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Friday, April 24, 2020 | History

1 edition of Experimental and numerical investigations of floating breakwater performance found in the catalog.

Experimental and numerical investigations of floating breakwater performance

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  • 35 Currently reading

Published by U.S. Dept. of Agriculture, Agricultural Research Service, National Sedimentation Laboratory in Oxford, Miss .
Written in English

    Subjects:
  • Mobile Breakwaters,
  • Testing,
  • Water waves,
  • Wave mechanics

  • Edition Notes

    Statementby Yavuz Ozeren, Daniel Wren, and Carlos Alonso
    SeriesResearch report -- no. 65, National Sedimentation Laboratory research report -- no. 65.
    ContributionsWren, Daniel G., Alonso, Carlos (Carlos V.), National Sedimentation Laboratory (U.S.)
    The Physical Object
    Paginationxxviii, 278 p. :
    Number of Pages278
    ID Numbers
    Open LibraryOL25769201M
    OCLC/WorldCa712136055

    Goals / Objectives The primary objective of this work will be to update NRCS Technical Release No. 56 (TR56) ¿A Guide for Design and Layout of Vegetative Wave Protection for Earth Dam Embankments¿ with the results of the USDA-ARS, National Sedimentation Laboratory (NSL), Technical Report No. 65 ¿Experimental and Numerical Investigations of Floating Breakwater Performance¿. Experimental investigation of cylindrical floating breakwater performance with various mooring configurations Y Ozeren, DG Wren, M Altinakar, PA Work Journal of waterway, port, coastal, and ocean engineering (6), , Experimental and numerical investigations on dynamic response performance of a cable laying vessel in complex operating conditions Weilong Peng1,2, Lingling Gao1, Yang Wang1,2, Shiqiang Li1,2, Xutao He1,2 and Zhen Liu3,4 floating breakwaters were carried out, where the stiff-. Results. This study aims to investigate the hydrodynamic performance of floating PBRs in response to wave conditions. First, the effects of the experimental wave height (2–10 cm) and wave period (– s) on movement was investigated using two m 2 PBR models: a square PBR ( m/ m; length/width) and a rectangular PBR ( m/ m).Cited by: 3.


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Experimental and numerical investigations of floating breakwater performance by Yavuz Ozeren Download PDF EPUB FB2

Experimental and numerical investigations of floating breakwater performance Item Preview remove-circle Experimental and numerical investigations of floating breakwater performance by Ozeren, Yavuz; Wren, Pages: texts All Books All Texts latest This Just In Smithsonian Libraries FEDLINK (US) Genealogy Lincoln Collection.

Full text of "Experimental and numerical investigations of floating breakwater performance". Numerical and experimental investigation of hydrodynamic performance of a cylindrical dual pontoon-net floating breakwater Author links open overlay panel Chunyan Ji Yong Cheng Ke Yang Gaidai Oleg Show moreCited by: An innovative cylindrical dual pontoon-net floating breakwater (CDPNFB) is proposed.

A fully nonlinear NWT is established to simulate the interaction of regular waves and the innovative breakwater. The numerical model is verified with a series of corresponding experimental by: An experimental and numerical study of floating breakwaters. To examine the performance of the Experimental and numerical investigations of floating breakwater performance book, numerical analyses were carried out and compared to the experimental results.

Yagci, M. Sedat Kabdasli3D Experimental investigation of the structural response and the effectiveness of a moored floating breakwater with flexibly connected Cited by: 8.

Results of the experimental investigation illustrate that OWC device integration provides distinct benefits to the non-dimensional performance parameters of the floating breakwater in irregular.

Experimental Investigation of Cylindrical Floating Breakwater Performance with Various Mooring Configurations Article in Journal of Waterway Port Coastal and Ocean Engineering (6) Hence, floating breakwater is necessary to reduce wave heights in a specific location to minimize the impact of the waves, thereby providing safe environment for ships and increasing overall efficiency.

The first record of using floating structure as a breakwater dates back to the early19 th century. InGeneral Bentham, the Civil Cited by: 5.

A large number of experimental investigations have been undertaken to study the hydrodynamics of OWC-WECs. Experimental and numerical investigations of floating breakwater performance book and Altunkaynak carried out a flume experiment Experimental and numerical investigations of floating breakwater performance book a rectangular bottom-fixed OWC model, which was used to validate a mathematical vibration by: 2.

