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RISS 인기검색어
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- 저자 : Kang Kuk Jung(강국정) (검색결과 3 건)
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안상태,강국정,홍석균,Ahn, Sang-Tae,Kang, Kuk-Jung,Hong, Suk-Kyun 한국군사과학기술학회 2010 한국군사과학기술학회지 Vol.13 No.3
The necessity for harmonically growing of economy and environment has been on the rise late in the twentieth century. Green transformation is defined as efficiency enhancement of conventional guns and ammunitions. We also define green innovation as evolution of fire power systems breaking with conventional methodology. This kind of green innovation could even change a paradigm of warfare in the future. In this paper, we classify the green technology in the field of fire power into five technological groups, and the research and development trend of green technology in the field of fire power is analyzed.
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〈응용논문〉 : 내부압력 작용하에서 자긴가공 실린더 구조의 응력거동
김학인(Hakin Gimm),강국정(Kuk Jung Kang),안상태(Sang Tae Ahn),홍석균(Suk Kyun Hong) 대한기계학회 2010 대한기계학회 춘추학술대회 Vol.2010 No.11
압력용기와 실린더 형태의 구조설계 문제에 관한 이론과 실험적 연구는 매우 고전적인 문제임에도 여전히 연구 대상이다. 특히 군사용 포신 설계에서 자긴 가공으로 불리는 포열 두께 상에 과도변형 부여에 의한 압축 잔류응력 상태를 형성하여 포신의 허용 압력 증대와 이로 인한 피로수명을 높이는 기술은 새로운 포신 설계기술과 소재 발전에도 여전히 유효하다. 본 연구에서는 중공 장축 실린더 구조에 대해 자긴 이론에 관한 고찰과 이에 따른 수치해석을 통해 내부 압력이 작용된 실린더의 응력거동에 대해 살펴보았다. Although the efforts on theories and experimental works regarding the pressure vessels and gun tubes in cylinder are old aged issues, the subjects still remain the serviceable works to be continued in these days. Particularly the auttofrettage and overstraining for the gun tube in military use are still valid measures, even the advance in the technologies of gun and metallurgy, in order to enhance the operational performance with the improvement in fatigue life. Current work investigates the stress behaviors on the autofrettaged hollow cylinder which is subjected to an internal pressure loading, using the numerical methods as well as the review of theories
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A Study on Analysis and Experiment of Composite Overwrapped Barrel
Ahn Sang Tae(안상태),Gimm Hak In(김학인),Kang Kuk Jung(강국정) 제어로봇시스템학회 2012 제어로봇시스템학회 합동학술대회 논문집 Vol.2012 No.7
SAFE is the abbreviation of operational procedure of weapon systems; see, aim, fire and eliminate. Reduction of weight of weapon systems helps obtain better performance on the steps of "aim" and "fire" out of the four steps. High strength steels have been normally used for conventional large caliber weapon systems. For the purpose of lightweight large caliber weapons, various materials could be concerned such as aluminum alloys, titanium alloys and advanced composite materials. By using composite materials for gun tubes, some benefits could be achieved. First, it basically helps reduce the overall weight of the weapon system as well as that of the gun tube itself. Second, smaller drive systems may be used. Third, better aiming accuracy could be achieved. As the first stage of the development of full scale gun tube with composite materials, a subscale thick-walled cylinder was manufactured and tested.
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