일반적인 제품들은 복합곡면의 형상을 가지고 있으며 해석곡면과 자유곡면을 동시에 가지며 응용분야에서 활용할 수 있는 충분한 정보를 가진 모델링 기법이 필요하다. 초기 설계단계에서는 정확한 데이터나 형상이 이루어지지 않기 때문에 지속적인 수정, 보완작업을 통하여 최종 모델..
등을 이용해 Pitch angle을 변화시키고 Yawing System을 조작하여 변화하는 풍속과 풍향에 대처할 수 있는 방위제어 시스템을 적용한다.a)종류: HAWT의 경우, Blade의 ... 실제 적용 시 풍향과 풍속을 고려해 방위제어가 필요하며, 타워의 높이와 블레이드의 크기가 커질수록 Bending 및 하중에 취약해 붕괴할 위험성이 커진다.실제 Wind Turbine ... .HAWT(Horizontal Axis Wind Turbine): 수평 축 윈드 터빈, 불어오는 바람의 방향과 터빈의 회전축 방향이 수평이다.블레이드의 윗면과 아랫면의 압력차로 인한
The wind turbine blades are modeled with a finite element program, and static analyses are carried out ... composite blades. ... stresses, and dynamic natural frequencies are analyzed to examine the structural performance of wind turbine
GFRP is a fiber-reinforced plastic used for turbine blade materials. ... In this study, a 1 MW class large turbine blade was designed using the blade element momentum (BEM) theory ... The rotor blade is an important component of a tidal stream turbine and is affected by a large thrust
The single-cell box beam with and without a neck, which mimics a simple wind-turbine blade, is analyzed ... Finally the multi-cell box beam with a taper, which is quite similar to real wind-turbine blade configuration
This study looks at the design of a 100 kW blade geometry for a horizontal marine current turbine using ... of the the fluid flow over the blade is estimated. ... 본 연구에서는 BEMT(Blade Element Momentum Theory)에 의해 우선 정격 출력 100 kW인 수평축 조류 발전용 단일 터빈에 대한 기본 형상 설계를 진행하고,
investigate harnessing techniques of tidal current energy and to design the a 100 kW horizontal axis tidal turbine ... using blade element momentum theory with Prandtl's tip loss factor for optimal design procedures. ... In addition, Influence of Prandtl's tip loss factor at local blade positions as a function of tip speed
The numerical results indicated that the 10-bladed type and the Straight-bladed type turbines absorb ... The water wheel type tidal turbine was studied with different numbers of rotor blades (including ten, ... In this paper, a numerical experiment on a tidal turbine was performed based on a water wheel design
The object of research is based on 1.5 MW wind turbine blade. ... This paper has carried out the aerodynamic shape optimization design of wind turbine blade. ... Based on the aerodynamic basic theory of wind turbine blade design and combined with particle swarm optimization
This paper presents the flow analysis of flow over a cylindrical helical-bladeturbine to investigate ... In this paper, the shape optimization was of turbine blades with NACA0021 performed for the vertical-axis ... turbine having the cylindrical shape.
Polyethylene turbine blades were evaluated to be safe except of the turbine shaft. ... In case of a polyethylene turbine blades, the maximum equivalent stress and safety factor were 3.46 MPa ... The objective of this study is to evaluate the structural safety of the spherical-helical turbine for
blade as a convenient and quick screening test method. ... the important advantages of Thermosonics is that it can be applied to complex structures such as a turbine ... blade and clamp system and investigate the possibility of the reliable excitation system for the thermosonic
The dynamic load at the tower top, rotor shaft, and blade root of the floating wind turbine are simulated ... , a nacelle, and a hub and three blades. ... wind turbine.
Wind Turbine Blade에 대한 3개의 상수(CL, λ, N)로 Chord Length와 Twist Profile linearization 등을 정의할 수 있다는 것이 그 ... 즉, Blade 시작 지점과 끝 지점의 값을 통해 Blade Shape를 결정할 수 있다. ... BEMT는 Blade Element Momentum Theory의 약자로, Blade Element Theory와 Momentum Theory를 결합하여 터빈 블레이드에 작용하는 국부
가스터빈 효율과 성능 향상을 위해 Turbine Blade, Turbine Vane, Combustor 등과 같은 고온의 연소가스가 직접 접촉하는 고온부품(Hot GasPath Parts ... Cross-sectional view of a gas tubine blade showing the TBC is applied to the blade using DVC technirue ... M501J Gas Turbine [MHPS] 가스터빈 본체는 일반적으로 Compressor, Combustor, Turbine으로 구성된다.
optimized by several factors such as last stage blade length, condenser vacuum and steam velocity. ... In a steam turbine system for nuclear power plant, the exhaust loss consists of leaving loss, hood loss ... The exhaust loss during rated power operation of steam turbine equipment is inevitable, but it can be
wind turbine under high wind speed. ... blade and the tip speed ratio(TSR), the proper blade shape was obtained. ... This study aims to observe the wind load characteristics around two-dimensional rotor blade of small
The number of blades was designed with each radial turbine 8, vane nozzle 14. ... Mass flow rate of the turbine was 1.45 kg/s. ... In this study, we analysed the influence of the flow and performance of the generated micro gas turbine