtheory

3.2.Dynamicstallmodel

3.2.1.Unsteadyattachedflow

3.2.2.Trailingedgeseparatedflow

3.2.3.Vortexinducedair-loads

3.2.4.Verificationofdynamicstallmodel

3.3.Aerodynamicloadsmodel

4.Calculationresultsanalysis

5.Conclusions

Acknowledgements

Glossary

References

thermodynamicandaerodynamiclossesinnucleatingsteamflow  OriginalResearchArticle

InternationalJournalofHeatandMassTransfer

Reliabilitymodelingandanalysisofserial-parallelhybridmulti-operationalmanufacturingsystemconsideringdimensionalquality,tooldegradationandsystemconfiguration  OriginalResearchArticle

InternationalJournalofProductionEconomics

Flexibilityinmanufacturingsystems:

Arelationalandadynamicapproach  OriginalResearchArticle

EuropeanJournalofOperationalResearch

Machineconfigurationselectionhasagreatimpactonthesystem-levelreliabilityofamanufacturingsystem,whiletheabsenceofproperconsiderationoftheproductqualityandthetooldegradationontoolfailurewhendeterminingthemachine-levelreliabilityislikelytoresultinunanticipatedmachinedowntimesorinappropriatemaintenancedecisions.Agenericmethodologyisthusdevelopedtoincorporateboththemachine-levelandthesystem-levelreliabilityanalyses.Firstly,themachine-levelreliabilityisinvestigatedbasedontheproductdimensionalqualityandthetooldegradation.Anovelmachine-levelqualityreliability-integratedmodelisdevelopedtoaddresstheinteractionbetweenproductqualityandtoolreliability.Thedevelopedmachine-levelreliabilitymodelisthenusedtoestimatethesystem-levelreliabilityforamanufacturingsystemwithselectedconfigurations.Varioushybridconfigurationsofthemulti-operationalmanufacturingsystemareinvestigatedintermsofthesystem-levelreliability.Theanalyticalprocedureandtheeffectivenessoftheproposedmethodologyaredemonstratedthroughanexampleofaserial-parallelhybridsystemforcylinderheadgasketmachining.

ArticleOutline

1.Introduction

2.Assumptionsandnotations

2.1.Assumptions

2.2.Notations

3.Machine-levelreliabilitymodelingandanalysis

3.1.Productqualityandtooldegradation

3.2.Qualityandreliabilityinteraction

3.3.Machine-levelreliabilitymodelingconsideringproductqualityandmanufacturingsystemcomponentdegradation

4.System-levelreliabilitymodelingandanalysis

4.1.Reliabilityofdifferentconfigurations

4.2.Reliabilitymodelingandanalysisofhybridconfiguration

5.Casestudy

6.Concludingremarks

Acknowledgements

AppendixA.Appendix

References

minimizingmeanflowtimeinFMSswithroutingflexibility:

Threshold-basedalternaterouting  OriginalResearchArticle

EuropeanJournalofOperationalResearch

Predictionofaerodynamicdiameterofparticleswithroughsurfaces  OriginalResearchArticle

PowderTechnology

Adjoint-basedaerodynamicshapeoptimizationonunstructuredmeshes  OriginalResearchArticle

JournalofComputationalPhysics

controlstrategiesofanFMSunderdifferentscenarios  OriginalResearchArticle

RoboticsandComputer-IntegratedManufacturing

Thispaperpresentsasimulationstudyaimedatevaluatingtheperformancesofaflexiblemanufacturingsystem（FMS）intermsofmakespan,averageflowtime,averagedelaytimeatlocalbuffersandaveragemachineutilization,subjecttodifferentcontrolstrategieswhichincluderoutingflexibilitiesanddispatchingrules.Theroutingstrategiesunderevaluationare‘noalternativeroutings’;‘alternativeroutingsdynamic’;and‘alternativeroutingsplanned’.Aboveroutingstrategiesarecombinedwithsevendispatchingrules,andstudiedindifferentproductionvolumewhichvariesfrom50to500parts.Inaddition,impactsofbothinfiniteandfinitelocalbuffercapacitiesareanalyzed.SinceanFMSusuallydealswithavarietyofproducts,effectsofchangingthepartmixratioarealsodiscussed.Finally,machinefailureisalsointroducedinthisresearchtostudytheeffectsofmachinereliabilityonthesystem.Simulationresultsindicatethatthe‘alternativeroutingsplanned’strategyoutperformsotherroutingstrategiesifthelocalbuffersizeisinfinity.However,thereisnoparticulardispatchingrulethatperformswellinallbuffersizesettingsbutinfinitybuffers