View Single Post
Old 01-06-2019, 03:19 PM   #9 (permalink)
Vman455
Moderator
 
Vman455's Avatar
 
Join Date: Feb 2012
Location: Urbana, IL
Posts: 1,937

Pope Pious the Prius - '13 Toyota Prius Two
Team Toyota
SUV
90 day: 51.62 mpg (US)

Tycho the Truck - '91 Toyota Pickup DLX 4WD
90 day: 22.22 mpg (US)
Thanks: 199
Thanked 1,802 Times in 939 Posts
Quote:
Originally Posted by freebeard View Post
There are two little vortexes jetting out from just ahead of the tire contact patch. They're pretty inconsequential.
...plus two rolling off the top, and one off each side. These vortices are the result of the entrainment that reduces a moving wheel's drag compared to a stationary one.

__________________
UIUC Aerospace Engineering
www.amateuraerodynamics.com
  Reply With Quote