sonic barrier


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sonic barrier

[′sän·ik ′bar·ē·ər]
(aerospace engineering)
A popular term for the large increase in drag that acts upon an aircraft approaching acoustic velocity; the point at which the speed of sound is attained and existing subsonic and supersonic flow theories are rather indefinite. Also known as sound barrier.
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Built by Sonic Barrier, the enclosures house the generator set, controls, battery charger, service lighting and 700 gal.