being beneficial. These results were used to facilitate adiscussion regarding the importance of design intent in modern CAD modeling and productdevelopment environments. Page 14.421.8References1 D. A. Field, "Education and Training for CAD in the Auto Industry," Computer-Aided Design 36 (14), 1431-1437 (2004).2 S. D. Eppinger and A. R. Chitkara, "The New Practice of Global Product Development," MIT Sloan Management Review 47 (4), 22-30 (2006).3 B. Caldwell and G. M. Mocko, "Ttite," in ASME 2008 International Design Engineering Technical Conferences & Computers and Information in Engineering Conferences
study of macromilling Ti 6Al 4V, theauthors find a significantly improvement of tool life (~ 8 times) and a reduction of cutting forceswhen micromist is used 12. Page 14.878.6 (a) (b)Figure 1. Measuring tool offset in (a) x and y directions and (b) z direction.Figure 2. Run out of Haas OM2 air spindle at 10,000 rpm. Page 14.878.7Figure 3. Bending stress on a cutting tool due to spindle run out. The maximum stress reachesflexural strength of the tool material when tool deflection is 0.34 mm
Ext T rig 12 Vrms + 60 Hz _ R2 C2 A B 0° 100 8.2nF + _ + _ 0 Figure 1. Circuit capturing using MultiSIM Figure 2. Three dimensional breadboard in MultiSIMStudents were asked to use MultiSIM after lectures on each subject in circuit analysis to verifythe theoretical result. They were
structure of the equation, especially the erosionfactors, as well as the “recovery period” that has been anecdotally described 25.Bibliography1. National Science Board, (2007), Moving Forward To Improve Engineering Education, Internet from the NSF web site. Address as of 04/25/08: http://www.nsf.gov/pubs/2007/nsb07122/nsb07122.pdf.2. Cooper, H., Robinson, J.C., Patall, E., (2008), The Effects of Choice on Intrinsic Motivation and Related Outcomes: A Meta-Analysis of Research Findings, Psychological Bulletin, Volume 134(2), March 2008, p 270–300.3. Amabile, T.M. & Gyskiewicz, N.D., (1989), The Creative environment scales: Work environment Inventory. Creativity Research Journal 2: 231-251.4. Schwartz, B. (1988), “The
, “Creativity and New Product Development: Bringing Entrepreneurship into Engineering DesignClasses,” 2007 ASEE Annual Conference and Exposition, Honolulu, HI, United States, 2007. Page 14.1101.142. W. Birmingham, B. Allison, J. Dupree, “Entrepreneurship via Multidisciplinary Product Development,” 2007ASEE Annual Conference and Exposition, Honolulu, HI, United States, 2007.3. A.J. Marchese, J.L. Schmalzel, T.R. Chandrupatla, S.A. Mandayam, “A Venture Capital Fund to EncourageEntrepreneurship and Rapid Product Development With Multidisciplinary Teams,” 1999 ASEE Annual Conferenceand Exposition, Charlotte, NC, United States, 1999.4. J.A. Morgan
, Curriculum & Laboratory Improvement (CCLI) program.Bibliography[1] de Freitas, S. I., “Using games and simulations for supporting learning.” Learning, Media and Technology, 31, 4(2006), 343-358. [2] Prensky, M., Digital game-based learning. McGraw-Hill, New York, 2001. [3] Cratty, B. J., Active learning: games to enhance academic abilities. Prentice-Hall, Englewood Cliffs, N.J.,,1971.[4] Gillispie, P. H., Learning through simulation games. Paulist Press, New York,, 1973.[5] Nesbitt, W. A., Foreign Policy Association, and Foreign Policy Association. School Services Dept. Simulationgames for the social studies classroom. Crowell, New York, 1971.[6] Catherall, T. S. Simulation games and their effect upon selected educational attitude changes
3261.8. Peterson, L.,Dave, B., 2008, — Computer Networks – A Systems Approach, Morgan Kaufmann.9. M. J. Karam, and F. A. Tobagi, “Analysis of the Delay and Jitter of Voice Traffic Over the Internet,” In the Proceedings of IEEE Infocom 2001, pp. 824-833, 2001.10. Newport Networks, VoIP Bandwidth Calculation White Paper, http://www.newport-networks.com. Page 14.140.10
feedback from the Fall 2008 semester. The Toolkit is nowavailable for download and use by other educational institutions from the NI web site.Bibliography1. M. Radu, M. Alexandru Dabacan, S. Sexton , C. Cole, “Extensive Use of Advanced FPGA Technology in Digital Design Education,” 2008 Annual Conference & Exposition, Pittsburgh, PA, 2008.2. N. Alaraje, J. DeGroat, A. Oliveira, “Teaching Field Programmable Gate Array Design (FPGA) to Future Electrical Engineering Technologists: Course Development,” 2007 Annual Conference & Exposition, Honolulu, HA, 2007.3. http://www.xilinx.com4. http://www.digilentinc.com5. http://www.ni.com/fpga/6. G. Crouch, R. Lee , B. Johnson , S. Sharad, “Fostering Design Across Multiple Disciplines With
