Low-Speed Wind Tunnel

 

Full-system designs

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Collegiate wind Competition Generation I wind tunnel [1]

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NAU's on campus wind tunnel [2]

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Specialized bike multi-fan wind tunnel [3]

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CAD model of the CWC's generation I wind tunnel [4]

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CWC wind tunnel fan and diffuser [4]

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CWC generation II wind tunnel [4]

Sub-system designs

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Logarithmic nozzle [5]

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Bell-Metha nozzle [6]

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Axial fan [7]

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Regular diffuser [8]

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Wide angle diffuser [6]

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Honeycomb flow straightener [7]

Team Iterations and Analyses

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Rough CAD of the "Short Wind Tunnel" Iteration 1

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Iteration 2

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Exploded View Iteration 2

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Current Iteration

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Stream lines Through Wind Tunnel Via ANSYS Fluent

References

[1] “Wind Tunnel Specifications.” Collegiate Wind Competition.

[2] Aerolab, "Educational Wind Tunnel (EWT)," N.d.. [Online]. Available: https://www.aerolab.com/products/educational-wind-tunnel-ewt/. [Accessed 28 February 2019].

[3] “Specialized Proves Aero is Everything with their Very Own Wind Tunnel,” Bikerumor, 17-May-2013. [Online]. Available: https://bikerumor.com/2013/05/16/specialized-proves-aero-is-everything-with-their-very-own-wind-tunnel/. [Accessed: 01-Mar-2019].

[4] “U.S. Department of Energy Collegiate Wind Competition 2019.” Department of Energy, 04-Jan-2019.

[5] M. Rodríguez Lastra, J. Fernández Oro, M. Galdo Vega, E. Blanco Marigorta and C. Santolaria Morros, "Novel design and experimental validation of a contraction nozzle for aerodynamic measurements in a subsonic wind tunnel", Journal of Wind Engineering and Industrial Aerodynamics, vol. 118, pp. 35-43, 2013. Available: 10.1016/j.jweia.2013.04.008.

[6] J. Pereira, Wind tunnels. New York: Nova Science Publishers, 2011.

[7] "Test facilities", Aero.iitb.ac.in, 2019. [Online]. Available: https://www.aero.iitb.ac.in/~ampradeep/testfacilities.html. [Accessed: 07- Mar- 2019].

[8]"Product - ESSOM", Essom.com, 2019. [Online]. Available: https://www.essom.com/product/details/17/153. [Accessed: 07- Mar- 2019].

[9]"Laminar Flow - Honeycomb Core,Polycarbonate Honeycomb Core,Stainless Steel Honeycomb Core", Honeycomb Core,Polycarbonate Honeycomb Core,Stainless Steel Honeycomb Core, 2019. [Online]. Available: http://www.universalmetaltek.com/industries/laminar-flow/. [Accessed: 09- Mar- 2019].