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3차원 자장 해석을 통한 1㎿ 급 고온초전도 모터의 특성 해석
백승규(S. K. Baik),손명환(M. H. Sohn),이재득(J. D. Lee),이언용(E. Y. Lee),권영길(Y. K. Kwon),문태선(T. S. Moon),박희주(H. J. Park),김영춘(Y. C. Kim),박관수(G. S. Park) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.7
Different from the conventional motor, the superconducting motor has so large air-gap that the actual parameters such as excitation voltage have considerable difference from the values obtained from 2-dimensional electromagnetic analysis. This paper introduces 3-dimensional EMCN(Equivalent Magnetic Circuit Network) method or FLUX - 3D FEM(Finite Element Method) software to reduce the error originated from the 2-dimensional electromagnetic analysis for the development of a 1 ㎿ class high-temperature superconducting motor.
최병철(B.C.Choi),이춘희(C.H.Lee),박희주(H.J.Park),정명근(M.G.Jung),신병선(B.S.Shin) 한국자동차공학회 2003 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Recently, as people pay attention to the environmental pollution, the emission of diesel engine has become a serious problem. We carried out the performance evaluation test of Diesel Oxidation Catalysts (DOC) for Diesel Engine equipped Vehicles. DOC that was basically coated with Pt catalyst was manufactured with various washcoat materials. It was found that CO conversion efficiency depends on temperature, but THC conversion is dominated by temperature and space velocity. THC and CO conversion efficiency of aged catalysts increased with addition of Zr03 and Zeolite B in the washcoat. We found that DOC performance changes by coating technique even if it is same washcoat materials. DOC that the durability performance coats in suitable washcoat coating technology in high temperature was superior.<br/>