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김승윤 ( Kim Seungyoon ) 대한영어영문학회 2005 영어영문학연구 Vol.31 No.1
A prominent theme in the poetry and prose of W. H. Auden is that of “the City,” or “the human community in all its aspects.” In this paper, I trace that theme in Auden's later longer poems with particular reference to Augustine thought. Auden's preoccupation with cities, whether actual or ideal, reflects his lifelong concern to “find or form a genuine community, in which each has his valued place and can feel at home.” Auden's poetry up until 1940 deals largely with Augustine's concept of the earthly city, or “the city of the unrighteous,” though he shows somewhat of a movement, in fits and starts, toward envisioning a “Just City” on earth. His return to Christianity in 1940 carries with it the realization that such an earthly city is impossible; yet his poetry after 1940 often points toward an ideal or heavenly city by which our actual ones can be judged. (Kangnam University)
김승윤(Seungyun Kim),이태형(Taehyung Lee),엄영익(Young Ik Eom) 한국정보과학회 2021 정보과학회 컴퓨팅의 실제 논문지 Vol.27 No.2
최근 CPU 및 메모리 측면의 확장성을 위해 데이터 센터 및 클라우드 플랫폼에서는 NUMA 서버를 많이 활용하고 있다. 이에 따라 시스템의 성능 최적화를 위해 비가상화 시스템을 기반으로 NUMA 구조의 특징을 활용한 연구가 많이 수행되었다. 가상화 시스템 역시 NUMA 시스템에서의 성능 최적화를 위해 vNUMA 기능을 각 가상머신에 제공하고 있으며, 이를 통해 게스트 운영체제가 NUMA 최적화 기법을 활용할 수 있도록 하고 있다. 하지만, 대부분의 NUMA 최적화 기법들은 네이티브 환경에서 수행되었기 때문에 여러 가상머신이 컴퓨팅 자원을 공유하는 환경에서는 이런 기법들의 성능 이점이 크게 줄어들 수 있다. 본 논문에서는 vNUMA 기반 가상머신 환경에서 NUMA 락의 성능을 커널 영역 및 유저 영역에서 분석하였다. 실험 결과, 단일 가상머신 환경에서는 NUMA 락의 성능이 호스트와 유사하게 나타나지만, 다중 가상머신 환경에서는 LWP 문제로 인해 성능 이점이 크게 감소하는 것을 확인하였다. Recently, NUMA-based servers have been used in data centers and cloud platforms for scalability of the CPU and memory resources. Accordingly, many studies have been conducted in native systems in attempts to optimize the system performance by exploiting the characteristics of the NUMA architecture. The virtualized system also provides virtual NUMA(vNUMA) to each virtual machine to allow guest operating systems to utilize the NUMA-related optimization technique. Unfortunately, since most NUMA-related optimization studies have been conducted in native systems, the performance benefits of these techniques are likely to be significantly reduced in environments where multiple virtual machines(VMs) share computing resources. In this paper, we analyze the performance of the NUMA-aware lock, which is applied to the kernel-space lock and the user-space lock, on vNUMA-based VM environments. The experimental results show that, in a single VM environment, the performance of the NUMA-aware lock is similar to that of the host, whereas in multiple virtual machine environments, the performance benefits of the NUMA-aware lock are significantly reduced due to LWP problems.
김승윤(Seung-Yoon Kim) 신영어영문학회 2005 신영어영문학 Vol.32 No.-
“Portrait of the Poet as Landscape” presents A. M. Klein’s fullest poetic rendering of the story the archetypal modernist. The elegiac treatment of the artist, hopelessly alienated from his society, invokes comparisons with The Wasteland, “Hugh Selwyn Mauberly,” and Rilke’s Duino Elegies and Sonnets to Orpheus. My aim here is to understand the influences on Klein’s modernist style of the writings of Hopkins, Pound, Eliot, and Auden. The style of Montreal poet Klein is characterized by an elaborate rhetoric and ornamentation, and a pronounced idiosyncrasy. Klein’s taste for rhetoric finds various outlets in his modernism. He was influenced most directly not so much by modernists poets of the Tens and Twenties, but by those of the Thirties and Forties whose use of rhetoric tended to be emphatic and almost self-conscious. Those formative influences was used to enrich and heighten Klein’s intrinsic resources in his poetry.
