KR20130122211A - Procting method for marine life - Google Patents

Procting method for marine life Download PDF

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Publication number
KR20130122211A
KR20130122211A KR1020120045363A KR20120045363A KR20130122211A KR 20130122211 A KR20130122211 A KR 20130122211A KR 1020120045363 A KR1020120045363 A KR 1020120045363A KR 20120045363 A KR20120045363 A KR 20120045363A KR 20130122211 A KR20130122211 A KR 20130122211A
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underwater
wind power
acoustic damper
support pile
power generation
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KR1020120045363A
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Korean (ko)
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이종화
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주식회사 나루이엠에스
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Publication of KR20130122211A publication Critical patent/KR20130122211A/en

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/52—Submerged foundations, i.e. submerged in open water
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/02—Placing by driving
    • 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
    • G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid flow
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1823—Rotary generators structurally associated with turbines or similar engines
    • H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00—Geometrical or physical properties
    • E02D2200/16—Shapes
    • E02D2200/1685—Shapes cylindrical
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00—Maritime or waterways transport
    • Y02T70/50—Measures to reduce greenhouse gas emissions related to the propulsion system
    • Y02T70/5218—Less carbon-intensive fuels, e.g. natural gas, biofuels
    • Y02T70/5236—Renewable or hybrid-electric solutions

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Wind Motors (AREA)

Abstract

The present invention relates to an underwater noise reduction and marine organism protection method using an underground acoustic damper having a bubble or gas pocket in the underground installation of an offshore wind power plant supporting structure to prevent structure-borne sound during support pile driving from being delivered to the sea with a scattering action due to impedance discontinuities by generating bubbles on the lower circumference of a support pile (1) and forming a bubble curtain (B1) to surround the support pile with the rising bubbles.

Description

해양풍력 발전용 지지구조물 수중 설치에 있어서 버블 또는 개스 포켓이 구비된 수중 음향 댐퍼를 이용한 수중 소음 저감 및 해양 생명체 보호 방법 { Procting Method For Marine Life } Support Structure for Offshore Wind Power Generation Method for Reducing Underwater Noise and Protecting Marine Life Using Underwater Acoustic Damper with Bubble or Gas Pocket in Underwater Installation {Procting Method For Marine Life}

본 발명은 해양풍력 발전용 지지구조물 수중 설치에 있어서 버블 또는 개스 포켓이 구비된 수중 음향 댐퍼를 이용한 수중 소음 저감 및 해양 생명체 보호 방법에 관한 것이다. The present invention relates to a method for reducing underwater noise and protecting marine life using an underwater acoustic damper equipped with a bubble or gas pocket in the installation of a support structure for offshore wind power generation.

종래 기술에 의하여 해양풍력 발전용 설비를 지지하는 파일을 수중에 심는 경우 항타 소음에 의하여 수중 생물(예를들어, 고래, 주변 양식장의 양어)이 소음 피해를 입는 문제점이 있었다.According to the prior art, when planting a pile supporting the marine wind power plant in the water, there was a problem that the aquatic organisms (for example, whales, fish farms of the surrounding farms) are damaged by the driving noise.

본 발명은 해양풍력 발전용 설비를 지지하는 지지파일(Support Pile)을 드라이빙 하는 항타(杭打, Pile Driving) 과정에서, 지지파일(1, Pile)의 둘레에 버블 또는 수중 음향 댐퍼를 설치하여 지지파일(Support Pile)을 둘러싸는 버블 커텐(B1)을 형성하여 임피던스 불연속에 의한 스캐터링 작용으로 항타시 발생하는 구조 기인 소음((Structure Born Sound))의 수중 전파(Underwater Propagation)를 차단하는 것을 특징으로 하는 해양풍력 발전용 지지구조물 수중 설치에 있어서 버블 또는 개스 포켓이 구비된 수중 음향 댐퍼를 이용한 수중 소음 저감 및 해양 생명체 보호 방법을 제공하기 위한 것이다.The present invention is supported by installing a bubble or underwater acoustic damper around the support pile (1, Pile) in the process of driving the pile driving the support pile for supporting the facility for offshore wind power generation (1, Pile) Forming a bubble curtain (B1) surrounding the pile (Support Pile) to block the underwater propagation of (Structure Born Sound) due to the scattering action due to the impedance discontinuity (Structure Born Sound) The present invention provides a method of reducing underwater noise and protecting marine life using an underwater acoustic damper provided with a bubble or gas pocket in the installation of a support structure for marine wind power generation.

