Application of Multipole Decomposition for Sonic Boom Propagation Problems

A. A. Kornyakov; Корняков А. А.; V. G. Soudakov; Судаков В. Г.; A. S. Shcheglov; Щеглов А. С.

doi:10.31857/S0032823523050089

Application of Multipole Decomposition for Sonic Boom Propagation Problems

Authors: Kornyakov A.A.¹, Soudakov V.G.¹, Shcheglov A.S.¹
Affiliations:
1. Central Aerohydrodynamic Institute named after prof. N.E. Zhukovsky
Issue: Vol 87, No 5 (2023)
Pages: 869-882
Section: Articles
URL: https://journals.rcsi.science/0032-8235/article/view/232519
DOI: https://doi.org/10.31857/S0032823523050089
EDN: https://elibrary.ru/VCJLNO
ID: 232519

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Abstract
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Abstract

In the present work a modification of the multipole decomposition method is developed, which makes it possible to relate the overpressure distribution in the near-field of a supersonic transport (SST) with a far-field distribution, which is needed for the solution of sonic boom propagation problem from SST. A generalization of the method for solving the integral equations arising from multipole decomposition is performed. An algorithm for multipole correction of near-field overpressure signatures obtained in numerical simulations has been developed and tested.

Keywords

sonic boom, multipole decomposition, supersonic transport, near field, far field

References

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