Conference Session

Miscellaneous Topics in Energy Education

Collection

2014 ASEE Annual Conference & Exposition

Authors

Ryan L. Falkenstein-Smith, Syracuse University; Jeongmin Ahn, Syracuse University; Kang Wang

Tagged Divisions

Energy Conversion and Conservation

Page 24.1055.10students as they pursue their goals in an engineering career.AcknowledgmentsThe funding was provided by the L.C. Smith Faculty Excellence Award.References1. S. D. Sheppard, K. Macatangay, A. Colby, W. M. Sullivan, Educating Engineers: Designing for the Future of the Field. Carnegie Foundation for the Advancement of Teaching (2008).2. E. J. Coyle, L. H. Jamieson, W. C. Oakes, Integrating Engineering Education and Community Service: Themes for the Future of Engineering Education. Journal of Engineering Education (2006) 7-11.3. Combustion and Energy Research (COMER) laboratory. Available from: http://lcs.syr.edu/faculty/ahn/4. D. W. Johnson, R. T. Johnson, K. A. Smith, Active Learning: Cooperation in the College Classroom 8th

Conference Session

Ocean and Marine Division Technical Session 1

Collection

2014 ASEE Annual Conference & Exposition

Authors

Moustapha Diab, University of Maryland Eastern Shore; Uche Ezechi, University of Delaware; Mohamad Dyab, University of Maryland Eastern Shore; Abhijit Nagchaudhuri, University of Maryland, Eastern Shore; Madhumi Mitra Ph.D, University of Maryland, Eastern Shore

Tagged Divisions

Ocean and Marine

. Nagchaudhuri, A., Mitra, M., Zhang, L., & all, e. (2013). AIRSPACES: Air-propelled Intrumented Robotic Sensory Platform(s) for Assateague Coastline Environmental Studies- A Multidisciplinary Experiential Learning and Research Project at a Minority Serving Land Grant Institution. IEEE Frontiers in Education Conference (pp. 1623-1625). IEEE.4. Lego Mindstorms NXT. http://www.lego.com/en-us/mindstorms/?domainredir=mindstorms.lego.com5. Dexter Industries DGPS. http://www.dexterindustries.com/dGPS.html6. Vernier Sensors. http://www.vernier.com/products/sensors/7. ARCGIS website. http://www.esri.com/software/arcgis8. IDETC 2013. http://www.asmeconferences.org/IDETC2013/index.cfm

Conference Session

NSF Grantees’ Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Matthew W. Ohland, Purdue University and Central Queensland University; Richard A. Layton, Rose-Hulman Institute of Technology; Misty L. Loughry, Georgia Southern University; David Jonathan Woehr, University of North Carolina Charlotte; Daniel M. Ferguson, Purdue University, West Lafayette; Eduardo Salas, University of Central Florida; Kyle Heyne, University of Central Florida

Tagged Topics

NSF Grantees Poster Session

Tagged Divisions

Division Experimentation & Lab-Oriented Studies

Methods.  Loughry, M. L., Ohland, M. W., & Woehr, D. J. (2013, August 9-13). Assessing Teamwork Skills for Assurance of Learning Using CATME Team Tools. Paper presented at the Annual Meeting of the Academy of Management, Lake Buena Vista, FL.  Ohland, M. W., Loughry, M. L., Layton, R. A., Lyons, R., Ferguson, D. M., Heyne, K., & Driskell, T. Woehr, D. J., Pomeranz, H.R., Salas, E., Loignon, A.C., Sonesh, S. C. (2013, June 23-26). SMARTER Teamwork: System for Management, Assessment, Research, Training, Education, and Remediation for Teamwork. Paper and poster presented at the NSF Grantees’ session. Proceedings of the 2013 American Society of Engineering Education Annual Conference &

Conference Session

General Technical Session 1

Collection

2014 ASEE Annual Conference & Exposition

Authors

Christian Rogers, Indiana University-Purdue University Indianapolis; Jerry Clyde Schnepp, Bowling Green State University

Tagged Divisions

Computers in Education

Closed-book Exams on Student Achievement in an Introductory Statistics Course. PRIMUS. 2. Dickson, K. L., & Miller, M. D. (2005). Authorized crib cards do not improve exam performance. Teaching of Psychology, 32, 230-233. 3. Erbe, B. (2007). Reducing test anxiety while increasing learning: The cheat sheet. College teaching, 55(3), 96–98. doi:10.3200/CTCH.55.3.96-98 4. Funk, S. C., & Dickson, K. L. (2011). Crib card use during tests: Helpful or a crutch? Teaching of Psychology, 38, 114-117. 5. Gharib, A., Phillips, W., & Mathew, N. (2012). Cheat Sheet or Open-Book? A Comparison of the Effects

