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Saturday, July 18, 2020 | History

2 edition of Performance analysis of a tethered float breakwater found in the catalog.

Performance analysis of a tethered float breakwater

Richard J. Seymour

Performance analysis of a tethered float breakwater

by Richard J. Seymour

  • 270 Want to read
  • 5 Currently reading

Published by Institute of Marine Resources, University of California in La Jolla .
Written in English

    Subjects:
  • Breakwaters.

  • Edition Notes

    StatementRichard J. Seymour and Daniel M. Hanes.
    SeriesIMR reference -- no. 77-102., Sea grant publication / Institute of Marine Resources, University of California -- no. 55.
    ContributionsHanes, Daniel Martin, 1955-
    The Physical Object
    Pagination158 p. in various pagings :
    Number of Pages158
    ID Numbers
    Open LibraryOL17723622M

    Tethered Float i Turbulence Generator ± Flexible Membrane Sloping! Float I Jr Screen j Reflector! i Center-board I Caisson j Hybrid systems rely on the combination of reflection, transformation, and/or dissipation, applying them simultaneously and/or successively. Design Methodology Performance is usually estimated by several methods. Analysis and Design of Breakwater for Sea Water Intake Facility On South East Coast of India Jaykumar Shukla L&T- Sargent & Lundy, India geotechnical design and analysis for breakwater facility proposed for the site. The preliminary design of breakwater was carried out pump performance. Some protection would therefore have toAuthor: Jaykumar Shukla, Laxman Rajwani, Dhananjay Shah.

    The increasing importance of the sustainability challenge in o engineering has led to the development of free surface ocean structure of various configurations. In this study, the hydrodynamic characteristics of a perforated free surface, semicircular breakwater (SCB) are investigated for irregular wave conditions under the different water : Gang Jun Zhai, Zhe Ma, Hee Min Teh, Vengatesan Venugopal. 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.

    Design limits on critical float emergence in a tethered float breakwater / Daniel M. Hanes and Richard J. Seymour. La Jolla: Institute of Marine Resources, University of California, A2 no Investigation of the effects of bio-fouling on the performance of a tethered float breakwater / Richard J. Seymour and Daniel M. Hanes. INTRODUCTION. Interactions between waves, current and sediment transport are very complicated in the coastal and estuarine waters. Understanding these interactions has been of interests to coastal oceanography and engineering; e.g., coastal protection, land reclamation, dredging of deep water navigational channels, water quality management and ports .


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Performance analysis of a tethered float breakwater by Richard J. Seymour Download PDF EPUB FB2

An analytical model is described which succesfully predicted the performance of a tethered float breakwater configuration, given the incident wave spectrum. The methodology for selecting the arbitrary resistance coefficients in the predictive model is considered. The PT-Breakwater is a more effective wave-energy filter than a Tethered-Float Breakwater of equal size.

For open ocean conditions neither of these breakwaters has so far been proven to be economically feasible. performance analysis of a tethered float breakwater The report describes laboratory experiments at one-half scale using simulated random seas and field tests at full scale of an installation of a dynamic floating breakwater system in a limited fetch situation.

A program for commercial development of a tethered float breakwater for marine construction is suggested. INTRODUCTION The tethered float breakwater is a transportable wave protection system. Its almost complete independence of the bottom allows it to be installed in very deep water for open ocean by: 3.

This paper describes the performance characteristics of a stepped-slope floating breakwater used for wave protection in small ports and harbours. The test models. () and Seymour and Hanes () studied the performance of a tethered float breakwater (tethered float system), assuming that drag is the major contributor-factor for wave energy attenuation.

The system consists of independently tethered spherical floats, submerged just below the sea surface ( by: 4. Titles included are: Floating breakwaters--state of the art; Theoretical analysis of floating breakwater performance; The effect of surge, heave and pitch on the performance of a floating breakwater; Tethered float breakwaters; The performance of an offset breakwater configuration in wind-generated waves; A wave barrier concept; Development of Author: T Kowalski.

