流体力学中科大 英文版

FluidMechanics Introduction AboutmeAboutthecourseScopeHistoryUnit Teacher Name XishengLuoContact3601951 360124213866682799xluo xsluo QQ 1017414546CV 8905 9406S TUE RWTH USTC Golfball smoothorrough Car changeofshape 0 8 Car 0 6 0 45 Car 0 3 0 2 0 137 Airplane lift Textbook 高等教育出版社丁祖荣流体力学 上中清华大学出版社张兆顺崔桂香流体力学北京大学出版社吴望一流体力学中国科学技术大学童秉纲等流体力学 Schedule IntroductionPropertiesKineticsDynamicsDimensionlessStaticsPotentialflowViscousflowCompressibleflowTrend Requirement ListenExerciseExamQuestion ScopeofFluidMechanics 1 Fluids gasesandliquids waterandairmostprevalentindailyexperience Examples Flowinpipesandchannels airandbloodinbody Airresistanceordrag windloading Projectilemotion jets shockwaves Lubrication combustion Irrigation sedimentation Meteorology oceanography ScopeofFluidMechanics 2 Usedinthedesignof Watersupplysystem wastewatertreatment Damspillways valves flowmeters Shockabsorbers brakes automatictransmissions ships submarines breakwaters marinas Aircrafts rockets computerdiskdrives Windmills turbines pumps HVACsystems Bearings artificialorgans Sportitems Golfballs YatchsRacecars hangglidersSurfboards Asfishhabitat Forreptilehabitat Formammalshabitat Forinsectstowalkonasurface Inriversandstreams Atornado anatmosphericvortex Airtobreathe Mixing asinsoups Airasatransportationmean Watersurfaceforboating Flowofairaroundcars Gasesusedaspropulsionagents Airresistancetoslowdownalanding Smokefromhomesorindustries Historicaldevelopment 1 Ancientcivilizations irrigation ships AncientRome aqueducts baths 4thcenturyB C AncientGreece Archimedes buoyancy 3rdcenturyB C Leonardo 1452 1519 experiments researchonwaves jets eddies streamlining flying Historicaldevelopment 2 Newton 1642 1727 lawsofmotion lawofviscosity calculus 18thcenturymathematicians solutionstofrictionlessfluidflows hydrodynamics 17th 18thcenturyengineers empiricalequations hydraulics Late19thcentury dimensionlessnumbers turbulence Historicaldevelopment 3 Prandtl 1904 proposesideaoftheboundarylayer Flowfieldsoflow viscosityfluidsdividedintotwozones Athin viscosity dominatedlayernearsolidsurfaces Aneffectivelyinviscidouterzoneawayfromboundaries Explainsparadoxes Allowanalysisofmorecomplexflows 20thcentury hydraulicsystems oilexplorations structures irrigation computerapplications Historicaldevelopment 4 Beginningof21stcentury Nocompletetheoryforthenatureofturbulence Stillacombinationoftheoryandexperimentaldata References Rouse Ince HistoryofHydraulics Dover NY1963 Rouse HistoryofHydraulicsintheUnitedStates 1776 1976 UofIowa 1976 Levy E ElAguaSegunlaCiencia CONACYT Mexico 1989 FluidMechanicsOverview Gas Liquids Statics Dynamics Air He Ar N2 etc Water Oils Alcohols etc Viscous Inviscid Steady Unsteady Compressible Incompressible Laminar Turbulent Flows Compressibility Viscosity VaporPressure Density Pressure Buoyancy Stability Chapter1 Introduction FluidDynamics RestofCourse SurfaceTension Fluid Mechanics Propertiesoffluids Distinctionbetweenasolidandafluid 1 Moleculesofsolidclosertogetherthanthoseoffluid Solid intermolecularforceslargerthaninfluid Elasticsolid deformsunderload recoversoriginalstatewhenunloaded Plasticsolid deformsundersufficientload continuesdeformingaslongasloadisapplied doesnotreturntooriginalstate Distinctionbetweenasolidandafluid 2 Intermolecularforcesinfluidnotlargeenoughtoholdelementstogether Fluidflowsunderslighteststressandcontinuesflowingaslongasstressispresent Distinctionbetweenagasandaliquid 1 Fluids gasesorliquids GAS Moleculesfartherapart Verycompressible Tendstoexpandindefinitely LIQUID Relativelyincompressible Ifexternalpressureremoved doesnotexpand Mayhaveafreesurface subjecttoitsownvaporpressure Distinctionbetweenagasandaliquid 2 VAPOR GaswhoseTandPveryneartheliquidphase Steamisavapor statenearthatofwater GAS Super heatedvapor farawayfromliquidphase Volumeofgasorvaporgreatlyaffectedby Tand P Thermodynamics Studyofheatphenomena Importantifsignificant Torphasechangesinvolved Distinctionbetweenagasandal