Conference Session

Teaching and Assessment Methodologies

Collection

2014 ASEE Annual Conference & Exposition

Authors

M. Austin Creasy, Purdue University (Statewide Technology); Nicole Otte, Central Nine Career Center

Tagged Divisions

Manufacturing

bothparticipants helped in answering student questions. This course also helped the students becomeacquainted with college faculty and this familiarization should help with difficulties that somestudents experience with the transition to college.References1. (2013) Economic Opportunities through Education by 2015 (EcO15). [Facts about workforce skills, educational data, and other supported programs of EcO15], http://www.eco15.org/index.php.2. Hicks, T., and Heastie, S. (2008) High School to College Transitions: A Profile of the Stressors, Physical and Psychological Health Issues that Affect the First-Year On-Campus College Student, Journal of Cultural Diversity 15, 143-147.3. (n.d.) U.S. Department of Education (DOE). Teacher

Conference Session

Best of Computers in Education Division

Collection

2014 ASEE Annual Conference & Exposition

Authors

David B. Knight, Virginia Tech Department of Engineering Education; Cory Brozina, Virginia Tech; Steven Culver, Virginia Tech

Tagged Divisions

Computers in Education

Paper ID #9265Technology in classrooms: How familiar are new college students with thepedagogy?Dr. David B Knight, Virginia Tech Department of Engineering Education David Knight is an Assistant Professor in the Department of Engineering Education and affiliate faculty with the Higher Education Program at Virginia Tech. His research focuses on student learning outcomes in undergraduate engineering, interdisciplinary teaching and learning, organizational change in colleges and universities, and international issues in higher education.Mr. S. Cory Brozina, Virginia TechMr. Steven Culver, Virginia Tech

Conference Session

Engineering and Public Policy Division Technical Session 1: In the Classroom

Collection

2014 ASEE Annual Conference & Exposition

Authors

Rylan C. Chong, Purdue University, West Lafayette; Melissa Dark, Purdue University, West Lafayette; Dennis R. Depew, Purdue University, West Lafayette; Ida B. Ngambeki, Purdue University, West Lafayette

Tagged Divisions

Engineering and Public Policy

Conference Session

Curriculum & Student Enrollment II

Collection

2014 ASEE Annual Conference & Exposition

Authors

Miguel Bazdresch, Rochester Institute of Technology

Tagged Divisions

Engineering Technology

, Vol. 26, No. 4, Nov. 1983, pp. 170—172. 5. Sandige R. S., “Top-Down Design Process for gate-Level Combinational Logic Design”, IEEE Transactions on Education, Vol. 35, No. 3, Aug. 1992, pp. 247—252. Page 24.1299.6 6. Hadjilogiou, J., “An Innovative Top-Down Approach to Teaching Engineering Courses”, in Proc. of the 2001 Frontiers in Education Conference, pp. 19—24.

Collection

2014 Fall ASEE Middle Atlantic Section Conference

Authors

JERRY-DARYL FLETCHER; LeeRoy Bronner; Yacob Astatke

S tudies show that the demand for professionals in Science Technology Engineering and Mathematics (STEM) fields is increasing, with a projected increase of 11.35% [1]. Here inEngineering Education (ASEE) cataloged several strategies the U.S., the jobs of the future are STEM and the demand forand practices for retaining engineering and technologystudents in American universities, however, none of the professionals in STEM fields is projected to outpace the supplyinstitutions were a

Collection

2014 Fall ASEE Middle Atlantic Section Conference

Authors

Pritpal Singh; Maria Virginia Moncada

projects are proceeding relativelywell by working around many of these issues. Some changes are being considered for the nextround of projects based on the lessons learned from the experiences executing the program for thefirst time. Details of the changes to the program to make the projects run more smoothly will bepresented at a future conference.References[1] P. Singh, S. Kulkarni, E. Keech, R. McDermott-Levy, and J. Klingler, “Progress on Making Healthcare more accessible to Rural Communities in Waslala, Nicaragua, using Low-Cost Telecommunications, IEEE Global Humanitarian Technology Conference (Seattle, WA), Oct. 30-Nov. 1, 2011[2] P. Singh, R. McDermott-Levy, E. Keech, B. Mariani, J. Klingler and M.V. Moncada, “Challenges and

