Conference Session

NSF Grantees’ Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Steven W. Villachica, Boise State University; Donald Plumlee, Boise State University

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NSF Grantees Poster Session

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Division Experimentation & Lab-Oriented Studies

Paper ID #8617Forming a Coalition to Decrease Freshout Rampup Time in the EngineeringWorkplace: A Business Plan for an Academic, Industry, and GovernmentPartnershipDr. Steven W Villachica, Boise State University Steve Villachica is an Associate Professor of Instructional and Performance Technology (IPT) at Boise State University. His research interests focus on leveraging expertise in the workplace in ways that meet organizational missions and business goals. He is currently working on an NSF grant to increase engineer- ing faculty adoption of evidence-based instructional practices [NSF #1037808: Engineering Education

Conference Session

Innovative and Computer-Assisted Lab Studies

Collection

2006 Annual Conference & Exposition

Authors

Rafic Bachnak, Texas A&M University-Corpus Christi; Mike Englert, Texas A&M University-Corpus Christi

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Division Experimentation & Lab-Oriented Studies

wirelessly through aportable device to a base station for analysis and storage. The data is transmittedwirelessly through a modem, received by a personal computer, and analyzed through theuse of different software programs. The paper also presents test results of a practicalexample.IntroductionData logger units are versatile equipment used in today’s industry and is being taught inmany engineering and engineering technology curricula [1-4]. Such units provide usefulinformation that allows an analyst to perform a variety of tasks, including: (a) Creatingmodels, testing prototypes, analyzing results, and adapting to changing test andmeasurement needs, (b) Validating product concepts and ensuring product durability,functionality and safety, (c

Conference Session

Mechanical and Architectural Engineering Laboratories

Collection

2010 Annual Conference & Exposition

Authors

Anthony Toyama, Texas A&M University at Qatar; Reza Sadr, Texas A&M University at Qatar

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Division Experimentation & Lab-Oriented Studies

Arab GulfStates. Proceedings, 2005 Annual Conference of the American Society for Engineering Education.[8] Al-Sammik, A., Al-Shehabi, H. (2006) Special Issue: From Region to Countries: Engineeringeducation in Bahrain. IEEE Technology and Society Magazine 25. 2. Pg. 12-17.[9] Akili, W. (2005). Active Learning: A Range of Options Intended for Engineering Faculty in the Arab GulfStates. Proceedings, 2005 Annual Conference of the American Society for Engineering Education.. Page 15.739.12[10] (2009) Education City Enrollment. TAMUQ Internal Document. 12-9-2009.[11] Oberst, B., Jones, R. (2006) Today and Tomorrow: Engineering Education

Conference Session

NSF Grantees’ Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Nathan W. Klingbeil, Wright State University; Anthony Bourne, Wright State University

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NSF Grantees Poster Session

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Division Experimentation & Lab-Oriented Studies

%+/*!! :.;" ?8" )$%" !!!" !!" ($%" '$%" &$%" #$%" *+,,-./"0"1+.,-23"*3343.2" 1+.,-23"*3343.2" *+,,-./"*3343.2" 5678393.2"" CD-E"5FGHD-E":15I" CJ8K7"5FGHD-E":15I" !!! CD-E"5FGHJ8K7":15I" CJ8K7"5FGHJ8K7":15I" !,A$#%B"!!,A$%)B"!!!,A$%#B"!!!!,A$%%#" Figure 7. The Role of Motivation by APCM GroupAs shown in Figure 7, students who ultimately graduated in engineering indicated that EGR 101increased their motivation to study engineering more strongly than students who ultimately didnot graduate, which is consistent with the results of Figure 3. The statistically significantdifference was for the Purpose Seekers

Conference Session

Division Experimentation & Lab-Oriented Studies: Electrical and Control Engineering

Collection

2016 ASEE Annual Conference & Exposition

Authors

Stephen E. Frempong, State University of New York - Canton

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Division Experimentation & Lab-Oriented Studies

