Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Kinematics and Shear Stresses from Combined Waves and Longshore Currents in the UK Coastal Research Facility
The paper describes a series of experiments involving regular and random waves propagating over an orthogonal longshore current in the UK Coastal Research Facility at Wallingford. Mean and wave-induced velocities have been measured above a horizontal fixed rough bed using three acoustic velocimeters, and simultaneous measurements of mean and oscillatory bottom shear stress have been made with a UCL shear cell. Wave-induced shear stresses have been expressed as friction factors and compared with widely used empirical formulae. Other results have been compared with predictions for shear stress and apparent bed roughness from eight wave-current theories. The predicted enhancement of these parameters is judged against the relative strengths of the waves and currents tested, and against the practical range of conditions achievable in such laboratory basins.
Kinematics and Shear Stresses from Combined Waves and Longshore Currents in the UK Coastal Research Facility
The paper describes a series of experiments involving regular and random waves propagating over an orthogonal longshore current in the UK Coastal Research Facility at Wallingford. Mean and wave-induced velocities have been measured above a horizontal fixed rough bed using three acoustic velocimeters, and simultaneous measurements of mean and oscillatory bottom shear stress have been made with a UCL shear cell. Wave-induced shear stresses have been expressed as friction factors and compared with widely used empirical formulae. Other results have been compared with predictions for shear stress and apparent bed roughness from eight wave-current theories. The predicted enhancement of these parameters is judged against the relative strengths of the waves and currents tested, and against the practical range of conditions achievable in such laboratory basins.
Kinematics and Shear Stresses from Combined Waves and Longshore Currents in the UK Coastal Research Facility
Simons, Richard R. (Autor:in) / MacIver, Ruairi D. (Autor:in) / Saleh, Wameidh M. (Autor:in)
25th International Conference on Coastal Engineering ; 1996 ; Orlando, Florida, United States
Coastal Engineering 1996 ; 3481-3494
05.08.1997
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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