Conference Session

Accreditation Issues

Collection

2008 Annual Conference & Exposition

Authors

Wayne Whiteman, Georgia Institute of Technology

Tagged Divisions

Mechanical Engineering

18 Ph M ys at ic h s 1 1

Conference Session

Statics and Dynamics: What's New?

Collection

2008 Annual Conference & Exposition

Authors

Kazem Abhary, University of South Australia

Tagged Divisions

Mechanical Engineering

-equilibrium equation of the link about its other end. E In the hypothetical sub-mechanism, Figure 3, this means that B j is determined from the moment-equilibrium equation of link i about H E E E E ÂM js h ? Ri · B j - Rgi · fi - qi ? Ri e jsi · B j e j - Rgi e jsi · fi e ji i - q i ? Ri B j sin*s j / s i + - Rgi f i sin*i i / s i + - q i ? 0 (15) Therefore Page 13.101.8

Conference Session

Statics and Dynamics: What's New?

Collection

2008 Annual Conference & Exposition

Authors

Mina Hoorfar, University of British Columbia Okanagan; Homayoun Najjaran, University of British Columbia Okanagan; William Cleghorn, University of Toronto

Tagged Divisions

Mechanical Engineering

displacementcharacteristics but change the design parameters including the radius of the cam base circleand/or roller radius. In the following, appropriate equations are introduced for the calculation of t for each type of the follower. Then, the required design conditions are suggested to preventundercutting.Flat face follower – For the case of flat face followers, the radius of curvature for each value ofcam rotation s is calculated from the following equation5,6: a t ? R0 - s - (1) y2where R0 presents the radius of the cam base circle, y is the cam angular velocity, and s and apresent

Conference Session

Innovations in ME Laboratory Instruction

Collection

2008 Annual Conference & Exposition

Authors

James Widmann, California Polytechnic State University; Charles Birdsong, California Polytechnic State University; John Ridgely, California Polytechnic State University; Frank Owen, California Polytechnic State University

Tagged Divisions

Mechanical Engineering

) Amplifier output current (±50 mA max) Given Kq Servo-Valve Flow Gain (ft3/s/mA) Measured β/ Vt Hydraulic Oil Bulk Modulus (lb/in2)/ Calculated Volume of oil trapped between servo-valve control ports (in3) Kce Total Flow-Pressure Coefficient (in3/sec/psi) Calculated A Area of Cylinder Bore – Area of Cylinder Rod (in2) Measured Kamp Servo-Valve Amplifier Gain Given Kp Proportional Gain Input M Moving Mass (lb●s2/in

Conference Session

Mechanical Engineering Poster Session

Collection

2008 Annual Conference & Exposition

Authors

Horacio Vasquez, UTPA; Robert Freeman, UTPA; Gerhart Hanson, UTPA

Tagged Divisions

Mechanical Engineering

1 A c tiv a t io n L e v e l, tf 0 .5 0 0 2 4 6 8 10 12 14 16 18 20 22 0 .1 P o s itio n x ( m ) 0 .0 5

Conference Session

Trends in Mechanical Engineering

Collection

2008 Annual Conference & Exposition

Authors

Patricia Campbell, Campbell-Kibler Associates, Inc; Eann Patterson, Michigan State University; Ilene Busch-Vishniac, McMaster University; Tom Kibler, Campbell-Kibler Associates, Inc

Tagged Divisions

Mechanical Engineering

AC 2008-499: INTEGRATING APPLICATIONS IN THE TEACHING OFFUNDAMENTAL CONCEPTSPatricia Campbell, Campbell-Kibler Associates, Inc Patricia B. Campbell, President of Campbell-Kibler Associates, Inc, has been involved in educational research and evaluation with a focus on science, technology, engineering and mathematics (STEM) education and issues of race/ethnicity, gender and disability since the mid 1970's. Dr. Campbell, formerly a professor of research, measurement and statistics at Georgia State University, has authored more than 100 publications.Eann Patterson, Michigan State University Eann Patterson taught Mechanics of Solids for twenty years at the University of Sheffield

