Conference Session

Distance, Remote, and Virtual Experiments

Collection

2007 Annual Conference & Exposition

Authors

John White, University of Massachusetts-Lowell; Leo Bobek, University of Massachusetts- Lowell

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Division Experimentation & Lab-Oriented Studies

the reactor dataacquisition system and the remote user.References1. J. R. WHITE, A. JIRAPONGMED and L. M. BOBEK, “A Web-Based System for Access to Real-Time and Archival Research Reactor Data”, Trans. Am. Nuc. Soc. (June 2004).2. P. JAIN, S. MARKIDIS, B. G. JONES, RIZWAN-UDDIN, J. R. WHITE, and L. M. BOBEK, “Web-casting of Nuclear Reactor Experiments”, Trans. Am. Nuc. Soc. (Nov. 2006).3. J. R. WHITE and L. M. BOBEK, “Reactor Operations Training via Web-Based Access to the UMass-Lowell Research Reactor,” Proceedings of Conference on Nuclear Training and Education, Jacksonville, Florida (Feb. 2007).4. The Nuclear101 website and UMLRR Online prototype, www.nuclear101.com/.5. InduSoft Web Studio, www.indusoft.com/.6. Centra Live for e

Conference Session

Distance, Remote, and Virtual Experiments

Collection

2007 Annual Conference & Exposition

Authors

Yaoye Li, Stevens Institute of Technology; Sven Esche, Stevens Institute of Technology; Constantin Chassapis, Stevens Institute of Technology

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Division Experimentation & Lab-Oriented Studies

@stevens.eduAcknowledgmentsThis work was supported by NSF Grant No. 0326309. This support is gratefully acknowledged.The collaborative efforts and discussions with Mr. Chenghung Chang are very much appreciated.References[1] Gustavsson, I. (2002). A remote laboratory for electrical experiments. Proceedings of the 2002 ASEE Annual Conference & Exposition, Montreal, Canada, June 16-19, 2002.[2] Esche, S. K. (2005). On the integration of remote experimentation into undergraduate laboratories - pedagogical approach. International Journal of Instructional Media, Vol. 32, No. 4, 2005.[3] Esche, S. K. et al. (2003). An architecture for multi-user remote laboratories, World Transactions on Engineering and Technology Education. Vol. 2, No. 1, pp. 7

Conference Session

NSF Grantees’ Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Hakan Gurocak, Washington State University, Vancouver; Ashley Ater Kranov, Washington State University

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Division Experimentation & Lab-Oriented Studies

somewhat reduced the amount of material included in the lectures. Table 2. Path generation module. Topic Content 1 Kinematics: A brief review of Kinematic relationships between position, velocity, basic concepts acceleration; graphical representations; examples 2 Common motion profiles 2.1. Trapezoidal velocity profile Derivation of kinematics formulas for position, velocity and acceleration profiles; examples using Excel 2.2. S

Conference Session

ELOS Best Paper Nominations

Collection

2011 ASEE Annual Conference & Exposition

Authors

Loren Limberis, East Carolina University; Jason Yao, East Carolina University

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Division Experimentation & Lab-Oriented Studies

Simulation Wheatstone Bridge Circuit Derive output voltage expression of the op Linearize the circuit to meet deisign amp-based Wheatsone bridge circuit with specification. Use Matlab as a design tool to respect to the thermistor and resistor network. assist in achieving the design goals. Analyze Write Matlab script to simulate the op amp circuit linearity of the design. Build the circuit. output voltage as s function of temperature. Week 3 – Voltage Comparing and Alarm Week 4 – System Integration and Design Circuits Design Characterization Design comparing circuit to cmpare voltage

Conference Session

DELOS Best Paper Nominations

Collection

2009 Annual Conference & Exposition

Authors

Jerry Keska, University of Louisiana, Lafayette

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Division Experimentation & Lab-Oriented Studies

Churn Cv (-) Churn 2 0.5 Dispersed Dispersed 2 0.4 Slug Slug 2 0.3 0.2 0.1 0 0 0.5 1 1.5 2 2.5 Time (s) Figure 3: Column with a Slug Flow (top left), ELVIS Digital Oscilloscope View of aSignal from the

