机械工程导论Ch1-The mechniacal Engineering Profession

Dr. Y.X Hu
Scientists are concerned with what it is. Scientists focus on discovering the exists in nature.
Engineers are concerned with what it will be. Engineers focus on inventing new for the world .
纳米Ag的消毒杀菌
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C/C复合材料用于飞机刹车副
制造技术与装备自动化研究所
Introduction to Mechanical Engineering 1.4 Traditional Disciplines of Engineering
Dr. Y.X Hu
Mechanical engineering
Automobiles Jet engines Gas turbines Light/Heavy machinery Bicycles Fluids (also bio-fluid) Power plants Disk drives
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Introduction to Mechanical Engineering 1.4 Traditional Disciplines of Engineering
Dr. Y.X Hu
Material engineering
Material engineers develop new compositions of matter that are used in applications encompassing semiconductors, lasers, steel and aluminum alloys, and magnetic media in computer hard drives.
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Dr. Y.X Hu
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制造技术与装备自动化研究所
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Introduction to Mechanical Engineering
Dr. Y.X Hu
Contents What is Engineering? Mechanical Engineering Career paths of mechanical engineering Typical program of study New direction in ME Communication as a ME
Design Engineer :
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制造技术与装备自动化研究所
Introduction to Mechanical Engineering 1.6 Job Classification Among Engineers
Dr. Y.X Hu
According to what kinds of job they undertaken, engineers can be classified into four types:
Introduction to Mechanical Engineering Why people want to be a Mechanical Engineer? Present interest Interested in machine Easy to find job The country need engineers Want to invent Love cars My parents want me to be Not sure …
Mechanical engineers design, analyze, and develop, control and maintain machines, structures, devices and mechanical systems. – This is the broadest discipline dealing with virtually all products
Petroleum products Building materials Plastics and polymers Natural gas Biochemical products Fertilizers (化肥) Cosmetics（化妆品）
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制造技术与装备自动化研究所
Introduction to Mechanical Engineering 1.4 Traditional Disciplines of Engineering
Introduction to Mechanical Engineering 1.2 What do engineers do ? Engineers: Turning Ideas into Reality Engineers do practical design and production work using the principles of science and mathematics to come up with economically viable solutions to technical problems. In shorter words, they design and build needed tools, products, and systems.
Dr. Y.X Hu
Civil Engineering
Civil Engineers design and construct national infrastructure. They plan, design, construct, operate and maintain:
Roads Bridges Buildings Airports Large Structures Water treatment facilities Waste management facilities
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制造技术与装备自动化研究所
Introduction to Mechanical Engineering
Dr. Y.X Hu
1. What is engineering ?
1.1 The definition of “Engineering” Latin root “ingeniere”, design and devise ingenious Engineering is the art of applying scientific and mathematical principles, experience, judgment, and common sense to create things that benefit people.
Introduction to Mechanical Engineering 1.5 Other engineering disciplines are:
Dr. Y.X Hu
There are also other engineering disciplines. They are:
Aeronautical Engineering Nuclear Engineering Mining and Petroleum Engineering Agricultural Engineering Environmental Engineering Ocean Engineering/Naval Architecture Telecommunication Engineering Manufacturing Engineering Biomedical Engineering Computer Engineering
Civil Engineering Chemical Engineering Electrical Engineering Material Engineering Mechanical Engineering
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制造技术与装备自动化研究所
Introduction to Mechanical Engineering 1.4 Traditional Disciplines of Engineering
Dr. Y.X Hu
Electrical Engineering
Electrical engineers are involved in any electrical devices, systems and energy. – They plan, design, construct, operate and maintain products that use electricity –virtually everything
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制造技术与装备自动化研究所
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Introduction to Mechanical Engineering 1.4 Traditional Disciplines of Engineering
Dr. Y.X Hu
Chemical Engineering
First Edition
CHAPTER
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Introduction to Mechanical Engineering
The mechanical engineering profession
Prof. Zhen-qiang Yao Dr. Yong-xiang Hu
制造技术与装备自动化研究所
Fist Edition
In other words, engineering is the process of producing a technical product or system to meet a specific need.
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Introduction to Mechanical Engineering 1.4 Traditional Disciplines of Engineering
Dr. Y.X Hu
Engineering is generally broken down into five traditional core disciplines:
Television Computers Instruments Audio devices Communication devices: telephone, cell phone, fax Bank tellers All electrical machinery
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制造技术与装备自动化研究所
– Chemical engineers develop large scale plants that produce products that are used in every day life. – They plan, design, construct, operate and maintain complex systems that produce
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Dr. Y.X Hu
Milestones to Identify the ages : Stone Bronze Steam Electrical Electronic & Informaion…
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制造技ቤተ መጻሕፍቲ ባይዱ与装备自动化研究所
Introduction to Mechanical Engineering 1.3 Scientist vs Engineer The Difference in Goal