A team led by Northrop Grumman is developing concepts for adaptive wing models incorporating ``smart'' materials, such as shape memory alloys and advanced sensors, to modify airfoil configurations to match specific flight conditions. Under a 30-month, $3.4-million contract from the Defense Advanced Projects Research Agency, the team has tested a 16%-scale F/A-18 wing model here in NASA/Langley Research Center's Transonic Dynamics Tunnel to determine the performance of smart wing ...

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