Conference Session

Division Experimentation & Lab-Oriented Studies: Best Papers

Collection

2016 ASEE Annual Conference & Exposition

Authors

Kristen Ann Thompson, Loras College; Danial J. Neebel PE, Loras College

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Diversity

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Division Experimentation & Lab-Oriented Studies

rate is controlled by changing the position of a ball valvemounted before the meter. Calibration showed that this meter’s rotation rate increases linearlywith increased flow rates within this range tested. Details of the experimental apparatus areprovided in Appendix A and the lab manual is provided in Appendix B. Mass Flow Rate vs Electronic Meter Reading 0.40 0.35 Mass Flow Rate (kg/s) 0.30 0.25 0.20 0.15 0.10

Conference Session

NSF Grantees’ Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Kathleen L. Kitto, Western Washington University; Debra Sue Jusak, Western Washington University

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Division Experimentation & Lab-Oriented Studies

people interact with their environmentand how they can be enabled by the environment to undertake highly complex tasks thatwould usually be beyond the abilities of the unassisted individuals”32. Vygotsky firstexamined activity theory in the 1930’s. Later, Hutchins and many others have contributed Page 24.1222.5to research in distributed cognition32-38. Additionally, there have been studiesinvestigating why computers enhance student learning and results indicated that taskengagement increases at conceptual levels, student self-regulation increases, andexploration is encouraged35. There is also research to support that peers and socialinteractions are

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

Companies, a professional services firmspecializing in risk and insurance services. Based on reviews of the fire literature,andunderstanding of the use of the space, and a survey of office plans, students selected an officeload of 52 kg/m2 as a representative fuel load. Realizing that flames were still observed at thecollapse time of 102 min, students estimated a burn time for the 96th floor of WTC1 of 120 min.Finally, students used the estimated office load, total floor area of 2873 m2, and estimated burntime to approximate an overall burning rate of 21 kg/s. Scale analysis was then used in order todesign a small scale office load producing similar dimensionless local and overall burning ratesand burn times. The students designed 150 mm x 150 mm x

Conference Session

Unique Laboratory Experiments and Programs

Collection

2006 Annual Conference & Exposition

Authors

Charles Neuman, Queensborough Community College; David Lieberman, Queensborough Community College; Don Engelberg, Queensborough Community College; Alex Flamholz, Queensborough Community College; Paul Marchese, Queensborough Community College; George Tremberger, Queensborough Community College; Tak Cheung, Queensborough Community College

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Division Experimentation & Lab-Oriented Studies

benefited from several CUNY PSC grants.Appendix:An Excel program is used to calculate the force in a 4-charge configuration.Figure A-1: The R, S, T, U charges are located on two bars. R-S and T-U are differentpolarities for the case of magnets. The T-U bar scans horizontally. The two bars are of Page 11.1328.8equal length (15 cm). The vertical T-U bar is 1 cm above the horizontal R-S barThe Excel program is displayed below.The above Excel columns are used to compute the vertical forces on the horizontal bar as exertedby the vertical bar. The vertical bar scan across the horizontal bar and a plot of force versus scandistance can be generated. A log

Conference Session

NSF Grantees Poster Session

Collection

2006 Annual Conference & Exposition

Authors

John Lee, San Jose State University; Stacy Gleixner, San Jose State University; Tai-Ran Hsu, San Jose State University; David Parent, San Jose State University

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Division Experimentation & Lab-Oriented Studies

, Salt Lake City, UT, 2004, Session 3566.6 T. R. Hsu, “Teaching ME Undergraduates in MEMS Design and Manufacture”, ASME International Mechanical Engineering Congress and Expo, November 2000, Orlando, Florida, DE-10A.7 L. Lin, “Curriculum Development in Microelectromechanical Systems in Mechanical Engineering”, IEEE Transactions on Education, Vol. 44, No. 1, February, 2001, pp. 61-66.8 J. R. Davis, Interdisciplinary Courses and Team Teaching: New Arrangements for Learning, Westport, CT: American Council on Education and the Oryx Press, 2002, pp. 61-64.9 A. J. Muscat, E. L. Allen, E. D. H. Green, L. S. Vanasupa, "Interdisciplinary Teaching and Learning in a Semiconductor Processing Course", Journal of Engineering Education

Conference Session

Virtual and Distance Experiments

Collection

2006 Annual Conference & Exposition

Authors

Prakash Kripakaran, North Carolina State University; Abhinav Gupta, North Carolina State University; Vernon Matzen, North Carolina State University

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Division Experimentation & Lab-Oriented Studies