Collection

2014 Fall ASEE Middle Atlantic Section Conference

Authors

Carla D. Wheaden

@gmail.com). 2where ni represents the number of cycles a structure Table I. ANOVA Resultsexperiences of a stress at level i, and Ni is the number of Source DF Seq SS Adj SS Adj MS F Pcycles at stress level i that a structure can experience before Month 11 3160.6 2370.0 215.5 1.49 0.143failure, taken from the S-N curve of the

Collection

2014 ASEE Zone 1 Conference

Authors

Sunil Dehipawala; Vazgen Shekoyan; Haishen Yao

. Phys. 53, 839– 842 (1985).13. Ibrahim Abou Halloun and David Hestenes, ‘‘The initial knowledge state of college physics students,’’ Am. J. Phys.53, 1043–1055 (1985).14. Susan McCammon, Jeannie Golden, and Karl K. Wuensch, ‘‘Predicting course performance in freshman and sophomore physics courses: women are more predictable than men,’’ J. Res. Sci. Teach.25, 501–510 (1988).15. W. K. Adams, K. K. Perkins, N. S. Podolefsky, M. Dubson, N. D. Finkelstein, and C. E. Wieman, “New instrument for measuring student beliefs about physics and learning physics: The Colorado Learning Attitudes about Science Survey,” Phys. Rev. Spec. Top. - PER 2, 010101 (2006).16. Murat Bursal and Lynda Paznokas, “Mathematics Anxiety

Collection

2014 ASEE Zone 1 Conference

Authors

Frank Caserta; James McCusker; Gloria Ma

learning. BMJ 2003;326:328-30.[9] AK, S., The effects of computer supported problem based learning on students’ approaches tolearning, Current Issues in Education, 14(1)[10] Vekli, Gulsah and Cimer, Atilla, Procedia - Social and Behavioral Sciences 47 ( 2012 ) 303--- 310[11] Backus, John, IBM Systems Journal, 4(1):73-80[12] Moler, Cleve, PhD Thesis, Stanford University, 1965[13] Mathworks, http::www.mathworks.com/company/newsletters/news_notes/clevescorner/dec04.html?s_cid:wiki_matlab_3 last accessed 3/2013[14] MSC Software Corporation, Working Model, MSCSoftware, San Mateo, California, 2000[15] Rickmers, Albert and Todd, Hollis, Statistics, McGraw Hill, New York, 1967Fig. 1Fig. 2Appendix A Educational Research Question: Find the horizontal

Collection

2014 ASEE Zone 1 Conference

Authors

Mohamed Ben Haj Frej; Christian Bach

. Akyildiz, J. Xie, and S. Mohanty, “A Survey on MobilityTo demonstrate the strength of RPIIH, we have used ns-2 Management in Next Generation All-IP Based Wireless Systems,” IEEEsimulator to illustrate its performance and efficiency. Wireless Comm., vol. 11, no. 4, pp. 16-28, Aug. 2004.

Collection

2014 ASEE Zone 1 Conference

Authors

Zhan Su; Qian Wang P.E.; Huanzi Wang

-inch pier settlement pp. 219–240, 1991.produces an average of 5-10% stress increase in bridge [3] J. L. Briaud, R. W. James, and S. B. Hoffman, Settlement on Bridgegirders. For three-span bridges, a one-inch pier settlement Approaches (the Bump at the End of the Bridge), NCHRP Synthesisresults in an average of 20-40% stress increase. 234, Washington, D.C.: Transportation Research Board, National Research Council, 1997. (4) Based on the bridge girder stress increase due to pier [4] H. Ha, J. B. Seo, J. L. Briaud, Investigation of Settlement at Bridgesettlements, an acceptable pier settlement limit can be

Collection

2014 ASEE Zone 1 Conference

Authors

Moussa Souare; Frank Merat; Christos Papachristou

dial. lower. The algorithm was simulated in Matlab but could be implemented on a dedicated microprocessor as a future work.H. Data collection In order to evaluate the energy usage, the angles REFERENCESrepresented by the dial indicators must be calculated. Thecentroids of the dials indicated in red in Fig. 12, were [1] S. Zhao, B. Li, J. Yuan, G. Cui “Research on Remote Meter Automaticautomatically calculated using an algorithm written in Matlab. Reading Based on Computer Vision,” 2005 IEEE/PES Transmission and

