Introduction to Mechanical Engineering
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This document provides an introduction to mechanical engineering. It discusses what mechanical engineers do, including designing machines and systems, manufacturing, testing, maintenance, and more. Some key areas mechanical engineers work in are energy, transportation, manufacturing, and healthcare. The document outlines the mechanical engineering education process and typical career paths, noting mechanical engineers work in a wide variety of industries. It emphasizes mechanical engineering involves problem solving, applying math and science concepts, and benefits society through technological innovation.
Introduction to Mechanical Engineering
- 1. Introduction to Mechanical Engineering Dr. Rohit Singh Lather Associate Professor “Scientists discover the world that exists; engineers create the world that never was.” -Theodore Von Karman
- 2. INTRODUCTION TO MECHANICAL ENGINEERING • What is engineering ? • What do mechanical engineers do ? • The basic engineering process ?
- 3. WHAT IS AN ENGINEERING ? Engineering is the profession in which knowledge of the mathematical and natural sciences gained by study, experience, and practice is applied with judgment to develop ways to utilize, economically, the materials and forces of nature for the benefit of mankind
- 4. The Million Dollar Question WHY BE AN ENGINEER ?
- 5. WHY MIGHT YOU WANT TO BE AN ENGINEER? • You have high goals in life • Want to get a strong college education! • You like math and sciences, and would like to apply them to real world problems! • You enjoy hands-on work and tinkering with things! • You were told that engineers make a lot of money! • You were told that you can get a good job with an engineering degree! • You want to help humanity!
- 6. MECHANICAL ENGINEERING….... • Mechanical engineering is the second largest and one of the oldest disciplines • You might find the subject both exciting and challenging • Almost every industry needs mechanical engineers • The curriculum is sufficiently broad so students can take various career paths upon graduation • Perhaps the broadest of all the engineering disciplines • Finding creative solutions to difficult problems! • Working with motion, energy, forces, and materials • Concerned with analysis, design, manufacture and operation of areas such as: Energy/Defense/Environment/Health & Bio/Manufacturing/ Transportation
- 7. WHAT WILL YOU STUDY AS AN ME STUDENT ? Human and Social Studies: arts, humanities, social sciences, ethics, law Statics, Dynamics, Kinematics, Mechanics of solids and fluids Thermodynamics, Heat Transfer, Internal Combustion Engines, Refrigeration Materials: Materials engineering & processing Machines: graphics, design, machine elements, controls, Machine Design, FEM Economics: engineering economic analysis, cost engineering Overall foundation: math, physics, chemistry, analysis skills, communication skills, computation skills Electives: Automobile, Design, Industrial, Production, Renewable Energy MECHANICAL ENGINEERING: TYPICAL PROGRAM Core Fundamental courses of Mechanical Engineering Mechanical Systems Vibrations, Controls, Mechatronics, MEMS Electives Departmental Electives & Open Electives
- 8. WHAT MECHANICAL ENGINEERS DO ? Work on Car Engines? Make a Plane? Work on a Computer? Make a Robot?Build a Bridge? Drive a Train?