본 발명의 해양풍력 발전용 지지구조물 수중 설치에 있어서 버블 또는 개스 포켓이 구비된 수중 음향 댐퍼를 이용한 수중 소음 저감 및 해양 생명체 보호 방법은, 해양풍력 발전용 설비를 지지하는 지지파일(Support Pile)을 드라이빙 하는 항타(杭打, Pile Driving) 과정에서,In the underwater installation of the support structure for offshore wind power generation according to the present invention, a method for reducing underwater noise and protecting marine life using an underwater acoustic damper equipped with a bubble or gas pocket includes a support pile supporting a facility for offshore wind power generation. In the driving process of pile driving,

상기 지지파일(1, Pile)의 하부 둘레에서 버블을 발생시켜서 상승하는 버블이 상기 지지파일(Support Pile)을 둘러싸는 버블 커텐(B1)을 형성하여 임피던스 불연속에 의한 스캐터링 작용으로 항타시 발생하는 구조 기인 소음((Structure Born Sound))의 수중 전파(Underwater Propagation)를 차단하는 것을 특징으로 한다.Bubbles rising by generating bubbles around the lower portion of the support pile 1 form a bubble curtain B1 surrounding the support pile, thereby generating a scattering action due to the scattering of impedance. It is characterized by blocking the underwater propagation of (Structure Born Sound) due to the structure.

본 발명에 따르는 경우 해양풍력 발전용 설비를 지지하는 지지파일(Support Pile)을 드라이빙 하는 항타(杭打, Pile Driving) 과정에서, 지지파일(1, Pile)의 둘레에 버블 또는 수중 음향 댐퍼를 설치하여 지지파일(Support Pile)을 둘러싸는 버블 커텐(B1)을 형성하여 임피던스 불연속에 의한 스캐터링 작용으로 항타시 발생하는 구조 기인 소음(Structure Born Sound)의 수중 전파(Underwater Propagation)를 차단하는 것을 특징으로 하는 해양풍력 발전용 지지구조물 수중 설치에 있어서 버블 또는 개스 포켓이 구비된 수중 음향 댐퍼를 이용한 수중 소음 저감 및 해양 생명체 보호 방법이 제공된다.According to the present invention, in the process of driving a pile driving a support pile supporting a facility for offshore wind power generation, a bubble or underwater acoustic damper is installed around the support pile 1. By forming a bubble curtain (B1) surrounding the support pile to block underwater propagation of the structure born sound caused by the scattering action due to impedance discontinuity Provided are a method for reducing underwater noise and protecting marine life using an underwater acoustic damper equipped with a bubble or gas pocket in the installation of a supporting structure for marine wind power generation.

도 1은 제어되지 않은 상태의 항타 소음.
도 2는 본 발명의 일실시예에 따른 수중 음향 커텐 개략도.
도 3은 본 발명의 일실시예에 따른 버블 커텐 의한 소음 차단 효과(실시 효과).
도 4는 본 발명의 일실시예에 따른 수중 음향 커텐에 의한 소음 차단 효과(실시 효과).1 is driving noise in an uncontrolled state;
2 is a schematic diagram of an underwater acoustic curtain according to an embodiment of the present invention.
Figure 3 is a noise shielding effect (implementation effect) by the bubble curtain according to an embodiment of the present invention.
4 is a noise blocking effect (implementation effect) by the underwater acoustic curtain according to an embodiment of the present invention.

이하에서 본 발명의 일실시예에 따른 해양풍력 발전용 지지구조물 수중 설치에 있어서 버블 또는 개스 포켓이 구비된 수중 음향 댐퍼를 이용한 수중 소음 저감 및 해양 생명체 보호 방법에 대하여 첨부된 도면을 참조하여 상세하게 설명한다.
Hereinafter, a method for reducing underwater noise and protecting marine life using an underwater acoustic damper having a bubble or a gas pocket in the installation of a supporting structure for marine wind power generation according to an embodiment of the present invention will be described in detail. Explain.

