The Proceedings of the Dynamics & Design Conference
Online ISSN : 2424-2993
2009
Session ID : 560
Conference information
560 The Evaluation Method of the Acoustic Attenuation in the Gas Flow Piping Systems
Masato NishiguchiItsuro HAYASHI
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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract
The acoustic attenuation in the piping taking into consideration the effect of the gas flow was investigated. In this study, the acoustic attenuation by the energy loss due to the friction of the pipe was added to the acoustic attenuation in the static fluid. As a result, acoustic attenuation in the pipe is increased with increasing the gas flow, and the effect of the gas flow to the acoustic attenuation can be well evaluated by this model.
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© 2009 The Japan Society of Mechanical Engineers
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