伝達マトリックス法に基づく実験的音響管路解析の研究 : 第1報,管路要素の伝達マトリックスの計測手法

概要

論文の詳細を見る
Acoustic characteristics of ducts or silencers are usually analyzed by the transfer matrix method in the frequency region where the plane wave theory is efficient. In this method, the precise estimation of the transfer matrix is important. The experimental acoustic duct analyzing method is also required, which can precisely predict the acoustic characteristics of a total duct system, due to those data measure on individual duct element. For the purpose of measuring the propagation constant, the acoustic impedance and the transfer matrix of any duct element, a new four-microphones method has been developed in this report. Based on the experimental results, this method has been proved to be sufficiently reasonable especially for analyzing acoustic characteristics of complicated duct systems.
社団法人日本機械学会の論文
1988-08-25