Glow with the Flow
Researchers at NASA's Langley Research Center in Hampton, Va., use all sorts
of tools and techniques to learn more during the development of aircraft and
spacecraft designs.
In this photo, engineers led by researcher Greg Gatlin have sprayed
fluorescent oil on a 5.8 percent scale model of a futuristic hybrid wing body
during tests in the14 by-22-Foot Subsonic Wind Tunnel.
The oil helps researchers "see" the flow patterns when air passes over and
around the model. Those patterns are important in determining crucial aircraft
characteristics such as lift and drag.
Image Credit: NASA Langley/Preston
Martin
Guillermo Gonzalo Sánchez Achutegui
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