News tagged with aerodynamic drag


Bee

Trading energy for safety, bees extend legs to stay stable in wind

Biology / Plants & Animals

created Jun 02, 2009 | popularity 5 / 5 (3) | comments 0

New research shows some bees brace themselves against wind and turbulence by extending their sturdy hind legs while flying. But this approach comes at a steep cost, increasing aerodynamic drag and the power ...





Search results for aerodynamic drag


Rising Diesel Prices Renew Interest in Fuel Saving Technologies

Rising Diesel Prices Renew Interest in Fuel Saving Technologies

Technology / Engineering

created Jun 11, 2008 | popularity 3.6 / 5 (9) | comments 2

Diesel fuel prices approaching $5 a gallon – and the resulting economic impact on products transported by truck – have created renewed interest in fuel-saving technologies developed during the past decade ...


White vans goes green: Novel spoiler design reduces fuel consumption

Technology / Engineering

created Nov 10, 2008 | popularity 3.7 / 5 (17) | comments 5

As if the drivers of mini vans and utility vehicles needed any more encouragement to drive fast between jobs, US researchers have designed a new rear spoiler for bluff-backed vehicles that can reduce drag and lift significantly. ...


Physicists aim to help golfers by producing better balls that fly farther

Physics / General Physics

created Nov 24, 2008 | popularity 4 / 5 (21) | comments 0

At the 61st Meeting of the American Physical Society's Division of Fluid Dynamics this week, a team of researchers from Arizona State University and the University of Maryland is reporting research that may soon give avid ...


GOCE

GOCE satellite achieves drag-free perfection (w/Videos)

Space & Earth / Space Exploration

created May 26, 2009 | popularity 4.8 / 5 (19) | comments 11

(PhysOrg.com) -- ESA's gravity mission GOCE has achieved a first in the history of satellite technology. The sophisticated electric propulsion system has shown that it is able to keep the satellite completely ...


Following the leader can be a drag

Following the leader can be a drag, research shows

Physics / General Physics

created Nov 06, 2008 | popularity 4.7 / 5 (18) | comments 0

(PhysOrg.com) -- From the Tour de France to NASCAR, competitors and fans know that speed is only part of the equation. Strategy -- and the ability to use elements like aerodynamic drafting, which makes it ...


In many fungi, reproductive spores are remarkably aerodynamic

Other Sciences / Mathematics

created Dec 23, 2008 | popularity 4.6 / 5 (5) | comments 2

The reproductive spores of many species of fungi have evolved remarkably drag-minimizing shapes, according to new research by mycologists and applied mathematicians at Harvard University.


Scientist uses dragonflies to better understand flight

Scientist uses dragonflies to better understand flight

Other Sciences /

created Feb 20, 2006 | popularity 4.1 / 5 (14) | comments 0

If mastering flight is your goal, you can't do better than to emulate a dragonfly. With four wings instead of the standard two and an unusual pitching stroke that allows the bug to hover and even shift into ...


Engineer devises ways to improve gas mileage

Technology / Engineering

created Mar 16, 2009 | popularity 3.9 / 5 (11) | comments 4

(PhysOrg.com) -- Last summer, it was very expensive to fill up a gas tank when the gasoline price hit close to four dollars a gallon. Transportation by road or air consumes fuel, which not only increases our vulnerability ...


Slotted buses keep passengers cool

Technology / Engineering

created Jul 20, 2009 | popularity 4.5 / 5 (2) | comments 0

A simple redesign of public buses used in hot and dry climates could make passengers more comfortable without the need to use extra fuel running air conditioning, according to a study published in the International Journal of ...


Bumblebee flight 'triumph of power over finesse'

Bumblebee flight 'triumph of power over finesse'

Biology / Plants & Animals

created May 07, 2009 | popularity 4 / 5 (12) | comments 13

(PhysOrg.com) -- Brute force rather than aerodynamic efficiency is the key to bumblebee flight, Oxford University scientists have discovered.



List of search results for aerodynamic drag