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이웅,정민섭,박상혁,Lee, Woong,Jung, Min-Sub,Park, Sang-Hyuk 국제문화기술진흥원 2020 The Journal of the Convergence on Culture Technolo Vol.6 No.4
현재 우리나라 군대는 병역자원 감소 및 군 복무기간 단축으로 인한 현실적 위협으로 직면해 있는 환경에 처해있다. 안보를 최우선시하는 군사적 관점에 따라, 국방부를 비롯한 정부 기관 및 국제기관들이 인식을 같이 하고 있는 일반적으로 객관적인 내용 위주로 반영하여 미래 육군에 미치는 영향 및 시사점을 도출하고자 하였다. 즉, 본 연구는 국제질서를 바라보는 주류 관점(현실주의, 자유주의)의 인식 방향을 살펴보고, 국제질서 이론 및 전망에 대하여 국가안보에 기여하는 군 조직의 본질적 특성을 반영하는 군사적 합목적주의에 입각하여 한반도 미래 안보전략을 수립하는 방향과 큰 틀을 제시한다. Currently, the nation's military is facing a real threat due to a reduction in military service resources and shorter service periods. Based on the military view that puts security first, the military tried to draw its impact and implications on the future army by reflecting the general objective content that the Ministry of National Defense and other government agencies and international agencies share. In other words, this study looks at the direction of the perception of mainstream perspectives (realism, liberalism) on international order, and presents the direction and framework for establishing future security strategies for the Korean Peninsula on the basis of military relevance that reflects the essential characteristics of military organizations contributing to national security on the theory and prospects of international order.
이웅,Lee, Woong 한국재료학회 2018 한국재료학회지 Vol.28 No.11
Finite element analyses are carried out to understand the piezoelectric behaviors of ZnO nanowires. Three different types of ZnO nanowires, with aspect ratios of 1:2. 1:31, and 1:57, are analyzed for uniaxial compression, pure bending, and buckling. Under the uniaxial compression with a strain of $1.0{\times}10^{-4}$ as the reference state, it is predicted that all three types of nanowires develop the same magnitude of the piezoelectric fields, which suggests that longer nanowires exhibit higher piezoelectric potential. However, this prediction is not in agreement with the experimental results previously reported in the literature. Such discrepancy is understood when the piezoelectric behaviors under bending and buckling are considered. When only the strain field due to bending is present in bending or buckling, the antisymmetric nature of the through-thickness stain distribution indicates that two piezoelectric fields, the same in magnitude and opposite in sign, develop along the thickness direction, which cancels each other out, resulting in a zero net piezoelectric field. Once additional strain contribution due to axial deformation is superposed on the bending, such field cancelling is compensated for due to the axial component of the piezoelectric field. Such numerical predictions seem to explain the reported experimental results while providing a guideline for the design of nanowire-based piezoelectric devices.
실천공학 교수법 : Kolb학습유형검사의 한글버전 개발
임세영 ( Se Yung Lim ),이병철 ( Byoung Chul Lee ),최현숙 ( Hyeon Sook Choi ),안미선 ( Mi Sun Ahn ),이웅일 ( Woong Il Lee ) 한국실천공학교육학회 2012 실천공학교육논문지 Vol.4 No.1
Kolb의 학습유형검사(The Kolb Learning Style Inventory Version 3.1: LSI)를 번역하여 한글버전학습유형검사 도구를 개발하였고, 검사지의 적합성요소인 내적일관성 신뢰도와 내적타당도를 596명의 K 대학 학생들의 학습유형 진단을 통해 검증하였다. K대학 학생들의 학습유형 요인의 값은 구체적 경험(CE)의 평균값이 27.75, 반성적 성찰(RO)의 평균값이 27.93, 추상적 개념화(AC)의 평균값은 31.95, 능동적 경험(AE)의 평균값이 32.37로 나타났다. 또한, K대학 학생들의 학습유형은 적용형(Accommodating)이 전체의 32.0%(191명), 확산형(Diverging)이 27.2%(162명), 동화형(Assimilating)은 전체의 26.5%(158명), 수렴형(Converging)은 14.3%(85명) 인 것으로 나타났다. The purposes of this study were to develop Korean version of the Kolb learning Style Inventory (version 3.1) by systematic translation process and to test learning style of 596 K University-students. First, Korean version of LSI was successfully developed and tested for ensuring internal consistency reliability and internal validity. Second, K University students` average scores of learning modes were as follows: 27.75 of Concrete Experience(CE), 27.93 of Reflective Observation(RO), Abstract 31,95 of Conceptualization (AC), and 32.37 of Active Experimentation(AE). In addition, the study reported KUT students learning style distribution: 32% of accommodating style, 27.2% of Diverging one, 26.5% of Assimilating one , and 14.3% of Converging one.
메조페이스/등방성 핏치의 방사성 판단을 위한 점탄성거동
김용중,김보혜,이동훈,김창효,양갑승,이웅의,Kim, Yong-Joong,Kim, Bo-Hye,Lee, Dong-Hun,Kim, Chang-Hyo,Yang, Kap-Seung,Lee, Woong-Eui 한국섬유공학회 2010 한국섬유공학회지 Vol.47 No.4
The rheological behavior of mesophase and isotropic pitch blends were examined using capillary and coneplate viscometers to determine the spinnability. The mesophase synthesized from naphthalene and coal tar pitch modified with benzoquinone were used. The individual component of the mesophase pitch or the isotropic phase pitch showed excellent spinnability but the spinnability of the blends decreased as the composition approached 50 wt.%. The variations of the spinnability were explained based on the mechanisms of capillary break-up and cohesive brittle fracture. The fracture of the spin line was caused mainly by capillary break-up originating from the high interfacial tension between the two separated phases; the behavior was more severe in the lower shear rate region, i.e. the elasticity dominant area. The spinnability of the two phase blends could be improved by maintaining the melts under the viscosity dominant condition by adjusting the shear rate and temperature.