1.1.1 Definition of Mechanical EngineeringWHAT IS ENGINEERING?---an exampleFIGURE 1.1Aremarkable engineering achievementthe Space Shuttle Atlantis thunders into orbit as itstwin solid rocket boosters and three main enginesproduce 7 million pounds of thrust.Source: Reprinted with permission ofNASA.6
① WHAT IS ENGINEERING?-an example FIGURE 1.1 A remarkable engineering achievement, the Space Shuttle Atlantis thunders into orbit as its twin solid rocket boosters and three main engines produce 7 million pounds of thrust. Source：Reprinted with permission of NASA． 6 1.1.1 Definition of Mechanical Engineering
1.1.1 Definition of Mechanical EngineeringWHAT IS ENGINEERING?----engineers' skill combinationMathematicsEngineering-一1HardwareScienceComputersimulationFIGURE1.2 Engineers combine their skills in mathematics, science,computers,andhardware7
① WHAT IS ENGINEERING?-engineers’ skill combination Engineering Computer simulation Science Hardware Mathematics FIGURE1.2 Engineers combine their skills in mathematics, science, computers, and hardware. 7 1.1.1 Definition of Mechanical Engineering
1.1.1 Definition of Mechanical EngineeringWHAT IS ENGINEERING?---traditional disciplinesmechanicalthe traditionalmaterialselectricaldisciplinesofengineeringcivilchemical8
① WHAT IS ENGINEERING?-traditional disciplines electrical mechanical materials civil chemical the traditional disciplines of engineering 8 1.1.1 Definition of Mechanical Engineering
1.1.1 Definition of Mechanical EngineeringWHAT IS ENGINEERING?----working fields of engineersMaterialsPetroleumNuclear1%1%1%ChemicalMining3%1%Aerospace4%All other engineers28%Industrial9%Civil13%ElectricalandelectronicsMechanical24%15%FIGURE 1.3 Percentages ofengineers working in variousengineering fields9
① WHAT IS ENGINEERING?-working fields of engineers All other engineers 28% Electrical and electronics Mechanical 24% 15% Civil 13% Industrial 9% Aerospace 4% Chemical 3% Materials 1% Petroleum 1% Nuclear 1% Mining 1% FIGURE 1.3 Percentages of engineers working in various engineering fields. 9 1.1.1 Definition of Mechanical Engineering
1.1.1 Definition of Mechanical EngineeringWHO ARE MECHANICAL ENGINEERS?---definition>Mechanicalengineersresearch,developdesign,manufacture and test tools, enginesmachines,and othermechanical devices>Theyworkonpower-producing machinessuch as electricity-producing generatorsinternal combustion engines,steam andgasturbines,and jetand rocket engines>Theyalsodeveloppower-usingmachinessuch as refrigeration and air-conditioningequipment,robotsused inmanufacturingmachinetools,materials handlingsystems,andindustrial production equipment10
② WHO ARE MECHANICAL ENGINEERS?-definition ➢Mechanical engineers research, develop, design, manufacture and test tools, engines, machines, and other mechanical devices. ➢They work on power-producing machines such as electricity-producing generators, internal combustion engines, steam and gas turbines, and jet and rocket engines. ➢They also develop power-using machines such as refrigeration and air-conditioning equipment, robots used in manufacturing, machine tools, materials handling systems, and industrial production equipment. 10 1.1.1 Definition of Mechanical Engineering