Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=53991#.VN24eSzQrzE Author(s) Hiromitsu Hamakawa 1 , Hiroki Matsuoka 2 , Taiki Yamai 2 , Kenta Asakura 3 , Toru Otsuru 4 , Reiji Tomiku 4 , Eru Kurihara 1 , Hidechito Hayashi 5 , Eiichi Nishida 6 Affiliation(s) 1 Department of Mechanical Engineering, Oita University, Oita, Japan . 2 Graduate School, Master’s Program of Engineering, Oita University, Oita, Japan . 3 Torishima Pump Mfg. Co., Ltd, Takatsuki-shi, Osaka, Japan . 4 Department of Architecture, Oita University, Oita, Japan . 5 Department of Mechanical Engineering, Nagasaki University, Nagasaki, Japan . 6 Department of Mechanical Systems Engineering, Shonan Institute of Technology, Fujisawa-shi, Kanagawa, Japan . ABSTRACT The present paper focuses on the effect of air jets through a perforated thin plate on the characteristics of an acoustic absorption coefficient. We measured the flow rate, i...
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