机械工程导论(双语)课件 参赛课件.pptx

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1、mechanicalengineeringAnintroductionto1Lecturer:LiuJu-rong参赛选手：****CHAPTER1TheMechanicalEngineeringProfessionOVERVIEW1WHATISENGINEERING?23WHOAREMECHANICALENGINEERS?2CAREERPATHS4TYPYCALPROGRAMOFSTUDY5Vocabulary3internalcombustionengine内燃机roboticweldingequipment机械手焊接装置prostheticlimb弥补性

2、的，置换的，假肢jetengine喷气式发动机physicalquantity物理量trillionfold百万兆（1012）autofocuslens自聚焦透镜rowingmachine划船机stairclimber爬楼梯机drillpress台钻Vocabulary4turbopump涡轮泵turbines汽轮机condenser压缩机SpaceShuttle航天飞机robot机器人machinetool机床materialshandlingsystem物料搬运系统industrialproductionequipment工业生产装备acceleratio

3、nsensor加速度传感器1OVERVIEW----disciplineofmechanicalengineering5machinecomponentsforcesmaterialsenergymotiondesignWhat"elements”isconcernedinthedisciplineofmechanicalengineering?6FIGURE1.1Mechanicalengineersdesignandtestcomplexhighspeedmachinerysuchasthisdieselpowerplant（柴油机动力装置）forhigh

4、wayconstructionequipment．Source：ReprintedcourtesyofCaterpillarInc.1OVERVIEW---anexampleofmechanicalengineersdesign1OVERVIEW----mechanicalpowerrange710-3W103W106W109W1WAthleteAutomobileenginePowerplantWatt10-3hp103hp106hp1hpUltrasonicmotorMachinetoolsShuttlefuelpumpHorsepowerFIGURE1.

5、2Mechanicalengineersworkwithmachinestheproduceorconsumepoweroveraremarkablywiderange8FIGURE1.3Close-upviewofaSpaceShuttlemainengineduringattestinwhichitisswiveledtoevaluatesteeringperformanceduringsimulatedflightconditions.Source：ReprintedwithpermissionofNASA．1OVERVIEW----anexampleo

6、fmechanicalhighpower1OVERVIEW---Theabilitytobeavailableinthischapter9Afterstudy,whatshouldyoubeabletohave?Describethedifferencesbetweenengineersandscientistsandmathematicians.Describethetypeofworkthatmechanicalengineersdo,andlistsomeofthetechnicalissuesthattheyaddress.Discussthetype

7、sofindustriesandgovernmentalagenciesthatemploymechanicalengineers.Listsomeoftheproducts,processes,andhardwarewithwhichmechanicalengineerswork.Describenotableachievementsofthemechanicalengineeringprofession.Understandthestructureandobjectivesofatypicalcurriculumformechanicalengineeri

8、ngstudents.2WHATISE