HW1 - Mechanical Engineering E1001 Micromachines to Jumbo...

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Mechanical Engineering E1001 Micromachines to Jumbo Jets Points: 3 Day/Time: MW 9:10am-10:25pm Location: 227 S. W. Mudd Building Professor: Gerard A Ateshian Teaching Assistant: Emil Sandoz-Rosado
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What is Engineering? Apply knowledge of Mathematics Science Materials Develop new and better technologies Other skills required Communication Management Business
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Mechanical Engineering Mechanical engineering encompasses Forces, materials, energy, fluids, motion Research, develop, design, manufacture, test Tools Engines Machines Other mechanical devices
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Mechanical Engineering Power production Motors, engines, power plants Power conversion Solar power, wind power, hydrogen fuel cells, heating, refrigeration Power transmission Gears, bearings, machine components Motion and control Robotics, auto-piloting
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1: Automobiles Enabling technologies Light weight engines Mass-manufacturing Largest manufacturing industry in the U.S. ~$350 billion per year Provides impetus for many other technologies
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2: Apollo Program Enabling technologies Rocket engines Spacecraft Computers for design, orbit calculation and spacecraft control Engineers at NASA refer to space shuttle main engines as 8 th Wonder of the World.
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3: Power Generation Readily available electrical power enables modern society. Sources of energy Coal, natural gas and oil Windmills Nuclear energy Hydroelectric Solar Hydrogen Environmental concerns
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4: Agricultural Mechanization One farmer produces food for 130 people Equipment Tractors Combines Low erosion tillage implements Air seeding GPS based mapping of crop yields Selective fertilization
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5: Airplanes Enabling technology Light weight engine Flight control systems Impetus for development of Gas turbine engine Composite materials Transformed the way people travel
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6: Integrated Circuit Mass Production Mechanical engineers develop the machines which manufacture integrated circuits Vibration isolation Alignment of components to within 70 nanometers Conducting wires are 0.1% the diameter of a hair Courtesy: Lucent/Bell Labs
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7: Air-conditioning and refrigeration First air-conditioning system developed in 1902 To control humidity levels in a printer’s shop in Brooklyn Revolutionized food distribution and storage Changed demographics of U.S. U.S. Patent in 1914 Dew point control Enabled automatic controls for air conditioning systems Thermodynamics of air conditioning cycle is very similar to that of heat engine cycle
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8: Computer aided engineering Revolution in how products are designed Conceptual designs Design analysis Technical drawings Automated manufacturing Boeing 777 aircraft Designed with “paperless” process
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9: Bioengineering Health care technology
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HW1 - Mechanical Engineering E1001 Micromachines to Jumbo...

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