In spite of the large amount of literature on floating breakwaters, there is still a lack of knowledge on the performance of cylindrical breakwaters, which, as a result of their simplicity, can minimize construction and material costs.

Experimental studies are carried out in a two-dimensional wave flume ( m long, m wide and m deep) to investigate the performance of rectangular type submerged breakwater.

A set of experiments are carried out at 50 cm still water depth with fixed submerged breakwaters of three different heights (30 cm, 35 cm and 40 cm) for five different wave periods ( sec, sec, sec, 1.

Experimental and Numerical Investigations of Floating Breakwater Performance. Laboratory Publication. # Interpretive Summary: The earth levees commonly used for irrigation reservoirs are subjected to significant embankment erosion due to wind-generated waves.

Large seasonal fluctuations in water level make vegetative bank protection. This paper presents results from experimental and numerical investigations on the wave potential extraction of an energy conversion device subjected to regular waves in Experimental and numerical investigations of floating breakwater performance book water depth.

The device is based on a pontoon-type floating breakwater Cited by: 4. Experimental and Numerical Investigation of the Effect of Mooring Stiffness considered to perform very well.

The efficiency, or performance, of a floating breakwater is mainly expressed in terms of the transmission coefficient kt, numerical and experimental results. The floating breakwater chosen as the experimental subject is a dual rectangular pontoon floating breakwater.

The hydrodynamic behaviors of the floating breakwater are validated through the calculation of the wave transmission coefficients, the wave reflection coefficients, the motion responses of the floating breakwaters and Cited by: 2.

Two floating breakwater shapes, rectangular and circular, are used in the experimental and numerical investigations to validate that the model is capable of treating solid boundaries with complex.

A series of experimental studies are carried out to validate the performance of the floating body and verify the accuracy of the proposed numerical model.

The results are systematically assessed in terms of wave coefficients, mooring line forces, velocity streamlines and the 3-DOF motions of the floating breakwater. In this study, a perforated pontoon floating breakwater (FB) consisting of an impermeable plate and a perforated plate was designed to untangle the effect of a perforated plate on wave transmission and hydrodynamic performance of floating breakwater.

Numerical Investigation of Floating Breakwater Effect on Coastal Waves Attenuation by Smoothed Particle Hydrodynamics Method A.H.

Hojjati 1, N. Amanifard, M.A.L. Neshaei2, S. Dolati1 1Department of Mechanical Engineering, Campus international, Guilan University, Rasht, Iran 2Department of Mechanical Engineering, Guilan University, Rasht, IranFile Size: KB.

This article details on the numerical and experimental investigations carried out on the performance of zigzag porous screen breakwater. Results related to the wave amplification in front of the structure, wave reflection, and transmission, forces exerted by Cited by: 6.

A numerical and experimental assessment of the hydrodynamic performance of a moored twin-pontoon floating breakwater made up of either rectangular or circular section pontoons is presented.

The performance is described in terms of transmission and reflection coefficients, breakwater motions, and mooring line tensions. EXPERIMENTAL AND NUMERICAL THEORETICAL STUDY OF A BREAKWATER MOUNTED OWC WAVE ENERGY CONVERTER | To determine, through experimental and numerical investigation, the effect that integrating a Bent.

Experimental Study on the Hydrodynamic Performance of Floating Pontoon Type Breakwater With Skirt Walls S., and Ljubic, J. (Novem ). "Experimental Study on the Hydrodynamic Performance of Floating Pontoon Type Breakwater With Skirt Walls." What will be the effect on mooring forces.

In order to find solutions for these Cited by: 3. Nowadays, the application of floating breakwaters in small or recreational harbors has found more popularity. These types of breakwaters are more flexible in terms of design, configuration and especially installation compared with fixed breakwaters.

In the current study, the performance of floating breakwater (FBs) under regular waves was studied using the physical modeling method.

current study, the performance of floating breakwater (FBs) under regular waves was studied using the physical modeling method. For the modeling practice, a wave flume with a flap-type wave generator and progressive wave absorber was designed, constructed and used in order to investigate the performance Cited by: 2.

Experimental Investigation of Pile-Supported/Floating Breakwaters Integrated with Oscillating-Water-Column Converters. He Fang. School of Civil and Environmental Engineering. A thesis submitted to the Nanyang Technological University.

in partial fulfillment of the requirement for the degree of. Doctor of Philosophy. Numerical investigation of floating breakwater movement using SPH method The numerical results are in good agreement with the available experimental data in the literature The results of the movement of the floating body were used to determine the transmitted wave height at the corresponding boundary conditions Ozeren,Y., The numerical results were found to be in fairly good agreement with the experimental results.