- 9. DID WE MENTION ? The salary of a mechanical engineer in India ranges from 2.2 L – 25 L Depending on the type of job Field “There is a high economic return for an engineering degree even if a graduate works in a non engineering field”. - From Neeta P. Fogg, Paul E. Harrington and Thomas F. Harrington College majors handbook with Real Career Paths and Payoffs: The Actual Jobs, Earnings and trends for Graduates of Sixty College majors, 2nd ed. (Indianapolis: JIST Publishing 2004
- 10. MECHANICAL ENGINEERING JOB DESCRIPTIONS • Graduate Engineer Trainee • Graduate Management Trainee • Analytical Engineer • Design Engineer • Test Engineer • Manufacturing Engineer • Development Engineer • Research Engineer • Sales Engineer • Engineering Manager • Consulting Engineer
- 11. WHAT TYPE OF JOBS DO ME’S HAVE? • Design - Product Design, Machine Design, System Design • Manufacturing • Process Development & Quality • Maintenance and Operations • Research and Development • Project Management • Testing • Sales or Technical Sales • Management
- 12. • Electric power generation • Oil well drilling and extraction equipment • Renewable Energy – fuel cells, wind power, hydroelectric, nuclear, geothermal, wind power, biomass, hydrogen, solar • Analysis - Equipment failures to improve performance and reliability • Heat transfer, vibration, sound • Fabrication - Coordinate fabrication of equipment - Develop improved fabrication techniques and methods • Testing - Test quality, performance, safety, and reliability of products, equipment, processes
- 13. • Research and Development • Sales - Work as technical salespersons for companies that manufacture various products and equipment - Work as a general salesperson for companies • Maintenance and Operations - Keep various plants and processes operating at optimum performance - Operations supervision and management • Management • Other - Law School, - Business School
- 14. Major Areas of Research • Automotive Engineering • Acoustics and Dynamics • Automation and Mechatronics • Bioengineering • Computer Aided Design • Fluid Mechanics • Microelectromechanical Systems (MEMS) • Heat Transfer • Combustion and Energy Systems • Manufacturing • Mechanics of Materials • Tribology • Nuclear Engineering
- 15. MECH. ENG. TOP 10: ASME SURVEY 1. Automobile: High-power lightweight engines, efficient mass- manufacturing 2. Apollo: Saturn V launch vehicle (7.5 million pound thrust), command and service module, lunar excursion module 3. Power generation: Conversion of stored energy into electricity, manipulation of chemical-, kinetic, potential-, and nuclear- energy, large-scale power production 4. Agriculture mechanization: Powered tractors, mechanized harvesting, high-capacity irrigation pumps, computerized crops management 5. Airplane: Propulsion (jet engines), lightweight materials, electromechanical control systems 6. Integrated circuit mass production: IC manufacturing machines, alignment systems, temperature- and vibration control, motors, bearings 7. Air-conditioning and refrigeration: Compressors, refrigerants, heat exchangers 8. Computer-aided engineering technology: Computer-aided design, analysis, manufacturing, virtual collaboratives 9. Bioengineering: Imaging, prosthetics, minimally invasive surgery, tissue engineering 10.Codes and standards: Interchangeability, interoperability, interconnectivity
- 16. WHAT CAN MECHANICAL ENGINEERS DO? Design (Product, Machine and System Design) - Machines that manufacture and package all varieties of products - Rotating equipment - pumps, compressors, blowers,turbomachinery - Internal combustion engines - Storage tanks, piping systems and pressure vessels - reactors, heat exchangers, boilers - Sports equipment, consumer goods and products (everything from golf balls to soda cans to roller coasters) - Material handling equipment - conveyers, robots, production lines - Vehicles - cars, trucks, heavy equipment, buses, aircraft, ships
- 17. THE ENGINEERING DESIGN PROCESS (CORE OF ENGINEERING) Problem Identification Get with Customer or your own idea Conceptual Design Ideas, Sketches and Solution Lists Refinement Computer Modeling, Data Base Development Testing Analysis and Simulation of All Design Aspects Prototyping Visualizing and Improving the Design Communication Engineering Drawings, Specifications Production Final Design, Manufacturing, Distribution CAE Computer Aided Engineering
- 18. Employers responding to NACE’s Survey rated these job qualities (a five point Scale in order of importance) in 2005 • Communication Skills (4.7/5 Average) • Honesty / Integrity (4.5/5 Average ) • Interpersonal Skills (4.5/5 Average) • Strong Work Ethics (4.5/5 Average ) • Team Work Skills (4.5/5 Average) • Analytical Skills (4.4/5 Average)
- 19. Attributes employers seek on a candidate's resume
- 20. WHO’S LOOKING TO HIRE AN ENGINEER ? • Automotive & OEM Suppliers • Construction Equipment • Construction Companies • Ship & Railroad Companies • Airplane Manufacturing • Power Generation • Nuclear • Alternative Fuel • Energy • Utility Companies • Oil and Gas Companies • Chemical Companies • Environmental • Academia (Teaching) • Financial Companies • Pharmaceutical & Health Care • Biomedical • Sports Equipment Mfg. • Computer-Aided Design • Automation • Robotics • Electronics Industries • Appliance Manufacturers • HVAC & Refrigeration • Toy Manufacturing • Furniture Manufacturing • Paper Industry • Food & Beverage Industry • Telecommunications • National Labs • Aeronautical • Government Agencies • Consulting Companies
- 21. “Coming together is a beginning; keeping together is progress; working together is a success.” - Henry Ford