Page 11.1135.7 for enabling control and data acquisition with respect to the new experiment.References[1] C. L. Bohus, A. Crowl, B. Aktan, and M. H. Shor, “Running control engineering experiments over the internet,” in Proceedings of the 13th IFAC World Congress, (San Francisco, CA), 1996. paper no. 4c-03.[2] M. L. Corradini, G. Ippoliti, T. Leo, and S. Longhi, “An internet based laboratory for control education,”in Proceedings of the 40th IEEE Conference on Decision and Control, (Orlando, FL), December 2001.[3] S. E. Poindexter and B. S. Heck, “Using the web in your courses: What can you do? what should you do?,” IEEE Control System, vol. 9, no. 1, pp. 83–92, 1999.[4] A. Gupta, M. A. Gabr, and V. C. Matzen, “Alternatives in the

Conference Session

NSF Grantees’ Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Jianyu Dong, California State University, Los Angeles; Pearl Chen, California State University, Los Angeles

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NSF Grantees Poster Session

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Division Experimentation & Lab-Oriented Studies

-based Learning Curriculum in Microelectronics Engineering”, 14th IEEEInternational Conference on Parallel and Distributes Systems, 2008[3] K. Smith, S. Sheppard, D. Johnson, and R. Johnson, “Pedagogies of Engagement: Classroom-Based Practices,”Journal of Engineering Education, Vol. 94, No. 1, 2005, pp. 87-102.[4] B. A. Karanian, L. G. Chedid, M. Lande, G. Monaghan, “Work in Progress - Behavioral Aspects of StudentEngineering Design Experiences” in Proceedings of the 38th ASEE/IEEE Frontiers in Education Conference, NY,October 22 – 25, 2008.[5] L. Cooper and D. A. Kotys-Schwarts, “Designing the Design Experience – Identifying the Factors of StudentMotivation in Project-based Learning and Project Service-based Learning”, in Proceedings of the

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

., Tavener, S., Voss, K. Armentrout, S. Yaeger, P. and Marra, R., 1999, "Using Applied Engineering Problems in Calculus Classes to Promote Learning in Context and Teamwork," Proceedings - Frontiers in Education Conference, Vol. 2, 12d5-14.3. Barrow, D.L. and Fulling, S.A., 1998, "Using an Integrated Engineering Curriculum to Improve Freshman Calculus," Proceedings of the 1998 ASEE Conference, Seattle, WA.4. Hansen, E.W., 1998, "Integrated Mathematics and Physical Science (IMPS): A New Approach for First Year Students at Dartmouth College," Proceedings - Frontiers in Education Conference, Vol. 2, 579.5. Kumar, S. and Jalkio, J., 1998, "Teaching Mathematics from an Applications Perspective," Proceedings of the 1998 ASEE

Conference Session

Inter- and Multidisciplinary Laboratories

Collection

2008 Annual Conference & Exposition

Authors

Samuel Lakeou, University of the District of Columbia; Esther Ososanya, University of the District of Columbia; Wagdy Mahmoud, University of the District of Columbia; Fatou Mbengue, University of the District of Columbia; Bodjona Coboyo, University of the District of Columbia; Abdulaziz SIrag, University of the District of Columbia; Ben Latigo, University of the District of Columbia

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Division Experimentation & Lab-Oriented Studies

undergraduate research on the subject.Keywords: III-V Semiconductors, Concentrator Cells, High-Efficiency, MultijunctionSolar Cell, Gallium Arsenide Based Cells, Lattice-Mismatched, MetamorphicII. Solar Energy Basics a. Solar cell equationsThe basic structure of a solar cell is an illuminated (collection of photons, hv) P-Njunction as depicted in Fig. 1. When the junction is not illuminated, there exists ajunction built-in potential resulting from the formation of a space charge zone at thejunction level as shown in Fig. 2. When the junction is uniformly illuminated by photonswith hv > Eg (energy gap of the junction material), electron-hole pairs (EHP) will begenerated at a rate gop (in EHP/ cm3.s) and will participate in the diode

Conference Session

Laboratory Exercises for Energy, Power, and Industrial Applications

Collection

2012 ASEE Annual Conference & Exposition

Authors

Nebojsa I. Jaksic, Colorado State University, Pueblo

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Division Experimentation & Lab-Oriented Studies

