EP2546829B1 - Dispositif de réduction du niveau sonore de sources sonores sous-marines - Google Patents

Dispositif de réduction du niveau sonore de sources sonores sous-marines Download PDF

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Publication number
EP2546829B1
EP2546829B1 EP12004900.2A EP12004900A EP2546829B1 EP 2546829 B1 EP2546829 B1 EP 2546829B1 EP 12004900 A EP12004900 A EP 12004900A EP 2546829 B1 EP2546829 B1 EP 2546829B1
Authority
EP
European Patent Office
Prior art keywords
reducing
enveloping element
alignment component
sound level
central alignment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP12004900.2A
Other languages
German (de)
English (en)
Other versions
EP2546829A3 (fr
EP2546829A2 (fr
Inventor
Andreas Prof. Dr. Dahmke
Constantin Prof. Dr. Kinias
Janina Ipsen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Christian Albrechts Universitaet Kiel
Fachhochschule Kiel
Original Assignee
Christian Albrechts Universitaet Kiel
Fachhochschule Kiel
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Christian Albrechts Universitaet Kiel, Fachhochschule Kiel filed Critical Christian Albrechts Universitaet Kiel
Publication of EP2546829A2 publication Critical patent/EP2546829A2/fr
Publication of EP2546829A3 publication Critical patent/EP2546829A3/fr
Application granted granted Critical
Publication of EP2546829B1 publication Critical patent/EP2546829B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
    • E02D13/005—Sound absorbing accessories in piling