Floating Breakwater Design. Abstract. Floating breakwaters are inventoried. The various types are separated into 4 general categories, which are Box, Pontoon, Mat, and Tethered Float.

The Tethered Float was identified as a special category but lacked sufficient prototype experience for detailed analysis.

The floating breakwater comprises of two pontoons rigidly connected together and each of the pontoons having a row of cylinders attached beneath, for improved performance characteristics. The laboratory tests were conducted in both regular and random wave flumes to study the dynamic behavior of the by: 5.

Poor foundation: Floating breakwaters might be a proper solution where poor foundations possibilities prohibit the application of bottom supported breakwaters. Deep water: In water depths in excess of 6 m, bottom connected breakwaters are often more expensive than floating breakwaters.

Water quality. The PT-Breakwater is a more effective wave-energy filter than a Tethered-Float Breakwater of equal size. For open ocean conditions neither of these breakwaters has so far been proven to be economically feasible.}, doi = {}, journal = {}, number =, volume =, place = {United States}, year = {Thu Nov 01 EST }, month = {Thu Nov 01 EST } }.

The control of hydraulic performance of the floating breakwater by its geometry has been widely studied by different researchers [2–4]. McCartney [5] generally classified the floating breakwaters into four types, i.e. box, pontoon, mat and tethered float. These breakwaters modify the energy of the incident waves.

A study covering three specific designs for a tethered float breakwater and simple and legged versions of the sloping float (inclined pontoon) breakwater has resulted in improved definition of certain aspects of the logistic burden connected with Cited by: 1.

The preliminary design of engineering mitigation options depends on their location. The description of submerged and floating breakwaters includes recommendation for proper depth for their installation.

Two variants (depth 4 and 5 m) for the submerged breakwater and three variants (depth 6, 7, and 8 m) for the floating breakwater were investigated. 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 of by: 2.

Floating breakwaters. The basis of this article is especially written for the Coastal Wiki by the main author referred to at the bottom of this page. This article provides some basic insights in the application of floating breakwaters.

Floating breakwaters aim to protect against coastal erosion. 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 type.

This report describes the efforts at Naval Ocean Systems Center to design, fabricate and evaluate the Tethered Float Breakwater (TFB) Near-Shore Ocean Model.

It provides all basic engineering information from functional concept to on-site emplacement of a full-scale model. PERFORMANCE OF A CIRCULAR CROSS-SECTIONMOORED FLOATING BREAKWATERbyWESLEY NEAL in Mechanical EngineeringUniversity of Alberta, A THESIS SUBMITTED IN PARTIAL FULFILLMENT OFTHE REQUIREMENTS FOR THE DEGREE OFMASTER OF APPLIED SCIENCEinTHE FACULTY OF GRADUATE.

A study covering three specific designs for a tethered float breakwater and simple and legged versions of the sloping float (inclined pontoon) breakwater has resulted in improved definition of certain aspects of the logistic burden connected with transportable breakwaters in military operations.

Breakwater Design and Condition Assessment An evaluation of breakwater design following the June extreme storm in NSW, Australia Eng. Indra Jayewardene (Bsc (Eng), MSc (U of Florida),MIE Aust.MODELING A DYNAMIC BREAKWATER A. Wave Forces on a Tethered Float 25 1. The Mori son Equation 2.

Coefficients of Mass and Drag 3. Wave Forces in Two-Dimensional Flow B. Analysis of Buoy Response and Energy Dissipation 36 1. Frame of Reference 2. Tether Modeling 3. Equations of Motion 4.

Energy Dissipation C. Solution by Simulation 43 1. Numerical Cited by: 4. The hydrodynamic performance characteristics of a floating pipe breakwater (FPBW) model (row of pipes separated by a distance equivalent to the pipe diameter) moored to the flume floor with slack moorings has been investigated in random waves through an experimental programme.

The tests have been conducted on three models each with pipes of Cited by: 5.