USE OF CORK SHEETS FOR ROOM ACOUSTIC CORRECTION

作     者：Gino Iannace Giuseppe Ciaburro Luigi Guerriero Amelia Trematerra 

作者机构：Department of Architecture and Industrial DesignUniversità della Campania“Luigi Vanvitelli”Borgo San Lorenzo 81031Aversa(Ce)—Italy 

出 版 物：《Journal of Green Building》 (绿色建筑学报（英文）)

年 卷 期：2020年第15卷第2期

页      面：45-55页

核心收录：

学科分类：07[理学] 082403[工学-水声工程] 08[工学] 070206[理学-声学] 0824[工学-船舶与海洋工程] 0702[理学-物理学] 

主　　题：cork absorption coefficient acoustic reverberation time measurements acoustic simulation 

摘      要：Cork is a sustainable material and at the end of its useful life it can be disposed of into the environment without causing *** paper analyzes an acoustic correction system made of cork sheets mounted at an opportune distance from the walls inside a *** cork sheets have a thickness equal to 1.5 *** sound absorption coefficients of the cork sheets were initially evaluated by mounting samples inside an impedance tube,then creating a back cavity at a suitable distance from a rigid *** distances considered were:3,5,10 and 15 cm.A room used as an office with a volume of about 90 m^(3)and plastered walls was considered as a *** this type of environment,suitable acoustic comfort conditions are *** acoustic characteristics were analyzed through a virtual model with an architectural acoustics software in an empty room and then with the introduction of sound-absorbing cork *** of the acoustic characteristics of the empty room were taken and subsequently with the walls lined with cork panels mounted at a distance of 3.0 cm from the rigid rear wall.A configuration was analyzed,in line with what was carried out in the numerical model,covering a surface of 5m^(2)of the *** results of the numerical simulations as well as the experimental measurements are discussed.