REVIEW QUESTION Wind power is linearly proportional to which one of the following terms?

1. REVIEW QUESTION Wind power is linearly proportional to which one of the following terms? • Wind Speed • (Wind Speed)2 • (Wind Speed)3 • (Wind Speed)4 Engineering 10, SJSU

2. REVIEW QUESTION Which of the following wind turbine designs typically turns faster? • Drag type design • Lift type design Engineering 10, SJSU

3. Engineering Design Engr 10 Introduction to Engineering JKA_ 2009

4. What do these “creations” have in common? JKA_ 2009

5. What do these “creations” have in common? (cont.) ------- ------- ----------------------- ---------------------- #include "Main.h" 003d50 cfd9 MOVFF 0xfd9,0xfe6 003d52 ffe6 003d54 cfe1 MOVFF 0xfe1,0xfd9 003d56 ffd9 003d58 0e02 MOVLW 0x2 003d5a 26e1 ADDWF 0xe1,0x1,0x0 003d5c 0e05 MOVLW 0x5 003d60 ec7d CALL 0x24fa,0x0 003d62 f012 003d64 52e5 MOVF 0xe5,0x1,0x0 003d66 6ede MOVWF 0xde,0x0 003d68 6add CLRF 0xdd,0x0 003d6a cfdf MOVFF 0xfdf,0xfe6 JKA_ 2009

6. Common……. • They are “created” for a purpose, a “function.” Most fulfill multiple functions. • All have some sort of shape, a “form.” The shape relates to the function, the usage of the device, materials implementation, aesthetics, and many other factors. • All are made by using “material.” • Virtually all have “cost” considerations. • Others have: safety, environmental, simplicity, aesthetics, usability, comfort, …considerations. JKA_ 2009

7. Functions? Function 1 Functions 1 2 23 Functions 1 2 3 4 5 Functions 1 2 3 JKA_ 2009 21

8. Function? Form? Material? Cost? Safety? Environmental? Usability? Simplicity Comfort? Entertainment? ……………… Function, Form, Material + JKA_ 2009

9. Engineering Design Function: To receive signals from the beacon, analyze, send information to controller. (input/output). Form: Most simple rectangle, except the receivers: semicircle. Reason: usage requires wider angle. Material: Epoxy resin, electronic components JKA_ 2009

10. The Key Elements of Product Design • Function: All products and services have one or more. It is the reason you are building the product. It is the purpose of your design. • Form: The final form of a product, or a structure, is the result of many factors: -The way you achieve the function, the “solution”, -The available material, their use , their properties, and their influence on aesthetics, cost, environment etc. • Materials: The availability and properties have direct effect on the form of the product: strength, weight, flexibility, weathering, environmental impact, aesthetics, temperature, cost, etc. JKA_ 2009

11. The Key Elements of Product Design Function . Cost Form Material JKA_ 2009

12. Importance per Discipline / Product * An enclosure is not considered an engineering design JKA_ 2009

13. Question 1 The final form of a structure is the result of the following factor(s): • The use of the material • The properties of the material • The way the function is achieved. • The cost and availability of the material • All of the above JKA_ 2009

14. The three most important elements of a design are? Form, Shape, Looks Form, Shape, Size Purpose, Scope, Cost Function, Form, Materials Responsibility, Applicability, Compatibility. Question 2 JKA_ 2009

15. Design • The Verb • To form an idea • To plan by drawing the outline • To sketch • To contrive • To project with an end in view The Noun • a project • a sketch to work from • a creative activity • ‘an arrangement of parts, details, form, color... as to produce a complete artistic unit’ JKA_ 2009

16. Design… a definition 'Design is the decision making process by which an idea is transformed into an outcome” ( product or service) JKA_ 2009

17. Teamwork Engineering Design JKA_ 2009

18. Engineering Design is a Process Manpower / Teamwork Materials Process Methods / Systematic Machinery / Testing Money / Cost JKA_ 2009

