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경량화 복합재를 이용한 풍력 블레이드 해석에 관한 연구
강병윤(Byong-Yun Kang),한정영(Jeong-Young Han),홍철현(Cheol-Hyun Hong),문병영(Byung-Young Moon) 한국유체기계학회 2010 유체기계 연구개발 발표회 논문집 Vol.2010 No.12
Wind turbine blades will be required to be longer, lighter, more reliable and more consistent. Therefore it is necessary to lose weight of the wind turbine blades. This points squarely toward prepreg blade production growing. It is important to note however that prepreg blade production as it is today is flawed and that there are ways to improve greatly on the performance of these blades in manufacturing process and in their in-service performance. Through this, we have some detail on the current process and its advantage of cost and weight of blades.
대형 해상풍력발전용 필라멘트 와인딩 복합재 타워의 동적 특성에 관한 연구
한정영(Jeong-Young Han),홍철현(Cheol-Hyun Hong),정재훈(Jae-Hun Jeong),문병영(Byong-Young Moon) 한국유체기계학회 2011 유체기계 연구개발 발표회 논문집 Vol.2011 No.11
The purpose of this study is to investigate the buckling load of filament-wound composite towers for large scale wind-turbine using finite element method(FEM). To define material properties, we used both the effective property method and the stacking properties method. The effective properties method is to assume that composite consists of one ply. The stacking properties method is to assume that composite consists of some stacked plies. First, linear buckling analysis of the tower, filament-wounded with angles of [±30] was carried out by two methods for composite material properties, the stacking method and the effective method. and FE analysis was performed for the composite towers according to filament winding angles of [±30], [±45], [±60]. FE analysis results using the stacking properties of the composite were in good agreement with the results by the effective properties. The difference between FEM results by material properties methods was approximately 0~2.3% in buckling Analysis and approximately 0~ 0.6% in modal analysis. And above the angle of [±60], there was a little change of buckling load.
경량화 복합재를 이용한 풍력 블레이드 개발과 해석에 관한 연구
강병윤,한정영,홍철현,문병영,Kang, Byong-Yun,Han, Jeong-Young,Hong, Cheol-Hyun,Moon, Byung-Young 한국유체기계학회 2011 한국유체기계학회 논문집 Vol.19 No.6
Wind turbine blades will be required to be longer, lighter, more reliable and more consistent. Therefore it is necessary to lose weight of the wind turbine blades. This points squarely toward prepreg blade production growing. It is important to note however that prepreg blade production as it is today is flawed and that there are ways to improve greatly on the performance of these blades in manufacturing process and in their in-service performance. Through this, we have some detail on the current process and its advantage of cost and weight of blades.
복합재를 이용한 대형 풍력 발전용 타워 개발에 관한 연구
홍철현(Cheol-Hyun Hong),한정영(Jeong-Young Han),정재훈(Jae-Hun Jeong),강병윤(Byong-Yun Kang),문병영(Byung-Young Moon) 한국유체기계학회 2011 유체기계 연구개발 발표회 논문집 Vol.2011 No.11
Wind turbine tower will be required to be lighter, more reliable and more consistent. Therefore it is necessary to lose weight of the wind turbine tower. This points squarely toward hybrid/composite tower production growing. It is important to note however that hybrid/composite tower production as it is today is flawed and that there are ways to improve greatly on the performance of these towers in manufacturing process and in their in-service performance. Through this, we have some detail on the current process and its advantage of cost and weight of towers.