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仿生织构表面减阻的研究进展.docx

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仿生织构表面减阻的研究进展 Title:ResearchProgressonBiomimeticSurfaceStructuresforDragReduction Abstract: Thestudyofbiomimeticsurfacestructuresfordragreductionhasattractedincreasingattentioninrecentyearsduetoitspotentialapplicationsinvariousindustries.Thispaperaimstoprovideanoverviewoftheresearchprogressmadeinthisfield.Itbeginswithanintroductiontotheconceptofdraganditssignificanceinengineering.Subsequently,thepaperdiscussestheprinciplesandmechanismsofdragreductioninspiredbynatureandpresentsvariousbiomimeticsurfacestructuresthathavebeendevelopedtoreducedrag.Thereviewhighlightsthekeyfindingsandcontributionsofrelevantstudies,includinginnovativefabricationmethods,characterizations,andevaluationsoftheperformanceofbiomimeticsurfacestructures.Moreover,thechallengesandprospectsoffurtherresearchinthispromisingareaarealsodiscussed.Overall,biomimeticsurfacestructuresprovideexcitingopportunitiesfordragreductionandhaveshowngreatpotentialforimplementationinvariouspracticalapplications. 1.Introduction Dragisaforcethatopposesthemotionofanobjectthroughfluid,whichcansignificantlyaffecttheperformanceandenergyefficiencyofvariousengineeringsystems,suchasaerospace,marinetransportation,andautomotiveindustries.Thestudyofdragreductionhasthereforebecomeacrucialresearcharea,aimingtodevelopefficientstrategiestominimizedragandimproveenergyefficiency. 2.BiomimeticDragReduction 2.1PrinciplesandMechanisms Natureprovidesnumerousexamplesofefficient,streamlineddesignsthathaveevolvedtominimizedrag.Birds,fishes,dolphins,andotheraquaticorganismshavedevelopeduniqueadaptationsthatallowthemtonavigatethroughfluidenvironmentswithminimalresistance.Inspiredbythesebiologicalstructures,researchershavebeenexploringtheprinciplesandmechanismsunderlyingdragreduction.Theseincludefeaturessuchasriblets,microgrippers,andribbedsurfacesthatinfluencetheboundarylayeroftheflow,reducingflowseparationandturbulencegeneration. 2.2BiomimeticSurfaceStructures Thissectionreviewsvariousbiomimeticsurfacestructuresthathavebeendevelopedandtestedfort