Definitions

  • the invention relates to a device for reducing the sound level of local underwater sound sources.
  • the medium of water is a good acoustic sound conductor over a wide frequency range.
  • ultrasound sources can be detected over hundreds of kilometers from the place of origin, given good propagation conditions and well selected propagation frequencies.
  • bladder veils are formed by perforated hose assemblies that are wrapped around the pile at a small distance and continuously supplied with compressed air. For work in deeper water depth several hose or pipe structures are superimposed at short intervals and mechanically stabilized.
  • DE 10 2004 043 128 A1 discloses a device which is placed around underwater piles to reduce the sound pressure level generated by pile impacts.
  • This device comprises a wrapping element consisting of two textile curtains fastened with a nozzle arrangement to form a bubble curtain between the textile curtains.
  • the nozzle assembly has a ballast mass to pull the textile curtains in the vertical.
  • the invention has for its object to provide a device for reducing the sound level local underwater noise sources, which allows a high degree of damping even with unfavorable flow and sea surface wave ratios.
  • the central alignment component (1) is a drill pipe, with the holding piles for offshore installations in the seabed be introduced.
  • this central alignment component (1) is formed by the retaining piles themselves.
  • the wrapping element (2) may in a first possible embodiment be a net, in which very particularly preferably in the vertical direction gas-filled tubes with openings (4, 5) are threaded for dispensing of this gaseous substance.
  • the wrapping element (2) is designed as a woven fabric, very particularly preferably as a plastic fabric. It represents a very particularly preferred embodiment of the invention, when this plastic fabric as a wrapping element (2) forms a closed body very particularly preferably in the form of a symmetrical cylinder ring around the central alignment component (1).
  • a cylinder ring proposed in this way extends down from the base floor (8) to the waterline (7) (see FIG FIG. 3 ).
  • such a cylinder ring may have inside openings (5) for discharging the gaseous substance and / or outside openings (4) for discharging the gaseous substance.
  • compressed air is used as the gas, which is generated locally as mechanically filtered ambient air, ie at the place of use of the device according to the invention.
  • the means (3) for spaced alignment of the wrapping element (2) comprise chain-like interconnected elements suitable for forming a stretchable, extensible guide for the sound level reducing wrapping element (2).
  • the link elements interconnected in a chain-like manner are capable of forming at least one retaining spindle, said retaining spindle being helically oriented around the central alignment component (1) along its longitudinal axis. Due to the chain-like connection of the link elements, this holding spindle can then be stretched or compressed accordion-like in its extent along the longitudinal axis of the central alignment component (1), for which the individual link elements of the holding spindle folded toward each other accordingly FIG. 2 or unfolded away from each other accordingly FIG. 3 become.
  • the link elements have prestressed spring elements within their mutual chain-like connection.
  • the problem underlying the invention is accordingly solved in the context of an exemplary embodiment, by a holding pole as a central alignment component (1) a water-impermeable, to be filled with air plastic fabric envelope (2) in the form of a closed body - particularly preferably simply in a cylindrical shape - Is constructed, wherein the plastic fabric envelope (2) the holding pile (1) from Ground floor (8) to the upper water line (7) separates medium.
  • Medium-separating means that outside of the cylinder ring, formed from the air-filled plastic fabric envelope as sound level reducing cladding element (2), seawater is present, while within the cylinder ring around the support pole as a central alignment component (1) removes the water depending on the embodiment can be, with what only air is present, or the water within the cylinder ring is at least decoupled from any flow of water outside the cylinder ring.
  • the plastic fabric sleeve (2) which here forms the sound level reducing sheath element (2), is folded before its installation around the folded link elements (3) in the hull (9).
  • a barrier (10) opens on the underside of the hull (9) and by means of spring elements connected to the link elements (3), the plastic fabric sheath (2), designed as an inflatable, double-walled shell in a cylindrical shape be extended, whereby this along the entire length of the holding pile (1) is constructed.
  • the plastic fabric sleeve (2) which then separates the holding pile (1) medium from the sea water, with inside holes (5) are provided by the compressor (6) air is pressed, so that the directly on the soundproof wall from the bottom floor (8 ) up to the waterline (7) ascending bubbles forms a close-fitting, ascending bladder wall, which, unaffected by sea water movements, causes an additional reduction of the sound level.
  • the same plastic fabric sleeve (2) forming the protective baffle may also be additionally or alternatively provided with outboard holes (4) through which air is forced resulting in additional attenuation of the sound level.
  • the externally formed bladder curtain which rests directly against the plastic fabric envelope (2), is more stable than prior art prior art constructions vis-a-vis an existing ocean current as contiguous bubble curtain.
  • a further exemplary embodiment according to the invention provides that the protective baffle does not consist of the total space filled with air between the holding pile (1) and the plastic fabric envelope (2), but is designed as a sandwich construction, in which to be eingurammenden holding pile (1), or around the drill string, water is applied, and in which at a certain distance an air-filled double wall is established - which thus consists of a filled with air and a layer of water - in its inner and outer shell in turn a plurality of inside holes (5 ) and outside holes (4) are introduced, can be pressed through the air.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Revetment (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Claims (10)

  1. Dispositif pour diminuer le niveau sonore de sources sonores sous-marines, avec
    - un élément de gainage (2) réduisant le niveau sonore qui présente des ouvertures (4, 5) pour délivrer une substance gazeuse,
    - un composant d'alignement central (1) pour l'élément de gainage (2),
    - des moyens (3) pour l'alignement à distance de l'élément de gainage (2) le long du composant d'alignement central (1),
    caractérisé en ce que
    - des moyens (3) pour l'alignement à distance de l'élément de gainage (2) comprennent des membres reliés ensemble à la façon d'une chaîne et qui sont conçus pour former un guide extensible en accordéon pour l'élément de gainage (2) réduisant le niveau sonore.
  2. Dispositif selon la revendication 1, caractérisé en ce que le composant d'alignement central (1) est un poteau de soutien pour installation offshore à enfoncer dans le fond marin.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que l'élément de gainage (2) réduisant le niveau sonore est un tissu en matière plastique.
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que le dispositif comprend un corps fermé formé par l'élément de gainage (2) sous la forme d'un anneau cylindrique symétrique autour du composant d'alignement central (1).
  5. Dispositif selon la revendication 4, caractérisé en ce que l'anneau cylindrique présente des ouvertures (5) intérieures pour délivrer une substance gazeuse.
  6. Dispositif selon l'une des revendications 4 et 5, caractérisé en ce que l'anneau cylindrique présente des ouvertures (4) extérieures pour délivrer une substance gazeuse.
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que la substance gazeuse est de l'air comprimé.
  8. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que le dispositif comprend une broche de retenue hélicoïdale autour du composant d'alignement central (1) orientée le long de son axe longitudinal et constituée des membres reliés ensemble à la façon d'une chaîne.
  9. Dispositif selon la revendication 8, caractérisé en ce que tous les membres de la broche de retenue sont conçus pour pouvoir être repliés les uns sur les autres et écartés les uns des autres.
  10. Dispositif selon l'une des revendications 1 à 9, caractérisé en ce que les membres comprennent des éléments ressort précontraints à l'intérieur de leur liaison mutuelle de type chaîne.
EP12004900.2A 2011-07-11 2012-06-29 Dispositif de réduction du niveau sonore de sources sonores sous-marines Not-in-force EP2546829B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011107529 2011-07-11