도 2에 도시된 바와 같이 본 발명의 일실시예에 따른 해양풍력 발전용 지지구조물 수중 설치에 있어서, 버블 또는 개스 포켓이 구비된 수중 음향 댐퍼를 이용한 수중 소음 저감 및 해양 생명체 보호 방법은, 해양풍력 발전용 설비를 지지하는 지지파일(Support Pile)을 드라이빙 하는 항타(杭打, Pile Driving) 과정에서, 상기 지지파일(1, Pile)의 하부 둘레에서 버블을 발생시켜서 상승하는 버블이 상기 지지파일(Support Pile)을 둘러싸는 버블 커텐(B1)을 형성하여 임피던스 불연속에 의한 스캐터링 작용으로 항타시 발생하는 구조 기인 소음((Structure Born Sound))의 수중 전파(Underwater Propagation)를 차단하는 것을 특징으로 한다.
As shown in FIG. 2, in the underwater installation of the support structure for offshore wind power generation according to an embodiment of the present invention, an underwater noise reduction method and a marine life protection method using an underwater acoustic damper having a bubble or a gas pocket are provided. In a pile driving process for driving a support pile for supporting a power generation facility, a bubble rising by generating a bubble around a lower portion of the support pile 1 is piled up in the support pile ( Forming a bubble curtain (B1) surrounding the support pile to block the underwater propagation of (Structure Born Sound) due to the scattering action due to the impedance discontinuity (Structure Born Sound) .

도 2에 도시된 바와 같이 본 발명의 일실시예에 따른 해양풍력 발전용 지지구조물 수중 설치에 있어서, 해양풍력 발전용 설비를 지지하는 지지파일(Support Pile)을 드라이빙 하는 항타(Pile Driving) 과정에서, 상기 지지파일(Pile)의 둘레를 복수의 개스 포켓(10)이 구비된 수중 음향 댐퍼(100)로써 둘러쌈으로써, 항타시 발생하는 구조 기인 소음(Structure Born Sound)의 수중 전파(Underwater Propagation)를 차단하는 것을 특징이다.
As shown in Figure 2 in the installation of the support structure for offshore wind power generation according to an embodiment of the present invention, in the driving process (Pile Driving) driving a support pile (Support Pile) for supporting the facility for offshore wind power generation Underwater Propagation of Structure Born Sound by Surrounding the Periphery of the Support Pile with an Underwater Acoustic Damper 100 with a plurality of Gas Pockets 10. It is characterized by blocking the.

도 2에 도시된 바와 같이 본 발명의 일실시예에 따른 해양풍력 발전용 지지구조물 수중 설치에 있어서, 수중 음향 댐퍼(100)는, 상부개방부(11)와 하부개방부(12)가 형성되고 둘레를 따라 폐곡선을 형성하면서 상하로 길게 중공의 통상으로 형성되는 그물망(10)과, 상기 그물망(10)에 매달린 복수개의 개스 포켓(20)과, 상기 그물망(10)의 하부 테두리를 해저면에 고정하는 고정수단(30)을 포함하여 구성된다.
As shown in FIG. 2, in the underwater installation of the support structure for offshore wind power generation according to an embodiment of the present invention, the underwater acoustic damper 100 includes an upper open portion 11 and a lower open portion 12. While forming a closed curve along the circumference, the net 10 is formed in a hollow, vertically long, a plurality of gas pockets 20 suspended on the net 10, and the lower edge of the net 10 to the sea bottom It comprises a fixing means for fixing (30).

도 2에 도시된 바와 같이 본 발명의 일실시예에 따른 해양풍력 발전용 지지구조물 수중 설치에 있어서, 그물망(10)에 공명수단(미도시)이 더 구비되고, 공명수단(40)은 100~300Hz 범위의 공명 주파수를 갖는 것이 바람직하다.
As shown in FIG. 2, in the underwater installation of the support structure for offshore wind power generation according to an embodiment of the present invention, a resonating means (not shown) is further provided in the mesh 10, and the resonating means 40 is 100 to 100. It is desirable to have a resonance frequency in the 300 Hz range.

도 2에 도시된 바와 같이 본 발명의 일실시예에 따른 해양풍력 발전용 지지구조물 수중 설치에 있어서, 그물망(10)에 외부 형상의 타원체 내지 구형을 이루는 복수의 구슬체(50)를 더 포함하여 구성되는 것이 바람직하다.
As shown in FIG. 2, in the installation of the support structure for offshore wind power generation according to an embodiment of the present invention, the network 10 further includes a plurality of bead bodies constituting ellipsoids or spheres of an outer shape. It is preferred to be configured.

