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Artículos de revistas sobre el tema "Wind-wave flume"

Autor: Grafiati
Publicado: 25 de enero de 2025
Última modificación: 31 de julio de 2025

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1

Oost, W. A. "The wind profile in a wave flume." Journal of Wind Engineering and Industrial Aerodynamics 37, no. 2 (1991): 113–21. http://dx.doi.org/10.1016/0167-6105(91)90067-7.

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2

Tsoukala, V. K., and C. I. Moutzouris. "Gas transfer under breaking waves: experiments and an improved vorticity-based model." Annales Geophysicae 26, no. 8 (2008): 2131–42. http://dx.doi.org/10.5194/angeo-26-2131-2008.

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Abstract. In the present paper a modified vorticity-based model for gas transfer under breaking waves in the absence of significant wind forcing is presented. A theoretically valid and practically applicable mathematical expression is suggested for the assessment of the oxygen transfer coefficient in the area of wave-breaking. The proposed model is based on the theory of surface renewal that expresses the oxygen transfer coefficient as a function of both the wave vorticity and the Reynolds wave number for breaking waves. Experimental data were collected in wave flumes of various scales: a) sma
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3

Wei, Chengxun, Shenghui Li, and Haiying Mao. "Development of a Wind–Wave Coherence Function Based on Numerical Studies." Water 16, no. 17 (2024): 2552. http://dx.doi.org/10.3390/w16172552.

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The synchronization and intensity of fluctuating wind speeds and wave surfaces in wind–wave joint propagation processes are affected by the coherence of the marine ambient factors of fluctuating wind and random waves. This coherence further affects the precise calculations of wind–wave joint actions on marine structures. Therefore, a wind–wave joint propagation numerical flume was established based on the numerical simulation of random waves and fluctuating wind fields. A series of numerical simulations of wind–wave joint propagations were carried out. Based on the numerical results, the influ
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4

Syamsidik, Syamsidik, Benazir Benazir, Nadri Pratama, et al. "A New Multi-Purposes Flume Experiments Facility: Challenges and Opportunity for Tsunami and Coastal Engineering in Indonesia." International Journal of Disaster Management 6, no. 3 (2024): 345–54. http://dx.doi.org/10.24815/ijdm.v6i3.34568.

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Physical modelling for tsunami engineering is rather difficult to conduct due to lack of comprehensive and advanced facilities to do so. Large number of simulations of the tsunami impacts were performed numerically. In early 2023, a new advanced tsunami flume facility has been completed at Tsunami and Disaster Mitigation Research Center (TDMRC) of Universitas Syiah Kuala. This flume has 60 m in length, 2.5 m in width, and 1.7 m in height. The flume is also equipped with a number of wave, pressure, and current sensors, Particle Image Velocimetery (PIV) Camera, and a laser bed profiler. Beside o
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5

Zavadsky, A., D. Liberzon, and L. Shemer. "Statistical Analysis of the Spatial Evolution of the Stationary Wind Wave Field." Journal of Physical Oceanography 43, no. 1 (2013): 65–79. http://dx.doi.org/10.1175/jpo-d-12-0103.1.

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Abstract Detailed investigation of wind-generated water waves in a 5-m-long wind wave flume facility is reported. Careful measurements were carried out at a large number of locations along the test section and at numerous airflow rates. The evolution of the wind wave field was investigated using appropriate dimensionless parameters. When possible, quantitative comparison with the results accumulated in field measurements and in larger laboratory facilities was performed. Particular attention was given to the evolution of wave frequency spectra along the tank, distinguishing between the frequen
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6

Deng, Sijia, Ming Qin, Dezhi Ning, Lin Lin, Songxiong Wu, and Chongwei Zhang. "Numerical and Experimental Investigations on Non-Linear Wave Action on Offshore Wind Turbine Monopile Foundation." Journal of Marine Science and Engineering 11, no. 4 (2023): 883. http://dx.doi.org/10.3390/jmse11040883.

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Monopiles are commonly utilized in offshore wind farms but are prone to non-linear wave loads and run-ups, significantly affecting their engineering design. Therefore, it is crucial to pursue a complete understanding of the non-linear wave action on monopile foundations. Both numerical and experimental investigations on the non-linear wave loads and run-ups on an offshore wind turbine monopile foundation are performed in this paper. The experiment is carried out at a scale of 1/30 in a wave flume at the State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology,
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7

KAWASAKI, Koji, and Masami KIKU. "PROPOSAL OF NUMERICAL WAVE FLUME FOR WAVE OVERTOPPING ANALYSIS CONSIDERING WIND EXTERNAL FORCE." Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering) 67, no. 2 (2011): I_58—I_63. http://dx.doi.org/10.2208/jscejoe.67.i_58.

