aerodynamic control tagged posts

Bats’ Flight Technique Could Lead to Better Drones

Figure 2

Iso-surface plot of Q-criterion (2500) showing the vortices generated at the transition between upstroke and downstroke at 2 m/s, viewed obliquely from above and behind. Iso-surface plot of Q-criterion (2500) showing the vortices generated at the transition between upstroke and downstroke at 2 m/s, viewed obliquely from above and behind.

Long-eared bats are assisted in flight by their ears and body, according to a study by researchers at Lund University in Sweden. The recent findings improve understanding of the bats’ flying technique and could be significant for the future development of drones etc. Contrary to what researchers previously assumed, Christoffer Johansson Westheim et al show long-eared bats are helped in flight by their large ears.

“We show how the air behind the body of a l...

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