, their position, velocity, and acceleration accuracy farsurpass their rotary equivalents. Today, linear motors are capable of achieving speeds up to 5 m/s(3 m/s average), and sub-micron accuracy1, 2. In railway transportation, linear motors are used inmagnetic levitation (maglev) train systems allowing achievement of high speeds unattainable byconventional trains3. However, most textbooks on electrical machines for undergraduateengineering students either do not cover linear motors at all or provide only a cursory coverageof the topic4.Since, in general, linear motors with accompanying controllers are expensive; their use inengineering education was fairly limited. Atencia et al.5 designed a low cost linear inductionmotor that can be used for

Conference Session

Electrical and Computer Engineering Laboratories

Collection

2010 Annual Conference & Exposition

Authors

Esther Ososanya, University of the District of Columbia; Samuel Lakeou, University of the District of Columbia; Wagdy Mahmoud, University of the District of Columbia; Amarachukwu C Ukaegbu, University of the District of Columbia; Lily Kemathe, University of the District of Columbia

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Division Experimentation & Lab-Oriented Studies

factor, we choose to measure the power whenthe system is set in DC MODE (Figure 3), which lead to a power factor of 1.This design was done in multiple steps using different type of hardware and software. The firststep was to obtain the value of the V (t) across the pump. In order to accomplish this task, weused the NI USB 4065 DMM, a digital multimeter which has the following characteristics ≠ Bus-powered for portability ≠ Small (7.0 by 4.1 by 1.3 in.) and lightweight (10 oz) ≠ 6½-digit resolution ≠ 7 built-in measurements - AC/DC voltage, AC/DC current, 2- or 4-wire resistance, and diode test ≠ ±300 VDC/Vrms isolation ≠ 3000 readings/s (maximum) at 4½ digitsThe second step was to measure the current flowing through

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

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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

Conference Session

Division Experimentation and Lab-Oriented Studies - Pedagogy of Lab Courses

Collection

2017 ASEE Annual Conference & Exposition

Authors

Tania Celli Machet, The University Of Sydney; David Lowe, The University of Sydney

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Division Experimentation & Lab-Oriented Studies

(6):527-540.5. Jona K, Adsit J. Goals, guidelines, and standards for student scientific investigations. North American Council for Online Learning. 2008. http://www.inacol.org/.6. Lindsay E, Good MC. Effects of laboratory access modes upon learning outcomes. Education, IEEE Transactions on. 2005;48(4):619–631.7. Kable S. Advancing Science by Enhancing Learning in the Laboratory (ASELL) Final Report 2012. Sydney; 2012. http://www.olt.gov.au/system/files/resources/CG9_1049__Kable_ Report_2012.pdf.8. Nedic Z, Machotka J. Remote Laboratory NetLab for Effective Teaching of 1 st Year Engineering Students. International Journal of Online Engineering (iJOE). 2007;3(3).9. Lowe DB, Murray S, Weber L, et al

Conference Session

Division Experimentation & Lab-Oriented Studies: Laboratory Pedagogy

Collection

2016 ASEE Annual Conference & Exposition

Authors

Renee M. Clark, University of Pittsburgh; Arash Mahboobin, University of Pittsburgh

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Division Experimentation & Lab-Oriented Studies

Communications and Technology, 3rd Ed.,(485-506), New York: Lawrence Erlbaum Associates.11 Jonassen, D. (2011). Supporting problem solving in PBL. Interdisciplinary Journal of Problem-Based Learning,5(2), 95-112.12 Bergmann, J., & Sams, A. (2012). Flip your Classroom Reach Every Student in Every Class Every Day.Eugene, OR: International Society for Technology in Education.13 Velegol, S., Zappe, S., & Mahoney, E. (2015). The Evolution of a Flipped Classroom: Evidence-BasedRecommendations. Advances in Engineering Education, 4(3).14 Collins, A., Brown, J., & Newman, S. (1989). Cognitive Apprenticeship: Teaching the Crafts of Reading,Writing, and Mathematics, In L. Resnick (Ed.), Knowing, Learning, and Instruction: Essays in Honor of

Conference Session

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

Collection

2015 ASEE Annual Conference & Exposition

Authors

Ning Wang, University of Houston; Siu Chun Michael Ho, University of Houston; Qianlong Lan, Texas Southern University; Xuemin Chen, Texas Southern University; Gangbing Song, University of Houston (CoE); Hamid R. Parsaei, Texas A&M University at Qatar

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Division Experimentation & Lab-Oriented Studies