Electronic Communications courseThis paper discusses one of the projects in ElectronicCommunications II course which gives students the opportunity tothink and apply their knowledge in electronics, communicationsand mathematics to design, build and test frequency modulatedcommunication transmitter. The course is also designed to meetABET general criteria 3: Student Outcomes (b, d, e). Thetransmitter consists of four blocks. There is audio source blockwhich is a computer to provide the audio signal that needs to bemodulated, a frequency modulator circuit that is used to combineboth the audio and the high frequency carrier, a high frequencyoscillator circuit that generates above 88MHz and below 108MHzcarrier, a power amplifier to

Conference Session

Remote and Network-based Laboratories

Collection

2012 ASEE Annual Conference & Exposition

Authors

Rick Williams, East Carolina University; Loren Limberis, East Carolina University; Rebel Umphlett, BioNetwork Capstone Center; David Hobson Yarley, BioNetwork Capstone Center

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Division Experimentation & Lab-Oriented Studies

) 0 0 0 0 0Total (18) 2 5 2 9 3 Page 25.1075.8Table 2: Industrial Chromatography Pre-test ScoresQuestion Student Scores (points) Student A Student B Student C Student D Student E 1 (2) 2 2 1 0 0 2 (5) 1 2 1 1 0 3 (1) 0 0 1 0 0 4 (2) 0 0 0 0 0 5 (5

Conference Session

NSF Grantees’ Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Mafruhatul Jannat, Oregon State University; David S. Hurwitz, Oregon State University; Shane A. Brown P.E., Oregon State University

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NSF Grantees Poster Session

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Division Experimentation & Lab-Oriented Studies

% 4% 5% 4% 0% 0% 0% 0% 0% 0% 0% 2% 0% 0% 3% 0% 0% 0% Strongly Agree Neutral Disagree Strongly Strongly Agree Neutral Disagree Strongly Agree Disagree Agree Disagree (a) (b)Figure 1: Changes in participant beliefs that active learning and conceptual

Conference Session

Outstanding Contributions to Student Learning through Laboratory Experiences

Collection

2013 ASEE Annual Conference & Exposition

Authors

Bridget M. Smyser, Northeastern University; Gregory J Kowalski, Northeastern University

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Division Experimentation & Lab-Oriented Studies

least 15 years old, with some dating back as far as 1986 in essentially thesame form. In Fall 2010 the course was taken over by instructor B, but otherwise retained thesame format, lab experiments, and project.It was clear at the end of Fall 2010 that the lab handouts were extremely dated and confusingto the students. For example, the handouts instructed students to bring a floppy disk to lab,despite the fact that this technology is clearly out of date and no longer used. Because of thisand in response to student feedback, instructor B kept the same lab experiments for Spring2011, but completely rewrote and updated the lab handouts in order to clarify objectives andanalysis questions. Instructor B also increased the number of active lecture

Conference Session

LABVIEW-Based Experiments and Robotics Laboratory

Collection

2009 Annual Conference & Exposition

Authors

Jason Yao, East Carolina University; Edwin Bartlett, East Orthopedics

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Division Experimentation & Lab-Oriented Studies

. Page 14.413.6Sensor Installation:Mounting devices (see Figure 8) were designed with SolidWorks® to attach the two pieces (one slidingpiece and one fixed) of the linear displacement sensor to the plunger and the syringe case, respectively.An “L”-shaped bracket holds the sliding bar of the displacement sensor and attaches it to the plunger(Figure 8 (b)); a sheath device holds the fixed part of the displacement sensor to the syringe case (Figure8 (a)). The force sensor is glued to the upper surface of the L-shaped device (see Figure 8 (c)). Force  (b) (a) (c

Conference Session

Computer-Assisted Lab Studies

Collection

2007 Annual Conference & Exposition

Authors

Ramesh Prasad, University of New Brunswick-St. John; Ryan Munro, University of New Brunswick-St. John

