Conference Session

Teams and Teamwork in Design II

Collection

2007 Annual Conference & Exposition

Authors

Mario Blanco, California Institute of Technology; Kenneth Pickar, California Institute of Technology; Luz Marina Delgado, GEMA; Oscar Arce, Universidad Rafael Landivar; Jeff Kranski, California Institute of Technology; Francoise Herrera, Universidad Rafael Landivar; Charles MacVean, Universidad Rafael Landivar

Tagged Divisions

Design in Engineering Education

todeliver their baskets. They spend around Q. 20.00 (US$ 2.50, 1 Quetzal=$0.13), in lightningproducts like candles and charcoal, and another Q.22.00 (US$ 2.55), in batteries for theirportable radios per month. That is Q. 42.00 (US$ 5.00) per month, almost 30% of their totalmonthly income.3.2 Example 2: Independence through Mobility, An Affordable WheelchairMission: To provide alternative, inexpensive means of transportation for poor, disabled peoplein Guatemala and later, other developing countries.Market Research: Generally, it is estimated that over 20 million people in developing countriessuffer from disabilities that severely limit their mobility, independent of assistive mechanisms.In the case of Guatemala, the major causes of handicap include

Conference Session

Special Session on Fixed-Point Education

Collection

2007 Annual Conference & Exposition

Authors

David Anderson, Georgia Institute of Technology; Tyson Hall, Southern Adventist University

Tagged Divisions

Computers in Education

numbers between decimal, floating–point, and fixed–point number formats including Q–formatted numbers and canonical signed digits. 2. Synthesize digital logic and fixed–point signal processing systems using VHDL. 3. Design filters that are robust to quantization effects. 4. Design hardware filters using distributed arithmetic. 5. Optimize hardware filters given realistic design constraints using a variety of filter design tech- niques. 6. Design the hardware to implement an adaptive filter. 7. Describe the relevant theory and implementation of an adaptive filter. 8. Describe the trade–offs (including precision, accuracy, dynamic range, implementation size, and signal–to–noise ratio) between fixed

Conference Session

Best Zone Paper Competition

Collection

2007 Annual Conference & Exposition

Authors

Mark Miles, United States Military Academy; C.M. Chewar, United States Military Academy

their learning during the second half of the semester. Pre Mid-Term Post Mid-Term Lab1 Lab2 Lab3 Lab4 Lab5 Lab6 Trial 1 3 3.3 3.1 4 4.2 4.3 Trial 2 3.3 3.8 3.6 3.9 4 4.1 Q: How much did you learn from this Lab Assignment? (0-5, 0 being lowest) Table 2: Student feedback from Mid-Course and End-Course Survey Pre Mid-Term Post Mid-Term Lab1 Lab2 Lab3

Conference Session

Thermodynamics and Fluid Mechanics Instruction

Collection

2007 Annual Conference & Exposition

Authors

Stephen McClain, Baylor University; Christopher Smitherman, University of Alabama-Birmingham

Tagged Divisions

Mechanical Engineering

. T-High Q-High 3 kPa 10 © Pa 3 condenser 2 TH ( 273 - 25) © K TL ( 273 / 45) © K Ammonia W-in PL_NH3 100© kPa PH_R22 200© kPa 4 1 Heat Exchanger 3 2 kg mdotNH3 0.2© FT 10© K s R-22

Conference Session

Emerging Trends in Engineering Education Poster Session

Collection

2007 Annual Conference & Exposition

Authors

Brandon Hathaway, Rose-Hulman Institute of Technology; Ashley Bernal, Rose-Hulman Institute of Technology; Cory Edds, Rose-Hulman Institute of Technology; Neil Miller, Rose-Hulman Institute of Technology; Richard Layton, Rose-Hulman Institute of Technology; David Fisher, Rose-Hulman Institute of Technology; Howard McLean, Rose-Hulman Institute of Technology; Patrick Ferro, Rose-Hulman Institute of Technology

. Figure 2.2 is arepresentation of activation energy. In this study the reactant is the material with its initial grainsize and the product is the increased grain size due to heat treatment. Figure 2.2: Schematic of energy diagram for a material undergoing grain growth. The reactant is the specimen with an initial grain size while the product is the specimen at its final, larger, grain size. ‘Q’ is the energy added to the system in order for grain growth to occur.2.3 Broader Impacts / Interesting QuestionsThe selection of grain size and activation energy as the focus of this study is used to gleananswers to several interesting questions that exist in regard to octahedrite meteorites. Not all ofthese questions will have

Conference Session

What's New in Dynamics?