Collection

2014 ASEE Zone 1 Conference

Authors

Ashenafi Lambebo; Sasan Haghani

[3] F. Cuomo S. Della Luna, U. Monaco, U, and T. Melodia “Routing in ZigBee: Benefits from Exploiting the IEEE 802.15.4 Association Tree”,displayed on a website. The captured data is made available to Proc. of IEEE International Conference on Communications, Glasgow,the user through a graphing application programming interface Scotland, June 2007, pp. 3271-3276.(API). The network works within the range of 100 meters for [4] K. Lu, Y. Qian, D. Rodriguez, W. Rivera, and M. Rodriguez “Wirelessoptimum performance. Sensor Networks for Environmental

Collection

2014 ASEE Zone 4 Conference

Authors

Zekeriya Aliyazicioglu; Rajan Chandra; Phyllis Nelson; Jolly Kuo; Shailesh Sujanani

they are more confident about their mastery of circuit analysis concepts.Bibliography 1. CircuitLab, www.circuitlab.com 2. National Instrument’s myDAQ http://www.ni.com/mydaq/ 3. “Incorporation of NI MyDAQ Exercise in Electric Circuits,” Catherine Chesnutt and Mary C. Baker, Proceedings of the 2011 ASEE Gulf-Southwest Annual Conference, 2011 4. “Improving Student Learning of Basic Electronic Circuits Concepts using Web-Based Tools,” Z. Aliyazicioglu, R. M. Chandra, P. R. Nelson, J. Kuo, and S. Sujanani, ASEE 2014 ASEE Annual Conference. 5. “Recognizing Diverse Learning Styles in Teaching and Assessment of Electronic Engineering,” Ayre, Mary and Nafalski, Andrew, IEEE Frontiers in Education

Collection

2014 ASEE Zone 4 Conference

Authors

Andriani Parastiwi; Taufik Taufik

Internationalization of Higher Education: Motivations and Realities.” Journal of Studies in International Education 11 (3-4): 290-305.4. Soejatminah, S. 2009. Internationalisation of Indonesian Higher Education: A Study from the Periphery. Online. http://www.ccsenet.org/journal/index.php/ass/article/viewFile/3736/33395. Department for Business, Innovation, and Skills report, 2013. The Wider Benefits of International Higher Education in the UK. Proceedings of the 2014 American Society for Engineering Education Zone IV Conference Copyright © 2014, American Society for Engineering Education

Collection

2014 ASEE Zone 4 Conference

Authors

Galen Pickett; Prashanth Jaikumar; Michael Peterson

rather thanfilters prospective engineering students for their further studies.Bibliography1. R. Chabay and B. Sherwood, "Modern Mechanics," American Journal of Physics 72. (2004). p. 439-445.2. www1.iclicker.com3. Otero V, Pollock S, Finkelstein N. 2010. A physics department’s role in preparing physics teachers: The Colorado learning assistant model,” American Journal of Physics. 78(11):12184. www.socialhwk.com5. http://groups.physics.umn.edu/physed/Research/CGPS/CGPSintro.htm6. www.colorado.edu/sei/class7. David Hestenes, Malcolm Wells, and Gregg Swackhamer, “Force Concept Inventory” The Physics Teacher, Vol. 30, March 1992, 141-158 Proceedings of the 2014 American Society for Engineering Education Zone IV

Collection

2014 ASEE Zone 4 Conference

Authors

Andriani Parastiwi; Taufik Taufik

). Embedding design projects into multidisciplinary engineering education. Educational and Information Technology (ICEIT), 2010 International Conference on, 3, V3-398-V3-402.5. Wiki. (2012). How to Plan a Micro Hydro Power Plant, on line http://en.howtopedia.org/wiki/How_to_Plan_ a Micro_Hydro-power_Plant, accessed at 3June20126. Pokharel, S. (2003). “Promotional issues on alternative energy technologies in Nepal”, Energy Policy 31: 307– 318.7. Arismunandar, A and Kuwahara, A. (1991). Teknik Tenaga Listrik, Jilid I, Pradnya Paramita, Jakarta.8. Brown, J. (1984). Hydro-Electric Engineering Practice, CBS Publisher & Distributors, London. Proceedings of the 2014 American Society for Engineering Education Zone IV