., Nilsson, K., Zackrisson, J., Garcia-Zubia, J., Hernandez-Jayo, U., Nafalski, A. Hkansson, L.(2009). On objectives of instructional laboratories, individual assessment, and use of collaborative remotelaboratories. Learning Technologies, IEEE Transactions on, 2(4), 263-274.4. Abdulwahed, M., & Nagy, Z. K. (2013). Developing the TriLab, a triple access mode (hands-on, virtual, remote)laboratory, of a process control rig using LabVIEW and Joomla. Computer Applications in EngineeringEducation, 21(4), 614-626.5. Barrios, A., Panche, S., Duque, M., Grisales, V. H., Prieto, F., Villa, J. L. & Canu, M. (2013). A multi-userremote academic laboratory system. Computers & Education, 62, 111-122.6. Harward, V. J., Del Alamo, J. A., Lerman, S. R

Conference Session

NSF Grantees’ Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Zahed Siddique, University of Oklahoma; Firas Akasheh, Tuskegee University; Gül E. Okudan Kremer, Pennsylvania State University, University Park

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NSF Grantees Poster Session

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Division Experimentation & Lab-Oriented Studies

criticalthinking. In this environment, all participants have dual roles as students and instructors who areembedded in a collaborative environment where all learn collectively from each other’sexperiences, even the instructor. Our initial findings indicate that flat learning environments canhelp students in learning to solve ill-structured problems.AcknowledgementThis material is based in part upon work supported by the National Science Foundation underGrant Numbers DUE- 1141238, DUE- 1140664 and DUE-1141037. Any opinions, findings, andconclusions or recommendations expressed in this material are those of the author(s) and do notnecessarily reflect the views of the National Science Foundation. This manuscript was written

Conference Session

NSF Grantees’ Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Saeed Moaveni, Minnesota State University, Mankato; Karen C. Chou, Northwestern University

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NSF Grantees Poster Session

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Division Experimentation & Lab-Oriented Studies

states), sample calculations of each limit state todetermine the load carrying capacity of the connection, field examples, and a 3-D finite elementmodel of that connection. The 3-D model provides a visual display of stress distribution in theconnection area.The solid model of the steel sculpture was developed using Creo and converted to a 3-Dinteractive PDF file. This was done to avoid the need for purchasing the Creo software. A webpage was also developed where users can download the virtual sculpture and the linkeddocuments. Three survey forms were also developed with a slightly different focus to seekfeedback from students, educators, and recent engineering graduates. The user may completethe online survey form after s/he has had an

Conference Session

NSF Grantees’ Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Garrick A. Aden-Buie, University of South Florida; Autar Kaw, University of South Florida; Ali Yalcin, University of South Florida; Ram Pendyala, Arizona State University

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NSF Grantees Poster Session

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Division Experimentation & Lab-Oriented Studies

Florida (USF) College of Engineering. Any opinions, findings, andconclusions or recommendations expressed in this material are those of the author(s) and do notnecessarily reflect the views of the National Science Foundation.7 References[1] J. Biggs and C. Tang, Teaching for quality learning at university. McGraw-Hill International, 2011.[2] C. Rust, “The Impact of Assessment on Student Learning: How Can the Research Literature Practically Help to Page 24.195.12Inform the Development of Departmental Assessment Strategies and Learner-Centred Assessment Practices?”Active Learning in Higher Education, vol. 3, no. 2, pp. 145–158, Jul

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

the number of wires that you have to connect. Typically, groups of 5 holes are Each vertical group of 5 holes is connected. Every hole in this horizontal line is connected.The prelab asks students to find an expression for the transfer function Y(s)/U(s) for the systemfrom the equations in the Appendix, given the following system parameters: L = 1 m, xr = 0.25m, xf = 0.1 m, T /   1 m/s. Only look at the first five modes, that is, let n=5.Students are also asked to plot the frequency response of the vibrating string versus frequency in

Conference Session

ELOS Poster Session

Collection

2011 ASEE Annual Conference & Exposition

Authors

Curtis Brackett, Bradley University; David Zietlow, Bradley University

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Division Experimentation & Lab-Oriented Studies

D L P W F Student M Installed Orifice(s) S D Expansion tank Mount pumps in the same horizontal plane Figure 1: Pump and Pipe System Schematic The system schematic shows the

Conference Session

Division Experimentation & Lab-Oriented Studies: Aero and Mechanical Engineering

Collection

2016 ASEE Annual Conference & Exposition

Authors

John E Matsson, Oral Roberts University; John A. Voth, Oral Roberts University; Connor A. McCain, Oral Roberts University; Connor McGraw, Oral Roberts University