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8

Kiku, Masami, and Koji Kawasaki. "PROPOSAL OF NUMERICAL WAVE FLUME FOR WAVE OVERTOPPING COMPUTATION CONSIDERING WIND EXTERNAL FORCE." Coastal Engineering Proceedings 1, no. 34 (2014): 8. http://dx.doi.org/10.9753/icce.v34.waves.8.

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9

Kandaurov, Alexander, Daniil Sergeev, Yuliya Troitskaya, and Olga Ermakova. "Investigation of the mechanisms of sea spray generation induced by wind-wave interaction in laboratory conditions." EPJ Web of Conferences 213 (2019): 02036. http://dx.doi.org/10.1051/epjconf/201921302036.

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The paper presents the results of investigations of the mechanisms of spray of droplets generation within wind wave interaction obtained under laboratory conditions on the High-speed Wind-Wave Flume of the Institute of Applied Physics of the Russian Academy of Sciences. For the research, a multi-angle high-speed video system used together shadow method, including underwater illumination. The results allowed for the classification of mechanismsleading to the formation of droplets. Three main types of phenomena responsible for the generation of the spume droplets near the wave crest were specifi
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10

Chowdhury, S. De, J. G. Zhou, L. Qian, et al. "WIND EFFECTS ON OVERTOPPING DISCHARGE AT COASTAL DEFENCES." Coastal Engineering Proceedings, no. 36v (December 31, 2020): 40. http://dx.doi.org/10.9753/icce.v36v.papers.40.

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Wind effects on wave overtopping over fully impermeable vertical sea defence is studied in a shallow water flume based on a physical model for the Livermeade defence system. The investigation is mainly focused on impulse type wave interaction with the sea defence, when the overshooting jet is high during overtopping. We are able to identify distinct types of overtopping flows where moderate wind speed is not found to be affecting uniformly in all cases. We try to find explanation of this behaviours by studying the standing waves at the defence and complementary CFD simulations.Recorded Present
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11

Yang, Ray-Yeng, Hsin-Hung Chen, Hwung-Hweng Hwung, Wen-Pin Jiang, and Nian-Tzu Wu. "EXPERIMENTAL STUDY ON THE LOADING AND SCOUR OF THE JACKET TYPE OFFSHORE WIND TURBINE FOUNDATION." Coastal Engineering Proceedings 1, no. 32 (2011): 25. http://dx.doi.org/10.9753/icce.v32.structures.25.

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A 1:36 scale model tests were carried out in the Medium Wave Flume (MWF) and Near-shore Wave Basin (NSWB) at the Tainan Hydraulics Laboratory (THL) with the jacket type offshore wind turbine foundation located in the test area. The loading of typhoon wave with current on the jacket type offshore wind turbine foundation was investigated in the MWF with fixed bed experiment. Meanwhile, the scour around the jacket type offshore wind turbine foundation exposed to wave and current was conducted in the NSWB with the moveable bed experiment. Two locations (water depth 12m and 16m) of the foundations
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12

Kahma, Kimmo K., and Mark A. Donelan. "A laboratory study of the minimum wind speed for wind wave generation." Journal of Fluid Mechanics 192 (July 1988): 339–64. http://dx.doi.org/10.1017/s0022112088001892.

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The minimum wind speed for wind wave generation has been investigated in a laboratory wind-wave flume using a sensitive slope gauge to measure the initial wavelets about 10 μm high. The growth at very low wind speeds was higher than predicted by the viscous shear-flow instability theory. Assuming that the growth is exponential, the inception wind speed at which the growth rate becomes positive can be defined. It occurred at (friction velocity) u* ≈ 2 cm/s, somewhat lower than the u* ≈ 4–5 cm/s predicted by shear-flow instability theory. However, the observed growth rates were close to the theo
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13

Rusakov, N. S., G. A. Baydakov, and Yu I. Troitskaya. "A COMPOSITE MODEL OF MICROWAVE SCATTERING FROM WATER SURFACE IN EXTREME WIND SPEED CONDITION." Доклады Российской академии наук. Науки о Земле 513, no. 1 (2023): 139–45. http://dx.doi.org/10.31857/s2686739723601710.

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Experiments were carried out in the wind-wave flume of Large Thermo-Stratified Wind-Wave Tank of IAP RAS aimed at studying the mechanisms of cross-polarized microwave radiation scattering from water surface under conditions of extremely high wind speeds. It is shown that the normalized radar cross-section (NRCS) can be represented as the result of an incoherent addition of contributions from breaking wave crests and from non-breaking wind waves. The effect of smoothing the water surface after passing the breaking crest made it possible to measure the NRCS of the breaking area on cross-polariza
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14

Jiang, Changbo, Yang Yang, and Bin Deng. "Study on the Nearshore Evolution of Regular Waves under Steady Wind." Water 12, no. 3 (2020): 686. http://dx.doi.org/10.3390/w12030686.