From our experimental and numerical examples, it can be concluded that the submerged dual buoy/porous-membrane, if properly designed, can function as a very effective by: 1.

An experimental investigation on the hydrodynamic performance of a box-floating breakwater in different terrains is performed in a 2D wave flume under regular wave actions and irregular wave actions, respectively.

The wave transmission coefficients, motion responses and mooring forces are focused to validate the hydrodynamic performance of the box-floating : Jie Cui, Hui Liu, Xiaokang Deng, Shenghui Tao, Qian Li. Recent Applied Ocean Research Articles. Performance analysis of a floating breakwater integrated with multiple oscillating water column wave energy converters in regular and irregular seas.

Two-dimensional experimental and numerical investigations of perforated plates in oscillating flow. The profile of an floating breakwater is the key to the hydrodynamic properties of it. In this work, a new kind of an F-type floating breakwater is presented. Its profile is asymmetric and looks like the English letter “F.” We present both numerical and experimental findings on this F-type floating by: 1.

In the case of caissons and piles serving as anchors for floating offshore structures, the possibility of loss of embedment due to upward ratcheting of the anchor under cyclic loading is a particular concern.

This paper presents a finite-element investigation of a caisson subjected to cyclic lateral and inclined loading. EXPERIMENTAL STUDY ON A NEW TYPE FLOATING BREAKWATER L.H Cheng1, C.Y Fen1, Y.H Li 2 and W.Y Jiang 3 ABSTRACT: In the article, a new type floating breakwater is proposed based on comparing the performance of different kinds of floating breakwater that include pontoon type breakwater, scrap tire breakwater, mat float typeCited by: 1.

Experimental and Numerical investigation: To investigate the performance of the floating breakwater for the new type wave energy converter, experiments are carried out in a two-dimensional wave tank (Figure 1) at Nagoya University.

Using the numerical model, we are able to assess the hydrodynamic performance of a moored single and dual pontoon floating breakwaters in regular waves.

In particular, the effects of the mean wave drift force on the mooring system and wave attenuation characteristics are by: Recently, the integration of heaving-buoy WECs and floating breakwaters has become a topic of great research interest. Analytical studies on the hydrodynamic performance of the integrated WEC-breakwater were conducted and it was found that the peak efficiency can be achieved at 80% with a proper power take-off (PTO) [29,30].Cited by: 3.

Numerical and experimental studies expanded the parametric ranges of the buoys with different shapes [31 33]. It has also been pointed out that the rectangular box shape has a better energy converting capability combined with the necessary function to protect the harbor basin.

Figure 1. Schematic of heaving-buoy integrated floating by: 3. Experimental and numerical investigation of the hydrodynamic characteristics of submerged breakwaters in waves. The interactions between nonlinear, regular waves and submerged breakwaters with rectangular or trapezoidal cross-sections were investigated both experimentally and numerically in this article, with emphasis on the effect of the shape Cited by: 5.

Experimental and Numerical Investigations of Floating Breakwater Performance. Laboratory Publication.

#65 Predicting wind-driven waves in small reservoirs - (Peer Reviewed Journal) Ozeren, Y., Wren, D.G. Predicting wind-driven waves in small reservoirs.

Transactions of the ASABE. 52(4) Both numerical and experimental studies are also available for the catamaran shaped FB. The performance of such a structure was studied numerically by Isaacson et al.

[4]. He used an eigenfunction expansion method to perform the numerical calculation and used laboratory results to qualify the energy dissipation within the slotted barrier. Wave pressure pdf the wet surface of a V-shaped floating breakwater in random seas is pdf.

Considering the diffraction effect, the unit velocity potential caused by the single regular waves around the breakwater is solved using the finite-depth Green function and boundary element method, in which the Green function is solved by integral method.near shore zone.

In this paper, performance of impermeable trapezoidal submerged breakwater was investigated experimentally using regular waves.

In the experimental plan, for three submergence depths of breakwaters different wave groups were used File Size: KB.ebook The numerical model includes the ebook and mooring analyses, and it is validated by previous numerical and experimental results.

Using the numerical model, we are able to assess the hydrodynamic performance of a moored pontoon-type floating breakwater in regular waves. Numerical results are presented to show the effects of wave Cited by: