Semiempirical model of the acoustics of a supersonic jet upon collision with a perpendicular wall

• Autorzy: Oliynik Valery , Batutina Tetyana

Identyfikatory

DOI

10.2478/tar-2024-0023

• Języki publikacji: EN

Abstrakty

EN

This study presents a semiempirical model for estimating the acoustic loads generated by a supersonic jet colliding with a rigid perpendicular wall, expanding on traditional methodologies used to assess rocket jet acoustics near the launch structure. Unlike conventional approaches, the proposed model eliminates the need for additional algorithms to describe the flow-surface interaction zone. Instead, it reconfigures acoustic sources attributed to the free jet. Contributions from the undisturbed jet segment, the interaction zone, and acoustic reflection are compared as a function of the nozzle-wall distance. The simulation highlights the dominant role of reconfigured sources in increasing sound levels when the jet interacts with a nearby surface. This methodology is particularly relevant for modeling the acoustic environment during rocket lift-off and can support the engineering design of space vehicles.

Słowa kluczowe

EN

turbulence; supersonic jet; rocket noise; obstacle; acoustic loads

• Wydawca: Wydawnictwa Naukowe Sieci Badawczej Łukasiewicz - Instytutu Lotnictwa
• Czasopismo: Transactions on Aerospace Research
• Rocznik: 2024
• Tom: Nr 4 (277)
• Strony: 66--79
• Opis fizyczny: Bibliogr. 19 poz., rys., tab., wzory

Twórcy

autor

Oliynik Valery

• Institute of Hydromechanics of the National Academy of Sciences of Ukraine, 8/4 Marii Kapnist Street, Kyiv 03057, Ukraine

• https://orcid.org/0000-0002-6366-650X

autor

Batutina Tetyana

• State Enterprise MK Yangel Pivdenne Design Bureau, 3 Kryvorizka Street, Dnipro 49008, Ukraine

• https://orcid.org/0009-0001-2772-4370

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025)