Conference Session

Mechanical Engineering Poster Session

Collection

2008 Annual Conference & Exposition

Authors

X. Chang Li, Lamar University; Kendrick Aung, Lamar University; Jiang Zhou, Lamar University; Xuejun Fan, Lamar University

Tagged Divisions

Mechanical Engineering

and summarize the materials in a creative way to promote thestudents’ understanding. An appropriate assessment is for sure needed.1.1 Example 1There are many gas power cycles, such as Carnot cycle, Otto cycle and Diesel cycle. In mostcases, the textbook discusses each of them and shows the process in a P-v and/or a T-s diagram.The diagrams can help the student to understand and memorize these cycles. However, thestudents may become confused to remember these curves because all the curves are quite new tothem. To help the students in learning these cycles, it is seen that all the well-known reversiblecycles (Carnot, Ericsson and Stirling) can be integrated into one T-s diagram (or a P-v diagram).Figure 1 shows the individual diagrams of the

Conference Session

Thermodynamics, Fluids and Heat Transfer - I

Collection

2008 Annual Conference & Exposition

Authors

Donald Gray, West Virginia University

Tagged Divisions

Mechanical Engineering

clear and carefulderivations of the control volume equations for the conservation of mass, linear momentum, andenergy (first law of thermodynamics) for compressible fluids using the RTT approach. He alsostated without derivation, comparable forms of the angular momentum equation and the secondlaw of thermodynamics for a control volume. Like his predecessors, Shapiro considered onlynondeforming, nonaccelerating control volumes. Vincenti notes that the explicit control volumeapproach began to appear in thermodynamics textbooks at this time.Spread of the RTT in U. S. Introductory Fluid Mechanics TextbooksVincenti labels the era after about 1955 the period of diffusion of control volume analysis in

Conference Session

Improving Mechanics & Structural Modeling Courses

Collection

2008 Annual Conference & Exposition

Authors

Petru-Aurelian Simionescu, University of Alabama at Birmingham

Tagged Divisions

Mechanical Engineering

rb C t s O A x Fig. 1 The involute curve of a circle of radius rbBecause the string is inextensible, the length of the circular arch AB subintended by angle t isequal to length BC of the string: BC ? rb © t (1)Moreover, the center of curvature around point C of the involute is located right at the tangentpoint B between the string and the base circle, and

Conference Session

Mechanical Engineering Poster Session

Collection

2008 Annual Conference & Exposition

Authors

Gene Liao, Wayne State University; Chih-Ping Yeh, Wayne State University; James Sawyer, Macomb Community College

Tagged Divisions

Mechanical Engineering

assembles the simulator which serves as a hands-on experience unit formultidiscipline students enrolled in the HEV technology courses. The virtual HEV simulator notonly enhances the HEV training and education, but also increases students’ interest in the greenmovement of transportation.AcknowledgmentThis work was supported in part by the National Science Foundation under grant number DUE-0501546.References1. Hirose, K., Abe, S., Killmann, G. “Overview of current and future hybrid technology,” Society of Automotive Engineers (SAE) paper 2002-33-0016, 2002.2. Ronning, J. and Grant, G. “Global hybrid electric vehicle markets and missions,” SAE paper 1999-01-2946, 1999.3. http://www.macomb.edu/academics/CareerTechEd/HEV/default.asp4

Conference Session

Thermodynamics, Fluids and Heat Transfer - I

Collection

2008 Annual Conference & Exposition

Authors

Amir Karimi, University of Texas-San Antonio

Tagged Divisions

Mechanical Engineering

graphs for fin efficiencies, transient temperature distribution charts for heattransfer in slabs, cylinders, or spheres (Heisler Charts), and radiation shape (view) factor charts.In the early 1970’s calculators replaced slide rules as the basic computational tool for solvingengineering problems. A few years later programmable calculators were available. Modulescontaining basic solutions to heat transfer problems were developed for these calculators.Authors included sections in their textbooks to introduce students to numerical techniques forsolving heat transfer problems.The computer application software for solving engineering problems has also changed. Prior tothe introduction of personal computers (PCs) in the early 1980’s, complex computer

Conference Session

Mechanical Engineering Poster Session

Collection

2008 Annual Conference & Exposition

Authors

El-Sayed Aziz, Stevens Institute of Technology

Tagged Divisions

Mechanical Engineering

all kinematic and dynamic parameters for an assumed constant angularvelocity of the input crank of a one-cylinder, or multi-cylinder inline, vee, opposed, or W engineconfiguration. The program provided a realistic animation of the motion and the students couldreadily appreciate the connection between the input torque at the crank and the output motion ofthe slider. The force, moment, and torque balance configurations are also calculated for anyselected engine configuration based on the chosen crankshaft phase angles, number of cylinders,and vee angle(s), as shown in Figure 4-b. Figure 4: Kinematic and dynamic analysis of the slider-crank mechanismA side-objective is to introduce the use of MathCAD as a powerful software tool

Conference Session

Improving Mechanics & Structural Modeling Courses

Collection

2008 Annual Conference & Exposition

Authors

Junling Hu, University of Bridgeport; Linfeng Zhang, University of Bridgeport; Xingguo Xiong, University of Bridgeport

Tagged Divisions

Mechanical Engineering

, Nashville, Tennessee, 2003.10 R. D. LaRoche, B. J. Hutchings, R. Muralikrishnan, “FlowLab: Computational Fluid Dynamics (CFD) Framework for Undergraduate Education”, Proc. 2002 ASEE Annual Conference & Exposition, June, Montreal, Quebec, CA, 2002.11 Appanaboyina, S. and Aung, K., , “Development of a VRML Application for Teaching Fluid Mechanics,” Proc. 2004 ASEE Annual Conference & Exposition, June, Salt Lake City, Utah, 2004.12 R. Jia, S. Xu, S. Gao, EL-S. Aziz, S. Esche, and C. Chassapis, “A Virtual Laboratory on Fluid Mechanics,” Proc. 2006 ASEE Annual Conference & Exposition, June, Chicago, Illinois, 2006.13 R. LaRoche, B. Hutchings, and R. Muralikrishnan, “FlowLab: Computational Fluid Dynamics (CFD) Framework for

Conference Session

Design Project Based Learning

Collection

2008 Annual Conference & Exposition

Authors

Charles Forsberg, Hofstra University

Tagged Divisions

Mechanical Engineering

AC 2008-1308: A VENTILATION SYSTEM CAPSTONE DESIGN PROJECTCharles Forsberg, Hofstra University Charles H. Forsberg is an Associate Professor of Engineering at Hofstra University, where he primarily teaches courses in the thermal/fluids area. He received a B. S. in Mechanical Engineering from the Polytechnic Institute of Brooklyn (now Polytechnic University), and an M. S. in Mechanical Engineering and Ph. D. from Columbia University. He is a Licensesd Professional Engineer in New York State. Page 13.129.1© American Society for Engineering Education, 2008 A Ventilation System

Conference Session

Mechanical Engineering Poster Session

Collection

2008 Annual Conference & Exposition

Authors

James Smith, University of Southern Maine

Tagged Divisions

Mechanical Engineering

resource-basedindustries such as paper or in textile mills which were widely dispersed geographicallyaround the state, the textile mills in the more populous southern part of the state and thepaper mills in the north. In the 1960’s, however, these industries began a slow,precipitous decline which accelerated in the 1970’s and 1980’s. At the same time, newindustries, which required higher skill sets, began locating in the greater Portland area.These included such companies as National Semiconductor, Fairchild Semiconductor,Pratt and Whitney, Idexx Laboratories and other. These industries were interested inhaving a local institution which would not only provide educational opportunities fortheir employees but also would be a source of new engineers

Conference Session

Mechanical Engineering Poster Session

Collection

2008 Annual Conference & Exposition

Authors

Brian Novoselich, United States Military Academy; Bobby Crawford, United States Military Academy; Erica Young, United States Military Academy