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Division Experimentation & Lab-Oriented Studies

’ positions, the height of the water varies accordingly (Figure 2).After measuring the heights of the fluid in each of the tubes, the airfoil’s pressure distributionmay be computed.ANSYS CalculationsUsing several tutorials and the professor’s instruction, one of the students conducted analysis ofthe NACA 2412’s aerodynamics on ANSYS’s Fluid Flow (Fluent) solver. Rather than rotatingthe wind velocity’s angle of attack, a formula was derived to rotate the base coordinates of theNACA 2412 by a certain angle ϴ. This method ensured the most consistent mesh across allangles that were tested. After importing the airfoil’s rotated coordinates, a mesh was generatedthat would strategically measure the aerodynamics of the airfoil at key regions. Across all

Conference Session

Interdisciplinary and Multidisciplinary Laboratories

Collection

2009 Annual Conference & Exposition

Authors

Robert Edwards, Pennsylvania State University, Erie; Gerald Recktenwald, Portland State University; Brian Benini, Case Western Reserve University

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Division Experimentation & Lab-Oriented Studies

the overall pedagogy involved. 4) Publishing all of the exercises on the website http://eet.cecs.pdx.edu.AcknowledgementsThis work is supported by the National Science Foundation under Grant No. DUE 0633754. Anyopinions, findings, and conclusions or recommendations expressed in this material are those ofthe author(s) and do not necessarily reflect the views of the National Science Foundation. Page 14.37.11 References:1. G. Recktenwald, R.C. Edwards, “Using Simple Experiments to Teach Core Concepts in the Thermal and Fluid Sciences,” Proceedings of the 2007 American Society for Engineering Education Annual Conference

Conference Session

Division Experimentation & Lab-Oriented Studies: Best Papers

Collection

2016 ASEE Annual Conference & Exposition

Authors

Anahid Behrouzi, University of Illinois, Urbana-Champaign; Daniel Kuchma, Tufts University

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Diversity

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Division Experimentation & Lab-Oriented Studies

week. The topics/activities foreach week and their type classification(s) are listed in Table 1. In this table, classifications A-Cwere developed by the authors to describe teaching approaches used in the DBE course thatrange from fully deductive to a combination of deductive/ inductive; D-G are based on theinquiry classification scheme proposed in Tafoya et al.7 and expanded by Staver and Bay8; andH-L are drawn from a comprehensive review of inductive teaching approaches assembled byPrince and Felder5. In general the classifications are listed left to right in Table 1 ranging fromdeductive to increasingly self-directed, inquiry-based methods. The remainder of this section willdefine each classification in the context of the DBE course.Table 1

Conference Session

Computer-Assisted Lab Studies

Collection

2007 Annual Conference & Exposition

Authors

Julio Garcia, San Jose State University; Patricia Backer, San Jose State University

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Division Experimentation & Lab-Oriented Studies

27 29 29Modal score(s) 23 (6) 27, 30, 31 (3) 29, 31 (3) 27 (5) 27 (5) 32 (5)Midrange 29 27 28 31 28.5 28Between the pre-test and the post-test, the mean score for 2005 increased by 1.8 points (or 3.6%),compared to 3.6 points (7.2%) for the 2004 cohort. The median score increased by 1 point,compared to 2 points in 2004. The modal score was lower than two of the 2004 modal scores.Overall, the pre-test and post-test scores were higher in 2005 than in 2004, but they showed lessimprovement.Considering individual students’ changes in test scores, fifteen of the twenty-four students (or62.5%) in 2005 improved their scores on the

Conference Session

Design of Lab Experiments I

Collection

2007 Annual Conference & Exposition

Authors

Lanny Griffin, California Polytechnic State University

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Division Experimentation & Lab-Oriented Studies

that the process of adhesionof cells from a liquid suspension onto solid substrates may be related to the free energy ofthe adhesion [2] (∆Gadh). ∆Gadh = γ cs − γ cl − γ sl (2)In Equation 2, the symbol γ represents the surface interfacial free energy and thesubscripts, c, s, and l refer to cell, solid, and liquid, respectively. Compare Equations 2and 1 – how are they similar? For net negative free energies (high γs), the conditions arefavorable for cellular adhesion, whereas, for a net positive free energy (low γs), theconditions are unfavorable (Figure 3).The cell-solid interfacial energy is dependent on the cell type and solid substrate, but itcan be calculated as [2] 2