As a followup to yesterday’s question about ways to explain lift on an airfoil, here’s a video that explains where the circulation around the airfoil comes from and why the Keep reading
Tag: circulation
Reader Question: How Airfoils Produce Lift
doughboy3-deactivated20120305 asks: I’m a Undergrad Aeronautical Engineering student. I’m curious as to your opinion as to how airfoils produce lift. I know the usual theory told in this situation. However my Keep reading
Stirred Up Sediment
Swirls of blue in the Great Lakes mark locations of recent autumn storms whose winds have stirred up sediment in the lakes. The silt and quartz sand acts as a Keep reading
Earthquake-induced Whirlpool
In the wake of the 8.9-magnitude earthquake that hit Japan today, a massive whirlpool has appeared off the coast. It does not appear to have a downdraft, so it’s not Keep reading