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김사량,이종석,Kim, Sa-Ryang,Lee, Jong-Seok 대한기계학회 2002 大韓機械學會論文集B Vol.26 No.3
In the present study, a new wood boiler was developed through the performance test. The efficiency of the boiler was obtained up to about 63.7%, which is 67% higher than that of conventional wood boiler, about 38.2%. The structure of the new boiler is more complicated than the conventional boiler. The passage of combustion gas is sufficiently long to exchange heat well with heating water. Therefore, the obtained efficiency is so high, and the temperature of exhaust gas was lower than 200$^{\circ}C$, which is as low as that of light oil boiler. The composition of exhaust gas was measured, and the CO gas concentration was obtained more than 3000 ppm. So, it seems that more study is needed to lower the concentration of CO gas.
김사량(Kim, Sa Ryang) 동아시아일본학회 2015 일본문화연구 Vol.0 No.55
본 연구는 일본 프롤레타리아 연극운동이 전성기(1920년대 중반에서 30년대 초반)를 맞이하는 데 공헌한 무라야마 도모요시(1901∼1977)와 사노 세키(1905∼1966)의 예술 활동들을 살펴보고, 특히 그들의 협동 작업이 이루어진 공연의 성과에 대해 고찰하려는 것이다. 이 시기의 프롤레타리아 연극운동은 예술이론이 실천을 선도했는데, 그에 따라 극단들은 주로 사회민주주의를 지향하는 측과 마르크스주의를 부르짖는 측 두 진영으로 나누어지고 연극인들 또한 이합집산의 양태를 보였다. 흩어져 있던 연극인들과 문화 단체들은 구라하라 고레히토(?原惟人, 1902∼1991)의 예술운동 통합 이론에 따라 활동을 같이 하게 되는데, 조직적으로는 나프(NAPF)가 생기고 거기에 프롯트(PROT)가 가맹하자 프롤레타리아 연극운동 전체의 기운이 한꺼번에 분출되는 기반이 마련되었으며, 무라야마와 사노의 협동 작업 또한 이때 본격적으로 이루어지게 된다. 이 연구는 같은 시기 한국에서도 비슷하게 일어난 좌익연극계의 움직임을 보다 자세하게 다루는 데 기초적인 자료의 일환이 될 것이다. This study looks at the main stream of proletarian theatrical movement, from the mid-1920s until the early 1930s, led by Murayama Tomoyoshi (1901∼1977) and Sano Seki (1905-1966), both of whom contributed to its golden age. In particular, their collaborative performance on the stage is carefully examined. Though the theatrical movement was led by an art theorist named Kurahara Korehito (1902-1991), it developed around the actual implementation, that is staging. Theatrical artists gathered and broke up, resulting in a number of segmented theatrical companies. But there were two main camps: Marxists and social democrats. Then the segmented theatrical figures and groups joined together again according to the theory of Kurahara Korehito, and establishment of the Japanese Proletarian Arts Federation (NAPF) with the participation of the Japan Proletarian Theatre League (PROT) allowed basis for the full explosion of the energy in the theatrical movement once and for all. An earnest collaboration between Murayama and Sano coincided at this time.
김사량(S.L. Kim),이승철(S.C. Lee),이경헌(K.H. Lee),허남건(N. Hur) 한국전산유체공학회 1995 한국전산유체공학회 학술대회논문집 Vol.1995 No.-
Recently, for the thermal system design in an engine room, the importance of the numerical analysis on the heat and fluid flow has been recognized. In the present study, the flow inside an engine room with complex geometry was analysed by use of TURBO-3D program being developed in KIST. Radiator and Cooling fan were simulated by porous media and momentum sources, and the result shows a good agreement with our expectation.
김사량(S.R. Kim) 한국전산유체공학회 2013 한국전산유체공학회 학술대회논문집 Vol.2013 No.5
The Pre-processor program for CFD is being developed using wxWidgets and OpenGL libraries. This program can be run on both Windows and Linux operating systems. Undergraduate students and beginners can learn and use this very easily by menu and templates. Until now, structured mesh can be created in Cartesian or Cylindrical coordinates. This program will be used easily to make various type of meshes using templates.
김사량(Sa Ryang Kim),여재현(Jae-Hyun Yeo),원찬식(Chan-Shik Won),허남건(Nahmkeon Hur) 한국전산유체공학회 2007 한국전산유체공학회 학술대회논문집 Vol.2007 No.-
A GUl based pre/post processor program, which is based on the MFC and OpenGL library in the Windows O/S, has been developed for NUFLEX. Using this program, users are able to generate and modify structured or unstructured grid geometries, set all the parameters for the solver, and observe the results of the simulation in graphic view by vector or scalar plots. The mesh geometry data can be imported from or exported to other programs by supporting functions for reading from and writing to CGNS data format files.
비정렬 격자계에서 셀 중심 및 버텍스 중심 계산방법에 따른 계산의 정확도와 효율에 관한 연구
김사량(S.R. Kim),Z.J. Wang 한국전산유체공학회 2003 한국전산유체공학회 학술대회논문집 Vol.2003 No.-
The numerical simulations with unstructured mesh by cell-centered and vertex-centered approaches were performed for the quadrilateral and triangular meshes. For the 2-D incompressible supersonic vortex flow, the simulation results and the analytic solution were compared and the accuracy was assessed. The calculation efficiency was measured by the parameter defined by the consumed CPU time multiplied by absolute error. As a results, equilateral triangular mesh yielded the best accuracy and efficiency among the tested meshes.