南昌航空大学学报(自然科学版)
南昌航空大學學報(自然科學版)
남창항공대학학보(자연과학판)
JOURNAL OF NANCHANG HANGKONG UNIVERSITY(NATURAL SCIENCE EDITION)
2015年
1期
7-12
,共6页
王亚南%李明俊%胡健东%熊哲
王亞南%李明俊%鬍健東%熊哲
왕아남%리명준%호건동%웅철
声学%传递矩阵%多孔材料%层合板
聲學%傳遞矩陣%多孔材料%層閤闆
성학%전체구진%다공재료%층합판
acoustics%transfer matrix%porous material%laminate
以多孔夹芯多层复合板新材料为研究对象,在推导验证多孔材料传递矩阵和均质材料传递矩阵的基础上,建立了可随叠层顺序任意组合的总传递矩阵,借助matlab编制了相关程序软件,对多孔夹芯多层复合板的隔声量和吸声系数进行了理论分析计算,探讨了不同材料参数,不同叠层组合对复合材料的隔声量、吸声系数的影响,该总传递矩阵及其总隔声量与吸声系数理论计算公式的建立为研发新型轻量化多层复合吸隔声板提供了有效手段。
以多孔夾芯多層複閤闆新材料為研究對象,在推導驗證多孔材料傳遞矩陣和均質材料傳遞矩陣的基礎上,建立瞭可隨疊層順序任意組閤的總傳遞矩陣,藉助matlab編製瞭相關程序軟件,對多孔夾芯多層複閤闆的隔聲量和吸聲繫數進行瞭理論分析計算,探討瞭不同材料參數,不同疊層組閤對複閤材料的隔聲量、吸聲繫數的影響,該總傳遞矩陣及其總隔聲量與吸聲繫數理論計算公式的建立為研髮新型輕量化多層複閤吸隔聲闆提供瞭有效手段。
이다공협심다층복합판신재료위연구대상,재추도험증다공재료전체구진화균질재료전체구진적기출상,건립료가수첩층순서임의조합적총전체구진,차조matlab편제료상관정서연건,대다공협심다층복합판적격성량화흡성계수진행료이론분석계산,탐토료불동재료삼수,불동첩층조합대복합재료적격성량、흡성계수적영향,해총전체구진급기총격성량여흡성계수이론계산공식적건립위연발신형경양화다층복합흡격성판제공료유효수단。
For the study of multilayer composite with porous sandwich material, the total transfer matrix of any multilayer combination was founded based on the porous material transfer matrix and homogeneous material transfer matrix. Establishing the relevant software with matlab, sound insulation and absorption coefficient of the multilayer composite were analyzed. Also, the influence of different material parameters and combinations to sound insulation and absorption coefficient were discussed. This establishment of sound insulation and absorption coefficient formula provided significant mean to the development of new lightweight multi-layer composite with good acoustic insulation and absorption.