GBT5266-2006 声学 水声材料纵波声速和衰减系数的测量 脉冲管法 - 下载地址.pdf

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1、ICS17.140A59中华人民共和国国家标准GB/T5266一2006代替GB/T5266一1985声学水声材料纵波声速和衰减系数的测量脉冲管法Acoustics一MeasurementsofthelongitudinalwavevelocityandattenuationcoeficientforunderwateracousticalmateriaIs一Pulsetubemethod2006一05一08发布2006一11一01实施中华人民共和国国家质量监督检验检疫总局发布中国国家标准化管理委

2、员会GB/T5266一2006目次前言··········，，···························，，·」」」·····，·····」··········，···」·，·，······4··················，·⋯⋯m1范围···，，··，·、···，，，，，·······，，，··‘·1，，，，，··【···，，·，··，··1···，，，，，·‘··········，··、、····，⋯12规范性引用文件···················，·········

3、·································，，···········，···············⋯⋯13术语和定义···············，··············，·····················，····，··········，，，·············，···········，，14符号和缩略语········，····，，·‘·······，···，·········，···，·‘·····，，，··，，··········，，，，，··

4、·······，···‘·········一15测量原理····，····································，，·········。········，······································⋯⋯25.1复反射系数的测量···，··············」···········，··············，············，·····-··················一25，2试样输人阻抗及其与复反射系数的关系，··，

5、，·，·11111···，，，，·‘1111·，，，，，，·1‘··，·?，，，、····，，··，，，二25.3纵波声速和衰减系数的计算····················，···········，·················，··········，···，·········一“35.4测量频率范围···································，···············，·······················，·············一3G测量装

6、置及试样‘·，，，·，，····1·‘·，，，，，，··1···‘·，，，，·，11·‘··，，······················，，·1‘··，，一46.1测量装置组成·····，·····，，，，，·········，········，，，，·1······，·，。········，，，···········一46.2标准反射体要求·······4·····························，·······································

7、·················一56.3试样要求，···········，···········，，，，·····················，··，，，，···········，··，·············，············，·，⋯67测量方法·，，·，·11···，··，·‘11····，，，·1··，·，··1··，，·······1···，，··，·‘·····，·，·，·，，·····，···，一右7.1测量前的准备··························

8、········，···················································，·········⋯⋯67.2复反射系数的测量··················，·············，，·············，·········································。··⋯67.3纵波声速和衰减系数的计算················，··，，···‘····，·，···，············，·