19. The Need Research Test Generate Solutions Implement Evaluate Solutions & Select JKA_ 2009

20. Let’s watch video about design at IDEO

21. The Engineering Design Process • Need for the product or the service There has to be a need for the product or the service. • Who defines it? Society - Government Market: Customer – Consumer Need for: Transportation, Communication, Health, Education Food-processing, preservation, delivery, Defense, Entertainment, Comfort, Business , … E10 Laboratory Projects? • Customer Requirements What customer ordered: product or services. (You may have to help your customer define his need) JKA_ 2009

22. The Engineering Design Process (cont.) • Define The Need: Once the need has been established, the first step of the engineering process is to define the problem on hand. • BUT, before you define a problem you need to understand it. • Evaluate the project constraints. • Translate customer requirements into a workable/ engineering concept. • What are the requirements/specifications of the turbine project??????? JKA_ 2009

23. Need The Engineering Design Process (cont.) Define Problem • Gather Information (Research) for all “How to” elements. • 10 – 30% of an engineers time can be spend on this step. • It is continuous rather than a one step activity (“Learning Curve” applies) • Applicable engineering principles • Materials, properties, procurement . • Tools and equipment, how to operate. • Etc. • E10 Research: Aerodynamics, Inventor 2008, Structural , Electrical, Tech. Communications Research Generate many Solutions Select best one Implement & Test JKA_ 2009

24. Learning Curve (Lifelong Learning) Learning Time, (wks, months) JKA_ 2009

25. Need The Engineering Design Process (cont.) Define Problem • Brainstorming: An activity designed to generate a lot of ideas/solutions. • Quantity is of importance - design has many solutions • Build on the ideas of others • Focus on Function - No criticism - All ideas are welcome • No limits or boundaries • No hesitation Sketching : a graphical presentation of an idea Research Generate many solutions Select best one/ Implement Implement & Test JKA_ 2009

26. Need The Engineering Design Process (cont.) Define Problem • Modeling • Functional Performance • Data collection • Data Analysis • Decision • Analyze failures • Redesign • Utilize alternate solutions Research Generate many solutions Select best one/ Implement Test JKA_ 2009

27. The Engineering Design Process Constraints: Turbine height = 17 in Stiffness vs. light weight Criteria: “constraints” you place on your design, for best performance, based on your design, materials , safety, environmental… If you had to build the turbine: Land, excavation, cost, location, access JKA_ 2009

28. Beyond the design steps final test design Ship to MFG development -Function -Function -Function -Form -Material -Models Requirements -Performance -Customer -Environmental -Legal -Repeatability -Reliability -Quality -Form -Material -Cost -Prototypes JKA_ 2009

29. The Engineering Design Process Documentation • Design Specifications • Assembly Procedures • Test Procedures • Materials Specification • Technical Communications To Manufacturing for mass production JKA_ 2009

30. References 1 www.bonluxat.com/a/Philippe_Starck_The_Tooth_... 2. www.auradesignerfurniture.co.uk/products.php?... 3 stores.implex.net/minnesotamedical/index.php?... 4. www.stiebel.com/Ceramics.htm 5 www.campus.queens.edu 6. ec.europa.eu/.../eu10/pictures/slovakia_en.htm 7 chestofbooks.com/crafts/popular-mechanics/Ama 8 speedhunters.com/archive/2008/07.aspxRemove frame 9 www.crystalinks.com/indiarchitecture.html 10 E10 Lecture .P.H. 11 E10-SJSU 12 www.rchelicopter.com/.../ 13 www.princeton.edu/.../ 14 www.empire.state.ny.us JKA_ 2009

31. 21 www.treehugger.com22 www.governmentauctions.org23 www.auradesignerfurniture.co.uk24 www.flexiblemontisa.com/product seasonsofgrace.blogspot.com www.abcteach.com : www.ecofriend.org/.../ www.irtc.org www.collectiblewebs.com JKA_ 2009