for assessing individual contributions to the team assignments. The authors present an assessment of the impact of the abstracts, specifically addressing the following question: Did students attain the learning objectives of the course more thoroughly than students in a previous cohort, who completed comparable homework problems in teams of the same size, but who were not required to write abstracts? Introduction The introductory chemical engineering course at most universities focuses on material and energy balances. Historically this course has had the reputation of being a conceptually demanding course that induces fear in many studentsi. One of the greatest challenges faced by many students is the solution of “word problems” which
engineering program and the computerscience program have been working on developing two software packages to aid studentsin developing their skills in the material and energy balance course in the chemicalengineering curriculum. The first of these (Chemical Process Visualizer – ChemProV) isa software package developed to assist students in converting written descriptions into agraphical format and then into a mathematical representation. It also provides a singleformat for the communication of the solutions to material/energy balance problemsbetween students . The second software package (On-Line Studio-Based LearningEnvironment – OSBLE) provides a means whereby the ChemProV solutions can beshared between students in an asynchronous online
development of FCI, outlined its structure and reviewed findings from itsimplementation. Shallcross developed a concept inventory for assessing student learning in abasic material and energy balance subject3. His aim was to identify the misconceptions that thestudents may have when they start the subject. By comparing the pre- and post- test results anassessment could be made of the extent to which these misconceptions have been corrected. AChemical Engineering Fundamentals Concept Inventory (CEFCI) was developed andimplemented by Ngothai and Davis4. Their main objective was to have a quantitative means forpredicting areas in which course development could be focused. Using statistical methods, theyperformed a rigorous analysis of test results
and in other courses for teaching aspects of fluid flow,material and energy balances, thermodynamics, and process control.IntroductionTo accommodate recent increases in enrollment, we had a need for a relatively inexpensive newexperiment in our unit operations laboratory. We also had a need to include hands-on experiencewith process control in our curriculum and a desire to provide more hands-on experience in oursophomore material and energy balance and thermodynamics courses. We developed a versatilenew air flow experiment to accomplish all these goals. Having undergraduate students helpdesign, construct, and test the new equipment as their senior theses also provided an excellenteducational experience for the students involved.As shown in
Paper ID #7531Promoting Metacognition through Reflection Exercises in a Thermodynam-ics CourseProf. Mariajose Castellanos, University of Maryland, Baltimore CountyDr. Joshua A Enszer, University of Maryland Baltimore County Dr. Joshua Enszer is a full-time lecturer in Chemical Engineering at the University of Maryland at Bal- timore County. He has taught core and elective courses across the curriculum, from introduction to en- gineering science and material and energy balances to process control and modeling of chemical and environmental systems. His research interests include technology and learning in various incarnations
discipline of chemical engineering (ChE) focusedon concept-based instruction. The project plan is to develop and promote the use of a cyber-enabled infrastructure for conceptual questions, the AIChE Concept Warehouse, whichultimately could be used throughout the core ChE curriculum (Material and Energy Balances,Thermodynamics, Transport Phenomena, Kinetics and Reactor Design, and Materials Science).Conceptual questions, both as Concept Inventories and ConcepTests, will be available throughan interactive website maintained through the Education Division of the American Institute ofChemical Engineers (AIChE), the discipline’s major professional society. The overall objectiveis to lower the activation barrier for using conceptual instruction and
Paper ID #6320A Comparison of Peer Evaluation Methods in Capstone DesignDr. Joshua A Enszer, University of Maryland Baltimore County Dr. Joshua Enszer is a full-time lecturer in Chemical Engineering at the University of Maryland Baltimore County. He has taught core and elective courses across the curriculum, from introduction to engineering science and material and energy balances to process control and modeling of chemical and environmental systems. His research interests include technology and learning in various incarnations: electronic port- folios as a means for assessment and professional development, implementation