tunnel flowvisualization, smoke injection is the usual means to visualize the flows; whereas with watertunnel flow visualization a dye injection method is typically employed. The ability to visualizeflows, and the associated boundary layer separation and vortex shedding phenomenon, forms anextremely important thrust of such introductory courses, and is an invaluable educational tool aswell as a tool for practical engineering design. Smoke Rake Converging Nozzle FLOW Illuminated Separation Bubble Smoke Streams (a) Schematic of Sharp-Edged Nozzle Flow (b) Actual Half-Section Nozzle Flow Figure 1: Wind Tunnel Flow Visualization—Internal FlowThe work presented
Project:The objective of the solar car project was to have the students assess the utilization of a solarpanel array to power a vehicle. The activities given to the participants were; a) to research solarcells on usage and limitations, b) examine performance capabilities of the cells under variouslight intensities, and c) build a buggy and measure its performance by timing over a set distancewhile carrying different loads.The first task given to the teams was an exercise to observe how a solar power meter responds tothe power from an incandescent bulb at different distances. The participants then entered thedata into an Excel spreadsheet and performed a curve fitting exercise to observe how the poweris a function of distance. The next exercise had
further conserves power.The measured data are fed into a microcontroller and sampled via an ADC. We selected theSilicon Labs C8051F353 microcontroller with a built-in 24/16 bit ADC in our design. Themicrocontroller does simple processing on the data and set the working mode of theaccelerometer accordingly. Processed data are fed into an IEEE 802.15.4 compliant wirelesstransceiver and sent to the data logger unit. For our design, the XBee 802.15.4 radio modemfrom Digi/MaxStream is chosen as the wireless transceiver, as shown in Figure 2(b). It canoperate under transparent mode with a simple connection with a microcontroller. With a chipantenna, it operates up to 30 meters indoor. The transmission range can be further increased to 90meters by using
AC 2009-1620: ENTHALPY IN A BOX: TEACHING OPEN VS. CLOSED SYSTEMWORK TERMSAndrew Foley, United States Coast Guard AcademyMichael Plumley, United States Coast Guard Academy Page 14.579.1© American Society for Engineering Education, 2009 Enthalpy in a box Teaching open v closed system work terms.Abstract In teaching a general approach to thermodynamics the authors have reduced the equationcount in their course to basically one accounting equation, the Reynolds Transport equation.While this has been well received by students it does require that they, in turn, have a greaterphysical understanding of problems as success is now
fully by means of examining all the courses offered. The process becametedious because University A, for example, had five courses to consider, University B had threecourses to consider, and so on with the others. Therefore, to establish the amount of coverage foreach topic in each category for all the courses, composite ratings were used as set out in Table 1. Horizontal View Table 1. Composite ratings + N JM TB TM TD Vertical View N N JM TB TM TD JM JM JM TB TM TD
). Page 14.104.4 (a) (b)Figure 4: Sample appearance after deformation for (a) Transverse specimens, (b) Longitudinal specimens.Table 2: Results from the demonstration (N=10). The superscripts a and b indicate statisticallysignificant differences (p=0.05 and p<0.0001, respectively). Transverse Longitudinal Longitudinal Transverse Longitudinal Transverse Sample Strain (%) Strain (%) Strain (%) Strain (%) 1 172.7 -50.0 45.5 -1.0 2 154.5 -60.0
ABET criteria to be best-in-class, based on years of experience educating engineeringstudents and engineers working in industry. The designations A,B,C,D refer to particularthinking modes of the HBDI model (discussed in Section II of this paper). A, B, C, D Application in a Capstone Design Project B Structured, Iterative Design Process with Documentation Formats Teamwork Mental Models: Knowledge Tools Communication CPS, HBDI Pugh, QFD, etc. D
simplified as a 1DOF spring-mass-damper system. Figure 1. Typical drop apparatus and mounting scheme [9]2.2 Simplified ModelThe test board supported by four screws in the drop test can be simplified a 1DOF mass-spring-damper system. The equation of motion is M &x&(t ) − B x& (t ) − Kx (t ) ? f ( t ) (1)where M is the mass, B is the damping coefficient, and K is the spring constant of the test board,x(t) is the displacement of the test board of the system, and f(t) is the applied impact impulse. Page 14.715.3The JEDEC standard suggests that the test board be subjected to
