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Aircraft noise modeling

Aircraft noise modeling
Aircraft noise modeling
Aircraft noise exerts an adverse influence on the environment and on people's health, and is also a performance issue. The aircraft noise problem is a complex topic that covers a number of areas, including passenger cabin and cockpit noise, ramp noise, structure-borne noise, propulsive system noise, jet noise, airframe noise, etc., each of which requires separate modeling and mitigation treatments. These noise sources can be studied by a variety of approaches, including analytical, experimental, simulation, and modeling. Nowadays, high-fidelity simulations, high-fidelity scale model tests, and flight tests play increasingly important roles in aircraft design and noise assessment. However, empirical, semiempirical, and physics-based modeling methods can still play an important role in assessment and optimization processes. These methods can be accurate, efficient, and cost-effective. Their reliability is often based on the theory of aerodynamic sound generation, scaling laws, and correlation with wind tunnel and flight tests. This chapter introduces several models that describe the noise generated by key aircraft components such as high-lift devices, landing gears, and rotors. Methods reviewed include semiempirical methods, component-based methods, physics-based methods, and analytical methods.
John Wiley & Sons
Zhang, Xin
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Angland, David
b86880c6-31fa-452b-ada8-4bbd83cda47f
Gill, James
1e31eb24-f833-462e-b610-23b5b28e7285
Zhang, Xin
788d80a9-6117-4670-81ef-f8ef2d26d30c
Angland, David
b86880c6-31fa-452b-ada8-4bbd83cda47f
Gill, James
1e31eb24-f833-462e-b610-23b5b28e7285

Zhang, Xin, Angland, David and Gill, James (2016) Aircraft noise modeling. In, Encyclopedia of Aerospace Engineering. Chichester, GB. John Wiley & Sons. (doi:10.1002/9780470686652.eae1046).

Record type: Book Section

Abstract

Aircraft noise exerts an adverse influence on the environment and on people's health, and is also a performance issue. The aircraft noise problem is a complex topic that covers a number of areas, including passenger cabin and cockpit noise, ramp noise, structure-borne noise, propulsive system noise, jet noise, airframe noise, etc., each of which requires separate modeling and mitigation treatments. These noise sources can be studied by a variety of approaches, including analytical, experimental, simulation, and modeling. Nowadays, high-fidelity simulations, high-fidelity scale model tests, and flight tests play increasingly important roles in aircraft design and noise assessment. However, empirical, semiempirical, and physics-based modeling methods can still play an important role in assessment and optimization processes. These methods can be accurate, efficient, and cost-effective. Their reliability is often based on the theory of aerodynamic sound generation, scaling laws, and correlation with wind tunnel and flight tests. This chapter introduces several models that describe the noise generated by key aircraft components such as high-lift devices, landing gears, and rotors. Methods reviewed include semiempirical methods, component-based methods, physics-based methods, and analytical methods.

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e-pub ahead of print date: 15 May 2016
Organisations: Aerodynamics & Flight Mechanics Group

Identifiers

Local EPrints ID: 398444
URI: http://eprints.soton.ac.uk/id/eprint/398444
PURE UUID: 23da298b-47fe-40da-aff5-ad6117fce67f

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Date deposited: 26 Jul 2016 08:55
Last modified: 15 Mar 2024 01:34

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Contributors

Author: Xin Zhang
Author: David Angland
Author: James Gill

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