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We present a study on regular wave propagation on a sloping bed under the action of steady wind, which is of a great significance to complement and replenish the interaction mechanisms of nearshore wave and wind. Physical experiments were conducted in a wind-wave flume, and the corresponding numerical model was constructed based on the solver Waves2FOAM in OpenFOAM, with large-eddy simulation (LES) used to investigate the turbulent flow. The comparisons between the measured and calculated results of the free surface elevation and flow velocity indicated that the numerical model could predict t
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15

Sullivan, Peter P., Michael L. Banner, Russel P. Morison, and William L. Peirson. "Turbulent Flow over Steep Steady and Unsteady Waves under Strong Wind Forcing." Journal of Physical Oceanography 48, no. 1 (2018): 3–27. http://dx.doi.org/10.1175/jpo-d-17-0118.1.

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AbstractTurbulent flow over strongly forced steep steady and unsteady waves is simulated using large-eddy simulation (LES) with time t and space x varying wave height h(x, t) imposed as a lower boundary condition. With steady waves, h(x, t) is based on measurements of incipient and active breaking waves collected in a wind-wave flume, while a numerical wave code is used to generate an unsteady evolving wave packet (group). Highly intermittent airflow separation is found in the simulations, and the results suggest separation near a wave crest occurs prior to the onset of wave breaking. The form
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16

Wang, Guangsheng, Kai Zhang, and Jian Shi. "The Effect of Different Swell and Wind-Sea Proportions on the Transformation of Bimodal Spectral Waves over Slopes." Water 16, no. 2 (2024): 296. http://dx.doi.org/10.3390/w16020296.

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In the laboratory experiment, 1:25 scaled models are constructed to investigate the effect of different swell and wind-sea proportions on the wave transformation. The source of the wave spectrum is related to the wave conditions in the Gulf of Guinea. Swell from the westerlies and local wind-sea forms the bimodal spectral waves in the region. To better understand the transformation of bimodal spectral waves, a series of wave conditions are measured by the wave gauges in a wave flume. Based on the wave spectrum at the Bight of Benin, the wave transformation along the slopes and variations of di
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17

Yuan, Zhen Zhong, Bhupendra Singh Chauhan, and Hee Chang Lim. "Study of a Wave Absorber in Various Distance Placed in a Sinusoidal Propagate Wave." Applied Mechanics and Materials 302 (February 2013): 326–31. http://dx.doi.org/10.4028/www.scientific.net/amm.302.326.

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Since there has been a rapid progress to understand the dynamics of an offshore floating body under an ocean environment, we undertake to generate the ocean waves in a lab-scale wind-wave flume. The study is aiming to observe and optimize the similar ocean environmental condition as input wave and to reduce the wall reflective wave. Several absorption methods are suggested to optimize the propagate wave by measuring the maximum and minimum of the standing wave envelope. There has been no optimized absorption method, as they highly depend on the wave period and the wave length. One of the metho
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18

Zhu, Li-Xin, SeYoung Kim, and HeeChang Lim. "Study on the Surge Motion of a Circular Cylinder Placed in the Propagating Wave." International Journal of Advance Research and Innovation 2, no. 2 (2014): 125–29. http://dx.doi.org/10.51976/ijari.221419.

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With the rapid development of offshore wind turbines, research about the stability of floating structure comes to be significance. This study aims at observing the movement characteristics of a circular cylinder . To simulate ocean wave, the demonstrative experiment was performed in a small-scale wave flume combined with a wave generator and a wave absorber. Moreover, to precisely visualize the oscillation of the circular cylinder, we have prepared (1) water level gauge (CH-601, KENEK, operation range±100mm); (2) circular cylinder with a set of light emitting diode illuminators; (3) a high-spe
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19

Liberzon, Dan, and Lev Shemer. "An Inexpensive Method for Measurements of Static Pressure Fluctuations." Journal of Atmospheric and Oceanic Technology 27, no. 4 (2010): 776–84. http://dx.doi.org/10.1175/2009jtecha1352.1.

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Abstract An application of a commercially available and inexpensive pressure probe and transducer, originally designed for pressure drop measurements in air conditioning conduits, is suggested for accurate and reliable measurements of static pressure fluctuations in airflow, with a particular application to wind interaction with water waves. It is demonstrated that this static pressure probe is a robust instrument that offers efficient dynamic pressure elimination while having low directional sensitivity and sufficiently high dynamic response. A series of measurements in a wind-wave flume was
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20

Laxague, Nathan J. M., Brian K. Haus, David G. Ortiz-Suslow, et al. "Passive Optical Sensing of the Near-Surface Wind-Driven Current Profile." Journal of Atmospheric and Oceanic Technology 34, no. 5 (2017): 1097–111. http://dx.doi.org/10.1175/jtech-d-16-0090.1.