identical time side gears; attached lever arms and add weights on the input and output shafts to balance the mechanism. 5. Complete necessary calculations required to determine the output torque analytically and compare results with gear teeth, lever arms, and input weights. Page 14.1271.7 Figure 2: Assembled and internal components of a clock’s mechanism – (a) front view of entire assembly, and (b) front plate removed to illustrate the meshed gear trains3.2 Motion Analysis of Clock Pendulums (Lab II)The mechanical properties of a clock’s pendulum such as the moment of inertia and frequencywill be analyzed using
Unigraphics NX software was used to analyze specific parts of the Unirac rail system. Theanalysis result is shown in Fig. 6(b). (a) (b)Figure 6. (a) The CAD model of the rack system; (b) The load analysis of the Unirac rail systemPresentation CompetitionThe final presentation competition was held at the end of semester. Students presented theirprojects simultaneously and interactively with their partners from two sites through video Page 14.1127.9conferencing system as shown in Fig. 7. WebEx was used to share and present PowerPointslides. The presentations were evaluated by the panel of
with safety related issues. Each presentation addresses adifferent safety issues. For example, one seminar dealt with providing a hands-on training onfire safety (Figure 1). EHS personnel brought in the necessary equipments and organized thesession in an open area. After few minutes of initial discussion, students had an opportunity touse the fire extinguisher on a gasoline fire. After-class discussions with the graduate studentsA. B. Figure 1. Fire safety demonstration. (A) Photograph of the setup used to demonstrate usage of fire extinguishers. (B) Hands-on experience of pull the pin on the fire extinguisher, aim the nozzle
AC 2009-511: HOW WELL DOES COLLABORATION WORK IN ENGINEERINGPROJECT CURRICULUM REDESIGN?Patsy Hulse, University of Auckland Patsy Hulse has been the Engineering Library Manager, The University of Auckland Library , Auckland, New Zealand for the past 18 years, and, in addition, since 2000, the Civil & Environmental Subject Librarian. Prior to this she was employed over many years in a variety of positions in the University of Auckland library system. She is a registered professional member of the New Zealand Library and Information Association, LIANZA. She has visited many engineering libraries worldwide during her many travels. There has been a particular emphasis on North America
achieved for themechanical specialization. The statement of program outcomes for the Mercer UniversitySchool of Engineering proposes that, among a number of other engineering and societalcapabilities, graduates will be able to “design and conduct experiments and analyze data.”5 This Page 14.52.4outcome and its assessment are intended specifically to address ABET engineering programcriterion 3(b)—“Engineering programs must demonstrate that their students attain the followingoutcomes: . . . (b) an ability to design and conduct experiments, as well as to analyze andinterpret data . . .”1 as well as SACS comprehensive standard 3.3.1—“The institution
mentionedearlier, this is a frame problem, but we assign it to students as a two-step, one body equilibriumproblem at the beginning of the semester. The first body they study is the lower arm, and theymust solve for the unknown forces in the biceps and the elbow. The second body they study isthe entire arm (lower arm, upper arm, and biceps). On that body, they must solve for the loads atthe shoulder E (which is assumed to be a fixed support, for static determinacy). Page 14.779.5 Figure 1 – Arm and Purse ProblemFigures 2 a&b show an idealized rendering of a keyboard. The goal is to calculate the forces atthe ground as well
, professional technical meetings, and team work.The course objectives include the following: 1. Perform and document research activities in a professional manner a. Perform literature searches b. Maintain a journal denoting all research activities c. Create a master research plan for future research direction 2. Summarize the research project’s past, present, and future goals 3. Complete research related tasks in a timely fashion with limited faculty supervision a. Create a plan for specific research activities b. Update and document progress on research activities c. Perform open-ended tasks as assigned by the instructor 4. Participate as an effective team member on the project a
