SWIMMING PERFORMANCE ANALYSIS FOR ANGUILLIFORM PROPULSION

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摘要 Thispaperinvestigatestheswimmingperformanceoffishundulatorymotionwhichisthebasicforminlocomotionofaquaticalanimalfromahydrodynamicspointofview.Inparticular,thepropulsivecharacteristicsisdiscussed.Thethree-dimensionalpotentialflowoveramodelrectangularflexibleplateperformingthemotionwhichconsistsofaprogressivewaveofagivenwavelengthandphasevelocityalongthechordistreated.Vortexringmethodisusedtocalculatethethrust,thepowerrequiredandthehydrodynamicpropulsiveefficiency,etc.Thedependenceoftheseenergeticsoncertainphysicalparameters,suchastheaspectratio,thereducedfrequencyandthewavenumber,isdiscussed.Itisfoundthatasthewavetengthgetsclosetothebodylength,propulsiveperformanceisnolongersensitivetotheaspectratio.Somequalitativeexplanationofthefishswimmingphenomenaisalsogiven.
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出版日期 1989年04月14日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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