Wave flume

About: Wave flume is a research topic. Over the lifetime, 1627 publications have been published within this topic receiving 23335 citations.

The profile stability of the artificial sand beach nourishment

Abstract: A thorough study concerning the artificial sandy beach slope stability is studiedin this paper. The performance analysis of the cross shore profile was using experimental approaches. A 2 (Two) - dimensional physical model was set up in the laboratory wave flume. The initial slopes (n) of the artificial sand beach model are n =1:6. This study result also compared with some theories established from previous research. The results indicate that the sandy beach slopes are adjusted due to wave attack to form either steeper or flatter stable slopes. The range of stable slopes (nf1) are 3 ≤n ≤ 12. It was observed that the sand particles at the lower part of the slope are transported upward and deposited at a higher part of the slope and vice versa. Experimental result showed the stability of beach profile with the utilization of bar as well as berm. The result also showed significant corelation between stabilizing slope (tan α) and wave steepness (H0/L0).

Influence of Harbour Wall on Pressure Variation in an Oscillating Water Column

Abstract: In the midst of a variety of wave energy converters (WECs), the oscillating water column (OWC) device that exploits ocean waves for its energy is an important class. It is a partially submerged structure with an opening to the sea below the water line that traps the air above the water column. Owing to the wave motion, the rise and fall of water level in a closed chamber pump the air thus causing its oscillation to drive a turbine coupled to electric generators. The objective of the present study is to analyse the influence of harbour walls on the pressure variation between the inside and front of the lip wall of a bottom mounted OWC. In contemplation of enumerating the influence of the harbour walls, a two-dimensional physical model study was conducted with a model scale of 1:20 in a 72.5 m long, 2 m wide and 2.5 m deep wave flume. The study was carried out with different configurations of harbour walls by changing its projecting length to examine the response of OWC. The dimensions of OWC have been chosen in such a way that the device can absorb more energy for a particular relative water depth (d/L). The model was exposed to the action of regular waves in order to evaluate the hydrodynamic performance characteristics of the device mainly the effect of the harbour walls. The details of test set-up, testing facility, parameters of models, harbour wall configurations, test procedure, analysis of results and discussion are reported in this paper.

Sediment Transport by Waves over a Flat Bed

Abstract: The sedimant transport function applicable to transport by wave action over a flat horizontal bed is discussed in the light of dimensional analysis and experimental results. It is found that an expression for sediment transport by waves may be developed by methods 'parallel' to those for unidirectional flow.

Filtration through low crested structures in 2d: experimental and numerical investigations

Abstract: acceptance number: 101 PAPER TITLE: FILTRATION THROUGH LOW CRESTED STRUCTURES IN 2D: EXPERIMENTAL AND NUMERICAL INVESTIGATIONS 1 Author: Clementi, Emanuela 2 Author: Gaeta, Maria Gabriella 3 Author: Lamberti, Alberto Filtration Breakwaters Porous structures Numerical analysis Wave flume experiments Wave damping Porous seabed