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J. KIMS Technol > Volume 14(1); 2011 > Article
Journal of the Korea Institute of Military Science and Technology 2011;14(1):22-29.
DOI: https://doi.org/10.9766/KIMST.2011.14.1.022   
Study on Properties of Interior Ballistics According to Ignition-Gas Injections
Jin-Sung Jang, Hyung-Gun Sung, Sang-Bok Lee, Tae-Seong Roh, Dong-Whan Choi
1Inha University
2
점화제 주입에 따른 강내탄도 성능해석
장진성, 성형건, 이상복, 노태성, 최동환
1인하대학교 항공우주공학과
2인하대학교 기계공학부
Abstract
Using the numerical code for the interior ballistics, the performance of the interior ballistics with the characteristic of the ignition-gas injections has been investigated. The ignition gas has been assumed to be injected into the chamber with 3 cases. As the results of analysis, when the ignition-gas has been injected into all chamber area, the pressure distributions of the chamber of the interior ballistics have been uniform and the differential pressure has been stable. The ignition-gas has been injected into the partial area of the chamber, however, the pressure distributions and the differential pressure have been unstable. The case using the longer ignition injector, therefore, seems to be more suitable to improve the stability of the interior ballistics.
Key Words: Interior Ballistics, Ignition-gas Injection, Differential Pressure, Multiphase, Porosity


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