Tagged Divisions

Mechanical Engineering

survey questionsprovides some insight into student perceptions. M E3 5 0 C o urs e End S urv e y Que s t i o ns 3 3.2 3.4 3.6 3.8 4 4.2 4.4 4.6 4.8 5 E1. M E3 50 imp ro ved my ab ilit y to und ers t and , d et ermine, and wo rk wit h p hys ical and thermal p ro p ert ies . E2 . M E3 50 imp ro ved my ab ilit y t o ap p ly a s ys t emat ic t ho ug ht p ro ces s to s o lve eng ineering p ro b lems . E3 . M E3 50 imp ro ved my ab ilit y to analyze t hermal s ys t ems b y ap p lying co ns ervatio n o

Conference Session

Approaches to Active Learning

Collection

2008 Annual Conference & Exposition

Authors

Julie Linsey, Texas A&M University; Austin Talley, University of Texas at Austin; Kristin Wood, University of Texas at Austin; Daniel Jensen, U.S. Air Force Academy; Kathy Schmidt, University of Texas at Austin

Tagged Divisions

Mechanical Engineering

at the Active Learning for Mechanics of Materials website(http://www.me.utexas.edu/~alps/). Understand the Educational Goals and Objectives • Define Stakeholders and Collect Stakeholders’ Input • Define Educational Goals and Objectives Based on Stakeholders Input • Prioritize Goals and Determine Metrics • Define Topics • Select Topic(s) for Developing ALPs Based on Goals and Metrics Generate Possible Active Learning Product (ALPs) Educational • Generate Ideas and Create Variant ALPs

Conference Session

Thermodynamics, Fluids and Heat Transfer - II

Collection

2008 Annual Conference & Exposition

Authors

Jesse Huguet, University of Alabama; Keith Woodbury, University of Alabama; Robert Taylor, University of Alabama

Tagged Divisions

Mechanical Engineering

T_ph uV_p p_hs T_ps uL_p p_hrho T_hs uV_T Specific Enthalpy, h Spe cific Entropy, s uL_T hV_p sV_p u_pT hL_p sL_p u_ph hV_T sV_T u_ps hL_T sL_T Specific Volume, v h_pT s_pT vV_p h_ps s_ph vL_p h_px

Conference Session

Approaches to Active Learning

Collection

2008 Annual Conference & Exposition

Authors

Emilia Bratschitsch, Joanneum Univeristy of Applied Sciences; Annette Casey, Joanneum University of Applied Sciences, Department of Automotive Engineering,; Michael Trzesniowski

Tagged Divisions

Mechanical Engineering

education structure. Nowadays, Formula-S is the biggeststudent project at the University.The student team has up to 40 members from 4 different departments – Vehicle Technology (ca.30 students), Industrial Design, Management International Processes, and Information Design.This project starts in summer before the junior year of study and takes 12 months. In the last twoyears the students decided to enter the main contest in Detroit; for these teams the project takes22 months.The main task is to design and manufacture a racing car, due to the Formula-S requirements, andto compete with up to 120 university teams worldwide. Our undergraduates have the possibilityto compare their knowledge and skills with that of their peers worldwide5. To cope with

Conference Session

Materials in Design and Manufacturing

Collection

2008 Annual Conference & Exposition

Authors

Zhiqiang Hu, University of Missouri - Columbia

Tagged Divisions

Mechanical Engineering

environmental ethics as part ofsustainable education into the undergraduate engineering curriculum (4). Overall, educatorsbelieve that education for the engineer of the 21st century must include a critical component ofsustainable development in modern engineering curriculum (5).In response to the ABET 2000 criteria, several universities in the U. S. have launched programsto incorporate sustainable/green engineering principles into the engineering curriculum. Forexample, Carnegie Mellon University, the University of Texas at Austin, and Arizona StateUniversity established the NSF and USEPA sponsored Center for Sustainable Engineering in2005 to enhance undergraduate education in sustainable engineering. This Center is developingpeer-reviewed educational