Collection

2007 Annual Conference & Exposition

Authors

Jiang Zhou; Paul Corder, Lamar University; Kendrick Aung, Lamar University

Tagged Divisions

Mechanical Engineering

and an electrical system. For a spring-damper-massmechanical system in Figure 1(a), mass, damping coefficient, and stiffness are represented by m,b, and k respectively. If the excitation force is f(t), the equation of motion in terms ofdisplacement x(t) is m%x% - bx% - kx ? f (t ) (1) Page 12.1364.3For the electrical system in Figure 1(b), L, C, and R represent the inductance, capacitance, andresistance respectively. Mathematical modeling in terms of electrical charge q is as following,when the voltage source e(t) is applied. 1 Lq

Conference Session

ECET Curriculum

Collection

2007 Annual Conference & Exposition

Authors

Peter Goodmann, Indiana University-Purdue University-Fort Wayne

Tagged Divisions

Engineering Technology

architecture5.For obvious reasons, it was necessary to minimize the cost and complexity of this project.Experimentation with SDR hardware and software has recently become widespread in theAmateur Radio community, where minimization of cost and complexity are similarly important.Much of this activity has been focused on the Near-Zero-IF approach, in which the RF band ofinterest is downconverted to the audio frequency range. A/D conversion is then performed by aPC sound card. The sound card’s two input channels, normally used as “left” and “right”channels for stereo sound recording, are used as “in-phase” (I) and “quadrature” (Q) signalprocessing channels as shown in Figure 1. The Flex Radio Systems SDR-10006,7,8,9, aproduction high-frequency (HF, or

Conference Session

Design of Lab Experiments I

Collection

2007 Annual Conference & Exposition

Authors

Oscar Ortiz, LeTourneau University; Paul Leiffer, LeTourneau University

Tagged Divisions

Division Experimentation & Lab-Oriented Studies

: 1. Diodes and Rectifiers 2. Semiconductor Physics 3. Two-Ports, Load Lines and Biasing 4. Piecewise-Linear Models 5. Q-Point Stabilization, Thermal and Environmental Considerations 6. Emitter Follower, Common Base and Common Emitter, Coupling and Loading 7. Power Amplifier, Transformer Coupling 8. Operational Amplifiers 9. N and P channel depletion and enhancement MOSFETTo provide the students with an enhanced hands-on experience of the electronic componentsstudied in their lectures, a set of 12 learning oriented, pre-defined labs are incorporated in a twohour lab course. These labs cover the following topics

Conference Session

Integrating Mathematics, Science, and Engineering

Collection

2007 Annual Conference & Exposition

Authors

John Quintanilla, University of North Texas; Nandika D'Souza, University of North Texas; Jianguo Liu, University of North Texas; Reza Mirshams, University of North Texas

Tagged Divisions

Mathematics

uniform load of intensity q. The deflection v(x) of the beam satisfies the conditions qx 2 qL2 v' ' ( x ) = − qLx + , 2 2 v' (0) = 0, v ( 0) = 0. Solve this initial-value problem for v(x). Your answer will involve q and L. • A cantilever beam is subjected to a moment M0 acting at the free end. The strain energy is defined to be equal to L M2 U = ∫ 0 dx, Page 12.938.5 0 2 EI 4 where the