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AbstractEstimation of near-surface current is essential to the estimation of upper-ocean material transport. Wind forcing and wave motions are dominant in the near-surface layer [within O(0.01) m of the surface], where the highly sheared flows can differ greatly from those at depth. This study presents a new method for remotely measuring the directional wind and wave drift current profile near to the surface (between 0.01 and 0.001 m for the laboratory and between 0.1 and 0.001 m for the field). This work follows the spectral analysis of high spatial (0.002 m) and temporal resolution (60 Hz) w
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21

Knobler, Sagi, Ewelina Winiarska, Alexander Babanin, and Dan Liberzon. "Wave breaking probabilities under wind forcing in open sea and laboratory." Physics of Fluids 34, no. 3 (2022): 032122. http://dx.doi.org/10.1063/5.0084276.

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Water wave breaking represents one of the most arduous problems in fluid mechanics. Understanding the process of wave breaking and developing an ability to quantify the associated energy losses and redistribution are critical across a wide range of coastal oceanic applications, maritime navigation, and climate and hydrodynamic research. Naturally, waves become steeper toward the inception of breaking; however, there is still a lack of unanimity regarding the relationship between breaking probability statistics and wave steepness. Here, we present a detailed investigation of breaking vs non-bre
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22

Zhang, Xin Zhou, Xi Ping Dou, Xiao Dong Zhao, Xiang Ming Wang, and Xiang Yu Gao. "3D Numerical Simulation of Current and Sediment Transport in Estuary and Coast." Advanced Materials Research 779-780 (September 2013): 899–902. http://dx.doi.org/10.4028/www.scientific.net/amr.779-780.899.

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In estuarine and coastal area, due to the colligated function of tide, runoff, wind and wave, suspended sediment profile in main flow direction varies from the inland river. Thus, combined with massive data sets from experiments in flume and observations in field, the study on the profile of concentration of suspended sediment are carried out in the thesis. Finally, 3D numerical model of turbulent sediment is established in estuarine and coastal area to carry out a simulation research on current and sediment movement in Yangtze River estuary.
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23

BANNER, MICHAEL L., and WILLIAM L. PEIRSON. "Tangential stress beneath wind-driven air–water interfaces." Journal of Fluid Mechanics 364 (June 10, 1998): 115–45. http://dx.doi.org/10.1017/s0022112098001128.

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The detailed structure of the aqueous surface sublayer flow immediately adjacent to the wind-driven air–water interface is investigated in a laboratory wind-wave flume using particle image velocimetry (PIV) techniques. The goal is to investigate quantitatively the character of the flow in this crucial, very thin region which is often disrupted by microscale breaking events. In this study, we also examine critically the conclusions of Okuda, Kawai & Toba (1977), who argued that for very short, strongly forced wind-wave conditions, shear stress is the dominant mechanism for transmitting the
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24

Aartsen, M. W. "MODEL STUDY ON THE IMPACT OF WAVES." Coastal Engineering Proceedings 1, no. 6 (2011): 45. http://dx.doi.org/10.9753/icce.v6.45.

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The problem to be investigated is the structural strength of a sluice gate under the influence of wave attack. The gate was designed in view of the hydraulic forces in quasi permanent conditions The fact, however, that the gate is exposed to wave attack, necessitates an investigation of:
 1) the transient forces due to impact,
 2) the possibilities of modificating the shape of the gate in order to avoid, or at least to diminish, the chance on the occurrence of impacts.
 As the mechanism of wave attack is influenced by the hydrodynamic properties of the oncoming waves, the tests
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25

Riha, Jaromir, and Miroslav Spano. "The Influence of Current on the Height of Wind Wave Run-Up: A comparison of experimental results with the Czech National Standard." Journal of Hydrology and Hydromechanics 60, no. 3 (2012): 174–84. http://dx.doi.org/10.2478/v10098-012-0015-2.

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The Influence of Current on the Height of Wind Wave Run-Up: A comparison of experimental results with the Czech National StandardOne of the basic questions related to the safety of dikes and river levees is the size of the freeboard. One of the important parameters for freeboard design is the height of waves and wave run-up on levee slopes. Routine and standardised calculations of wave run-up deal with the freeboards of dams where wind waves originate on the still water of the reservoir. In the case of running water in streams (thereinafter only "currents") the effect of wave and current inter
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26

Shim, Kyu-Tae, and Kyu-Han Kim. "A Study on the Characteristics of Beach Profile Evolution According to the Particle Size Variation of Beach Nourishment." Water 15, no. 16 (2023): 2956. http://dx.doi.org/10.3390/w15162956.

