NASA NTRS · 19850000217
Aerodynamic Rear Cone for Trucks
Abstract
Wind-inflated cone reduces turbulence that ordinarily occurs in air just behind square-back truck traveling at high speed. Wind around truck would enter slits in folded cone and automatically deploy it. Energy lost to air turbulence greatly reduced, and fuel consumed by truck reduced accordingly. In addition, less air turbulence means less disturbance to nearby vehicles on highway.
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Bullman, J.. 1985-10-01. Aerodynamic Rear Cone for Trucks. https://ntrs.nasa.gov/citations/19850000217
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