Uploaded January 2024 | Updated September 2026, 2 weeks ago

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For more information, visit
airshaper.com
https://www.ucla.edu/
shellecomarathon.com

This lecture covers:

Basics of aerodynamics:
- laminar versus turbulent flow
- pressure drag and friction drag
- drag coefficients
- Reynolds number
- Boundary layers
- Flow separation

Basics of CFD (computational fluid dynamics)
- Modelling
- Meshing & discretization
- Iteration

Basics of wind tunnels:
- Components (fan, diffuser, turning vanes, settling chamber, honey combs, screens, test section)
- Blockage factor
- Wall effects
- Scaled model testing
- Force measurements
- PIV (particle image velocimetry)

Discussion of the UCLA eco marathon design