College of Engineering

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Information about College of Engineering
Education

Published on November 10, 2008

Author: aSGuest2908

Source: authorstream.com

Welcome to E10A Freshman Engineering Experience : (JKA) 2006 1 Welcome to E10A Freshman Engineering Experience The “Freshman” Challenge : (JKA) 2006 2 The “Freshman” Challenge A college freshman attending a recent football game, tried to explain to a senior citizen sitting next to him, why it was impossible for the older generation to understand hisgeneration."You grew up in a different world, an almost primitive one " the student said,"The young people of today grew up with HDTV, cell phones space travel, spaceships visiting Mars. We have nuclear energy, electric and hydrogen cars, computers with light-speed processing...and”, pausing to take another drink of soda. The Senior citizen took advantage of the break in the student's explanation and said, "You're right, son. We didn't have those things when we were young, so we invented them, designed them, tested them, mass-produced them Now, the question is…… The “Freshman” Challenge (cont.) : (JKA) 2006 3 The “Freshman” Challenge (cont.) what are you going to do for the next generation?" Today's Discussion : (JKA) 2006 4 Today's Discussion What is Engineering? What do Engineers do Slide 5: (JKA) 2006 5 . How did you selected engineering as your major? “Because of the engineering classes at my high school” “I did well in math or science.” “I heard that the salaries are higher that for other majors” “My mother told me “be an engineer or die”.” ”My father and brother are engineers.” “I’ve always been curious as to how things work.” “I like to fix things” ( “ “ students answers) Slide 6: (JKA) 2006 6 Guess what? Most engineers discover engineering in colleges and universities, since virtually no high school offers classes in engineering. $$$ : (JKA) 2006 7 $$$ Earnings for engineers vary significantly by specialty, industry, and education. As a group, engineers earn some of the highest average starting salaries among those holding bachelor’s degrees. U.S. Department of LaborBureau of Labor Statistics Starting Salary-2005 Survey-NAC&E* : (JKA) 2006 8 Starting Salary-2005 Survey-NAC&E* Curriculum Bachelor's Master's Ph.D.  Aerospace, $50,993 $62,930 $72,529 Bioengineering/medical 48,503 59,667 —Chemical 53,813 57,260 79,591Civil 43,679 48,050 59,625Computer 52,464 60,354 69,625Electrical-onics-commun. 51,888 64,416 80,206 Industrial/mfg. 49,567 56,561 85,000Materials 50,982Mechanical 50,236 59,880 68,299 Petroleum 61,516 58,000 *National Association of Colleges and Employers How do I learn more about engineering? : (JKA) 2006 9 How do I learn more about engineering? E10 class Hands on projects Team work environment. Professors from various engr. disciplines Your classmates* Student chapters of a professional society. Your professors Other practicing engineers. Visiting engineering companies. Apply for student internships during summer The “Magic” We Call Engineering : (JKA) 2006 10 The “Magic” We Call Engineering . Idea Product/ service ENGINEERING PROCESS An overview of the Engineering Process : (JKA) 2006 11 An overview of the Engineering Process . idea Product Requirements Modeling Evaluation Spec’s Tooling Manufacture Design Develop Concept ID Problem Science, Mathematics,Computers Team work, Science/Math vs. Engineering : (JKA) 2006 12 Science/Math vs. Engineering Science: Study the laws of nature Generates new knowledge. Engineering: Converts science into technology and technology into useful products. It requires creativity, judgment, imagination, experience, common sense. What About Math.: One of the best engineering tools Problem Solving vs. “Problem Solving” : (JKA) 2006 13 Problem Solving vs. “Problem Solving” When a student solves a problem, he/she will first read the chapter and then attemptthe solution. (right???) The engineer however rarely has sufficient prior information for the problem(s) he/she has to solve. A major step of problem solving is in gathering appropriate information. [ Life Long Learning ] Engineers Solve “Problems” : (JKA) 2006 14 Engineers Solve “Problems” Some examples of engineering problems: Cars: 1. Safety-crash test 2. Pollution 3. Gas consumption 4. Metal and tire recycling. Computers: 1. Battery life and safety (laptops) 2. Recycling