Abstract
This study presents a novel approach to enhance the educational utility of small-scale wind tunnels through low-cost instrumentation and automation. A legacy Plint TE80 vertical smoke tunnel was repurposed using consumer-grade components to enable automated measurement of aerodynamic properties. Two experimental methodologies were implemented to calculate drag coefficients: the Wake Momentum Deficit Principle and the Surface Pressure Distribution Method, using a NACA0012 airfoil and a cylindrical model. The system achieved drag coefficient measurements within 2% of literature values, demonstrating its viability for educational use. Beyond technical validation, the project addresses broader educational challenges: limited access to high-cost aerodynamic facilities, especially in low-resource settings. By demonstrating that legacy equipment can be modernised affordably (less than 200 GBP) and effectively, this work supports the integration of hands-on experimentation into engineering curricula. This case study underscores the potential of accessible instrumentation to enrich fluid dynamics education and foster deeper student engagement with experimental methods.
| Original language | English |
|---|---|
| Number of pages | 30 |
| Journal | International Journal of Mechanical Engineering Education |
| DOIs | |
| Publication status | Published - 23 Mar 2026 |
Bibliographical note
Publisher Copyright:© The Author(s) 2026. This article is distributed under the terms of the Creative Commons Attribution 4.0 License (https://creativecommons.org/licenses/by/4.0/) which permits any use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access page (https://us.sagepub.com/en-us/nam/open-access-at-sage).
Keywords
- Legacy wind tunnel
- wind tunnel instrumentation
- experiential learning
- low-cost automation
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