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This study investigated the beach nourishment effect and topographical changes when using nourishment sand with relatively large particle diameters to perform beach nourishment on a beach subject to erosion. A physical model test was conducted in a 2D wave flume with an installed wind tunnel. The experiment examined the sediment transport mechanism under conditions with wind and waves. Although applying nourishment sand with large particle diameters attenuated sediment transport, the increase in particle diameter was not always proportional to the reduction in topographical changes. Increasing
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27

Freeman, Elizabeth, Kristen Splinter, and Ron Cox. "FLOATING BREAKWATERS AS PUBLIC PLATFORMS – IMPACT ON POSTURAL STABILITY." Coastal Engineering Proceedings, no. 36 (December 30, 2018): 63. http://dx.doi.org/10.9753/icce.v36.structures.63.

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Floating Breakwaters are used extensively to provide cost effective protection from wind and vessel waves. Floating breakwaters are commonly multitasked, being used as a point of mooring for vessels or simply an access way to other pontoons in a small boat harbour, as well as their main function as wave dissipators. A floating breakwater does not completely stop the incident wave; rather it partially transmits, partially reflects and partially dissipates the wave energy. Cox et al (2007) completed wave flume testing of a number of floating breakwaters and reported on performance in irregular w
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28

Sergeev, Daniil, and Alexander Kandaurov. "Experimental investigation of multiphase hydrodynamics of the ocean-atmosphere boundary layer within laboratory modelling." EPJ Web of Conferences 269 (2022): 01052. http://dx.doi.org/10.1051/epjconf/202226901052.

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Laboratory modelling of the processes of interaction between the atmosphere and ocean in the boundary layers is one of the most interesting from the point of view of the features of the hydrophysical experiment. The main characteristics that need to be controlled in these experiments include, first of all, the air velocity field over the rough surface waves and the underwater flow, as well as the shape of the free surface. However especial features as spray of droplets, the bubbles in the water and foam generated during the breaking of waves should also be taken into account when modelling ext
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29

Troitskaya, Yu, D. Sergeev, A. Kandaurov, M. Vdovin, and S. Zilitinkevich. "The Effect of Foam on Waves and the Aerodynamic Roughness of the Water Surface at High Winds." Journal of Physical Oceanography 49, no. 4 (2019): 959–81. http://dx.doi.org/10.1175/jpo-d-18-0168.1.

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AbstractThis paper models the impact of the presence of foam on the short-wave component of surface waves and momentum exchange in the atmospheric boundary layer at high winds. First, physical experiments were carried out in a wind-wave flume in which foam can be artificially produced at the water surface. Tests were conducted under high-wind-speed conditions where equivalent 10-m wind speed ranged from 12 to 38 m s−1, with measurements made of the airflow parameters, the frequency–wavenumber spectra of the surface waves, the foam coverage of the water surface, and the distribution of the foam
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30

LIBERZON, DAN, and LEV SHEMER. "Experimental study of the initial stages of wind waves' spatial evolution." Journal of Fluid Mechanics 681 (June 24, 2011): 462–98. http://dx.doi.org/10.1017/jfm.2011.208.

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Despite a significant progress and numerous publications over the last few decades a comprehensive understanding of the process of waves' excitation by wind still has not been achieved. The main goal of the present work was to provide as comprehensive as possible set of experimental data that can be quantitatively compared with theoretical models. Measurements at various air flow rates and at numerous fetches were carried out in a small scale, closed-loop, 5 m long wind wave flume. Mean airflow velocity and fluctuations of the static pressure were measured at 38 vertical locations above the me
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31

Zhao, Z., L. Zhang, L. Yuan, and TJ Bouma. "Saltmarsh seeds in motion: the relative importance of dispersal units and abiotic conditions." Marine Ecology Progress Series 678 (November 11, 2021): 63–79. http://dx.doi.org/10.3354/meps13891.

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Propagule dispersal is fundamental to the colonization of new habitats, metapopulation connectivity, and gene flow and thus enables saltmarsh species to cope with global change. In this study, mesocosm and flume experiments were used to quantify the effects of different dispersal units (i.e. seed, spikelet, inflorescence, and plant fragment-containing seeds) and abiotic conditions on the dispersal processes of 4 globally distributed saltmarsh species: Salicornia europaea, Scirpus maritimus, Spartina anglica, and Elymus athericus. The results showed that (1) moving seawater has a species-specif
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32

Li, Zhiyue, Guoliang Dai, Shuo Du, et al. "Local Scour Depth Prediction of Offshore Wind Power Monopile Foundation Based on GMDH Method." Journal of Marine Science and Engineering 11, no. 4 (2023): 753. http://dx.doi.org/10.3390/jmse11040753.

