Results 1 to 10 of about 410 (178)

Review of Sonic Boom Prediction and Reduction Methods for Next Generation of Supersonic Aircraft

open access: yesAerospace, 2023
The reduction of sonic boom levels is the main challenge but also the key factor to start a new era of supersonic commercial flights. Since 1970, a FAA regulation has banned supersonic flights overland for unacceptable sonic booms at the ground, and many
Giordana Bonavolonta   +2 more
exaly   +3 more sources

Evaluation of Sonic Boom Shock Wave Generation with CFD Methods

open access: yesAerospace
Over the past two decades, there has been a renewed interest in the development of a new generation of supersonic aircraft for civil purposes that could potentially succeed Concorde.
Samuele Graziani   +2 more
exaly   +3 more sources

Sonic boom measurements: Practical implications considering ground effects, microphone installation, and weather hardening [PDF]

open access: yesJASA Express Letters, 2022
Sonic boom measurements from recent flight tests have provided an opportunity to investigate effects of microphone installation on sonic boom waveforms, spectra, and metric levels in support of NASA X-59 flight test planning.
Robert Downs   +6 more
doaj   +1 more source

Research on Far-field Acoustic Explosion Prediction of Supersonic Aircraft Based on Augmented Burgers Equation

open access: yesHangkong gongcheng jinzhan, 2021
The sonic boom problem is a great barrier to the application of supersonic aircraft, and the accurate sonic boom prediction method is the key of the sonic boom problem.Waveform parameter method and augmented Burgers equation method are frequently used ...
CUI Qing   +3 more
doaj   +1 more source

Research progress of aerodynamic configuration technology of low sonic boom supersonic aircraft

open access: yesHangkong gongcheng jinzhan, 2023
The aerodynamic configuration of supersonic aircraft has an important effect on the intensity of sonic boom, and the low sonic boom supersonic configuration is the key of the new generation supersonic aircraft, so the aerodynamic configuration of low ...
SU Fengnian   +5 more
doaj   +1 more source

An active control method for reducing sonic boom of supersonic aircraft

open access: yesXibei Gongye Daxue Xuebao, 2021
Sonic boom reduction has been an urgent need to develop the future supersonic transport, because of the heavy damages of the noise pollution. This paper provides an active control method for the supersonic aircraft to reduce the sonic boom, wherein a ...

doaj   +1 more source

To the issue of evaluating sonic boom overpressure and loudness [PDF]

open access: yesMATEC Web of Conferences, 2019
At present, in the world there is a growing interest in the development of a new generation of supersonic passenger aircraft. One of the main problems of creating such aircraft is to ensure both an acceptable sonic boom level and high aerodynamic ...
Bashkirov Igor G.   +5 more
doaj   +1 more source

Design of a low frequency, impulsive sound simulator in an existing house for sonic boom perceptual studies

open access: yesActa Acustica, 2023
The renewal of civil supersonic aviation is partly conditioned by the establishment of an international regulation on sonic boom level. Human perception of booms from future aircraft creating sound disturbances of lower level than past ones can currently
Cretagne Léo   +7 more
doaj   +1 more source

Aerodynamic Optimization Design on Supersonic Transports Considering Sonic Boom Intensity

open access: yesXibei Gongye Daxue Xuebao, 2020
It is key points to improve the aerodynamic efficiency and decrease the sonic-boom intensity for the supersonic aircraft design. Sonic-boom prediction method with high precision combining the near-field sonic-boom prediction based on Reynolds-Averaged ...

doaj   +1 more source

Deep learning for inverse design of low-boom supersonic configurations

open access: yesAdvances in Aerodynamics, 2023
Mitigating the sonic boom to an acceptable stage is crucial for the next generation of supersonic transports. The primary way to suppress sonic booms is to develop a low sonic boom aerodynamic shape design.
Shusheng Chen   +4 more
doaj   +1 more source

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