Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Box Cavity for a pick-up truck

freebeard · 08-29-2015, 07:07 PM

If the box was a rectangular bellmouth instead of a straight section the outer face would offer a return for the toroidal vortex. And alter the s/Lr ratio.

Then when you go to a stepped box, it could all collapse like a folding camper's cup.

08-29-2015, 07:07 PM	#34 (permalink)
freebeard Master EcoModder Join Date: Aug 2012 Location: northwest of normal Posts: 28,500 Thanks: 8,060 Thanked 8,863 Times in 7,316 Posts	If the box was a rectangular bellmouth instead of a straight section the outer face would offer a return for the toroidal vortex. And alter the s/Lr ratio. Then when you go to a stepped box, it could all collapse like a folding camper's cup.