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Division Experimentation & Lab-Oriented Studies

”. (a) (b) Figure 1 Schematic Diagram Showing (a) Calorimeter Cross-section3 (b) Oxygen Bomb2Experimental ProcedureThe experimental process consists of the steps recommended and outlined in detail in theInstruction Manual2 of this apparatus. The procedure is briefly described here.1. PreparationsThe preparation for this experiment consists of the following steps carried by students underproper supervision: (i) Fuel Sample and Fuse Wire: A sample of solid fuel in powder form is pressed to form a pellet in a pellet press. The mass of the fuel sample should be about 1 gram (maximum 1.5 gram). The fuel pellet is carefully placed in a combustion capsule in

Conference Session

NSF Grantees’ Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Angela Minichiello, Utah State University; Joshua Marquit, Utah State University ; Jim Dorward, Utah State University; Christine E. Hailey, Utah State University

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NSF Grantees Poster Session

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Division Experimentation & Lab-Oriented Studies

beliefs about their calculus class (either a Project CALCclass or a regular calculus class). In its original form, the Project CALC survey consists of 40closed-ended 4-point Likert scale questions with response categories ranging from StronglyAgree (“A”) to Strongly Disagree (“D”). Somewhat Agree (“B”) and Somewhat Disagree (“C”)are provided as intermediate choices. Response options A through D are provided in alphabeticalorder, left to right. For the purpose of the study, we tailored the original survey in several ways. Weexpanded the scale of each question to a 7-point scale in order to provide for sufficient variabilityin responses as well as a designate a true midpoint and thus allow a neutral selection. Wechanged the A-D response

Conference Session

Innovations in Mechanical Engineering Experiments and Labs

Collection

2007 Annual Conference & Exposition

Authors

Glen Thorncroft, California Polytechnic State University; J. Scott Patton, California Polytechnic State University; Raymond Gordon, California Polytechnic State University

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Division Experimentation & Lab-Oriented Studies

for comparison with a phenomenological model, as well as a meansof gaining further physical insight into the process. Moreover, the comparison of these twotechniques provides an opportunity to explore a different pedagogy to this classic fluidmechanics experiment. In this work, the authors develop a model for predicting the pressure and temperature ofair charging into or discharging out of a tank. The model incorporates compressible flow in bothchoked and subsonic flow, and models the air as a general polytropic process of power n. Themodel is applied to two scenarios: (a) an initially pressurized tank discharged to atmosphere, and(b) an initially evacuated tank being charged from atmosphere. The polytropic exponent, n, isfound

Conference Session

Division Experimentation & Lab-oriented Studies: Electrical and Computer Engineering Labs

Collection

2015 ASEE Annual Conference & Exposition

Authors

Valentin Siderskiy, NYU Polytechnic School of Engineering; Aatif Ahmed Mohammed, NYU Polytechnic School of Engineering; Vikram Kapila, NYU Polytechnic School of Engineering

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Division Experimentation & Lab-Oriented Studies

)   G v + (G − G )E , if v ≥ E .  b R a b 1 R 1Although the schematic of Figure 1 is drawn in a fashion such that it is easy to comprehend how (1)and (2) arise from the shown interconnections, it is not obvious how to physically realize the circuitsince some components may not be readily available off-the-shelf, e.g., the nonlinear component ofthe circuit, the Chua’s diode. Moreover, as previously indicated, the implementation of an inductor-gyrator is preferred in lieu of an inductor. We implement the Chua’s diode schematic presentedby Ref. 7 and the inductor-gyrator presented by Ref. 5 as shown in Figure 2. In most literature,the instructions for building a

Conference Session

Division Experimentation & Lab-Oriented Studies - Mechanical Engineering Labs

Collection

2017 ASEE Annual Conference & Exposition

Authors

Ryan Curtis Darfler, California State University, Maritime University; William W. Tsai, California State University, Maritime Academy

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Diversity

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Division Experimentation & Lab-Oriented Studies

