纺织材料降噪性能的检测与评价  

Detection and Evaluation of Noise Reduction Performance of Materials

作　　者：温晓丹 李辉芹[1] 张楠[1] 巩继贤[1] Wen Xiaodan;Li Huiqin;Zhang Nan;Gong Jixian(School of Textile Science and Engineering,Tiangong University,Tianjin 300387,China)

机构地区：[1]天津工业大学纺织科学与工程学院,天津300387

出　　处：《针织工业》2020年第8期71-75,共5页Knitting Industries

摘　　要：吸隔声材料在降噪工程中有着重要应用。快速、精确、易于操作的检测和评价方法对声学材料的结构设计、性能测试、效果优化都有着重要意义。文中着眼于纺织材料的声学性能,总结了几种常见的吸声隔音性能测试方法,指出各种方法的原理、特点、精确性和适用范围等;对测试数据的分析处理方法进行梳理,介绍了几种简单直观的数据提取方法以及3种声学软件;给出了有关纺织材料吸声效果的预测模型,并简要概述各个模型的原理及其应用。Sound absorption and insulation materials are widely used in noise reduction engineering.The detection and evaluation methods,which are fast,accurate and easy,are of great significance to the structural design,performance testing and effect optimization of acoustic materials.The acoustic properties of textile materials are emphasized in this paper.Several common testing methods of sound absorption and insulation performance are summarized from the aspects of principle,characteristics,accuracy and applications.Some analysis methods,including a few intuitive data extraction methods and three kinds of acoustic software,are reviewed.The prediction model of acoustic absorption coefficient about textile materials is introduced,which involves the principle and application of each model.

关 键 词：吸声 隔音 性能测试方法 模型 评价 

分 类 号：TS107[轻工技术与工程—纺织工程]