Canopy Design - MS16

`Motivation:

We need data on the best canopy shape for MS16

Task Description:

Experiment with different Canopy designs in SolidWorks and validate these designs using SimScale.

Requirements/goals:

1. Length/Width/Height/Point of max frontal area should be kept constant across different canopy shapes.

2. CFD sim conditions must be kept constant across different iterations.

Fixed dimensions:

Canopy Length: 1.85m

Canopy Height: 0.35m

Canopy Width: 0.6m

Point of max width and height (max frontal area): 900-1100 m from the front of the canopy

15mm fillet radius on the back

CFD conditions:

Boundary conditions:

• Slip wall on top and outer side faces

• No-slip wall on bottom face

• Symmetry on inner side face

• Pressure outlet on rear face

• Velocity inlet on front face @ -20 m/s

Resultant CD (of the benchmark sim): 0.07, total drag force: 1.32 N

• Message Liam (liam.ramlogan@uwaterloo.ca) for access to the sim

Strategy:

Refer to previous canopy shape research for inspirations on your designs.

Canopy design log:

Version	Pictures	Descriptions/Notes	Sim Results
Can 1 (Ryan)		FA = 1.5m^2 Initial/base draft (Ryan)	Cd = 0.0612 Fd = 1.098
Bullet v1 (Gavin)		FA = 1.458 m^2 Initial Bullet design Bullet style does not perform as well as Teardrop	Cd = 0.0701 Fd = 1.222
Can 2 (Ryan)		FA = 1.47m^2 Shrank down front (this was a mistake don’t do that) Shrank down tail on the side profile	Cd = 0.0706 Fd = 1.266

• Consider Manufacturability