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Asymptotic Approximations for the Sound Generated by Aerofoils in Unsteady Subsonic Flows

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This thesis investigates the sound generated by solid bodies in steady subsonic flows with unsteady perturbations, as is typically used when determining the noise generated by turbulent interactions. The focus is predominantly on modelling the sound generated by blades within an aircraft engine, and the solutions are presented as asymptotic approximations. Key analytical techniques, such as the Wiener-Hopf method, and the matched asymptotic expansion method are clearly detailed. The results allow for the effect of variations in the steady flow or blade shape on the noise generated to be analysed much faster than when solving the problem numerically or considering it experimentally.

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Series Title

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Call Number

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Publisher

: Springer Cham., 2015

Collation

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Language

English

ISBN/ISSN

978-3-319-19959-7

Classification

NONE

Content Type

text

Media Type

computer

Carrier Type

online resource

Edition

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Subject(s)

Acoustics
Mathematical Methods in Physics
Mathematical Modeling and Industrial Mathematics
Engineering Acoustics

Specific Detail Info

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Statement of Responsibility

Lorna Ayton

Other Information

Cataloger

Yudi

Source

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