Radiated Field Generated by a Monopole Source in a Short, Rigid, Rectangular Duct

Name: Radiated Field Generated by a Monopole Source in a Short, Rigid, Rectangular Duct
Brand: Biblioscholar
SKU: 9781288910809
Price: 369 CZK
Availability: InStock

Autor: Barbara Ann Lakota

Jazyk:

Vazba: Brožovaná

Vydavatel: Biblioscholar

Dostupnost: Skladem u dodavatele

Odesíláme za 14-21 dnů

369 Kč

This thesis develops a method to model the acoustic field generated by a monopole source placed in a...

Informace o knize

Autor

Barbara Ann Lakota

Jazyk

Angličtina

Vazba

Kniha - Brožovaná

Vydáno

2013

Stránek

EAN

9781288910809

ISBN

9781288910809

Enbook ID

08287008

Vydavatel

Biblioscholar

Hmotnost

172

Rozměry

189 x 246 x 5

Kompletní popis

This thesis develops a method to model the acoustic field generated by a monopole source placed in a moving rectangular duct. The walls of the duct are assumed to be infinitesimally thin and the source is placed at the center of the duct. The total acoustic pressure is written in terms of the free-space pressure, or incident pressure, and the scattered pressure. The scattered pressure is the augmentation to the incident pressure due to the presence of the duct. It satisfies a homogeneous wave equation and is discontinuous across the duct walls. Utilizing an integral representation of the scattered pressure, a set of singular boundary integral equations governing the unknown jump in scattered pressure is derived. This equation is solved by the method of collocation after representing the jump in pressure as a double series of shape functions. The solution obtained is then substituted back into the integral representation to determine the scattered pressure, and the total acoustic pressure at any point in the field. A few examples are included to illustrate the influence of various geometric and kinematic parameters on the radiated sound field.

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Radiated Field Generated by a Monopole Source in a Short, Rigid, Rectangular Duct

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