Collection

2014 ASEE Zone 4 Conference

Authors

Sukhmander Singh

Engineering Education, 86(2) (1997), 70-71.6. Prados, John W. (2004). "Can ABET really make a difference," International Journal of Engineering Education, 20(3), 315-317.7. Shuman, L.J., Besterfield-Sacre, & McGourty, J. (2005). "The ABET Professional Skills" Can They Be Taught ? Can They Be Assessed" ; Journal of Engineering Education, 41-55.8. Singh, S., (2003). “An Interactive Approach to Improve Civil Engineering Education,” Proceedings of the 32nd Symposium of IGIP’s Annual Conference, 335-337.9. Koehn, E., (1997). “Engineering Perceptions of ABET Accreditation Criteria,” Journal of Professional Issues in Engineering Education and Practice.10. Morgan, J., & Barroso, L. R. (2006). “Project Enhanced Learning in Structural

Conference Session

Methodological & Theoretical Contributions to Engineering Education 2

Collection

2014 ASEE Annual Conference & Exposition

Authors

Danielle Almetria Smalls, Engineering Education Department at Virginia Tech; Holly M. Matusovich, Virginia Tech; Rachel McCord Ellestad, University of Tennessee, Knoxville

Tagged Divisions

Educational Research and Methods

. Hopkins, K.D. and A.R. Gullickson, Response Rates in Survey Research: A Meta- Analysis of the Effects of Monetary Gratuities. The Journal of Experimental Education, 1992. 61(1): p. 52-62.8. Scollon, C.N., C. Kim-Prieto, and E. Diener, Experience, Sampling: Promises and Pitfalls, Strengths and Weaknesses, in Assessing Well-Being, E. Diener, Editor. 2009, Springer Netherlands. p. 157-180.9. Csikszentmihalyi, M., S. Abuhamdeh, and J. Nakamura, Flow, in Handbook of competence and motivation, A.J.D.C.S. Elliot, Editor. 2005, Guilford Press: New York.10. Schunk, D.H., P.R. Pintrich, and J.L. Meece, Motivation in Education: Theory, Research, and Applications. 3 ed. 2008, Upper Saddle River, NJ: Pearson.11

Conference Session

Integration of Engineering and Other Disciplines (Including Liberal Arts)

Collection

2014 ASEE Annual Conference & Exposition

Authors

Anneliese Watt, Rose-Hulman Institute of Technology; Scott Kirkpatrick, Rose-Hulman Institute of Technology; Ashley Bernal, Rose-Hulman Institute of Technology

Tagged Divisions

Liberal Education/Engineering & Society, Multidisciplinary Engineering

made was to use existing coursenumbers for the credits students would earn for the program; thus, it was not necessary toshepherd approval for new course(s) through the Curriculum Committee or develop a descriptionfor the Course Catalog. We (the faculty teaching the course) and the involved administratorssaw our program as an innovative program, and this led to several helpful effects: our sense ofaccountability was increased as this was the primary professional development focus and westrived to make the pilot a success in order to provide a pathway for future variations anditerations of the Summer Grand Challenge format.However, as Bernal notes in her response to the reflection question about drawbacks of pilotingthe program, there was extra

Conference Session

SD Technical Session: Tricks of the Trade

Collection

2014 ASEE Annual Conference & Exposition

Authors

Martha E. Grady, University of Illinois, Urbana-Champaign; Ryan Christopher Reuer Gergely, University of Illinois at Urbana-Champaign

Tagged Divisions

Student

Paper ID #8913What’s stopping them? Perspectives of teaching assistants on incorporatingdiverse teaching methodsMs. Martha E. Grady, University of Illinois, Urbana-Champaign Martha E. Grady is a doctoral candidate within the department of Mechanical Science and Engineering at the University of Illinois at Urbana-Champaign. She holds a B. S. degree in Mechanical Engineering from the University of Central Florida and an M.S. degree in Theoretical and Applied Mechanics from the University of Illinois at Urbana-Champaign. She intends to finish her doctoral degree in Theoretical and Applied Mechanics in the Spring of 2014. Her

Conference Session

Engineering Leadership Development Constituent Committee Division Technical Session 1