, variable flow velocities. With that goal in mind, the next step was todefine the requirements that would define a successful water flume design. The followingobjectives were identified at the outset of the project: A. The construction costs should be less than $3500. B. The construction can be carried out by undergraduate. C. The water flume will provide “low velocity” flow-rates up to 2 ft/s in the test section to replicate tidal and river flows. D. The water flume will fit in a laboratory with limited space. For this particular laboratory, this meant a maximum 7’ x7’ footprint and having the ability to relocate the experiment easily.The basic layout of the resulting design is shown in Figure 2. Each of the key components

Conference Session

LABVIEW-Based Experiments and Robotics Laboratory

Collection

2009 Annual Conference & Exposition

Authors

Yanfei Liu, Indiana University-Purdue University, Fort Wayne

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Division Experimentation & Lab-Oriented Studies

of thepaper.VEX Robotics KitThe VEX standard kit was selected for the laboratory experiments. This kit includes motors, geartrains, metal frames and shafts, basic sensors, controller and program modules. The VEXcontroller is composed of two PIC 18F8520 μCs. The sensors include two light sensors, twolimit switches and two bumper switches. The programming hardware includes an USB-to-SerialCable, a VEX programming module, and a RJ11 phone cable. For the software, a MPLAB C18compiler for the VEX system provides a true C programming environment. The USB-to-SerialCable, VEX programming module, and phone cable are to be connected together as shown inFigure 1 (a). Figure 1 (b) shows the downloading of a program into the VEX controller. (a

Conference Session

NSF Grantees’ Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Tina Hudson, Rose-Hulman Institute of Technology; Shannon M. Sipes, Rose-Hulman Institute of Technology

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NSF Grantees Poster Session

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Division Experimentation & Lab-Oriented Studies

in Fig. 1. The circuit thatthe students are intending to test, called a device-under-test (DUT – A in Fig. 1), is inserted into atest board, called the device-interface-board (DIB – B in Fig. 1). Depending on the lab, the DUTwill be a comparator, a DAC, or an ADC. The DIB contains circuits that will allow the DUT to beplaced into different configurations for different specification tests (e.g. input bias current, offsetvoltage, linearity, propagation delay, etc.). The DIB circuits may be as simple as load structures(output resistors and/or capacitors) or input resistors to gain up input current measurements, or ascomplicated as negative feedback servo-loops to force the device into a known state. Relays areactivated to change the DIB

Conference Session

Laboratory Experiences in Signal Processing and Controls

Collection

2013 ASEE Annual Conference & Exposition

Authors

Bonnie H. Ferri, Georgia Institute of Technology; Aldo A. Ferri, Georgia Institute of Technology; Kenneth A Connor, Rensselaer Polytechnic Institute

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Division Experimentation & Lab-Oriented Studies

Paper ID #7647BYOE: Mobile Experiment for Signals and Systems - Analysis of a GuitarStringDr. Bonnie Ferri, Georgia Institute of Technology Bonnie Ferri is a Professor and Associate Chair for Undergraduate Affairs in the School of Electrical and Computer Engineering at Georgia Tech. She received her BS in EE from Notre Dame, her MS in MAE from Princeton, and her PhD in EE from Georgia Tech. She spent two years working for Honeywell, Inc. as a controls engineer. She has spent 10 years working on hands-on education and has won several awards including the Harriet B. Rigas Award from the IEEE Education Society.Dr. Aldo A

Conference Session

Division Experimentation & Lab-Oriented Studies - Mechanical Engineering Labs

Collection

2017 ASEE Annual Conference & Exposition

Authors

Jeffrey A. Donnell, Georgia Institute of Technology; Philip Varney, Georgia Institute of Technology; David MacNair, Georgia Institute of Technology; Aldo A. Ferri, Georgia Institute of Technology

