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空气动力学英文.ppt

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该【空气动力学英文】是由【junjun2875】上传分享，文档一共【29】页，该文档可以免费在线阅读，需要了解更多关于【空气动力学英文】的内容，可以使用淘豆网的站内搜索功能，选择自己适合的文档，以下文字是截取该文章内的部分文字，如需要获得完整电子版，请下载此文档到您的设备，方便您编辑和打印。AerodynamicsEnglish目录IntroductiontoaerodynamicsBasicTheoryPrinciplesofaerodynamicsAerodynamicapplicationsFuturedevelopmentandchallengesAerodynamicsEnglishterminology01IntroductiontoaerodynamicsDefinitionandConceptsAerodynamicsisthestudyofthemotionofairandothergases,andhowitinteractswithobjectsmovingthroughtheairItisabranchoffluiddynamicsthatdealswiththestudyofgasesinmotionDefinitionAerodynamicsisconsideredwiththeforceactingonobjectsastheymovethroughtheair,suchaslift,drag,andthrust,aswellasthepressureforceactingonthesurfaceofobjectsItalsodealswiththeflowofgasesaroundobjects,includingtheflowpatternsandturbulenceConceptHistoryandDevelopmentOrigin:ThestudyofaerodynamicsBeganinacutetimes,whenpeoplefirststartedtobuildflyingmachinessuchaskitesandglidersHowever,itwasnotuntilthe19thcenturythatthefieldofaerodynamicsreallyBegantodevelop,ewtonandLeonardEulerDevelopment:Inthe20thcentury,aerodynamicsmadegreatstructureswiththedevelopmentofaviationandaerodynamicsTheWrightbrothers'essfulflightin1903markedthebeginningoftheageofnavigation,andsincethen,aerodynamicshasplayedaclinicalroleinthedesignandoptimizationofaviation,airports,helicopter,misses,andotherflyingobjectsAerodynamicsiscriticalinthedesignandoptimizationofaircraft,planes,helicopters,misses,andotherflyingobjectsItisusedtounderstandthebehaviorofgasesinmotionaroundtheseobjects,topredicttheirperformance,andtoimprovetheirdesignAerodynamicsisalsoimportantinthedesignofcars,trucks,trains,andothervehiclesthatmovethroughtheairItisusedtounderstandtheflowofairaroundthesevehiclesandtooptimizetheirdesignforbetterperformance,fuelefficiency,andreduceddragAerodynamicsisalsorelevantinthefieldofwindenergy,whereitisusedtounderstandthebehaviorofairflowaroundwindturbinesandtooptimizetheirdesignforimprovedenergyproductionandreducedturbulenceApplicationarea02BasicTheoryFundamentalsofFluidDynamics01FluidsaresubsetsthatflowandconformtotheshapeoftheircontainerGasesandliquidsarefluids02Thestudyoffluiddynamicsfocusesonthemotionoffluidsandtheforcesthatactonthem03Fluidshavedifferentlyatdifferentspeedsandunderdifferentpressures04ThebehavioroffluidsisdescribedusingmathematicalmodelsandequationsBernoulli'stheory01Bernoulli'stheoreticalstatesthatinafluidmovingatconstantvelocity,thetotalenergyremainsconstant02Thistheoryisappliedinvariousfields,includingaerodynamics,hydrodynamics,andpneumatics03Itisusedtounderstandthebehaviorofairflowoveranairplanewingortheflowofwaterthroughapipe04Bernoulli'stheoreticalassessmentsthatthefluidisinvisible(nonvisible)pressible输入标题02010403Newton'sthirdlawNewton'sthirdlawstatesthatforeveryaction,thereisanequalandopposingreactionThisforceisknownaslift,whichisresponsibleforkeepingtheairportaloftWhenanairplanefliesthroughtheair,itpushesontheairbelowit,causingtheairtoexerciseanequalandpotentialforceontheairplaneInthecontextofaerodynamics,thislawappliestotheforcesactingonanobjectmovingthroughafluid

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