Conference Session

Mechanical Engineering Poster Session

Collection

2008 Annual Conference & Exposition

Authors

John Mativo, The University of Georgia; Nadia Kellam, University of Georgia

Tagged Divisions

Mechanical Engineering

: How responsive has the engineering curriculum and accreditation requirements been to cultural and societal changes?Authors investigate the conditions of three time periods namely: 1800’s to pre-world war II(apprentice, vocational focused), World War II to 2000 (engineering Sciences focused), and2000 to present (outcome focused). The guiding questions that helped answer the main researchquestion are the following: • What experiences did a typical student have prior to entering an engineering program in each time period? • What were the accreditation requirements during each of the time periods? • What was a typical curriculum within each of the time periods?Findings from this effort will provide recommendations to

Conference Session

Thermodynamics, Fluids and Heat Transfer - II

Collection

2008 Annual Conference & Exposition

Authors

Jason Christopher, Rice University; Adam Parks, Air Force Research Laboratory, Wright-Patterson Air Force Base; Vipul Sharma, Air Force Institute of Technology; Michael Maixner, U.S. Air Force Academy

Tagged Divisions

Mechanical Engineering

, he will begin pilot training.Michael Maixner, U.S. Air Force Academy Michael Rex Maixner graduated with distinction from the U. S. Naval Academy, and served as a commissioned officer in the USN for 25 years; his first 12 years were spent as a shipboard officer, while his remaining service was strictly in engineering assignments. He received his Ocean Engineer and SMME degrees from MIT, and his Ph.D. in mechanical engineering from the Naval Postgraduate School. He served as an Instructor at the Naval Postgraduate School and as a Professor of Engineering at Maine Maritime Academy; he is currently a member of the Department of Engineering Mechanics at the U.S. Air Force Academy

Conference Session

Mechanics of Materials

Collection

2008 Annual Conference & Exposition

Authors

Daniel Magda, Weber State University

Tagged Divisions

Mechanical Engineering

Transactions, Vol. 80, May, 1958, pp. 929-940.5. Malkin, S. and Anderson, R.B., "Thermal Aspects of Grinding," Journal of Engineering for Industry, Vol. 96, No. 4, Nov 1974, pp 1177-1183.6. Malkin, S., "Surface Temperatures and Workpiece Burn," Journal of Engineering for Industry, Vol. 96, No. 4, Nov. 1974, pp. 1184-1197.7. Yonetani, S. and Notoya, H., "Grinding Residual Stress in Heat Treated High Hardness Steels," Journal of Japan Institute of Metals, June 1984.8. EL-Helieby, S.O. and Rowe, G.W ., "Influence of Surface Roughness and Residual Stress on Fatigue Life of Ground Steel Components," Metals Technology, Vol. 7, June, 1980, pp. 221-225.9. Leskovar, P., "Investigations of Surface Integrity of W orkpieces and Tools

Conference Session

Trends in Mechanical Engineering

Collection

2008 Annual Conference & Exposition

Authors

David Willis, Southern Methodist University; Paul Krueger, Southern Methodist University; Alice Kendrick, Southern Methodist University

Tagged Divisions

Mechanical Engineering

performing research, and choice of research topics. Minimum eligibility requirements for theprogram were sophomore standing or higher, 3.0 GPA, and a major in engineering orengineering science. Closely related majors in the sciences, such as materials science, physicsand chemistry, were also considered if the major closely matched a project for which theapplicant was interested. The required application materials included a standard form (contactinformation, college/university, academic major(s)/minors(s), GPA), transcript, résumé, essaydiscussing their interests in the REU program, and their choice of projects. All applicants wererequested to list two projects and rank them according to preference. Projects representative ofthe work performed in

Conference Session

Design Project Based Learning

Collection

2008 Annual Conference & Exposition

Authors

Vernon Ulrich, Grove City College

Tagged Divisions

Mechanical Engineering

engineering departments across the country, McKenzie, et al.1,suggest that many capstone design instructors find it easy to evaluate the performance of a seniordesign team, but struggle to evaluate the individual performance of students within the team. Inan effort to assess the performance of both groups and individuals, Grove City College hasadopted a management by objective process for individuals, similar to the process outlined byTillman2.Management by objective (MBO) originated from Peter Drucker in the 1950’s. George Odiorneand others popularized the process in the 1960’s. Odiorne describes MBO as “A processwhereby the superior and the subordinate managers of an enterprise jointly identify its commongoals, define each individual’s major areas