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Division Experimentation & Lab-Oriented Studies

involved must be invested in the concept and practice of inquiry- based laboratory education. Methods must exist for assessing student performance in regard to previously- established course objectives. Course grades and student enjoyment, though useful, are not commensurate with assessing student performance.ReferencesAbdulwahed, M. and Nagy, Z.K., 2009, “Applying Kolb’s Experiential Learning Cycle forLaboratory Education,” Journal of Engineering Education, Vol 98, No. 3, pp 283-293.Allen, J. B., Barker, L. N., & Ramsden, J. H., 1986, “Guided inquiry laboratory,” J. Chem. Educ,63(6), 533.Berg, C. A. R., Bergendahl, V. C. B., Lundberg, B., & Tibell, L., 2003, “Benefiting from anopen-ended experiment? A comparison of attitudes to

Conference Session

Best Paper Presentations

Collection

2015 ASEE Annual Conference & Exposition

Authors

Eric Constans, Rowan University; Shivakumar I Ranganathan, Rowan University; Wei Xue, Rowan University

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Division Experimentation & Lab-Oriented Studies

the simplicity to be built by students over the course offive semesters. The research is designed to test two hypotheses: 1. A long-term design project that integrates knowledge from multiple courses strengthens student knowledge retention. 2. A large-scale design project requiring tools from many courses improves student problem-solving and design skills.By integrating five semesters of the mechanical engineering curriculum into a cohesive whole,this project has the potential to transform the way undergraduate education is delivered. Beforeand after testing is being conducted to assess: a) Change in retention between courses and b)Change in student problem-solving and design skills.The centerpiece of the hybrid powertrain is

Conference Session

Division Experimentation & Lab-Oriented Studies: Electrical and Control Engineering

Collection

2016 ASEE Annual Conference & Exposition

Authors

Jason Yao, East Carolina University; Brent Walter Reed

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Division Experimentation & Lab-Oriented Studies

(See Appendix 2): a. How does the waveform generator work? b. How is the cycling time of the alternation achieved? c. How does the brightness of the two LEDs alternate? d. What are the changes need to be made in order to drive a heavier load? ib2 vo v- v1 v+ ib1 Figure 2. An alternatingly fading LED circuitProject AssessmentReferring to a validated Pittsburg Engineering Freshman Attitude Survey [12], the two hands-onprojects

Conference Session

Laboratory Experiences in Signal Processing and Controls

Collection

2013 ASEE Annual Conference & Exposition

Authors

Matthew G Feemster, U.S. Naval Academy

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Division Experimentation & Lab-Oriented Studies

    s s approximately 30  deg  . separate speed control loop implemented on the vehicle. Table 1: Model parameter values for the Traxxas EMaxx vehicle  The students are then required to design a controller to achieve the following control objectives: a) Closed-loop stability. b) Steady state error is zero for a step heading reference command of  ref  90 . c) The vehicle must exhibit a settling time of approximately Ts  5.0  sec  and an overshoot of approximately %OS  2% for a step heading reference command of  ref  90 . d) The control algorithm must not request more

Conference Session

Pedagogical Innovations in Laboratory Education

Collection

2011 ASEE Annual Conference & Exposition

Authors

Richard Chiou, Drexel University; Yongjin (James) Kwon, Ajou University; Robin Kizirian, Drexel University; Matthew Dordai; Bret Alan Davis, Drexel University

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Division Experimentation & Lab-Oriented Studies

commands to the devicewhich causes it to make the transition from one state to another while the device gives feedbackto the PLC with the device’s current state. An example of a state diagram is shown in Figure 2.The state diagram describes a device with two states, A and B. A transition of signal“PLC_Output_1” from low to high causes the state machine to transition from state A to state Band perform any actions in the simulation defined by that transition. The system is then at state B.A transition of signal “PLC_Output_2” from low to high causes the state machine to transitionfrom state B to state A and perform any actions in the simulation defined by that transition. Figure 2: PLCStudio state diagramThe PLC

