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Four-Poles Parameter of an Elliptical Cavity Having the Outlet on the Body

Author

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  • Yuya Nishimura

    (National Institute of Technology, Kumamoto College Department of Control and Information Systems Engineering, Japan)

  • Sohei Nishimura

    (National Institute of Technology, (KOSEN), Kumamoto College, Japan)

Abstract

This paper deals with the computation of the four-poles parameter of a thin elliptic cylinder in which the output is fitted to the side that is perpendicular to the input side. The four-poles parameter is based on the sound pressure calculated by solving the wave equations, with the assumption that the loss can be ignored. The four-poles parameter is widely used to estimate the noise characteristic for the acoustic system which are composed of several elements of various cross-sectional areas, various shape connected in series.

Suggested Citation

  • Yuya Nishimura & Sohei Nishimura, 2020. "Four-Poles Parameter of an Elliptical Cavity Having the Outlet on the Body," European Journal of Engineering and Technology Research, European Open Science, vol. 5(7), pages 763-766, July.
    • Handle: RePEc:epw:ejeng0:v:5:y:2020:i:7:id:61998
    DOI: 10.24018/ejeng.2020.5.7.1998
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