Conference Session

Mechanical Engineering Poster Session

Collection

2008 Annual Conference & Exposition

Authors

Erik Bardy, Grove City College; Erik Anderson, Grove City College

Tagged Divisions

Mechanical Engineering

average Nusslet number at location LPr Prandtl numberRa Rayleigh numberRaL Rayligh number at location LT fluid temperature, ºCTı fluid temperature far from the wall, ºCTw wall surface temperature, ºCu x component of the fluid velocity, m/sv y component of the fluid velocity, m/sx distance along surface of heated plate, in or mmy distance away from heated plate, in or mmc thermal diffusivity of the fluid, m2/s volumetric thermal expansion coefficient = 1/T for an ideal gas, K-1 kinematic viscosity of the

Conference Session

Thermodynamics, Fluids and Heat Transfer - I

Collection

2008 Annual Conference & Exposition

Authors

Troy Dent, University of Alabama; Keith Woodbury, University of Alabama; Robert Taylor, University of Alabama

Tagged Divisions

Mechanical Engineering

proper calculations. Itis recommended that standard units of m, m2/s and s are used to avoid errors. It is possible to useother units provided they cancel properly or a correction is made to the answer to cancel outremaining factors. The conduction coefficient, k, is an optional input which is not necessary forthe constant surface temperature formula but required for the other two formulas. A second Page 13.894.10optional input is BC which is the heat flux for constant heat flux formula and the convectioncoefficient, h, for the convection formula. The BC input is not necessary for the constanttemperature formula. There is a check for

Conference Session

Outstanding Contributions to ME Education

Collection

2008 Annual Conference & Exposition

Authors

Ashland Brown, University of the Pacific; Joseph Rencis; Daniel Jensen, U.S. Air Force Academy; Chuan-Chiang Chen, Tuskegee University; Essam Ibrahim, Tuskegee University; Vladimir Labay, Gonzaga University; Paul Schimpf, Eastern Washington University

Tagged Divisions

Mechanical Engineering

Conference Session

Accreditation Issues

Collection

2008 Annual Conference & Exposition

Authors

Kenneth Van Treuren, Baylor University

Tagged Divisions

Mechanical Engineering

significant impact on a student’s attitude and motivation toward heattransfer.Bibliography Page 13.153.91. Berg, R, and Nasr, K., 2002, “Achieving Those Difficult ABET Program Educational Outcomes Through a Capstone Design Course,” Proceedings of the ASEE Annual Conference and Exposition, Montreal, Quebec, Canada, June 16-19, 2002.2. Robinson, M, and Sutterer, K, 2004, “The ASCE BOK – A Case Study of the Evaluation and Design of a BOK Curriculum, Proceedings of the ASEE Annual Conference and Exposition, Salt Lake City, UT, June 20-23, 2004.3. Lord, S, 2005, “Fabulous Fridays: Satisfying ABET 2000 Criterion I ad J in an

Conference Session

Innovations in ME Laboratory Instruction

Collection

2008 Annual Conference & Exposition

Authors

Guido Lopez, Old Dominion University; Ilya Leipunsky, Russian Academy of Science; Nadezda Berezkina, Russian Academy of Sciences

Tagged Divisions

Mechanical Engineering

crack is possible due to the concentration of coffee particles at the opening of the crack.In general, Penetrant Testing (PT) involves the following steps: (1) pre-cleaning and surfacepreparation of the part under test, (2) selection and application of visible or fluorescent dyes thatare capable to penetrate discontinuities by capillary action, (3) penetrant dwelling, i.e.: allowingthe penetrant to stay in contact with the surface for a suitable period of time, (4) removal ofexcess penetrant using special solvents and/or emulsifiers, (5) extraction of penetrant by specialdevelopers and, subsequent inspection of discontinuities, and (6) post-cleaning of the part(s)tested in order to remove developer and residual