Conference Session

NSF Grantees’ Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Jennifer Vernengo, Rowan University; Stephanie Farrell, Rowan University; Jennifer Kadlowec, Rowan University; Johannes Strobel, Texas A&M University

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NSF Grantees Poster Session

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Division Experimentation & Lab-Oriented Studies

Biomaterials. Liverpool: Liverpool UniversityPress; 1999.2. Polymer Characterization Techniques.247-56.3. Ratner B, Hoffman AS, Schoen FJ, Lemons JE. Biomaterials Science: AMultidisciplinary Endeavor. Biomaterials Science: A Introduction to Materials in Medicine. SanDiego: Elsevier Academic Press; 2004. p. 1-9.4. Moss A. Use of Selected Medical Device Implants in the United States. Hyattsville, MD:National Center of Health Statistics, 1988.5. Black J, Shalaby SW, LaBerge M. Biomaterials Education: An Academic Viewpoint.Journal of Applied Biomaterials. 1992;3:231-6.6. Vanderbilt N, Texas, and Harvard-MIT Engineering Research Center.http://www.vanth.org/curriculum/curr_bio_domains.asp.7. Saterbak A, editor Laboratory

Conference Session

NSF Grantees Poster Session

Collection

2006 Annual Conference & Exposition

Authors

Mohan Krishnan, University of Detroit Mercy; Shuvra Das, University of Detroit Mercy; Sandra Yost, University of Detroit Mercy; Kathleen Zimmerman-Oster, University of Detroit Mercy

Tagged Divisions

Division Experimentation & Lab-Oriented Studies

around the development of an “Introduction to Mechatronics” course1-5. For thisproject, we have identified the following goals: (a) to address the need of industrial partners tohave engineers educated in the principles and applications of mechatronics, (b) to improve Page 11.162.2student competencies in communication skills, teamwork, and project management through theincreased use of team-oriented, project-based, interdisciplinary approaches to instruction inmechatronics, (c) to increase in engineering students an appreciation for lifelong learning bydelivering instruction in mechatronics to this population, and (d) to increase the participation

Conference Session

Division Experimentation & Lab-Oriented Studies: Electrical and Control Engineering

Collection

2016 ASEE Annual Conference & Exposition

Authors

Harry Courtney Powell, University of Virginia; Maite Brandt-Pearce, University of Virginia; Ronald D. Williams P.E., University of Virginia; Robert M. Weikle, University of Virginia; Lloyd R. Harriott, University of Virginia

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Division Experimentation & Lab-Oriented Studies

inductors and capacitors) that allows students to samplethe voltage waveform at discrete tie points along the line. This simulated transmission line wasdesigned at the University of Virginia, and we can make the plans and manufacturing documentsavailable to other universities. This experimental platform was used for a wide variety of mini-projects that explored standing waves. Figure 21 (b) shows the set-up for characterizing loads byobserving the reflection on a 100 foot long 50 Ω coaxial cable. (a) (b)Figure 21 (a) Photograph of an artificial transmission line implemented for investigating wave propagation in ECE 3209. (b) Test set-up for

Conference Session

Outstanding Contributions to Student Learning through Laboratory Experiences

Collection

2012 ASEE Annual Conference & Exposition

Authors

Sushil K. Chaturvedi, Old Dominion University; Jaewan Yoon, Old Dominion University; Rick McKenzie, Old Dominion University; Petros J. Katsioloudis, Old Dominion University; Hector M. Garcia, Old Dominion University; Shuo Ren, Old Dominion University

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Division Experimentation & Lab-Oriented Studies

laboratory instruction a virtual experimentat the very last must include: (a) hands-on activities (interactivity), and (b) a realistic simulationof the experiment in a laboratory like environment (immersion). It should be noted that bench-type physical experiments have drawbacks of high capital cost, limited (one time) exposure toexperiments and limited students’ interaction with experiments due to large student group sizes.As a result student learning does not always reach expected levels [11-12]. Bourne has stated that Page 25.724.3student learning achieved through online virtual experiments may be comparable to learningachieved through bench

