http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
용융탄산염 연료전지용 금속 분리판의 기계적 거동 분석 및 균질화에 대한 연구
이창환(C. H. Lee),양동열(D. Y. Yang),이승륜(S. R. Lee),강동무(D. W. Kang),장인갑(I. G Chang),이태원(T. W. Lee) 한국소성가공학회 2011 한국소성가공학회 학술대회 논문집 Vol.2011 No.5
Metallic bipolar plates of the MCFC(Molten Carbonate Fuel Cell) are composed of one center plate and two shielded slot plates. The unit cell of the shielded slot plate is trapezoidal in shape. From the analytical analysis of the simplified model of the unit cell, the stiffness and strength of simple deformation are obtained. FEM simulations were conducted to verify the analytical result. The homogenized material model for a plastically compressible anisotropic core is employed to simulate the mechanical behavior of the unit cell. The coefficients of the orthotropic elasticity and the yield criterion are obtained from the FEM simulation of the unit cell. The comparisons of the mechanical behaviors are made between the unit cell and the homogenized model.
연성파괴조건을 사용한 용융탄산염 연료전지용 금속 분리판의 성형 공정 유한요소 해석
이창환(C. H. Lee),양동열(D. Y. Yang),이승륜(S. R. Lee),강동우(D. W. Kang),장인갑(I. G Chang),이태원(T. W. Lee) 한국소성가공학회 2011 한국소성가공학회 학술대회 논문집 Vol.2011 No.10
The shielded slop plates of the molten carbonate fuel cell (MCFC) have a sheared corrugated trapezoidal pattern. In the FEM simulation of the shielded slot plate, the user material subroutine VUMAT is employed for the implementation of the ductile fracture criterion in the commercial FEM software ABAQUS. The experimental results of the shearing process were compared with the FEM simulation results in order to determine the critical damage value. Using this ductile fracture criterion, the three dimensional forming process of the shielded slot plate was numerically simulated. The effects of the shearing process on the forming process of the shieded slot plates were examined through FEM simulation and experiments. After springback the sheets shwo the warping due to the residual stress of the forming process.
용융탄산염 연료전지용 쉴디드 슬롯 플레이트의 압축 및 적층 특성 분석
이창환(C. H. Lee),양동열(D. Y. Yang),이승륜(S. R. Lee),강동우(D. W. Kang),장인갑(I. G. Chang),이태원(T. W. Lee) 한국소성가공학회 2010 한국소성가공학회 학술대회 논문집 Vol.2010 No.10
The unit cell of the molten carbonate fuel cell(MCFC) is composed of metallic bipolar plate, anode, cathode and matrix. Among these, the shielded slot plate (the current collector) supports the membrane electrode assembly (MEA) and the stack mechanically. Therefore the compression properties of the shielded slot plate are necessary to design the MCFC stack. In order to analyze the compression properties, experiments were conducted using the unit cell, the anode shielded slot plate(ACC) and the cathode shielded slot plate(CCC). For the properties of the MCFC stack, 4 layers of the metallic bipolar plate were used. The deformation of the MCFC stack depends on the deformation of the cathode shielded slot plate.