Publications (3)

Publication Number Publication Date
EP2546829A2 EP2546829A2 (fr) 2013-01-16
EP2546829A3 EP2546829A3 (fr) 2015-01-28
EP2546829B1 true EP2546829B1 (fr) 2016-03-23

Family

ID=46507839

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12004900.2A Not-in-force EP2546829B1 (fr) 2011-07-11 2012-06-29 Dispositif de réduction du niveau sonore de sources sonores sous-marines

Country Status (2)

Country Link
EP (1) EP2546829B1 (fr)
DK (1) DK2546829T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3092636B1 (fr) 2014-01-06 2020-07-15 Board of Regents, The University of Texas System Appareil de réduction des bruits sous marins et système de déploiement

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2923756C (fr) 2013-09-24 2018-09-18 Preston Wilson Panneau de reduction de bruit sous-marin et structure de resonateur
JP6333997B2 (ja) * 2014-01-06 2018-05-30 ウォクナー、マーク、エス． 水中ノイズ低減装置および展開システム
GB201401461D0 (en) * 2014-01-28 2014-03-12 Lawson Cameron J Method & apparatus for underwater sound control
DE102016220813A1 (de) * 2016-10-24 2018-04-26 Contitech Schlauch Gmbh Länglicher Hohlkörper, insbesondere Schlauch
DE102017117552B4 (de) * 2017-08-02 2023-06-29 Karl-Heinz ELMER Wasserfahrzeug und Druckluftverteileinrichtung
EP4094251B1 (fr) 2020-01-21 2025-12-17 ADBM Corp. Atténuation simultanée de hautes fréquences et amplification de basses fréquences de sons sous-marins
CN114613348A (zh) * 2022-03-11 2022-06-10 吉林大学 基于鲸鱼算法的主动噪声控制算法的步长和阶数选取方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60159218A (ja) * 1984-01-28 1985-08-20 Ishikawajima Harima Heavy Ind Co Ltd パイルハンマ−用遮音装置
DE102004043128A1 (de) * 2004-09-03 2006-03-09 Menck Gmbh Pfahlführungsvorrichtung
DE102008017418B4 (de) * 2008-04-03 2010-08-19 Gottfried Wilhelm Leibniz Universität Hannover Vorrichtung zur Reduzierung der Übertragung und Ausbreitung von Schall und/oder Wellenbewegungen in einer Flüssigkeit
NL2003073C2 (nl) * 2009-06-23 2010-12-27 Ihc Holland Ie Bv Inrichting en werkwijze voor het reduceren van geluid.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3092636B1 (fr) 2014-01-06 2020-07-15 Board of Regents, The University of Texas System Appareil de réduction des bruits sous marins et système de déploiement

Also Published As

Publication number Publication date
EP2546829A3 (fr) 2015-01-28
EP2546829A2 (fr) 2013-01-16
DK2546829T3 (en) 2016-06-06

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