of special components 3. Size, weight, cost, capacity, speed. Non invasive medical diagnostic equipment. Traffic congestion. Can you think of other “engineering” problems The Engineer’s Balancing Act : (JKA) 2006 15 The Engineer’s Balancing Act Example: The design of a laptop must meet the following: Light weight --- Large screen Small in size --- Comfortable key board. Reduced price --- Many functions (DVD, Phone, etc.) The engineer must find an “optimum” design to satisfy the given constraints. [ Constraints and optimization ] The “Magic” We Call Engineering : (JKA) 2006 16 The “Magic” We Call Engineering . Idea Product/ service ENGINEERING PROCESS Do we recall this? The Engineering Design Process : (JKA) 2006 17 It is important to understand that engineering design is a process. That is a series of inter-depended operations each one with a set of input and output requirements. Basic process step: Input Output The Engineering Design Process Value Add The Basic Elements of a Process : (JKA) 2006 18 The Basic Elements of a Process Manpower (people with skills, team work) Material (raw material, components) Machinery (tools, etc.) Methods (procedures for test, assembly etc.) Money (investment to start with) The Story of Engineering Knowledge : (JKA) 2006 19 The Story of Engineering Knowledge Once upon a time….there was a gifted engineer who had retired after 35 years. Several years later, his company contacted him regarding an impossible problem they were having with their multi-million dollar system. The engineer reluctantly took the challenge and after he spend several hours studying the system hardware, he marked a small “x” with a marker, on a particular component and told management to replace it. The company received a bill for $50,000. Management immediately asked for an itemized accounting for the charges. The Engineers Itemized Accounting : (JKA) 2006 20 The Engineers Itemized Accounting One black marker …………...... $1.00 Knowing where to place it….$49,999 What science tell us about magnets? : (JKA) 2006 21 What science tell us about magnets? Magnetic poles Magnetic field Direction Science : (JKA) 2006 22 Science A current carrying coil generates a magnetic field Science: “And the reverse is true” : (JKA) 2006 23 Science: “And the reverse is true” When a coils is brought into a magnetic field, current will be detected through the coil What do these products have in common? : (JKA) 2006 24 What do these products have in common? . Creativity, Imagination & the Start of a Multibillion $$$ industry : (JKA) 2006 25 Creativity, Imagination & the Start of a Multibillion $$$ industry Read/Write head on the surface of a magnetic disk : (JKA) 2006 26 Read/Write head on the surface of a magnetic disk From Science to Engineering via Imagination : (JKA) 2006 27 From Science to Engineering via Imagination “File Save” “Write operation” ( The current in the “coil” of the “write” head element magnetizes portions of the disk surface) “File Open” “Read Operation” (the coil of the “read’ head element passes over the magnetized surface and “reads” the signal) So What Engineers Do? : (JKA) 2006 28 So What Engineers Do? “Engineers apply the theories and principles of science and mathematics to research and develop economical solutions to technical problems.” U.S. Bureau of Labor Statistics The Engineering Design Process. (text) : (JKA) 2006 29 The Engineering Design Process. (text) 1. Identify the need 2. Define the Problem 3. Search Sketch 4. Constraints 5 Criteria 6. Alternative solutions Model 7. Analysis 8. Decisions 9. Specifications Build 10. Communication Slide 30: (JKA) 2006 30 There will be a more detailed discussion on “engineering design” later on in the semester. What Did We Discuss Today? : (JKA) 2006 31 What Did We Discuss Today? Engineering transforms ideas into useful products. Your classmates are a good source of information. Salaries for engr. majors are higher that other majors. Science study the law of nature. Engineering converts science into technology / products through creativity, imagination, judgment, experience. Engineering transforms ideas into useful products. Engineers design products within a set of constraints Engineering is a process that includes people, materials, machinery, methods, money. Engineers are committed to Life Long Learning.

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