Statements (48)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
physical phenomenon
|
| gptkbp:alsoKnownAs |
sonic barrier
|
| gptkbp:brokenBy |
rockets
supersonic aircraft bullets |
| gptkbp:cause |
shock waves
sonic boom loss of control (in early aircraft) rapid increase in drag |
| gptkbp:defines |
The increase in aerodynamic drag and other effects experienced by an object when it approaches the speed of sound in air.
|
| gptkbp:effect |
temperature rise
compressibility effects pressure wave formation |
| gptkbp:firstBrokenBy |
gptkb:Chuck_Yeager
|
| gptkbp:firstBrokenIn |
gptkb:Bell_X-1
|
| gptkbp:firstBrokenOn |
October 14, 1947
|
| gptkbp:hasUnit |
gptkb:Mach_number
|
| gptkbp:historicallyConsidered |
impossible to break
|
| https://www.w3.org/2000/01/rdf-schema#label |
Sound barrier
|
| gptkbp:isObstacleFor |
gptkb:aircraft
projectiles spacecraft (in atmosphere) |
| gptkbp:occurredIn |
approximately 343 meters per second at sea level
|
| gptkbp:relatedTo |
gptkb:aircraft
gptkb:Mach_1 aviation missiles physics jet engines space exploration aerodynamics commercial aviation high-speed trains aerodynamic design speed of sound ballistics supersonic flight supersonic transport hypersonic flight space launch vehicles wind tunnels transonic flight military jets |
| gptkbp:studiedBy |
gptkb:NASA
gptkb:National_Advisory_Committee_for_Aeronautics_(NACA) military aviation organizations |
| gptkbp:bfsParent |
gptkb:Acoustic_Fence
|
| gptkbp:bfsLayer |
8
|