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Wave flume

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


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01 Jun 1990
TL;DR: In this article, a 1-to-7.5 scale movable-bed physical model was used to validate model scaling criteria selected as most appropriate for turbulence-dominated erosion of sediment by waves.
Abstract: : A 1-to-7.5 scale (midscale) movable-bed physical model was used to validate model scaling criteria selected as most appropriate for turbulence- dominated erosion of sediment by waves. Two-dimensional flume tests successfully reproduced profile evolution observed in prototype-scale wave flume tests conducted under both regular and irregular wave conditions. For the case of regular waves, a sloping concrete revetment was exposed, thus validating the scaling guidance for use in studying scour at coastal structures. Variations in experimental parameters were systematically examined. Comparisons between regular wave and irregular wave profile evolution indicated that best correspondence is achieved if the significant wave height equals the monochromatic wave height, although irregular wave profile evolution takes about twice as long. The impacts of a vertical seawall on profile change are briefly examined. Keywords: Beach erosion; Water front structures; Hydraulic models; Beach profiles; Coastal processes; Movable bed models; Scale models; Scour; Storm erosion.

11 citations

Journal Article
TL;DR: In this article, the particle finite element method (PFEM) was used to simulate the generation of nonlinear regular waves in a numerical wave flume using first-order wavemaker theory, comparing numerical results with free surface data from large scale physical tests.
Abstract: The generation of nonlinear regular waves in a numerical wave flume using first-order wavemaker theory is discussed comparing numerical results with free surface data from large scale physical tests (CIEM wave flume) and Stokes wave theories. A general formulation for the analysis of fluid-structure interaction problems is employed to simulate the numerical wave flume using the Particle Finite Element Method (PFEM). This method uses a Lagrangian description to model the motion of particles in both the fluid and the structure domains. With this work we can conclude that PFEM formulations simulate the generation of naturally-occurring nonlinear waves with different paddles types, for varied wave conditions and at different scales. Like in physical flumes if we use first-order wavemaker theory in numerical flumes unwanted nonlinearities can be found for some wave conditions.

11 citations

01 Jan 2011
TL;DR: In this paper, the effect of submerged breakwaters on tsunami run-up height was investigated experimentally in the glass-side wall wave flume of 22.5 m. length, 1 m. width, and 0.50 m depth at the Hydraulic Laboratory Istanbul Technical University.
Abstract: Irtem,E., Seyfioglu,E. and Kabdaslo,S., 2011. Experimental Investigation on the Effects of Submerged Breakwaters on Tsunami Run-up Height. Journal of Coastal Research, SI 64 (Proceedings of the 11th International Coastal Symposium), ���������. Szczecin, Poland, ISSN 0749-0208 Tsunamis are more effective in the run-up area at the shoreline. It was developed various measures to reduce tsunami damage. One of the tsunami protection is submerged breakwaters. In this study, it was investigated the effect of submerged breakwaters on tsunami run-up height as experimentally. Experiments were carried out in the glass-side wall wave flume of 22.5 m. length, 1 m. width, and 0.50 m depth at the Hydraulic Laboratory Istanbul Technical University. In order to determine the effect of submerged breakwaters on tsunami run-up height with various cases were used. Experiments were carried out for permeable and impermeable surfaces. Submerged breahwater’s run-up height reduction conditions and percentages in comparison with the case without breakwater was given. It is shown that the effects of submerged breakwaters on tsunami run-up depend on submerged breakwater geometry. It has been obtained that submerged breakwaters will be an effective tsunami protection measure if it will save its structural stability.

11 citations

Journal Article
TL;DR: In this article, a series of physical model tests has been conducted in a combined wind/wave flume at Texas A&M University to study the effects of onshore winds on runup elevations, and various mechanisms by which wind may affect runup are discussed.
Abstract: Height of maximum wave runup on coastal structures is typically calculated directly or indirectly from small-scale physical model tests. These tests are conducted in the absence of wind, although strong onshore winds are typically associated with design storms. To study the effects of onshore winds on runup elevations, a series of physical model tests has been conducted in a combined wind/wave flume at Texas A&M University. Low wind speeds were seen to have little effect on runup elevations, but higher wind speeds significantly increased runup elevations on both smooth and rough slopes. Wind effects were greater on steep slopes than on shallow slopes, and greater on smooth slope than on rough slopes. Various mechanisms by which wind may affect runup are discussed.

11 citations

Journal ArticleDOI
TL;DR: Hydrographic analysis of this technique has been conducted by hydraulic model experiment using 2D wave flume and confirmed that the wave pressure and voltages maximize when higher wave with longer period of wave induces.
Abstract: The characteristics of a new wave power generating system have been proposed by installing a piezoelectric sensor to the seaward position of an existing coastal structure. By installing the sensor to the structure, waves will hit the piezoelectric sensor to generate wave energy; at the same time, the structure acts as a wave breaker. This technique can be applied to various coastal structures to converge the functions of renewable energy generator and the wave reducing structure. This technique of using piezoelectric sensor is relatively inexpensive that can be used for economic purposes as well. Throughout the study, usability of the existing coastal structure and characteristics of current research trend in the ocean wave energy retrieval of the wave power generators have been analyzed. Hydrographic analysis of this technique has been conducted by hydraulic model experiment using 2D wave flume and confirmed that the wave pressure and voltages maximize when higher wave with longer period of wave induces. Throughout the experiment, correlations of generation volume and wave conditions have been found.

11 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202331
202284
202165
202069
201964
201859