도 2에 도시된 바와 같이 본 발명의 일실시예에 따른 해양풍력 발전용 지지구조물 수중 설치에 있어서, 그물망(10)은, 지지파일(1)의 폭보다 더 큰 폭을 갖으면서 지지파일을 1차로 둘러싸는 제1 그물망(10)과, 제1 그물망(10)보다 더 큰 폭을 가지면서 상기 제1 그물망(10)을 둘러싸는 음향 댐핑 수단이 구비된 제2 그물망(미도시)으로 구성되어, 지지파일을 위한 항타 소음이 2중으로 차단되는 것이 바람직하다. 이때 수중 음향 댐퍼(100)의 주위를 제1항의 버블 커텐(B1)이 더 형성되는 것이 바람직하다.
As shown in FIG. 2, in the underwater installation of the support structure for offshore wind power generation according to an embodiment of the present invention, the mesh 10 has a support pile 1 having a width larger than that of the support pile 1. A first mesh 10 surrounded by a car and a second mesh (not shown) having a larger width than the first mesh 10 and provided with acoustic damping means surrounding the first mesh 10. For example, it is desirable that the driving noise for the support pile be doubled. At this time, it is preferable that the bubble curtain B1 of claim 1 is further formed around the underwater acoustic damper 100.

도시된 바와 같이, 지지파일(1)은 중공부가 형성되는 원통이고, 상기 지지파일의 중공부에 제3 수중 음향 댐퍼(미도시)가 더 구비되고, 지지파일(1)에 근접한 해저면을 덮는 제2 수중 음향 댐퍼(미도시)를 더 포함하여 구성되는 것이 바람직하다.
As shown, the support pile 1 is a cylinder in which a hollow portion is formed, and a third underwater acoustic damper (not shown) is further provided in the hollow portion of the support pile, and covers the sea bottom near the support pile 1. It is preferably configured to further include a second underwater acoustic damper (not shown).

도 3은 본 발명의 일실시예에 따른 버블 커텐 의한 소음 차단 효과(실시 효과)이다. 종축은 영역별 주파수이며 횡축은 버블 커텐에 의한 소음감소 효과를 보인다. 1000 Hz 이상의 고주파 영역에서 큰 감쇠 효과를 보인다.
3 is a noise blocking effect (implementation effect) by the bubble curtain according to an embodiment of the present invention. The vertical axis shows the frequency of each region, and the horizontal axis shows the noise reduction effect by bubble curtain. The high attenuation effect is shown in the high frequency region over 1000 Hz.

도 4는 본 발명의 일실시예에 따른 수중 음향 커텐에 의한 소음 차단 효과(실시 효과)이다. 종축은 영역별 주파수이며 횡축은 버블 커텐에 의한 소음감소 효과를 보인다. 100 Hz 이상의 중저주파 영역에서 큰 감쇠 효과를 보인다.
Figure 4 is a noise blocking effect (executive effect) by the underwater acoustic curtain according to an embodiment of the present invention. The vertical axis shows the frequency of each region, and the horizontal axis shows the noise reduction effect by bubble curtain. It shows a large attenuation effect in the mid and low frequency region above 100 Hz.

본 발명은 상기에서 언급한 바람직한 실시예와 관련하여 설명됐지만, 본 발명의 범위가 이러한 실시예에 한정되는 것은 아니며, 본 발명의 범위는 이하의 특허청구범위에 의하여 정하여지는 것으로 본 발명과 균등 범위에 속하는 다양한 수정 및 변형을 포함할 것이다.While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but on the contrary, ≪ RTI ID = 0.0 > and / or < / RTI >

아래의 특허청구범위에 기재된 도면부호는 단순히 발명의 이해를 보조하기 위한 것으로 권리범위의 해석에 영향을 미치지 아니함을 밝히며 기재된 도면부호에 의해 권리범위가 좁게 해석되어서는 안될 것이다.It is to be understood that the appended claims are intended to supplement the understanding of the invention and should not be construed as limiting the scope of the appended claims.

10 : 그물망
11 : 상부개방부
12 : 하부개방부
20 : 개스 포켓
30 : 고정수단10: netting
11: upper opening
12: lower opening part
20: gas pocket
30: fixing means

Claims (8)

