중구경 화포용 소음기 개발을 위한 실험적 연구 = An Experimental Study on the Development of Silencer for the Medium Caliber Gun

다국어 초록 (Multilingual Abstract)

The silencer for the medium caliber gun was studied to reduce the propagation of gun-generated noise from the firing test range to the community. Three types of silencer were made to compare the reduction of sound pressure level and the effect of chamber volume and the exit angle to the reduction of sound pressure was considered. The structural analysis and measurement of pressure in the silencer showed that the structure is safe in terms of strength. The increase of recoil force to buffer must be considered in the development of silencer. The hypothesis test on the muzzle velocity for the existence of silencer showed that there are no difference at the significance level of 0.05.

참고문헌 (Reference)

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12 Y. H. Kim, "A Lecture of Acoustics" Chung Moon Gak 243-247, 2008

13 Jesse W. M. DuMond., "A Determination of the Wave Forms and Laws of Propagation and Dissipation of Ballistic Shock Waves" 18 (18): 97-118, 1946