AC 2009-781: WORKPLACE BULLIES: A RISING WORKPLACE CONCERN ANDDETRIMENT TO CAREER SUCCESSRalph Ocon, Purdue University, Calumet Page 14.1381.1© American Society for Engineering Education, 2009 Workplace Bullies: A Rising Workplace Concern and Detriment to Career SuccessAbstractAs engineering and technology students enter the workforce to begin their careers, theywill encounter several obstacles to their future professional success. In addition to havingto deal with career issues related to global competition and technological change, anadditional concern students are likely to encounter is workplace bullying. Duringinternships or as newly hired
expressed by the equation S 2µ S (2) µF = µ B + twhere t is the average thickness of the film. This equation is modeled after an equation byTrapeznikov [8]. µB was measured to be 0.95 x 10-3 Ns/m2, using a Gilmont falling ballviscometer. We were not able to measure µSS. Instead, we used Vorobieff and Ecke’s value forµSS, 1.5 x 10-5 g/s. Average film thickness t was calculated by dividing the flow rate by theproduct of the velocity and the width of the film [1]. Our calculations of Re=ρVd/µF ranged from77 to 551. Because of the uncertainty in the value of µSS and the film velocity, we sought a wayto test the
students. The students within each group did the experiments and datacollection together. However, each group member was required to submit a separate lab reportindividually. The lab report was graded based on its content, format, and language.Because lasers were involved in the experiments, the students were given laser safety trainingbefore the experiments. Also, during the experiments, the operation of the laser itself was mostlycarried out by the teaching assistant, who is also a graduate student of the author.The schematic of the system used in two experiments is shown in Fig.1 (a) and a real photo ofthe system is given in Fig. 1 (b). The laser module can be operated either in continuous mode orpulsed mode, and the laser beam is expanded by
,” John Wiley and sons, Inc., 2007. 2. Nash, R.f., 1988. The Rights of ature: A history of Environmental Ethics. Madison: University of Wisconsin Press. 3. Falk, Donald A., and Joy B. Zedler. 2005. Foundations of Restoration Ecology. Washington, D.C., Island Press 4. D. Pimentel et al., 1997. Water Resources: Agriculture, the Environment, and Society. Bioschienfe 4, 2. 5. Schiefer, H.B., D.G. Irvine, and S.C.Buzik. 1997. Understanding Toxicology: Chemicals, Their Benefits and Risks: Boca Raton, Fla. 6. Keller, E.A., and R.H. Blodgett. 2006. atural Hazards. Upper Saddle River, N.J.. Printice Hall. 7. Boyle, G., Everett, B. and Ramage, J. 2003. Energy Systems and Sustainability. Oxford, UK, Oxford
of a Cantilever Beam under Tip LoadBased on elastic bending theory, the (maximum) tip deflection of a cantilever beam is given bywhere E = modulus of elasticity of the beam material b = width of the beam t = thickness (depth) of the beamThe frog is launched into motion by pushing down on its tail, thereby storing elastic energy.Upon release, this energy is converted into kinetic energy, resulting in the frog attaining a launchvelocity Vo. If it is assumed that the potential energy of the frog at the instant of launch is zero(neglecting the slight depression below the datum), then equating the spring elastic energy to thefrog’s kinetic energy, we haveThe spring stiffness k is the elastic stiffness of a cantilever beam given
SA % a A %b D %c SD %d NE %eThe gains my students and I make in the classroom justify the amount oftime I spend preparing my Moodle course(s). 44.8 57.1 1.7 0 1.7The various class management tools (such as the gradebook, time-stamped submissions, and posting assignments) help me to stay 29.3 58.6 1.7 0 10.3organized.Working to prepare and integrate content, classroom activities, andonline assessment in a Moodle unit has improved my planning
grounded theoryapproach. Grounded theory is a qualitative research approach that is inductively derived fromthe study of the phenomenon it presents that is discovered, developed, and verified throughsystematic data collection and analysis of data pertaining to that phenomenon 1. b) Subject Settings Subjects were students who enrolled in this class. All of them are senior students major ininterior design. Ten subjects participated in both oral presentations and final project evaluationsas class required. c) Data Analysis Data were analyzed using two approaches with assessment elements: 1) analysis andevaluation of conceptual presentation and critique using four assessment variables (technicalcontent, clarity, visual materials and response