Ice buildup may be within tolerance for a time, but it only takes a few short minutes for ice accretion
to become extreme and urgent.
Yet the phenomenon, known as engine core ice accretion
, has happened more than 150 times since 1988--frequently enough to attract the attention of NASA aviation safety experts.
During the course of the first flight, the OID successfully detected numerous ice accretion
Bank angle plus ice accretion
would have given the airplane a higher stall speed.
In addition, another possible issue is the built-up of ice accretion
if partially frozen or super-cooled droplets impinged on the facility walls.
Contributions come from a variety of organizations including NASA, Boeing Aircraft, and Pennsylvania State University, and address aspects of the issue such as fluid dynamics, observational technology, hydrophobic coatings, interaction of meteorological conditions with wing shapes, and a variety of ice accretion
Two environmental factors allow Rock Sandpipers to inhabit Cook Inlet during winter: 1) an abundant bivalve (Macoma balthica) food source and 2) current and tidal dynamics that keep foraging substrates accessible during all but extreme periods of cold and ice accretion
The third, Ice Accretion
and Release in Fuel, got under way at the end of last year and is still in progress.
Thus, in comparison with the smooth LDPE coating and superhydrophobic LDPE coating with high sliding angle, the superhydrophobic LDPE coating with low sliding angle can effectively mitigate the ice accretion
When the aircraft is in cruise flight, it has a slightly positive angle of attack that exposes a minimum amount of the wing lower surface to ice accretion
However, the Antarctic ice mass has a much more complex story than the 'floating' sea ice of the north as it incorporates a huge amount of land-based ice that indeed shows thickening and ice accretion
The most significant ice accretion
, greater than three quarters of an inch, was in an area bounded approximately by Hendersonville and Tryon, NC and Greenville, SC.