The role of nonlinear effects in the propagation of noise from high-power jet aircraft
To address the question of the role of nonlinear effects in the propagation of noise radiated
by high-power jet aircraft, extensive measurements were made of the F-22A Raptor during …
by high-power jet aircraft, extensive measurements were made of the F-22A Raptor during …
The near-field pressure radiated by planar high-speed free-shear-flow turbulence
Jets with Mach numbers $ M\gtrsim 1.5$ are well known to emit an intense, fricative, so-
called crackle sound, having steep compressions interspersed with weaker expansions that …
called crackle sound, having steep compressions interspersed with weaker expansions that …
Investigating spectral distortion of local volcano infrasound by nonlinear propagation at Sakurajima Volcano, Japan
Sound waves generated by erupting volcanoes can be used to infer important source
dynamics, yet acoustic source‐time functions may be distorted during propagation, even at …
dynamics, yet acoustic source‐time functions may be distorted during propagation, even at …
[HTML][HTML] Bicoherence analysis of model-scale jet noise
Bicoherence analysis has been used to characterize nonlinear effects in the propagation of
noise from a model-scale, Mach-2.0, unheated jet. Nonlinear propagation effects are …
noise from a model-scale, Mach-2.0, unheated jet. Nonlinear propagation effects are …
Effects of jet noise source distribution on acoustic far-field measurements
CW Kuo, J Veltin… - International journal of …, 2012 - journals.sagepub.com
Jet noise production is well known to be of a distributed nature along the jet, with high
frequency noise components radiating from locations close to the nozzle exit and low …
frequency noise components radiating from locations close to the nozzle exit and low …
Acoustical nonlinearities in aircraft flyover data
SA McInerny, K Gee, M Downing… - 13th AIAA/CEAS …, 2007 - arc.aiaa.org
ECENT studies have concluded that nonlinear effects can play a role in the propagation of
noise produced by high-speed jets. These studies have included laboratory model-scale …
noise produced by high-speed jets. These studies have included laboratory model-scale …
Algorithm for the nonlinear propagation of broadband jet noise
THE jet noise generated by modern jet fighter aircraft is sufficiently loud that its propagation
to a distant observer is not linear but involves a steepening of the wave fronts and shock …
to a distant observer is not linear but involves a steepening of the wave fronts and shock …
[图书][B] Extending acoustic data measured with small-scale supersonic model jets to practical aircraft exhaust jets
CW Kuo - 2010 - search.proquest.com
Modern military aircraft jet engines are designed with variable geometry nozzles to provide
optimum thrust in different operating conditions within the flight envelope. However, the …
optimum thrust in different operating conditions within the flight envelope. However, the …
Flow structures associated with turbulent mixing noise and screech tones in axisymmetric jets
A jet from an axisymmetric convergent nozzle is studied at ideal and underexpanded
conditions using velocity and acoustic data. Two particle imaging velocimetry setups, a 10 …
conditions using velocity and acoustic data. Two particle imaging velocimetry setups, a 10 …
Nonlinearity analysis of model-scale jet noise
KL Gee, AA Atchley, LE Falco… - AIP Conference …, 2012 - pubs.aip.org
This paper describes the use of a spectrally-based “nonlinearity indicator” to complement
ordinary spectral analysis of jet noise propagation data. The indicator, which involves the …
ordinary spectral analysis of jet noise propagation data. The indicator, which involves the …