View Single Post
Old 07-21-2008, 05:23 PM   #82 (permalink)
cfg83
Pokémoderator
 
cfg83's Avatar
 
Join Date: Dec 2007
Location: Southern California
Posts: 5,864

1999 Saturn SW2 - '99 Saturn SW2 Wagon
Team Saturn
90 day: 40.49 mpg (US)
Thanks: 439
Thanked 532 Times in 358 Posts
apgrok1 -

Quote:
Originally Posted by apgrok1 View Post
Ok, I reworked the numbers and came up with 494,000 for 60mph. My discrepancy is that we have been using a diameter for characteristic length. That is ok for tubes, but for flow over a flat plate, the characteristic length is the car's length. Am I wrong?
Can you put it in more context? Is the 494,000 for your car or "all" standard-issue passenger cars? If it is special for your car, what would other numbers be for other cars of different length?

Edit: Can you show the whole equation?

CarloSW2
__________________

What's your EPA MPG? Go Here and find out!
American Solar Energy Society
  Reply With Quote