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In recent years, Chinese offshore wind farms have experienced varying degrees of foundation scour since their completion. The maximum scour depth of pile foundations has far exceeded the design scour depth, which seriously threatens the safety of wind turbines. Among the current scour depth prediction formulas, the values calculated by the Chinese specification 65-1, 65-2 formula are small and the prediction results are on the dangerous side. The calculated value of the American Hec-18 formula is safe but conservative. The prediction formula of other specifications has a large deviation from t
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33

Chen, Deming, Mingchen Lin, Jinxin Zhou, et al. "Experimental Study of the Hydrodynamic Forces of Pontoon Raft Aquaculture Facilities Around a Wind Farm Monopile Under Wave Conditions." Journal of Marine Science and Engineering 13, no. 4 (2025): 809. https://doi.org/10.3390/jmse13040809.

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The integrated development of offshore wind power and marine aquaculture represents a promising approach to the sustainable utilization of ocean resources. The present study investigated the hydrodynamic response of an innovative combination of a wind farm monopile and pontoon raft aquaculture facilities (PRAFs). Physical water tank experiments were conducted on PRAFs deployed around a wind farm monopile using the following configurations: single- and three-row arrangements of PRAFs with and without a monopile. The interaction between the aquaculture structure and the wind farm monopile was ex
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34

Toffoli, A., A. V. Babanin, M. A. Donelan, B. K. Haus, and D. Jeong. "Estimating Sea Spray Volume with a Laser Altimeter." Journal of Atmospheric and Oceanic Technology 28, no. 9 (2011): 1177–83. http://dx.doi.org/10.1175/2011jtecho827.1.

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Abstract Down-looking laser altimeters are commonly used to measure the sea surface elevation. However, because the laser radiation is attenuated by spray droplets suspended along the transmission path, it is presumed that altimeters may also provide an indirect measure of the sea spray volume. Here, this conjecture is discussed by means of laboratory experiments, which have been conducted in a wind-wave flume. A large number of wind conditions were considered between equivalent 10-m wind speeds of 20 and 60 m s−1 in order to generate different spray volumes above the water surface. The facili
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35

Han, Mengmeng, and Chien Ming Wang. "Efficiency and Wave Run-Up of Porous Breakwater with Sloping Deck." Journal of Marine Science and Engineering 10, no. 12 (2022): 1896. http://dx.doi.org/10.3390/jmse10121896.

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In order to protect fragile shoreline and coastal assets during extreme storms, a combined floating breakwater-windbreak has been proposed to reduce both wind and wave energies in the sheltered area. The 1 km-long breakwater has a porous hull with internal tubes to allow free passage of water; thereby further dissipating wave energy. The deck of the structure is designed to have a slope of 25 degrees facing the upstream side, and arrays of cylindrical tubes are placed on the sloping deck to form a windbreak. A reduced-scale (1:50) model test was carried out in a wave flume to examine wave shel
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36

Yamashiro, Masaru, Akinori Yoshida, and Yasuhiro Nishii. "PRACTICAL MEASURES AGAINST SEA SALT PARTICLES FROM AN EXISTING VERTICAL WALL." Coastal Engineering Proceedings 1, no. 32 (2011): 31. http://dx.doi.org/10.9753/icce.v32.structures.31.

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At Waku fishing port, facing to Japan Sea, in Yamaguchi prefecture, Japan, a vertical type breakwater was constructed in front of the mouth of the port to protect the inside against incoming waves about 10 years ago. Residents in the area have been troubled with heavy seawater spray and much smaller sea salt particles caused at the breakwater by sever waves and strong winds ever since. To reduce the generation of and the damage from the seawater spray and the sea salt particles, three different types of measures were proposed: (a) covering the breakwater with wave dissipating blocks, (b) const
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37

Zhu, Jiangfeng, Yuguang Cao, Yuanyuan Liu, Chenyi Ren, and Qiankun Zhao. "Study on structural design and hydrodynamic response law of new floating wind power fishery integration." Science and Technology for Energy Transition 78 (2023): 39. http://dx.doi.org/10.2516/stet/2023025.

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The new lattice floating wind turbine integrated system (also known as Dot Matrix Floating wind turbine, and hereinafter referred to as DMF) is proposed as a new concept. It is a design scheme that combines multiple wind turbines into a polygonal floating foundation in the form of a lattice arrangement, which can meet the research and development requirements of higher power generation equipment in the future. More far-reaching, it has obvious advantages over the traditional floating wind turbine scheme in terms of structural cost and motion stability, which provides a new idea for the develop
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38

Song, Juhun, and Hee-Chang Lim. "Study of Floating Wind Turbine with Modified Tension Leg Platform Placed in Regular Waves." Energies 12, no. 4 (2019): 703. http://dx.doi.org/10.3390/en12040703.