Collection

2014 ASEE Annual Conference & Exposition

Authors

Richard J. Schuhmann, Massachusetts Institute of Technology; James N. Magarian, Massachusetts Institute of Technology; Elizabeth Huttner-Loan, Massachusetts Institute of Technology

Tagged Divisions

Engineering Leadership Development Division

Management Executive, 1988, 2(2): 127-132 12. Russell, Jeffrey S., W. B. Stouffer, (2005), "Survey of the national civil engineering curriculum", Journal of Professional Issues in Engineering Education and Practice 131(2): 118-128 13. Toor, S., Ofori, G., Leadership versus Management: How are they different and why? Leadership and Management in Engineering, 8(2), April, 2008 14. Yoder, B.L., (2012), "Engineering by the Numbers." American Society for Engineering Education, Washington, DC. http://www.asee.org/papers-and-publications/publications/collegeprofiles/2011-profile-engineering- statistics.pdf

Conference Session

Student Learning, Problem Solving, & Critical Thinking 2

Collection

2014 ASEE Annual Conference & Exposition

Authors

Amy Elizabeth Bumbaco, University of Florida; Elliot P. Douglas, University of Florida

Tagged Divisions

Educational Research and Methods

Skills: Theory and Practice. New York Garland Pub. (Inc, 1992).13. Willingham, D. T. Critical Thinking: Why Is It So Hard to Teach? Arts Educ. Policy Rev. 109, 21–32 (2008).14. Facione, P. A. Critical Thinking: A Statement of Expert Consensus for Purposes of Educational Assessment and Instruction. Research Findings and Recommendations. (1990). at Page 24.121.815. Facione, P. A. Critical thinking: What it is and why it counts. Millbrae CA Calif. Acad. Press Retrieved April 1, 2004 (2011).16. Norris, S. P. Synthesis of research on critical thinking. Educ. Leadersh. 42, 40–45 (1985).17. Norris, S. P. The

Conference Session

STEM and ECE

Collection

2014 ASEE Annual Conference & Exposition

Authors

Khosrow Ghadiri, San Jose State University

Tagged Divisions

Electrical and Computer

Engineering at San Jos´e State University, San Jos´e, CA, 95192 USA (e-mail: ping.hsu@ sjsu.edu). S. Sujitparapitaya is associate vice president of Institutional Effectiveness and Analytics at San Jos´e State University, San Jos´e, CA, 95192 USA (e-mail: sutee.sujitparaitaya@sjsu.edu). Page 24.391.1 c American Society for Engineering Education, 2014Developing and Implementing Effective Instructional Stratagems in STEM Khosrw Ghadiri, Mohammad H. Qayoumi, Ellen Junn, Ping Hsu, and Sutee Sujitparapitaya

Conference Session

Use of Technology for Education

Collection

2014 ASEE Annual Conference & Exposition

Authors

Richard Chiou, Drexel University ; Michael G Mauk P.E., Drexel University; Tzu-Liang Bill Tseng, University of Texas, El Paso; M. Eric Carr, Drexel University; Aurel Mathews

Tagged Divisions

Manufacturing

by the syringe pump, moves through the chip. The flow of fluid through the chip can beclassified as laminar or turbulent. The heat transfer coefficient, h, used for calculating forcedconvective heat transfer is determined through a correlation of the dimensionless numbers: Nusseltnumber, Nu, Reynolds number, Re, and Prandtl number, Pr. Nu = hD/k Re = DVp/μ Pr = μC/k (2) Page 24.403.6Where D is tube diameter in meters; V is characteristic fluid velocity in m/s; k is thermal conductivityof fluid in kJ/hr-m-K; ρ is fluid density in kg/m^3; C is the constant pressure

Conference Session

Mechanical Division Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Satyajeet P. Deshpande, Kolano and Saha Engineers, Inc.; Mohan D. Rao, Tennessee Technological University

Tagged Divisions

Mechanical Engineering

(2) Page 24.417.6 𝑐 𝑐 𝑓𝑙 > 0.01 𝑠 𝑜𝑟 𝑠 > 0.01 𝑓 . (3) 𝑙Here K is tube factor. K = 0.586 for circular tube or K =0.5 for rectangular /square tube. Theterm c is speed of sound (m/s) in air. The term d is the inside diameter of the tube in meterswhile s is the distance between pair of microphones in meters. In many applications, frequencyrange from 100 Hz to 8000 Hz is usually considered for any material to be assessed based uponacoustical performance. The microphone spacing plays