permissible disturbance

1. допустимая помеха

noise n acoustic noise actual noise level measurement actual sideline noise level aerodynamic noise aggregate noise duration aircraft noise abatement operating procedures aircraft noise annoyance aircraft noise certificate aircraft noise pollution aircraft noise prediction program airport noise contour ambient noise ambient noise level approach noise angle approach noise level approach noise measurement approach noise path approach noise reference point atmospheric noise attenuate noise augmented lift system noise certificated noise level Committee on Aircraft Noise community noise level composite noise rating continuous perceived noise level contour of perceived noise corrugated noise suppressor current noise technology standard design noise level dipole-type noise field directional noise measurement duration of noise effect environment control system noise equal noise contour exhaust noise suppressor flight test noise measurement flyover noise flyover noise level flyover noise limit flyover noise measurement flyover noise test generalized noise characteristics ground run-up noise abatement ignition noise jet noise jet noise prediction technique landing noise lateral noise measurement distance level flight noise requirements main rotor noise maximum permissible noise level measured noise data minimum noise procedure minimum noise route noise abatement device noise abatement measures noise abatement procedures noise abatement takeoff noise abatement technique noise abatement thrust cutback noise absorbing wedge noise absorption noise absorption coefficient noise annoyance rating system noise attenuation noise cancelling noise carpet noise certification approach path noise certification procedure noise certification reference conditions noise certification scheme noise certification standard noise certification takeoff flight path noise certification test conditions noise characteristics noise charge noise control noise control technique noise curfew noise directivity noise dissipation noise disturbance noise dose contour noise environment noise evaluation noise evaluation method noise evaluation procedure noise exposure assessment method noise exposure contour noise exposure forecast noise field noise filter noise floor noise footprint noise generation noise immunity noise insulation noise level noise level attenuation curve noise level radiation noise level value noise map noise measurement location noise measurement procedure noise meter noise monitoring noise muffler noise path noise path length noise preferential route noise preferential runway noise pressure level noise propagation noise propagation pattern noise reduction noise reduction modification noise reduction requirements noise scale noise sertification test noise spectrum noise suppression noise suppression device noise suppressor noise test noise thrust correction originate noise peak perceived noise level permissible noise level radio noise reduce noise reduce noise level reverse thrust noise solar noise standard noise level subsonic noise standard take-off noise takeoff noise takeoff noise angle takeoff noise test test noise turbulence-induced noise unit noise duration

- velocity of flow - velocity of retreat - velocity of rotation - velocity of sound - velocity of wind - angular velocity - critical flow velocity - current velocity - discharge velocity - disturbance velocity - economic velocity - efflux velocity - eroding velocity - exit velocity - face velocity - filter velocity - flame blow-off velocity - flow erosive velocity - fracture velocity - initial velocity - inlet velocity - intake velocity - jet velocity - natural velocity - non-silting velocity - nozzle velocity - outlet velocity - peripheral velocity - permissible canal velocity of water flow - random velocity - relative velocity - remaining velocity - scouring velocity - self-cleansing velocity - valve velocity - water flow velocity - velocity of the waves
- air velocity
- angular velocity
- approach velocity
- axial velocity
- capture velocity
- center-line velocity
- circumferential velocity
- critical wind velocity
- current velocity
- depth-mean velocity
- design velocity
- effective velocity of ground water
- efflux velocity
- erosive velocity
- exit velocity
- face velocity
- filter velocity
- final velocity
- flow velocity
- free area velocity
- frontal velocity
- higher critical velocity
- initial velocity
- Kennedy's critical velocity
- limiting velocity
- local air velocity
- mass velocity
- natural velocity of flow
- nonscouring velocity
- nonsilting velocity
- nozzle velocity
- outlet velocity
- scouring velocity
- seepage velocity
- self-cleaning velocity
- self-cleansing velocity
- settling velocity
- terminal velocity
- wind velocity

- evaluation strategy