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In this study, the typical ocean environment was simulated with the aim to investigate the dynamic response under various environmental conditions of a Tension Leg Platform (TLP) type floating offshore wind turbine system. By applying Froude scaling, a scale model with a scale of 1:200 was designed and model experiments were carried out in a lab-scale wave flume that generated regular periodic waves by means of a piston-type wave generator while a wave absorber dissipated wave energy on the other side of the channel. The model was designed and manufactured based on the standard prototype of th
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39

Lai, Yongqing, Li Cai, Xinyun Wu, et al. "Effect of Combined Wave and Current Loading on the Hydrodynamic Characteristics of Double-Pile Structures in Offshore Wind Turbine Foundations." Energies 18, no. 10 (2025): 2573. https://doi.org/10.3390/en18102573.

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The multi-pile structure is a common and reliable foundation form used in offshore wind turbines (such as jacket-type structures, etc.), which can withstand hydrodynamic loads dominated by waves and water flow, providing a stable operating environment. However, the hydrodynamic responses between adjacent monopiles affected by combined wave and current loadings are seldom revealed. In this study, a generation module for wave–current combined loading is developed in waves2Foam by considering the wave theory coupled current effect. Subsequently, a numerical flume model of the double-pile structur
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40

Zhang, Hao, Hanbo Zheng, Fayun Liang, and Lin Li. "Flume test on mechanical responses of wind-wave cyclic loaded offshore wind turbine supported by jacket foundation considering time-varied local scour effects." Applied Ocean Research 158 (May 2025): 104565. https://doi.org/10.1016/j.apor.2025.104565.

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41

Troitskaya, Yu, A. Kandaurov, O. Ermakova, D. Kozlov, D. Sergeev, and S. Zilitinkevich. "The “Bag Breakup” Spume Droplet Generation Mechanism at High Winds. Part I: Spray Generation Function." Journal of Physical Oceanography 48, no. 9 (2018): 2167–88. http://dx.doi.org/10.1175/jpo-d-17-0104.1.

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AbstractThis paper describes the results of an experimental and theoretical investigation into the mechanisms by which spume droplets are generated by high winds. The experiments were performed in a high-speed wind-wave flume at friction velocities between 0.8 and 1.5 m s−1 (corresponding to a 10-m wind speed of 18–33 m s−1 under field conditions). High-speed video of the air–water interface revealed that the main types of spray-generating phenomena near the interface are “bag breakup” (similar to fragmentation of droplets and jets in gaseous flows at moderate Weber numbers), breakage of liqui
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42

Weaver, Robert J., and Abigail L. Stehno. "Mangroves as Coastal Protection for Restoring Low-Energy Waterfront Property." Journal of Marine Science and Engineering 12, no. 3 (2024): 470. http://dx.doi.org/10.3390/jmse12030470.

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Mangroves offer vital ecological advantages including air and water filtration, coastal and estuarine habitat provision, sediment stabilization, and wave energy dissipation. Their intricate root systems play a key role in safeguarding shorelines from tsunamis and erosive storms by dissipating wave energy. Moreover, mangroves shield against boat wakes and wind-waves, thus naturally bolstering shoreline defense. Wave dissipation is a function of forest width, tree diameter, and forest density. Restoration efforts of juvenile mangroves in Florida’s Indian River Lagoon (IRL) aim to reduce wave ene
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43

Venis, W. A. "DETERMINATION OF THE WAVE ATTACK ANTICIPATED UPON A STRUCTURE FROM LABORATORY AND FIELD OBSERVATIONS." Coastal Engineering Proceedings 1, no. 7 (2011): 37. http://dx.doi.org/10.9753/icce.v7.37.

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Model tests have been carried out to obtain an insight into the magnitude of the wave-pressures in various situations. These tests showed, that sharp high pressure peaks occur in addition to the pressures caused by the reflecting of the waves, which pressures are quasi-static. As the structure can be compared with a multiple mass-spring system these pressure-peaks may cause the whole construction to vibrate. Wave-attack therefore can be expressed in terms of impact. Moreover, calculations revealed that the impact pressures were critical factors in determining the strength of the structure.&#x0
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44

Shelushinin, Yuriy A. "Changes in the initial parameters of waves caused by distortions in the scale of a hydraulic model." Vestnik MGSU, no. 1 (January 2022): 83–92. http://dx.doi.org/10.22227/1997-0935.2022.1.83-92.

