EVALUATION OF THE TONE NOISE OF A FAN ON THE BASIS OF THE 3D COMPUTATION OF ROTOR&minus;STATOR INTERACTION

Viktor Ivanovich Mileshin; Anton Anatolyevich Rossikhin; Yuryi Danilovich  Khaletskiy

doi:10.1615/TsAGISciJ.2016017665

TsAGI Science Journal

Главный редактор: Sergei Leonidovich Chernyshev (open in a new tab)

Ассоциированный редактор: Ivan Vladimirovich Egorov (open in a new tab)

International Executive Editorial Advisors: M. de Gliniasty (open in a new tab) C.W. Kauffman (open in a new tab) Jurgen Quest (open in a new tab) Gu Songfen (open in a new tab) Shinji Suzuki (open in a new tab)

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ISSN Печать: 1948-2590

ISSN Онлайн: 1948-2604

EVALUATION OF THE TONE NOISE OF A FAN ON THE BASIS OF THE 3D COMPUTATION OF ROTOR−STATOR INTERACTION

Том 47, Выпуск 2, 2016, pp. 185-205

DOI: 10.1615/TsAGISciJ.2016017665

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Viktor Ivanovich Mileshin
Central Institute of Aviations Motors (CIAM), Aviamotornaya Street, 2, Moscow, 111116, Russian Federation

Anton Anatolyevich Rossikhin
Central Institute of Aviation Motors (CIAM), 2 Aviamotornaya St., Moscow, 111116, Russia

Yuryi Danilovich Khaletskiy
Central Institute of Aviation Motors (CIAM), 2 Aviamotornaya Str., Moscow, 111116, Russian Federation

Краткое описание

The results of the evaluation of the intensity of the tone component of the fan noise in a bypass turbofan engine at approach working conditions in flight and in the absence of flow are presented. The evaluation was conducted on the basis of data obtained in the three-dimensional (3D) unsteady computation of the tone noise of a high bypass ratio fan of the turbofan designed for a medium-range, single-aisle civil aircraft with two engines. The computation was performed using the 3D acoustics solver (3DAS) software complex developed at the Central Institute of Aviation Motors (CIAM) and created for simulation of turbomachinery tone noise. An evaluation of the relative contribution of the fan tone noise to the engine noise is also presented.

Ключевые слова: fan, turbofan engine, tone noise, fan noise, fan tone noise, method of computation in the frequency domain, rotor–stator interaction, numerical dispersion relation preserving (DRP) scheme

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