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작성자럭셔리 조회 5회 작성일 2021-06-13 14:38:24 댓글 0

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Ice Induced Stall Pilot Training

This training aid is intended to help pilots understand the phenomenon of tailplane and wing stall while flying in icing conditions. The training also explains icing certification rules. And it recommends cockpit procedures to mitigate ice induced stall in order to maintain controlled flight during unexpected icing encounters.

Much has occurred since NASA's original 1998 ice contaminated tailplane stall video. This film updates that training. Specifically addressing the reality that for the past 30 years most icing accidents were caused by wing stall versus tail stall. The FAA wants to make pilots aware that vigilance is necessary to avoid the low-speed stall accidents that occur in icing, especially with the autopilot engaged.

The information in this training video supersedes, supplants, and replaces the instruction in all previous NASA tail stall icing training videos.
RR KNL : Really good video!

Having flown quite a few different types small planes often in IMC and often in ice, there is a serious difference in behavior from one model to another. Some planes handle ice well, other begin flying like a brick.

Some planes with boots are pretty tame, others not so much.......

This is why you need to be paying extra attention especially if you're not familiar with a particular aircrafts behavior in ice.
F Huber : Anti-ice clears ice where the anti-ice system heats or flexes the surface. (within the capability of the equipment)

There is a LOT of surface that has no means of forcing the ice to shed. Ice = weight and drag and disrupted airflow.

I'd ask for different altitude if the plane is cycling accumulating and shedding ice on the prop.... That is a big sign you need to get somewhere colder or warmer.
Windtee : Cool production, well produced!
robo931 : The daytime soap acting is cringeworthy but the information is good.
Michael Frey : Thank you for sharing this great training video for free. I know you doing it in the name of safety (and thus in your own interest of reputation in the long run), but it is also a valuable resource for pilots outside of the USA. Sharing this to literally the world is so valuable.

Dynamic stall of an aerofoil in ramp-up motion

Dynamic stall of an aerofoil in ramp-up motion

Marco Edoardo Rosti, City University of London
Mohammad Omidyeganeh, City University of London
Alfredo Pinelli, City University of London

DOI: https://doi.org/10.1103/APS.DFD.2016.GFM.V0044

We have studied the three dimensional, unsteady, flows around a wing in various flight conditions, mimicking those experienced during take-off and landing or the influence of a wind gust. With the aid of numerical simulations, as an alternative to experiments in wind tunnel, we were able to develop new wing designs that can enhance aerodynamic performance at no extra cost. These can improve an aircraft’s maneuverability, increase the amount of weight it can carry, or reduce the fuel consumed – all of which may contribute to reductions in greenhouse gases.

See other videos from the 2015 Gallery of Fluid Motion: http://gfm.aps.org/
Shubham Sangodker : Awesome work on the dynamic stall man, keep it up
Ben Cox : Such a good simulation - really demonstrates the physical manifestation well!
Nelly Vanessa Pérez : Gustó
Jordan Doitchinov : Hello all, where can I learn more about your dynamic stall simulation? What software package did you use? Is there a paper for this? We want to do a similar simulation! Thanks a lot, Iordan!
manaohar samtani : You did a great job . I wanted to see vortex formation as angle of attack increased.

Hog Slat Free Access Stall

The Free Access Gestation Stall is a good compliment to open pen barns. Watch from World Pork Expo this past week as Hog Slat's Equipment Design Engineer talks about advantages the Free Access stall can bring to your operation.

Learn more at https://hogslat.com/global/flyers/hog-slat-free-access-stall-flyer/

SUBSCRIBE to the Hog Slat YouTube channel: https://www.youtube.com/channel/UCAawwCy2y-a-NSIjy4biN7A

Follow @HogSlat:
Hog Slat Blog:https://www.hogslat.com/blog​
Hog Slat Twitter: https://twitter.com/Hog_Slat​
Hog Slat Facebook: https://www.facebook.com/HogSlatInc/​
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