TY - JOUR
TI - Power capture and power take-off load of a self-balanced dual-flap oscillating surge wave energy converter
AU - Ahmed, A
AU - Mi, J
AU - Huang, J
AU - Datla, R
AU - Connington, K
AU - Zuo, L
AU - Hajj, M
T2 - Energy
AB - Wave energy converters are an important part of future renewable energy infrastructure. Predicting their power matrix, capture width ratio, and power take-off loads at a targeted site is required for performance assessment before deployment. Because their testing is very expensive, numerical modeling and simulations play a significant role in those assessments. Linear potential flow theory has limited accuracy under large amplitude wave forcing. More accurate predictions can be obtained by using higher-fidelity models, which are computationally expensive. We present a framework for multi-fidelity numerical simulations to determine the hydrodynamic response, wave capture capability, and power take-off load of a full-scale dual-flap oscillating surge wave energy converter. This design exploits out-of-phase motion by setting the distance between the flaps to half the wavelength of the most occurring wave. The simulations are validated using a 1:10 model experiments in a wave tank. Based on these validations, it was determined that Euler simulations provide an acceptable prediction with 90% reduction in computational time with only 11% error. Utilizing Euler simulations at full-scale, the results demonstrate that the annual electrical energy output is 1.79 GWh under regular wave conditions. One significant improvement over single-flap designs is the capture width ratio which exceeds unity.
DA - 2024/03//
PY - 2024
VL - 291
SP - 130431
UR - https://www.sciencedirect.com/science/article/pii/S0360544224002020
DO - 10.1016/j.energy.2024.130431
LA - English
KW - Wave
KW - Oscillating Wave Surge Converter
KW - Lab Data
KW - Modeling
KW - Hydrodynamics
KW - Power Take Off
ER -