해양풍력 발전용 설비를 지지하는 지지파일(Support Pile)을 드라이빙 하는 항타(杭打, Pile Driving) 과정에서,
상기 지지파일(1, Pile)의 하부 둘레에서 버블을 발생시켜서 상승하는 버블이 상기 지지파일(Support Pile)을 둘러싸는 버블 커텐(B1)을 형성하여 임피던스 불연속에 의한 스캐터링 작용으로 항타시 발생하는 구조 기인 소음((Structure Born Sound))의 수중 전파(Underwater Propagation)를 차단하는 것을 특징으로 하는 해양풍력 발전용 지지구조물 수중 설치에 있어서 버블 또는 개스 포켓이 구비된 수중 음향 댐퍼를 이용한 수중 소음 저감 및 해양 생명체 보호 방법.In the process of driving a pile driving a support pile supporting an offshore wind power plant,
Bubbles rising by generating bubbles around the lower portion of the support pile 1 form a bubble curtain B1 surrounding the support pile, thereby generating a scattering action due to the scattering of impedance. In the installation of the support structure for offshore wind power generation, characterized in that it blocks the underwater propagation of the structure-borne noise ((Structure Born Sound)), it is possible to reduce the underwater noise by using the underwater acoustic damper with bubble or gas pocket. How to protect marine life. 해양풍력 발전용 설비를 지지하는 지지파일(Support Pile)을 드라이빙 하는 항타(Pile Driving) 과정에서,
상기 지지파일(Pile)의 둘레를 복수의 개스 포켓(10)이 구비된 수중 음향 댐퍼(100)로써 둘러쌈으로써, 항타시 발생하는 구조 기인 소음(Structure Born Sound)의 수중 전파(Underwater Propagation)를 차단하는 것을 특징으로 하는 해양풍력 발전용 지지구조물 수중 설치에 있어서 버블 또는 개스 포켓이 구비된 수중 음향 댐퍼를 이용한 수중 소음 저감 및 해양 생명체 보호 방법.In the driving process of driving a support pile for supporting the offshore wind power plant,
By surrounding the periphery of the support pile (Pile) with a water acoustic damper 100 provided with a plurality of gas pockets 10, Underwater Propagation of Structure Born Sound generated due to the driving A method of reducing underwater noise and protecting marine life using an underwater acoustic damper provided with a bubble or gas pocket in the installation of a support structure for offshore wind power generation, characterized in that it is blocked. 제2항에 있어서,
상기 수중 음향 댐퍼(100)는,
상부개방부(11)와 하부개방부(12)가 형성되고 둘레를 따라 폐곡선을 형성하면서 상하로 길게 중공의 통상으로 형성되는 그물망(10)과,
상기 그물망(10)에 매달린 복수개의 개스 포켓(20)과,
상기 그물망(10)의 하부 테두리를 해저면에 고정하는 고정수단(30)을 포함하여 구성되는 것을 특징으로 하는 해양풍력 발전용 지지구조물 수중 설치에 있어서 개스 포켓이 구비된 수중 음향 댐퍼를 이용한 수중 소음 저감 및 해양 생명체 보호 방법.3. The method of claim 2,
The underwater acoustic damper 100,
The upper open portion 11 and the lower open portion 12 is formed and the net 10 is usually formed of a hollow usually up and down while forming a closed curve along the circumference,
A plurality of gas pockets 20 suspended from the mesh 10,
Underwater noise using an underwater acoustic damper provided with a gas pocket in the installation of the support structure for marine wind power generation, characterized in that it comprises a fixing means 30 for fixing the lower edge of the net 10 to the sea bottom Mitigation and protection of marine life. 제3항에 있어서,
상기 그물망(10)에 공명수단(미도시)이 더 구비되고,
상기 공명수단(미도시)은 100~300Hz 범위의 공명 주파수를 갖는 것을 특징으로 하는 해양풍력 발전용 지지구조물 수중 설치에 있어서 개스 포켓이 구비된 수중 음향 댐퍼를 이용한 수중 소음 저감 및 해양 생명체 보호 방법.The method of claim 3,
Resonance means (not shown) is further provided in the mesh 10,
The resonance means (not shown) has a resonance frequency in the range of 100 ~ 300Hz in the installation of the support structure for offshore wind power generation, underwater noise reduction and marine life protection method using an underwater acoustic damper provided with a gas pocket. 제3항에 있어서,
상기 그물망(10)에 외부 형상의 타원체 내지 구형을 이루는 복수의 구슬체(50)를 더 포함하여 구성되는 것을 특징으로 하는 해양풍력 발전용 지지구조물 수중 설치에 있어서 개스 포켓이 구비된 수중 음향 댐퍼를 이용한 수중 소음 저감 및 해양 생명체 보호 방법.The method of claim 3,
Underwater acoustic damper provided with a gas pocket in the installation of the support structure for offshore wind power generation, characterized in that it further comprises a plurality of beads (50) forming an ellipsoid or spherical shape of the outer shape in the mesh (10) How to reduce underwater noise and protect marine life. 제3항에 있어서,
상기 그물망(10)은,
지지파일(1)의 폭보다 더 큰 폭을 갖으면서 지지파일을 1차로 둘러싸는 제1 그물망(10)과,
상기 제1 그물망(10)보다 더 큰 폭을 가지면서 상기 제1 그물망(10)을 둘러싸는 음향 댐핑 수단이 구비된 제2 그물망(미도시)으로 구성되어,
지지파일을 위한 항타 소음이 2중으로 차단되는 것을 특징으로 하는 해양풍력 발전용 지지구조물 수중 설치에 있어서 개스 포켓이 구비된 수중 음향 댐퍼를 이용한 수중 소음 저감 및 해양 생명체 보호 방법.The method of claim 3,
The mesh 10 is,
A first mesh 10 having a width larger than the width of the support pile 1 and primarily surrounding the support pile,
It is composed of a second net (not shown) having a larger width than the first net 10 and provided with acoustic damping means surrounding the first net 10,
A method of reducing underwater noise and protecting marine life using an underwater acoustic damper with a gas pocket in the installation of a supporting structure for offshore wind power generation, characterized in that the driving noise for the support pile is blocked in two. 제3항에 있어서,
상기 수중 음향 댐퍼(100)의 주위를 제1항의 버블 커텐(B1)이 더 형성되는 것을 특징으로 하는 해양풍력 발전용 지지구조물 수중 설치에 있어서 개스 포켓이 구비된 수중 음향 댐퍼를 이용한 수중 소음 저감 및 해양 생명체 보호 방법.The method of claim 3,
Reduction of underwater noise using an underwater acoustic damper equipped with a gas pocket in the installation of the support structure for marine wind power generation, characterized in that the bubble curtain (B1) of claim 1 is further formed around the underwater acoustic damper (100). How to protect marine life. 제3항에 있어서,
상기 지지파일(1)은 중공부가 형성되는 원통이고, 상기 지지파일의 중공부에 제3 수중 음향 댐퍼(미도시)가 더 구비되고,
상기 지지파일(1)에 근접한 해저면을 덮는 제2 수중 음향 댐퍼(미도시)를 더 포함하여 구성되는 것을 특징으로 하는 해양풍력 발전용 지지구조물 수중 설치에 있어서 개스 포켓이 구비된 수중 음향 댐퍼를 이용한 수중 소음 저감 및 해양 생명체 보호 방법.




