| 释义 |
sonic barrier
sonic barriern. The sudden sharp increase in aerodynamic drag experienced by aircraft approaching the speed of sound. Also called sound barrier.sonic barrier n (Aeronautics) another name for sound barrier sound′ bar`rier
n. an abrupt increase in drag experienced by an aircraft approaching the speed of sound. [1950–55] son·ic barrier (sŏn′ĭk) See sound barrier.Thesaurus| Noun | 1. | sonic barrier - the increase in aerodynamic drag as an airplane approaches the speed of soundsound barrierdrag, retarding force - the phenomenon of resistance to motion through a fluid |
sonic barrier
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. sonic barrier
Synonyms for sonic barriernoun the increase in aerodynamic drag as an airplane approaches the speed of soundSynonymsRelated Words |