Conference Session

NSF Grantees’ Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Reza Curtmola, New Jersey Institute of Technology; John D. Carpinelli, New Jersey Institute of Technology; Linda S. Hirsch, New Jersey Institute of Technology; Howard S. Kimmel, New Jersey Institute of Technology; Levelle Burr-Alexander, New Jersey Institute of Technology

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NSF Grantees Poster Session

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Division Experimentation & Lab-Oriented Studies

Anatomy, Biology, Environmental Science, and even Spanish. Participantsreceived 20 hours of professional development credit.The program was structured into two workshop sessions. The first session, during the summer of2012, consisted of three days of hands-on instruction. It focused on several instructional topics,including (a) Overview of Cloud Services, (b) Storing and Sharing Data in the Cloud, (c) Cloudsin Education and Collaboration in and out of the Classroom, (d) Cloud-based Tools for Real-timeCollaboration, (e) Course Management using Piazza, (f) Standards-based Lesson Planning andPost-workshop Assignment, (g) Creating a Lesson Plan, and (h) Using Public Data SetsAvailable in Amazon’s Cloud. At the end of the three-day workshop

Conference Session

DELOS Best Paper Nominations

Collection

2009 Annual Conference & Exposition

Authors

Gene Liao, Wayne State University; Chih-Ping Yeh, Wayne State University; Qunfang Liao, Panasonic Automotive Systems

Tagged Divisions

Division Experimentation & Lab-Oriented Studies

identifier. The version of CAN 2.0B extends to a 29-bitidentifier. Figure 5 shows the CAN 2.0 protocol layers for A and B. The CAN module for theM16C29 microcomputer is a communication controller implemented with a CAN 2.0B protocol.CAN 2.0B has application, data link and physical layers. The application layer generates orinterprets data and actually sends and receives messages. The object layer is responsible forhandling messages, such as selecting a transmitted or received message, working as an interfacebetween the transfer layer and the application program running on the CPU. The transfer layerensures that messages adhere to the protocol. The physical layer defines the physical (hardware)implementation and the electrical (signal level

Conference Session

Design of Lab Experiments I

Collection

2007 Annual Conference & Exposition

Authors

Andre Marshall, University of Maryland; James Quintiere, University of Maryland

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Division Experimentation & Lab-Oriented Studies

directions. You may note that the flames arerelatively higher and the smoke less opaque than observations in the actual fire. Both of theseeffects are likely due to scale. The openings in the model are concentrated in the middle of eachface to simplify adding ventilation at the appropriate time. If the flames were distributed overthe entire face, shorter flames would have been observed. It should also be noted that becausethe opacity of the smoke is a function of the path length, the smoke from the small scale modelwill appear less opaque even for similar smoke density. Figure 10 shows post-burn photographsof the scale model. Figures 10 (a) and (b) show complete burn out of the wood cribs. Figure 10(c) shows that soot produced in the fire remained

Conference Session

Electrical and Computer Engineering Laboratories

Collection

2011 ASEE Annual Conference & Exposition

Authors

Nael Barakat, Grand Valley State University; Lihong (Heidi) Jiao, Grand Valley State University

Tagged Divisions

Division Experimentation & Lab-Oriented Studies

proteins and nucleic acids. Hydrophobic interaction is thefoundation for the existence of life. b. Microcapsulation and smart paper: The objectives of this lab were to introduce themicroencapsulation technology used in “smart” paper and to understand the different methodsused to break microcapsules and benefit from nanotechnology.Both carbonless copy paper and thermal paper are called “smart” paper. Carbonless copy paperis coated with a variety of chemicals. The coated back sheet has a layer of microcapsules thatcontain an invisible ink. The coated front sheet has a coating of a co-reactant, which whenexposed to the colorless ink in the microcapsules reacts with them to produce color.Microcapsules keep the reactants away from each other until