Conference Session

Computed Simulation and Animation

Collection

2007 Annual Conference & Exposition

Authors

William Ziegler, State University of New York-Binghamton

Tagged Divisions

Computers in Education

Solutions,Computing in Science and Engineering, vol. 8, no. 1, January/February 2006, pp.73-774. J. Watkins, G. Piper, K. Wedeward and E.E. Mitchell, Computer Animation: A Visualization Tool for DynamicSystems Simulations, Proceedings of the 1997 ASEE Annual Conference, June 15-18, 1997, Milwaukee, WI5. A. J. Valocchi and C.J. Werth, Web-Based Interactive Simulation of Groundwater Pollutant Fate and Transport,Computer Applications in Engineering Education, vol. 12, no. 2, 2004, pp.75-83.6. R. Jacquot, University of Wyoming, College of Engineering, www.eng.uwyo.edu/classes/matlabanimate7. www.fao.org/docrep/T0551E/t0551e05.htm8. Animusic, Austin, Texas, http://www.animusic.com/company-contact-info.html9. http://video.google.com/videosearch?q

Conference Session

Design in the ECE Curriculum

Collection

2007 Annual Conference & Exposition

Authors

Wagdy Mahmoud, University of the District of Columbia

Tagged Divisions

Electrical and Computer

IDCT core can be designed using the same techniques used for designing the 1D-DCTcore.c) 2-D DCT: The 2-D DCT is used to compute the DCT coefficients of a N × M sub-image. The algorithm for computing the coefficients is based on the following equation [3] M −1 N −1 c ( p ) c (q )  (2m + 1)π p   (2n + 1)π q  XC pq = ∑ ∑ X N mn ⋅ ⋅ cos   ⋅ cos   (5) m=0 n=0 4  2M   2N The algorithms can be implemented using two 1-D DCT cores as shown in Figure 2. Block diagram to implement 2-D DCTThe 1-D DCT of each row of the sub-image is

Conference Session

Improving ME Instructional Laboratories

Collection

2007 Annual Conference & Exposition

Authors

John Matsson, Oral Roberts University

Tagged Divisions

Mechanical Engineering

) ν∞where U∞ is the free stream velocity, c is the chord length of the airfoil and ν ∞ = µ∞ / ρ∞ is thekinematic viscosity of the fluid where µ∞ is the dynamic viscosity and ρ∞ is the density. Thepressure distribution over the airfoil is expressed in non-dimensional form by the pressurecoefficient p − p∞ Cp = (2) q∞ Page 12.123.5where p is the surface pressure measured at different locations on the airfoil surface, and p∞ ,q∞ = ρ∞U∞2 /2 are the free stream static and dynamic pressure, respectively. The pressurecoefficient

Conference Session

Pedagogical Issues in Manufacturing Education

Collection

2007 Annual Conference & Exposition

Authors

Jitendra Tate, Texas State University-San Marcos; Vedraman Sriraman, Texas State University-San Marcos

Tagged Divisions

Manufacturing

, Basics 10 8.05 1.44 80.50 Final Q4-8Composite Materials Calculations 10 6.95 3.62 69.50 Final Q9-11Composite Lay-up Processes 10 8.9 1.29 89.00 Final Q12-15Vacuum Bagging Processes 10 7.8 2.04 78.00 Final Q 16-19Filament winding 10 8.2 2.86 82.00 Final Q 20-22Research paper: Report 100 85.4 3.72 85.40 Research paperResearch paper: Presentation 50 33.2 11.88 66.40 PresentationTable 4. Student learning outcomesTopic Max Average Std. DeviationPolymer materials – Chemistry 8

Collection

2007 Spring ASEE Middle Atlantic Section Conference

Authors

Tom M. Warms; Renee Drobish

node and its contents areinitialized to the indicated values; the trace uses the symbol ADDR0 to represent the new node's address.Thus the value of ADDR0->word is "memory," and the left and right pointers at that location are bothNULL. In addition, ADDR0 is assigned to pnew. When insert is called, root is the actual parametercorresponding to reference parameter q. The statement labeled (1) causes both to be set to ADDR0, sothat root now points to this new node. The "before" and "after" representations of the tree are,respectively, above and below the trace.A second trace shows how the insertion routine can insert an element into its alphabetical position in anon-empty tree. In the following, the root word is "computer"; its right child is