. Representative slide illustrating an API synthesis “campaign.”Introducing Pharmaceutical Technology through Educational Materials for UndergraduateEngineering CoursesThis workshop module consisted of an interactive presentation integrated with example problemsand demonstrations. There were two major parts to this module: illustrative problem sets forlower-division chemical engineering courses focusing on topics from drug formulation toproduction; and life cycle methodology to evaluate API manufacture. The educational materialsconvey essential concepts in pharmaceutical terminology, drug delivery, and manufacturingwithin the context of a material and energy balance calculation. Problems introduce apharmaceutical “term of art,” manufacturing process, or
. Bullard, Margot A. Vigeant, “How We Teach: Material and Energy Balances”, Proceedings of the 2012 Annual Meeting of the American Society for Engineering Education, 2012. Page 23.675.14Appendix A. Print version of online survey. Page 23.675.15
evident which students were actually trying to learn the content and whichones were still struggling despite the higher average for homework grades. Overall, the authorsfeel that despite some of these nuances, the student and instructor benefits far outweigh any ofthese challenges, where MasteringEngineering® can support instruction and aid in enhancing adeeper understanding for student learning.Bibliography1. Knight, A.M., Nicholls, G.M., and Componation, P.J. (2012). Measuring the Effect of Online HomeworkProcedures on Student Exam Performance. Proceedings of the 119th ASEE Annual Conference & Exposition, SanAntonio, TX.2. Liberatore, M.W. (2011). Improved Student Achievement in Material and Energy Balances Using PersonalizedOnline Homework
, Kv: 0.0167 gpm/% speed = 3.85 in3/min/%speedUsing this data, equation (4) yields: h( s ) K e 0.083s 0.0684 e 0.083s GPL , A ( s) v (5) Vv ( s) A s sThus, Equation (5) gives the transfer function between the water level (in %) and the pumppower (in %). It can be used to tune the level PI controller according to any chosen tuningmethodology.5b. Temperature ModelThe model describing the effect of power to the heating element on the water temperature isderived by combining material and energy balances. Also, the following assumptions are beingmade: a. Water density and
projects. While there are many ongoing projects, this paper will summarize thefollowing examples: Biogas production project for an undergraduate chemical engineering course Biogas production modeling project for an undergraduate mathematics course Biogas research projects for undergraduate and co-operative learning students Bioethanol usage in student competition projects Bioethanol research projects for undergraduate and co-operative learning studentsA Biogas Production Project in Chemical EngineeringCHME-200 is the first exposure to chemical engineering for undergraduate students. The coursecombines material and energy balances. For a term project students are asked to performcalculations for a simulated dairy farm
. Often, each pair in the class was assigned a different chemical. Students were giventime to solve the problem, the professor circulated around the class to give pointers, and aftermost teams were done, each pair reported their answers. Then the class could discuss thesolution approach, the instructor could illustrate common “mishaps”, etc.The course is an elective and as such the students who enroll often differ widely in theirpreparation and motivation. The environmental engineering (EVEN) undergraduates generallyhave good background preparation for the course (such as material and energy balances,Fundamentals of Environmental Engineering, and perhaps including environmental organicchemistry, groundwater, environmental microbiology, etc
a “broader impact”component in all grant proposals.7 Transportability is specifically emphasized in the newTransforming Undergraduate Education, in Science, Technology, Engineering and Mathematics(TUES) Program, which requires transportability as a main component for funding of proposals.8In this paper, we investigate the transportability and initial diffusion of the AIChE ConceptWarehouse.The AIChE Concept WarehouseOverviewThe AIChE Concept Warehouse, a cyber-enabled infrastructure for conceptual questions, wasdeveloped with the goal of creating a community of learning within the discipline of chemicalengineering (ChE) focused on concept-based instruction. This tool can be used throughout thecore ChE curriculum (Material and Energy
design courses tend to focus on the formulation of steady-state modelsin which material and energy balances are obtained and unit operations are simulated. Theresulting knowledge allows equipment to be sized, operating costs to be evaluated, and overallplant economics to be estimated. Such information also provides the basis for producing apreliminary process flow diagram (PFD). The operation of the process at the design conditionprovides a single operating point, and, while off-design conditions are sometimes considered,they are often not taken into account in the preliminary design.In practice, the actual operating point of the process will rarely be at the design conditions.Moreover, the process will have to be started up and shut down many