양승윤,김정훈,김경섭,김재산,박귀호,김기원,이상호,Yang Seung-Yun,Kim Jeong-Hoon,Kim Kyung-Sub,Kim Jae-San,Park Kwi-Ho,Kim Gee-Won,Lee Sang-Ho 한국군사과학기술학회 2005 한국군사과학기술학회지 Vol.8 No.1
In this study, Experimental analysis on submarine cable tension was performed for the safe and efficient laying and recovery of a submarine cable. The tension analysis was done through the analyzed data using the cable dynamic theory and the measured data using the experiment. The analyzed cable tension was able to decide requirements for the purpose of laying and recovery of the submarine cable. As the result of tension analysis for a Submarine cable, it was shown a proper feasibility to determine the laying and recovery conditions of the submarine cable.
쿡탑 더블 버너에서 내부 화염 안정화를 통한 열효율 향상에 관한 실험적 연구
김양호(Yangho Kim),김승윤(Seungyoon Kim),이종호(Jongho Lee),김영수(Youngsoo Kim),전충환(Chunghwan Jeon) 한국연소학회 2019 한국연소학회지 Vol.24 No.2
An experimental study was performed to investigate the stabilization mechanism of inner flame in a double-flame cooktop burner. Several hypotheses were made on CO emission and unstable mechanisms, such as concentration and flow effects. Flow characteristics and flame structure were observed by PIV (Particle Image Velocimetry) and OH PLIF (Planar Laser Induced Fluorescence) measurements respectively. We also could found that internal recirculation of exhausted gases and flow dynamics such as turbulent intensity, strain rate and vorticity were very important in stabilizing the inner flame. To design the high-efficiency and environment-friendly double cooktop burner, CO emission and thermal efficiency must be optimized under circumstances such as regulation limits, customer’s needs and so on.
효과적인 다문화 소통: 한국 기독교교육에 있어서 다문화 교육의 발전
김승윤 ( Seung Yoon Kim ) 개혁신학회 2013 개혁논총 Vol.28 No.-
한국도 더 이상 단일민족으로 존립하기가 어렵게 되었다. 지구촌이 국제화 물결로 최근에는 인종과 문화의 변화를 요구 받기 때문이다. 따라서 교육기관들도 이 같은 추세에 반응할 수밖에 없다. 그러므로 기독교 교육가들도 시대적 변화에 따라서 보다 실제적이며 효과적인 국제교육을 시행하지 않으면 안 된다. 본 논문은 다양한 문화권에서 오는 유학생들에게 그들의 사고와 행동 그리고 생활에 있어서 적응을 모색할 수 있도록 교사들에게 새로운 교육을 제시하고자 한다. 특히 한국으로 유학 오는 타문화권 학생들에게 한국의 역사적 전통과 최근의 사회적 변화에 대하여 적응케 함으로써 언어와 문화를 초월한 소통을 이루고저 한다. 그러므로 소수의 유학생들을 상대하는 국제교육의 실제적 분석과 갱신을 통하여 교육의 성과를 높이려고 한다. 끝으로 이 논문은 다문화사회로 접근하고 있는 한국에 있어서 국제화 교육이 무난히 정착하며 신속히 발전되도록 하는 다문화교육의 이론과 기법들을 제시하였다. South Korea, widely known as a homogenous country, has faced substantial changes in the racial and cultural composition of its society in recent years with the rise of globalization. Educational institutions are gradually becoming pluralistic. Thus, Christian educators need to be better aware of this reality and to be better equipped for this change. I argue that Christian educators need to undergo a change in their thinking, interaction, and practice toward students from other cultures to be interculturally transformed. In this paper, I introduce why intercultural communication competence is needed by considering recent changes and historical tragedies particular to South Korea. Then, I review and analyze educational reforms that considered minority group students. Last, I use theories of adaptation and acculturation to cultivate awareness and skills in intercultural communication for educators in South Korea.
서로 다른 캐비테이션 모델을 이용한 실린더 주위의 캐비테이션 유동현상 전산해석
김승윤(S.Y. Kim),박원규(W.G. Park),정철민(C.M. Jung) 한국전산유체공학회 2011 한국전산유체공학회지 Vol.16 No.1
Engineering interests of submerged bodies and turbomachinery has led researchers to study various cavitation models for decades. The governing equations used for the present work are the two-phase Navier-Stokes equations with homogeneous mixture model. The solver employed on implicit dual time preconditioning algorithm in curvilinear coordinates. Three different cavitation models were applied to two axisymmetric cylinders and compared with experiments. It is concluded that the Merkle's new cavitation model has successfully accounted for cavitating flows and well captured the re-entrant jet phenomenon over the 0-caliber cylinder.