Collection

2007 Spring ASEE Middle Atlantic Section Conference

Authors

Phil Dacunto P.E.; Mike Hendricks

calculate impacts. Due to its flexibility inprogramming applications, and its ability to handle large matrices of data, we chose Matlab to perform thecalculations of downwind plume concentrations. We chose ESRI’s ArcMap 9.1 for visualization andanalysis. We created the custom application so that students would be able to use it without previousexperience with either program.Calculating Downwind Concentrations - MatlabThe algorithm employed in the Matlab application calculated downwind, ground level concentrationsusing the Gaussian plume equation (Cooper and Alley, pg 612)1: ⎛ y2 ⎞ ⎧ ⎛ ( z − H )2 ⎞ ⎛ ( z + H )2 ⎞⎫ C= Q exp

Conference Session

Experiences in Teaching Energy Courses

Collection

2007 Annual Conference & Exposition

Authors

Brendan Egan, Milwaukee School of Engineering; Stephen Dechant, Milwaukee School of Engineering; Christopher Damm, Milwaukee School of Engineering

Tagged Divisions

Energy Conversion and Conservation

, and to exhaust) wasdetermined. ⋅ 28.7 kW Q amb = = 0.082 = 8 percent 348.5 kW ⋅ 76.3 kW Q cooling = = 0.2189 = 22 percent 348.5 kW ⋅ 115 kW E elec = = 0.3299 = 33 percent 348.5 kW ⋅ 128 kW Q exhaust = = 0.367 = 37 percent 348.5 kWThese percentages were used in the EES model in order to calculate the heat flow to each areawhen the system electrical output was modified.Using the EES model, the following table was constructed to detail the electrical energygenerated and heat load provided by the exhaust gas boiler for different engine loads. Table 2

Conference Session

Capstone Design & Project Courses

Collection

2007 Annual Conference & Exposition

Authors

Matthew Green, LeTourneau University; Paul Leiffer, LeTourneau University; Thomas Hellmuth, LeTourneau University; Roger Gonzalez, LeTourneau University; Stephen Ayers, LeTourneau University

Tagged Divisions

Multidisciplinary Engineering

Notebooks Grading Other Reports Grading & PrototypesTwo presentations are required of each team during the fall semester. One presentation is givenapproximately the 8th week of the semester when the students present the fall semester midtermdesign review. This presentation is 15 minutes in length with 15 minutes of Q&A. A secondpresentation is given during finals week when the team presents the end of semester review andis 30 minutes in length with 30 minutes of Q&A. A minimum of 3 to 4 faculty members arepresent at these presentations, with 2 to 3 outside engineering professionals present at the end ofsemester review. External reviewers and faculty members not

Conference Session

Technology Integration in the Classroom for Manufacturing I

Collection

2007 Annual Conference & Exposition

Authors

Yongjin Kwon, Drexel University; Shreepud Rauniar, Drexel University; Richard Chiou, Drexel University; Horacio Sosa, Drexel University

Tagged Divisions

Manufacturing

) q /1 yi ? yr - Â S y ,m © bm / bm/1 - S y ,q ÇÉbi / bq /1 Ú - g y m ?1where n = the number of columns, m = the number of rows, p and q = the number of grids fromthe origin where P (ai , bi ) is located, and g x & g y = imprecision involved in the scaling. In order tocapture the moving objects on a conveyor, a series of images is taken at a fixed rate of 75 framesper second and the time interval between each frame is calculated. The algorithms in the APIautomatically detect the center of moving object and translate that into robot coordinates. Thespeed of the object is defined as

Conference Session

Curriculum Development and Delivery Modes in Nuclear Engineering

Collection

2007 Annual Conference & Exposition

Authors

James Holloway, University of Michigan

Tagged Divisions

Nuclear and Radiological

two effects really compensate each other? Additionally, are we successfully accounting forthe path-length generated within the region due to particles born from a volumetric source? We now challenge the students with this problem: Imagine an arbitrary 3-D body Γ, and select a direction Ω ˆ and differential solid 2 ˆ angle d Ω around it. The flux ψ(r, Ω) is known, as is the volumetric source Q(r, Ω) ˆ throughout Γ (including external sources and inscatter sources). Select a differential tube through this body with cross sectional area dA (See Fig. 2) and compute the path-length generated within this tube during a time interval T by particles traveling

