MODELLING WAVE-TIDE INTERACTIONS AT A WAVE FARM

Proceedings of the International Conference on Coastal Engineering

Shunqi Pan²  Raul Gonzalez-Santamaria²  Roberto Padilla-Hernandez¹  Qingping Zou² 

[1] SAIC/NOAA/NCEP/EMC/WWB Camp Springs, Maryland.;University of Plymouth

关键词: Wave Hub;    marine renewable energy;    wave-current interaction;    wave-tide interaction;    SWAN;    ROMS;   

DOI  :  10.9753/icce.v32.waves.34

学科分类：建筑学

来源: Coastal Engineering Research Council

【 摘 要 】

The Wave Hub project will create the world’s largest wave farm off the coast of Cornwall, Southwest England. This study is to investigate wave and tide interactions, in particular their effects on bottom friction and sediment transport at the wave-farm coast. This is an ambitious project research which includes the use of a very complex numerical modelling system. The main question to answer is how waves, tidal currents and winds affect the bottom friction at the Wave Hub site and the near-shore zone, as well as their impact on the sediment transport. Results show that tidal elevation and tidal currents have a significant effect on the wave height predictions, tidal forcing and wind waves have a significant effect on the bed shear-stress, relevant to sediment transport, waves via radiation stresses have an important effect on the long-shore and cross-shore velocity components, particularly during the spring tides, waves can impact on bottom boundary layer and the mixing in the water column. Interactions between waves and tides at the Wave Hub site is important when modelling coastal morphology influenced by wave energy devices, this open-source modelling system tool will help the study of physical impacts on the Wave Hub farm area.

【 授权许可】

Unknown