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Journal of the Korea Institute of Military Science and Technology 2007;10(3):217-224.
An Evaluation of Silencer Characteristics by Live Firing Test
Kuk-Jeong Kang, Sung-Ho Ko, Young-Kyun Kwak, Duck-Joo Lee, In-Cheol Lee
1
2ChungNam National University
3KAIST
실사격에 의한 소음기 특성 평가
강국정, 고성호, 곽영균, 이덕주, 이인철
1국방과학연구소
2충남대학교
3한국과학기술원
Abstract
The present work addresses an experimental study on sound attenuation characteristics of silencer by live firing test. When a gun fires, there exists excessive noise which propagates as a form of blast wave. As muzzle energy of the weapon systems increases, the level of impulsive noise also increases. It is well known that the impulsive noise from a gun gives a serious damage to human bodies and structures. The adverse effects of impulsive sound also cause both social and military problems. So it is very important to study the characteristics of the impulsive sound attenuation. The live firing test is performed to evaluate the effect of four different silencers. The test result is compared with the case of bare muzzle which is not installed the silencer. The frequency characteristics are also analyzed to investigate the diminution of sound pressure level. The results of this study will be helpful to the designing silencer for large caliber weapon systems.
Key Words: Silencer, Blast Wave, Impulsive Noise


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