onsdag 16. mars 2016

Icing? - No problem - Curt Lewis


New material could make aircraft deicers a thing of the past

SLUGs coatings on the right three panels at a test station repel snow and ice, but snow builds up on an untreated panel (far left). Credit: Chihiro Urata

Instead of applying a deicing agent to strip ice from an aircraft's wings before stormy winter takeoffs, airport personnel could in the future just watch chunks slide right off without lifting a finger. Scientists report they have developed a liquid-like substance that can make wings and other surfaces so slippery that ice cannot adhere. The slick substance is secreted from a film on the wing's surface as temperatures drop below freezing and retreats back into the film as temperatures rise.

The researchers present their work today at the 251st National Meeting & Exposition of the American Chemical Society (ACS).

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