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Some Peculiarities of Helicopter Main Rotor Aeroacoustic for Far-Field Observer

Bibliographic Details
Journal Title: EPJ Web of Conferences
Authors and Corporations: Kusyumov, Alexander, Mikhailov, Sergey, Kusyumov, Sergey, Romanova, Elena, Barakos, Georgios
In: EPJ Web of Conferences, 213, 2019, p. 02048
Type of Resource: E-Article
Language: Undetermined
published:
EDP Sciences
Subjects:
Description
Summary: <jats:p>Mathematical models for helicopter rotor acoustics are usually based on the Ffowcs Williams–Hawkings (FW–H) equation. The level of rotor noise is determined by geometry (thickness noise) of a flying vehicle and distributed blade loading (loading noise). Initially, the FW-H equation was obtained from Euler’s equations and does not depend on the viscosity of flow. In the present work the UH-1H helicopter is considered as a test case for numerical CFD simulation and comparison to experimental data.</jats:p>
Physical Description: 02048
ISSN: 2100-014X
DOI: 10.1051/epjconf/201921302048