We describe the structure and outcomes of a course project for do-it-yourself (DIY) rheometry. Although the project was created in response to the shelter-in-place orders of the COVID-19 pandemic, the student learning outcomes were so positive that we have continued implementing the project even when students have access to laboratory rheometers. Students select an interesting complex fluid, collect qualitative visual evidence of key rheological phenomena, and then produce their own readily available flows that they quantitatively analyze to infer rheological properties, such as yield stress, extensional viscosity, or shear viscosity. We provide an example rubric, present example student project outcomes, and discuss learning outcomes that are achieved with DIY measurements.
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Research Article|
May 10 2022
Do-it-yourself rheometry
Special Collection:
Kitchen Flows
M. T. Hossain
;
M. T. Hossain
Department of Mechanical Science and Engineering, University of Illinois Urbana-Champaign
, Urbana, Illinois 61874, USA
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Randy H. Ewoldt
Randy H. Ewoldt
a)
Department of Mechanical Science and Engineering, University of Illinois Urbana-Champaign
, Urbana, Illinois 61874, USA
a)Author to whom correspondence should be addressed: ewoldt@illinois.edu
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a)Author to whom correspondence should be addressed: ewoldt@illinois.edu
Note: This paper is part of the special topic, Kitchen Flows.
Physics of Fluids 34, 053105 (2022)
Article history
Received:
January 15 2022
Accepted:
March 21 2022
Citation
M. T. Hossain, Randy H. Ewoldt; Do-it-yourself rheometry. Physics of Fluids 1 May 2022; 34 (5): 053105. https://doi.org/10.1063/5.0085361
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