Electro- mechanical Deicing
Ice kills. That's why engineers continue to invent new ways to keep it off airplane wings.
- By Tim Wright
- Air & Space magazine, March 2004
NASA Glenn Research Center
(Page 2 of 2)
At 28 volts and less than 10 amps aboard the Premier 1, EMEDS’s power requirements are attractively low compared with the engine bleed air or electrical power demand of thermal evaporative systems.
Raytheon uses EMEDS in the Premier’s tail section and will include it in its other jets. To anti-ice wings and ensure that no fragments reach the engines, the company will continue to use engine bleed air.
EMEDS won’t see wide use in transport aircraft until it is included in aircraft design—literally built into the wing. But it may be accepted faster in smaller general aviation aircraft, where bleed air isn’t available and weight and electrical power limitations are stringent. Many pilots prefer evaporative anti-icing systems. Says Al-Khalil, “Pilots want to use all anti-ice systems. They don’t like deicing, but they’ll live with it.”