http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
외부 마찰열에 의한 내부 관성측정장치의 과도 열전달 해석
탁승민,박지원,강민규,박동진,이종수,이석순,Tak, Seungmin,Park, Jiwon,Kang, Minkyu,Park, Dongjin,Lee, Jongsu,Lee, Seoksoon 항공우주시스템공학회 2010 항공우주시스템공학회지 Vol.4 No.1
Guided weapon is very excellent strategy system than conventional weapons. Recently, several devices and a technology developed much developing more, inertia measuring device is one example. Inertia measuring device is device that is used to improe more accuracy of guided weapon, this device is operated by sensors of inside. Sensors of inside are parts that is very sensitive about impact or shock, heat that interact when shoot, it is main purpose that verify durability of sensor by heat delivered from outside in this study.
Improved workability using preheating in the electromagnetic forming process
탁승민,강한빈,백인석,이석순 대한기계학회 2019 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.33 No.6
Electromagnetic forming (EMF) is a high-speed method used to shape metals using a high-energy magnetic field generated by a forming coil. In this study, EMF experiments were conducted on heat-treated aluminum pipes in an attempt to improve the workability of the metal, in which the heating temperature was varied. Heating to 200 °C and 250 °C resulted in deformation displacements of 1 and 5 mm, respectively. Coupled EM–structural numerical analyses revealed that the EM force was lower by 16 % after heating at 250 °C due to the reduction in the conductivity of aluminum at higher temperatures, resulting in a higher resistance. However, the flow stress decreased by about 50 % at 250 °C. Thus, the increase in displacement despite the reduction in the EM force at higher temperatures indicates that the workability of metals during EMF can be improved with preheating.
선박의장품(페어리더) 구조해석 및 최적설계에 관한 연구
탁승민(Seung-Min Tak),이계광(Gye-Gwang Lee),이석순(Seok-Soon Lee) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.11
In this study, in case of load is imposed to universal fairleader that do mooring line of vessel or marine structure or guide role of mooring rope, after examine structural safety, we apply topology optimize method and find concept shape that have optimum topology for structure light weight as has enough hardness, we have compared proposed model and initial model by using CATIA, HyperMesh and ABAQUS as modeling and analysis tool