When it comes to commercial aviation, even the smallest improvements in fuel efficiency mean millions of dollars saved and fewer harmful emissions in our atmosphere. That's why NASA is looking everywhere for ways to improve fuel efficiency. Two of its most promising projects — a bug-repellant coating and a new technology for smaller vertical tails — are now ready to be tested in the real world.
Bugs splattered across the surface of a commercial jet might seem pretty insignificant, but NASA researchers say they can decrease fuel efficiency by as much as six percent. When those dead bugs collect on aerodynamically-sensitive elements like the leading edge of wings, they disturb the airflow over the surface. That causes turbulent air and...
via The Verge - All Posts http://ift.tt/1GcbNST
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