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吸音率に対する残響室のちがいの影響 : 残響室法による吸音率測定に関する実験的研究IV
The Effect of Shape and Volume of the Reverberation Chamber on the Absorption Coefficient of Acoustic Materials
1957
Acoustical Science and Technology
The Effect of Shape and Volume of the Reverberation Chamber on the Absorption Coefficient of Acoustic Materials
The effects of the shape and volume of the reverberation chamber on the measured absorption coe 伍 cient are di3cussed here. Reverberation chambers used for this research were the two chambers in our institute , which were constructed in the same manner except for the shape and the volume . Same test spec ゆ ens and measuring apparatus were used in this re ∋earch , making it possible to investigate purely the eff t of the shape and volume of the chamber No . ' 1. By consider 三 ng the behavior of
doi:10.20697/jasj.13.4_320
fatcat:gljwymjbbbd37pw7tq4pirn7eq