Conference Session

Mechanics Division Poster Session

Collection

2007 Annual Conference & Exposition

Authors

Ing-Chang Jong, University of Arkansas; Joseph Rencis, University of Arkansas

Tagged Divisions

Mechanics

upward displacement. Page 12.240.3 A positive slope is a counterclockwise angular displacement.III. Derivation of Model FormulasAny beam element of differential width dx at any position x may be perceived to have a left faceand a right face. Using singularity functions,8-10 we may write, for the beam ab in Fig. 1, theloading function q, shear force V, and bending moment M acting on the left face of the beamelement at any position x for this beam as follows: q ? Va > x @/1 - M a > x @/2 / P > x / xP @/1- K > x / xK @/2/ w0 > x / xw @0 w / w0

Conference Session

ChE: Computers and Simulation in the Classroom

Collection

2007 Annual Conference & Exposition

Authors

Jason Keith, Michigan Technological University; Faith Morrison, Michigan Technological University; Julia King, Michigan Technological University

Tagged Divisions

Chemical Engineering

, mR = inside capillary tube radius, mL = capillary tube length, mFor a laminar, incompressible, Newtonian fluid, the shear rate at the circular pipe wall,γ wall can be calculated from the microscopic balances4. The result is shown below.γ wall = (4Q)/(πR3) = (32Q)/(πD3) 8V/D= 4V/R (2)Where: Q= volumetric flow rate, m3/sV= average fluid velocity, m/sThe Hagan-Poiseuille equation can also be calculated from the microscopic solution forthis problem4, and may be used to calculate the viscosity of a laminar, Newtonian,incompressible fluid ∆PR 2V = (3) 8µLThe equations for Reynolds number and entrance length2, Le

Conference Session

Optical and Wireless Communication Systems

Collection

2007 Annual Conference & Exposition

Authors

Ernest Kim, University of San Diego

Tagged Divisions

Electrical and Computer

tool created byProfessor Fritz Dellsperger at the Berne University of Applied Sciences (Switzerland). Thedemonstration version of Berner Smith Chart program is used. This software tool offers a veryeasy graphical user interface that allows designers to select circuit elements and their values andallow use of stability, gain, VSWR and noise figure circles as well as map constant Q contours.A truly added bonus of this free demonstration software package is the ability to import deviceS-parameters to the designs. The S-parameters are imported at .s2p extension files identical tothat found in the Agilent ADS software package.The second free demonstration software package used is the Ansoft Designer SV (SV for StudentVersion). Ansoft Designer

Conference Session

Technology Integration in the Classroom for Manufacturing II

Collection

2007 Annual Conference & Exposition

Authors

Jahangir Ansari, Virginia State University; Amir Javaheri, Virginia State University; Nasser Ghariban, Virginia State University

Tagged Divisions

Manufacturing

of the project. After planning, they proceeded to the designactivities composed of creating solid model of parts and assembly considering the machines androbots dimensional specifications. Students then conducted the manufacturing process andfinally did a final review and evaluation of their project. c) Responsibility description and team organization o Student 1(M)/ Project Manager + Assembly process o Student 2 (Q)/Product Design Coordinator + o Student 3 (D)/ Manufacturing Process Design Coordinator/ Milling FMC Coordinator o Student 4 (C)/ Manufacturing Support Coordinator + Fixture design and fabrication o Student 5 (A)/ Turning FMC Coordinator + SecretaryTeam

Conference Session

Experiential and Service Learning

Collection

2007 Annual Conference & Exposition

Authors

Larry Bland, John Brown University

Tagged Divisions

Multidisciplinary Engineering

X X X X X X I 6 GM #2 X X X X X X I 8 GM #3 X X X X X X 5 GM #4 X X X X X X 6 GM #5 X X X X X X Q 5 GM #6 X X X X X X 5 GM #7 X X Y X X X 6(10) GM #8 X X X X X X Q 7 GM #9 X X X