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Introduction. The distorted scale method is often used to develop physical models of hydraulic structures. Notably, scientific researches concerning the methodology of distortions are quite rare, especially those that are focused on the modeling of wind waves. In the modern practice, scale distortions only affect the underwater topography and hydraulic structures. In this case, initial waves remain unchanged, and this can lead to errors in the wave mode at the control points of a model. Given the data on errors, the author considers the changes in the parameters of initial waves, if the scale
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45

Zheng, Shuang, Guanlin Li, Qiang Fu, et al. "Analysis of the Factors Influencing the Trailing Infrared Characteristics of Underwater Vehicles under Surge Conditions Using the Orthogonal Method." Applied Sciences 13, no. 5 (2023): 3234. http://dx.doi.org/10.3390/app13053234.

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With its benefits of efficiency and speed, the orthogonal experimental design method is currently often employed in many domains for multi-factor experimental design. In this study, the wind–wave–flow multifunctional experimental flume was used to replicate surge circumstances using the orthogonal technique in order to investigate the contributing factors and their interactions on the sea surface IR characteristics of underwater vehicles’ wakes. According to the correlation analysis, the height of the swell and the surface temperature difference of the wake had only a weak negative correlation
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46

Hu, Zhan, Simei Lian, Huaiyu Wei, Yulong Li, Marcel Stive, and Tomohiro Suzuki. "Laboratory data on wave propagation through vegetation with following and opposing currents." Earth System Science Data 13, no. 10 (2021): 4987–99. http://dx.doi.org/10.5194/essd-13-4987-2021.

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Abstract. Coastal vegetation has been increasingly recognized as an effective buffer against wind waves. Recent laboratory studies have considered realistic vegetation traits and hydrodynamic conditions, which advanced our understanding of the wave dissipation process in vegetation (WDV) in field conditions. In intertidal environments, waves commonly propagate into vegetation fields with underlying tidal currents, which may alter the WDV process. A number of experiments addressed WDV with following currents, but relatively few experiments have been conducted to assess WDV with opposing current
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47

Wang, Shi Ming, and Dao Tao Lei. "Design and Experimental Research of a New Horizontal Wave and Flow Generation Device." Applied Mechanics and Materials 404 (September 2013): 337–43. http://dx.doi.org/10.4028/www.scientific.net/amm.404.337.

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According to the current needs of the independent power supply to the offshore marine equipment and reefs, as well as the serious status of the world's energy crisis, environmental pollution, we design a miniaturized modular turbine marine energy generation device. With turbine which is circular evenly arranged vane typed as its wave flow capturing device,and through the spindle which fixedly mounted with the turbine, transmiting the captured energy directly to the generator which is mounted at the end of the spindle,eventually the entire device achieves single-stage transmission,and overcomes
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48

Li, Yuzhu, and Zhengyu Hu. "THE ROLE OF SEEPAGE RESPONSE IN TSUNAMI SCOUR." Coastal Engineering Proceedings, no. 38 (May 29, 2025): 5. https://doi.org/10.9753/icce.v38.sediment.5.

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Tsunamis have distinctly different scour mechanisms compared with wind-generated waves or steady currents. Tonkin et al. (2003) showed that the shear stress measured on the sandy bed during the tsunami draw- down cannot qualitatively explain the rapid erosion around an monopile. They attributed this rapid erosion to the seepage response in the underlying soil induced by the rapidly decreasing water level. When the tsunami- induced upward pore-pressure gradient exceeds the buoyant weight of the sediment, the effective stress between sediment grains could vanish to form momentary liquefaction. Y
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49

Nielsen, Anders, and Thor Petersen. "Onset of Motion of Sediment underneath Scour Protection around a Monopile." Journal of Marine Science and Engineering 6, no. 3 (2018): 100. http://dx.doi.org/10.3390/jmse6030100.

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The stability of scour protections is, potentially, an important issue during the design of fixed foundations for offshore wind turbines. One of the failure mechanisms observed at placed scour protection around offshore foundations is suction of sediment through the scour protection and subsequent sinking of the scour protection. Incipient motion of sediment and the initiation of suction underneath scour protections around piles in the marine environment were studied under waves, current and combined waves and current conditions. The motion of a thin layer of sediment underneath the scour prot
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50

Yang, Can, Zhibin Hao, Huaqi Yuan, et al. "Numerical Simulation on the Hydrodynamic Flow Performance and an Improve Design of a Circulating Water Channel." Journal of Marine Science and Engineering 10, no. 3 (2022): 429. http://dx.doi.org/10.3390/jmse10030429.

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A Circulating Water Channel (CWC) is an important piece of equipment for hydrodynamic tests in ocean engineering, the quality of the flow field produced by the CWC directly affects the accuracy of the experimental results. Optimizing the key parts of the CWC device can efficiently improve the velocity uniformity and helps to achieve a high-level flow performance. In this paper, a CWC flume is set up numerically, and a series of hydrodynamic tests were carried out to evaluate the flow uniformity by optimizing the turning vane and contraction section. The numerical model is solved based on the R
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