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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2014.5
- 수록면
- 399 - 406 (8page)
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초록· 키워드
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Underwater acoustic materials are installed in order to reduce reflection, transmission and radiation of an underwater structure. The acoustic performance of the materials should be evaluated in accurately-controlled environment in terms of temperature and static pressure. In this paper, two pulse tubes, which are equipped with temperature and pressure controllers, are designed and developed to evaluate echo reduction(ER) and transmission loss(TL) of underwater acoustic materials. The procedures of the evaluation are suggested and the validation is carried out by comparing theoretical values to experimental results for a simple stainless steel specimen and free surface. In result, it is validated that developed pulse tubes are able to measure ER and TL with 2 ㏈ tolerance.
목차
ABSTRACT
1. 서론
2. 음향 성능 측정 시스템 설계
3. 음향 성능 평가 방법
4. 수중 음향 성능 측정 시스템 검증
6. 결론
References
참고문헌 (6)
참고문헌 신청
1. [학술지(정기간행물)] - Humphrey, V. F. / 2008 / Acoustic Characterization of Panel Materials Under Simulated Ocean Conditions Using a Parametric Array Source / Journal of Acoustic Society of America 123 (2) : 803 ~ 814
2. [학술지(정기간행물)] - Piquette, J. C. / 2001 / Low-frequency Echo-reduction and Insertion-loss Measurements from Small Passive-material Samples Under Ocean Environmental Temperatures and Hydrostatic Pressures / Journal of Acoustic Society of America 110 (4) : 1998 ~ 2006
3. [단행본] - Munjal, M. L. / 1987 / Acoustics of Ducts and Mufflers / John Wiley & Sons, Inc.
4. [기타자료] - ASTM / 2012 / Standard Test Method for Impedance and Absorption of Acoustical Materials Using a Tube, Two Microphones and A Digital Frequency Analysis System
5. [학술지(정기간행물)] - Easwaran, V. / 1995 / A Note on the Eeffect of Wall Compliance on Lowest-order Mode Propagation in Fluid-filled/submerged Impedance Tube / Journal of Acoustic Society of America 97 (6) : 3494 ~ 3501
2. [학술지(정기간행물)] - Piquette, J. C. / 2001 / Low-frequency Echo-reduction and Insertion-loss Measurements from Small Passive-material Samples Under Ocean Environmental Temperatures and Hydrostatic Pressures / Journal of Acoustic Society of America 110 (4) : 1998 ~ 2006
3. [단행본] - Munjal, M. L. / 1987 / Acoustics of Ducts and Mufflers / John Wiley & Sons, Inc.
4. [기타자료] - ASTM / 2012 / Standard Test Method for Impedance and Absorption of Acoustical Materials Using a Tube, Two Microphones and A Digital Frequency Analysis System
5. [학술지(정기간행물)] - Easwaran, V. / 1995 / A Note on the Eeffect of Wall Compliance on Lowest-order Mode Propagation in Fluid-filled/submerged Impedance Tube / Journal of Acoustic Society of America 97 (6) : 3494 ~ 3501
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