GB/T 5266-2006Acoustics - Measurements of the longitudinal wave velocity and attenuation coefficient for underwater acoustical materials - Pulse tube method (English PDF)
声学 水声材料纵波声速和衰减系数的测量 脉冲管法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
May 8, 2006
Implementation date
November 1, 2006
Scope
GB/T 5266-2006 is the English-translated version of 声学 水声材料纵波声速和衰减系数的测量 脉冲管法.
GB/T 5266-2006 is the Chinese standard "Acoustics - Measurements of the longitudinal wave velocity and attenuation coefficient for underwater acoustical materials - Pulse tube method".
Its scope clause reads: This standard specifies the method to measure complex reflection coefficient of sample of underwater acoustic materials under the condition of steady state plane wave with pulse sound technology and calculate longitudinal wave velocity and attenuation coefficient of the sample materials in rigid thick-walled acoustic tube.
This standard is applicable to uniform and compact polymer materials for underwater sound. Its clauses include terms and definitions.
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Document preview — GB/T 5266-2006
National Standard of the People's Republic of China
- ICS
- 17.140
- Classification
- A 59
- Replacing
- GB/T 5266-1985
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative References
- 3 Terms and Definitions
- 4 Symbols and Abbreviations
- 5 Measurement Principle
- 6 Measuring Device and Sample
- 7 Measuring Methods
- 8 Measuring Uncertainty
- Appendix A (Informative) Sound Velocity Measurement for Water in Pulse Tube
- Appendix B (Informative) Bibliography
1 Scope
This standard specifies the method to measure complex reflection coefficient of sample of underwater acoustic materials under the condition of steady state plane wave with pulse sound technology and calculate longitudinal wave velocity and attenuation coefficient of the sample materials in rigid thick-walled acoustic tube.
This standard is applicable to uniform and compact polymer materials for underwater sound.
2 Normative References
The following standards contain provisions which, by reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding correction to), or revisions of, any of these publications do not apply. However, parties to coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents applies. For undated ones, the latest edition of the document referred to applies.
GB/T 3223—1994 Acoustics - Free-field Calibration Method of Underwater Sound Transducers
GB/T 3947—1996 Acoustical Terminology
GB/T 4472—1984 General Rule for Determination of Density and Relative Density for Chemical Products
3 Terms and Definitions
For the purposes of this standard, the terms and definitions specified in GB/T 3947-1996 and the following ones apply.
3.1 Pulse tube
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Similar standards
Editions of GB/T 5266
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 5266-2006 | Acoustics - Measurements of the longitudinal wave velocity and attenuation coefficient for underwater acoustical materials - Pulse tube method | current edition | Current |
| GB/T 5266-1985 | Acoustics - Measurements of the longitudinal wave velocity and attenuation coefficient for underwater acoustical materials - Pulse tube method | previous edition | Superseded |
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