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The visualization is colored by speed, from slower green to faster red air velocities. A strong vortex appears coming off the edge of the landing gear doors. Simulations run on NASA supercomputers at Ames allow researchers to better understand the changes in flow behavior that contribute to airframe noise.

Researchers Explore Aircraft Landing Gear Aerodynamics Through Supercomputer Simulations

While aircraft efficiency has improved over the years, noise continues to be a problem for existing aircraft and will likely be a concern for next-generation designs. During landing, when the engines are operating at reduced power, noise from the airframe, including landing gear, can be equal to or greater than the engine noise.

Image Credit: NASA's Ames Research Center / Patrick Moran; NASA's Langley Research Center, Mehdi Khorrami; Exa Corporation, Ehab Fares

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Image CreditNASA's Ames Research Center / Patrick Moran; NASA's Langley Research Center, Mehdi Khorrami; Exa Corporation, Ehab Fares
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