DK2677082T3 - Method for attenuation of underwater noise - Google Patents

Method for attenuation of underwater noise

Info

Publication number
DK2677082T3
DK2677082T3 DK13173106.9T DK13173106T DK2677082T3 DK 2677082 T3 DK2677082 T3 DK 2677082T3 DK 13173106 T DK13173106 T DK 13173106T DK 2677082 T3 DK2677082 T3 DK 2677082T3
Authority
DK
Denmark
Prior art keywords
attenuation
underwater noise
underwater
noise
Prior art date
Application number
DK13173106.9T
Other languages
Danish (da)
Inventor
Jörg Rustemeier
Raimund Rolfes
Tanja-Katrin Griessmann
Original Assignee
Cay Grunau Hydrotechnik Ingenieurbüro Grunau E K
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 Cay Grunau Hydrotechnik Ingenieurbüro Grunau E K filed Critical Cay Grunau Hydrotechnik Ingenieurbüro Grunau E K
Application granted granted Critical
Publication of DK2677082T3 publication Critical patent/DK2677082T3/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
    • E02B1/003—Mechanically induced gas or liquid streams in seas, lakes or water-courses for forming weirs or breakwaters; making or keeping water surfaces free from ice, aerating or circulating water, e.g. screens of air-bubbles against sludge formation or salt water entry, pump-assisted water circulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B01F23/23105—Arrangement or manipulation of the gas bubbling devices
    • B01F23/2312—Diffusers
    • B01F23/23124—Diffusers consisting of flexible porous or perforated material, e.g. fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B01F23/23105—Arrangement or manipulation of the gas bubbling devices
    • B01F23/2312—Diffusers
    • B01F23/23126—Diffusers characterised by the shape of the diffuser element
    • B01F23/231265—Diffusers characterised by the shape of the diffuser element being tubes, tubular elements, cylindrical elements or set of tubes
DK13173106.9T 2012-06-21 2013-06-20 Method for attenuation of underwater noise DK2677082T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012013443A DE102012013443A1 (en) 2012-06-21 2012-06-21 Bubble curtain generating device

Publications (1)

Publication Number Publication Date
DK2677082T3 true DK2677082T3 (en) 2017-11-06

Family

ID=48746231

Family Applications (1)

Application Number Title Priority Date Filing Date
DK13173106.9T DK2677082T3 (en) 2012-06-21 2013-06-20 Method for attenuation of underwater noise

Country Status (3)

Country Link
EP (1) EP2677082B1 (en)
DE (1) DE102012013443A1 (en)
DK (1) DK2677082T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112967706A (en) * 2021-03-12 2021-06-15 清研特材科技(洛阳)有限公司 Bubble curtain/foam board composite device for underwater sound absorption and noise reduction method
DE102021108670A1 (en) 2021-04-07 2022-10-13 Hydrotechnik Lübeck Gmbh Device for generating a bubble curtain

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8415461U1 (en) * 1984-05-21 1984-10-04 Deutsche Abwasser-Reinigungs-Gesellschaft mbH, 6200 Wiesbaden DIAPHRAGM AERATOR
DE9013851U1 (en) * 1990-10-05 1990-12-13 Envicon Luft- Und Wassertechnik Gmbh & Co Kg, 4220 Dinslaken, De
US7441754B2 (en) * 2005-10-28 2008-10-28 Smith & Loveless, Inc. Apparatus for introducing a gas into a body of liquid
CN101821206B (en) * 2007-10-10 2012-06-27 东丽株式会社 Fine bubble diffusing pipe, fine bubble diffusing device, and dipped type film separating device
DE102008017418B4 (en) * 2008-04-03 2010-08-19 Gottfried Wilhelm Leibniz Universität Hannover Device for reducing the transmission and propagation of sound and / or wave motions in a liquid
JP5366785B2 (en) * 2009-12-17 2013-12-11 株式会社クボタ Diffuser
WO2012034109A2 (en) * 2010-09-10 2012-03-15 Environmental Dynamics, Inc. Modular diffuser body and aeration system
DE102010048474A1 (en) * 2010-10-14 2012-04-19 Bernhard Weyres Apparatus and method for introducing piles into the seabed
CN201826334U (en) * 2010-10-18 2011-05-11 中国长江三峡集团公司 Air bubble curtain device

Also Published As

Publication number Publication date
DE102012013443A1 (en) 2013-12-24
EP2677082B1 (en) 2017-07-19
EP2677082A1 (en) 2013-12-25

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DK2677082T3 (en) Method for attenuation of underwater noise