Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Finding shape with lowest drag coefficient

julien.decharentenay · 09-14-2013, 03:07 AM

I just tried a sphere:

- Cd: 0.0846
- Frontal area: 2.2 m2
- Reynolds number: 1.6e6

Results: https://aerodynamicondemand.appspot....5-74a3a2e8fc3a

One of the very interesting feature is that the flow seems attached at the downwind side apart from the lower part (close to the moving ground surface) of the downwind side.

09-14-2013, 03:07 AM	#12 (permalink)
julien.decharentenay EcoModding Lurker Join Date: Aug 2013 Location: Brisbane, Australia Posts: 20 Thanks: 4 Thanked 8 Times in 5 Posts	I just tried a sphere: - Cd: 0.0846 - Frontal area: 2.2 m2 - Reynolds number: 1.6e6 Results: https://aerodynamicondemand.appspot....5-74a3a2e8fc3a One of the very interesting feature is that the flow seems attached at the downwind side apart from the lower part (close to the moving ground surface) of the downwind side.