This multi-threading system allows running several vortex rings simultaneously, what considerably reduces the calculation time in multiple-cores machines.
22.
Cause of crash was pilot losing control due to high vertical rate of descent causing vortex ring state.
23.
Coyle said the side-by-side configuration of the Osprey's rotors makes it susceptible to the onset of vortex ring state.
24.
Because of the way they rotate, a vortex ring can hold itself together and travel for quite a distance.
25.
Visible vortex rings can also be formed by the firing of certain artillery, in mushroom clouds, and in microbursts.
26.
Unlike a sea wave, whose motion is only apparent, a moving vortex ring actually carries the spinning fluid along.
27.
Pentagon investigators have found that program officials canceled tests into vortex ring state to meet deadlines and reduce costs.
28.
The pilot's too-rapid approach produced a phenomenon known as " vortex ring state "-- essentially a stall, the investigators concluded.
29.
In the Arizona accident, the Marines concluded that one factor was pilot error in dealing with a vortex ring state.
30.
Single shot field tests performed without optimized nozzles led to the conclusion vortex rings were unsuitable for non-lethal crowd control.
