09-16-2013, 08:24 PM
|
#61 (permalink)
|
|
Master EcoModder
Join Date: May 2008
Location: Maynard, MA Eaarth
Posts: 7,908
Thanks: 3,475
Thanked 2,952 Times in 1,845 Posts
|
|
|
|
|
 Today
|
|
|
|
Other popular topics in this forum...
|
|
|
|
|
09-16-2013, 09:43 PM
|
#62 (permalink)
|
|
Master EcoModder
Join Date: Jul 2011
Location: Ann Arbor, Michigan
Posts: 4,187
Thanks: 132
Thanked 2,809 Times in 1,973 Posts
|
__________________
George
Architect, Artist and Designer of Objects
2012 Infiniti G37X Coupe
1977 Porsche 911s Targa
1998 Chevy S-10 Pick-Up truck
1989 Scat II HP Hovercraft
You cannot sell aerodynamics in a can............
|
|
|
|
|
09-16-2013, 09:54 PM
|
#64 (permalink)
|
|
Master EcoModder
Join Date: Jul 2011
Location: Ann Arbor, Michigan
Posts: 4,187
Thanks: 132
Thanked 2,809 Times in 1,973 Posts
|
__________________
George
Architect, Artist and Designer of Objects
2012 Infiniti G37X Coupe
1977 Porsche 911s Targa
1998 Chevy S-10 Pick-Up truck
1989 Scat II HP Hovercraft
You cannot sell aerodynamics in a can............
|
|
|
|
|
09-16-2013, 10:02 PM
|
#65 (permalink)
|
|
Master EcoModder
Join Date: Jul 2011
Location: Ann Arbor, Michigan
Posts: 4,187
Thanks: 132
Thanked 2,809 Times in 1,973 Posts
|
Video in link:
__________________
George
Architect, Artist and Designer of Objects
2012 Infiniti G37X Coupe
1977 Porsche 911s Targa
1998 Chevy S-10 Pick-Up truck
1989 Scat II HP Hovercraft
You cannot sell aerodynamics in a can............
|
|
|
|
|
09-16-2013, 10:09 PM
|
#66 (permalink)
|
|
Master EcoModder
Join Date: Jul 2011
Location: Ann Arbor, Michigan
Posts: 4,187
Thanks: 132
Thanked 2,809 Times in 1,973 Posts
|
__________________
George
Architect, Artist and Designer of Objects
2012 Infiniti G37X Coupe
1977 Porsche 911s Targa
1998 Chevy S-10 Pick-Up truck
1989 Scat II HP Hovercraft
You cannot sell aerodynamics in a can............
|
|
|
|
|
09-16-2013, 10:21 PM
|
#67 (permalink)
|
|
Master EcoModder
Join Date: Jul 2011
Location: Ann Arbor, Michigan
Posts: 4,187
Thanks: 132
Thanked 2,809 Times in 1,973 Posts
|
__________________
George
Architect, Artist and Designer of Objects
2012 Infiniti G37X Coupe
1977 Porsche 911s Targa
1998 Chevy S-10 Pick-Up truck
1989 Scat II HP Hovercraft
You cannot sell aerodynamics in a can............
|
|
|
|
|
09-16-2013, 10:25 PM
|
#68 (permalink)
|
|
Master EcoModder
Join Date: Jul 2011
Location: Ann Arbor, Michigan
Posts: 4,187
Thanks: 132
Thanked 2,809 Times in 1,973 Posts
|
Lawrence Livermore National Lab, Navistar work to increase semi-truck fuel efficiency
Full-scale tests taking place in world’s largest
wind tunnel at NASA Ames
https://www.llnl.gov/news/newsreleas...-10-02-08.html
Quote:
|
Aerodynamic drag is caused from pressure differences around the vehicle. At highway speeds, a semi-truck uses more than 50 percent of the energy produced by the vehicle engine to overcome aerodynamic drag, while rolling resistance consumes roughly 30 percent of the usable energy.
|
__________________
George
Architect, Artist and Designer of Objects
2012 Infiniti G37X Coupe
1977 Porsche 911s Targa
1998 Chevy S-10 Pick-Up truck
1989 Scat II HP Hovercraft
You cannot sell aerodynamics in a can............
|
|
|
|
|
09-16-2013, 11:57 PM
|
#69 (permalink)
|
|
EcoModding Lurker
Join Date: Sep 2013
Location: Indianapolis / Chicago
Posts: 27
Thanks: 6
Thanked 18 Times in 7 Posts
|
Quote:
Originally Posted by kach22i
|
This picture exert from one of my aero books shows areas to target with biggest benefit for underbody of vehicles.
Quote:
Originally Posted by kach22i
|
I think CdA is better than just Cd to use personally. If you increase the area while decreasing the Cd might not gain you anything mpg wise.
|
|
|
|
|
09-17-2013, 10:55 AM
|
#70 (permalink)
|
|
Master EcoModder
Join Date: Jul 2011
Location: Ann Arbor, Michigan
Posts: 4,187
Thanks: 132
Thanked 2,809 Times in 1,973 Posts
|
Quote:
Originally Posted by cfd_guy
I think CdA is better than just Cd to use personally. If you increase the area while decreasing the Cd might not gain you anything mpg wise.
|
Yes and no, it's not a linear relationship.
A recent discussion comparing the GM EV-1 Impact to the smaller first generation Honda Insite was quite reveling.
__________________
George
Architect, Artist and Designer of Objects
2012 Infiniti G37X Coupe
1977 Porsche 911s Targa
1998 Chevy S-10 Pick-Up truck
1989 Scat II HP Hovercraft
You cannot sell aerodynamics in a can............
|
|
|
|
|