Conference Session

FPD11 -- Multidisciplinary Experiences

Collection

2007 Annual Conference & Exposition

Authors

Mehrube Mehrubeoglu, Texas A&M University - Corpus Christi; Lifford McLauchlan, Texas A&M University-Kingsville

Tagged Divisions

First-Year Programs

; ^ ‘ “ % ~ / U X L 4 8 I B M 3 b) E R W 6 Q * , 0 1 ; : O 5 N Page 12.24.11 T F Y f) J ? !The message is encoded using the CIPHER according to the following rules. There may berepeated numbers or characters in which case you may choose one of the repeated ones to applythe following rules to.8,9The message is broken into pairs of characters

Conference Session

Mobile Robotics in Education

Collection

2007 Annual Conference & Exposition

Authors

David Ahlgren, Trinity College; Igor M Verner, Technion--Israel Institute of Technology

Tagged Divisions

Computers in Education

TCFFHRC and a fourth-place finish in the Navigation Challenge of the 2005 IGVC, naturally have built studentconfidence. The RST is divided into project groups, each focusing on a specific robot design.Every member of the RST chooses one or more projects and is expected to report regularly to theweekly RST seminar, which the second author supervises. In the fall of 2006, the team worked Page 12.336.3on four projects: (1) A new autonomous land vehicle (named Q). From 2000-2006 this group designed and competed with another IGVC robot, ALVIN. Q is an entirely new design based on an electric racing wheelchair. In the fall of 2006 the

Conference Session

Computer Education Management Tools

Collection

2007 Annual Conference & Exposition

Authors

Lupita Montoya, Rensselaer Polytechnic Institute; Chris Moore, Rensselaer Polytechnic Institute

Tagged Divisions

Computers in Education

accessed the complete notes prior to the midterm. Bot 52% Comparison of Group Performance Top 48% Midterm 2, Q Topics 4/5 & 18 Percentage who accessed notes Item Criterion Low Performance Ave Performance

Conference Session

Assessment and Evaluation in Engineering Education II

Collection

2007 Annual Conference & Exposition

Authors

Kirk Allen, Purdue University

Tagged Divisions

Educational Research and Methods

hypothetical three-category Likert-style item. Subjects of low abilityare more likely to endorse the “Low” category (dark blue, e.g., 0.84 probability at θ = -2.0).Middle-ability subjects are relatively evenly split between the three options, while high-abilitysubjects display a pattern similar to that encountered for dichotomous items. At each θ value, thepredicted values sum to 1. In fact, a dichotomous response is a simplification, with only tworesponse categories (correct symbolized as P, and incorrect symbolized Q, where P + Q = 1). 1.0 0.9 0.8 0.7 Probability of response

Conference Session

Multidisciplinary Design in the Classroom

Collection

2007 Annual Conference & Exposition

Authors

Robert Creese, West Virginia University; Deepak Gupta, West Virginia University

Tagged Divisions

Design in Engineering Education

30 40 15 Al Ti-13V-11Cr-3Al 4 Q& St St e

Conference Session

Distance, Remote, and Virtual Experiments

Collection

2007 Annual Conference & Exposition

Authors

Richard Chiou, Drexel University; Yongjin Kwon, Drexel University; Shreepud Rauniar, Drexel University; Horacio Sosa, Drexel University

Tagged Divisions

Division Experimentation & Lab-Oriented Studies

, Issue 6, pp. 501-507.6. Ahn, S. H., Bharadwaj, B., Khalid, H., Liou, S. Y. and Wright, P. K., “Web-BasedDesign and Manufacturing Systems for Automobile Components: Architectures andUsability Studies,” International Journal of Computer Integrated Manufacturing, 15,pp.555–563, 2002.7. Feng, J., “Internet-Based Reverse Engineering,” International Journal of AdvancedManufacturing Technology, January, 2002.8. Hu, H., Yu, L., Tsui, P. W. and Zhou, Q, “Internet Based Robotic System forTeleoperation, Assembly, and Automation,” International Journal of AssemblyAutomation, Vol.21, No.2, pp.143-151, 2001. Page 12.952.159. Huang, G. Q. and Mak, K. L., “Web-integrated