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Zh. Vychisl. Mat. Mat. Fiz., 2013, Volume 53, Number 7, Pages 1139–1149 (Mi zvmmf9827)  

Active noise cancellation in a waveguide in the presence of flow

V. P. Ivanov

A. A. Blagonravov Mechanical Engineering Institute RAS, Moscow

Abstract: Active sound cancellation in a waveguide by applying a receiver-emitter placed on the waveguide wall in the presence of a constant-velocity flow in the waveguide is studied. The acoustic field propagating inside the waveguide together with the flow is measured and used to determine the amplitudes and phases of auxiliary emitters whose field is applied to suppress the incident field in the waveguide.

Key words: medium flow in a waveguide, active sound cancellation, auxiliary emitter, receiver, array antenna, potential, inverse problem, Vandermonde determinant, acoustic wave equation, inverse scattering problem.

DOI: https://doi.org/10.7868/S0044466913070132

Full text: PDF file (476 kB)
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English version:
Computational Mathematics and Mathematical Physics, 2013, 53:7, 962–972

Bibliographic databases:

UDC: 519.63,517.958:621.372.8
Received: 24.12.2012

Citation: V. P. Ivanov, “Active noise cancellation in a waveguide in the presence of flow”, Zh. Vychisl. Mat. Mat. Fiz., 53:7 (2013), 1139–1149; Comput. Math. Math. Phys., 53:7 (2013), 962–972

Citation in format AMSBIB
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  • Журнал вычислительной математики и математической физики Computational Mathematics and Mathematical Physics
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