The method of claim 3,
The support pile 1 is a cylinder in which a hollow part is formed, and a third underwater acoustic damper (not shown) is further provided in the hollow part of the support pile,
A second underwater acoustic damper (not shown) covering the bottom of the sea close to the support pile (1), characterized in that it further comprises a water acoustic damper provided with a gas pocket in the installation of the support structure for offshore wind power generation How to reduce underwater noise and protect marine life.




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Cited By (6)

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KR20170110578A (en) * 2014-12-29 2017-10-11 아이에이취시 홀랜드 아이이 비.브이. Noise mitigation system
CN110512605A (en) * 2019-08-21 2019-11-29 武汉理工大学 Polygonal bilayer frame air bag underwater pile driving noise-reducing and dustproof device
CN110512604A (en) * 2019-08-21 2019-11-29 武汉理工大学 Conical Shells With air curtain underwater pile driving denoising device is truncated in array
CN111504131A (en) * 2020-04-21 2020-08-07 广东中人岩土工程有限公司 Carbon dioxide underwater blasting protection device
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
CN116696689A (en) * 2023-07-12 2023-09-05 山东大学 Underwater tower noise reduction device for offshore wind turbine and underwater tower

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170110578A (en) * 2014-12-29 2017-10-11 아이에이취시 홀랜드 아이이 비.브이. Noise mitigation system
CN110512605A (en) * 2019-08-21 2019-11-29 武汉理工大学 Polygonal bilayer frame air bag underwater pile driving noise-reducing and dustproof device
CN110512604A (en) * 2019-08-21 2019-11-29 武汉理工大学 Conical Shells With air curtain underwater pile driving denoising device is truncated in array
CN111504131A (en) * 2020-04-21 2020-08-07 广东中人岩土工程有限公司 Carbon dioxide underwater blasting protection device
CN111504131B (en) * 2020-04-21 2022-05-24 广东中人岩土工程有限公司 Carbon dioxide underwater blasting protection device
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
CN116696689A (en) * 2023-07-12 2023-09-05 山东大学 Underwater tower noise reduction device for offshore wind turbine and underwater tower
CN116696689B (en) * 2023-07-12 2024-01-26 山东大学 Underwater tower noise reduction device for offshore wind turbine and underwater tower

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