August 23, 2022
June 26, 2022
June 29, 2022
Over the past year we continued, under support from the NSF Division of Undergraduate Education, to emphasize implementation of Low-Cost Desktop Learning Modules LCDLMs for fluid mechanics, heat transfer and biomedical applications. Here we present implementation data from concept tests and surveys, details on new designs and insights gained. Through these activities our team progressed beyond original expectations that were outlined in our original set of NSF-sponsored objectives.
We analyzed data from several institutions added from the south central and mid-eastern portions of the US through a combined University of ***-L** and -P** training hub conducted in a virtual mode held in September 2020 with regional communications spearheaded by respective faculty from these institutions. Much of the data analyzed results from support through a 2020 NSF supplement where we engaged in a study to compare direct hands-on implementations of LCDLMs to virtual synchronous and asynchronous implementations augmented with short conceptual videos, a tact necessary because of COVID-19 in-person restrictions. Surprisingly, both in-person and virtual modes show similar conceptual gains. A publication is being developed with intent for submission to the International Journal of Engineering Education where we compare the virtual and in-person modes of instruction. We added a few more institutions through a northeastern training hub held in August 2021 with faculty from the University of *** managing regional communications; again, this hub was held virtually given uncertainty about the lifting of COVID-19 related restrictions.
Regarding new LCDLMs we added a shell and tube heat exchanger and fabricated a large number for distribution and implementation and began analyzing conceptual gains and survey results. We prototyped a new evaporative cooler and continue to develop new broader impact units to demonstrate stenosis in an artery and blood cell separations and began implementing them in the classroom.
Regarding LCDLM publications a paper was published in Chemical Engineering Education on a study where we compare heat transfer data for the miniature double pipe heat exchanger to predictions based on correlations for industrial scale heat exchangers and included classroom assessment data.
Van Wie, B., & Durak, Z., & Reynolds, O., & Kaiphanliam, K., & Thiessen, D., & Adesope, O., & Ajeigbe, O., & Khan, A. I., & Dutta, P., & Curtis, H., & Watson, C., & Gartner, J. (2022, August), Development, dissemination and assessment of inexpensive miniature equipment for interactive learning of fluid mechanics, heat transfer and biomedical concepts Paper presented at 2022 ASEE Annual Conference & Exposition, Minneapolis, MN. https://peer.asee.org/42056
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