JP2009274705A - 摩擦抵抗低減船およびその運転方法 - Google Patents
摩擦抵抗低減船およびその運転方法 Download PDFInfo
- Publication number
- JP2009274705A JP2009274705A JP2008164871A JP2008164871A JP2009274705A JP 2009274705 A JP2009274705 A JP 2009274705A JP 2008164871 A JP2008164871 A JP 2008164871A JP 2008164871 A JP2008164871 A JP 2008164871A JP 2009274705 A JP2009274705 A JP 2009274705A
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- Prior art keywords
- frictional resistance
- hull
- pipe
- ship
- air
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- 238000000034 method Methods 0.000 title claims description 7
- 239000007788 liquid Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 239000000446 fuel Substances 0.000 abstract description 2
- 230000000994 depressogenic effect Effects 0.000 abstract 1
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
- B63B1/32—Other means for varying the inherent hydrodynamic characteristics of hulls
- B63B1/34—Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction
- B63B1/38—Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction using air bubbles or air layers gas filled volumes
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- 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
- Y02T70/10—Measures concerning design or construction of watercraft hulls
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Farming Of Fish And Shellfish (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Accessories For Mixers (AREA)
Abstract
【課題】 摩擦抵抗が低減し燃費が向上する摩擦抵抗低減船を提供する。
【解決手段】 航行速度が更に速くなるとウイング33によって形成される負圧が大きくなり、その結果、気液境界面が窓部34の近傍まで押し下げられた状態では、空気と水(海水)がこの部分では異なる速度で運動している。空気と水は密度が異なるため、微細気泡発生部材3の窓部34の内側空間において、ケルビン−ヘルムホルツ不安定現象によって微細気泡(マイクロバブル)が発生し、この微細気泡が船体に沿って張り付くように下流側に流れる。
【選択図】 図7
Description
気泡発生部自身が、微細な空気の発生に適した構造になっていない。
即ち、アシストコンプレッサ4から配管11を介してメインヘッダ12に空気が送り込まれる。メインヘッダ12には図では左右3本づつ配管13が接続され、各配管13は左右のバルブ14に接続されている。
Claims (3)
- 船体に形成した開口部に微細気泡発生部材を取り付けた摩擦抵抗低減船において、前記微細気泡発生部材は前記開口部に嵌め付けられるプレートと、このプレートに取り付けられる負圧発生用のウイングとからなり、前記プレートのウイングと対向する箇所には前記開口部内と船体外部とを連通する窓部が形成され、また前記開口部の船内側には開口部に空気を供給する配管が接続され、この配管には配管内の気液境界面を微細気泡発生部まで押し下げるコンプレッサなどの圧気源が接続されていることを特徴とする摩擦抵抗低減船。
- 請求項1に記載の摩擦抵抗低減船において、前記窓部はケルビン−ヘルムホルツ不安定現象(Kelvin-Helmholtz-Instability)による微細気泡発生空間として機能することを特徴とする摩擦抵抗低減船。
- 請求項1または請求項2に記載の摩擦抵抗低減船の運転方法であって、コンプレッサなどの圧気源によって前記配管内の気液境界面を微細気泡発生部まで押し下げるとともに船の航行に伴って前記ウイングによって発生する負圧により前記配管から供給される空気を微細気泡として船体に張り付くように船体表面に沿って排出し、この状態を維持しつつ航行することを特徴とする摩擦抵抗低減船の運転方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008164871A JP4286313B1 (ja) | 2008-04-17 | 2008-06-24 | 摩擦抵抗低減船およびその運転方法 |
PCT/JP2009/001531 WO2009128211A1 (ja) | 2008-04-17 | 2009-04-01 | 摩擦抵抗低減船およびその運転方法 |
CN2009801111672A CN102341300A (zh) | 2008-04-17 | 2009-04-01 | 摩擦力减少船及其运转方法 |
US12/922,174 US8011310B2 (en) | 2008-04-17 | 2009-04-01 | Ship with reduced frictional resistance and its operation method |
KR1020107022831A KR20100125405A (ko) | 2008-04-17 | 2009-04-01 | 마찰저항 저감선 및 운전방법 |
EP09732525.2A EP2272748A4 (en) | 2008-04-17 | 2009-04-01 | FRICTION-RESISTANT SHIP AND METHOD OF DIRECTING |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JP2008107482 | 2008-04-17 | ||
JP2008107482 | 2008-04-17 | ||
JP2008164871A JP4286313B1 (ja) | 2008-04-17 | 2008-06-24 | 摩擦抵抗低減船およびその運転方法 |
Publications (2)
Publication Number | Publication Date |
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JP4286313B1 JP4286313B1 (ja) | 2009-06-24 |
JP2009274705A true JP2009274705A (ja) | 2009-11-26 |
Family
ID=40148562
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008110812A Active JP4183048B1 (ja) | 2008-04-17 | 2008-04-22 | 摩擦抵抗低減船およびその運転方法 |
JP2008158636A Pending JP2009274704A (ja) | 2008-04-17 | 2008-06-18 | 摩擦抵抗低減船およびその運転方法 |
JP2008164871A Active JP4286313B1 (ja) | 2008-04-17 | 2008-06-24 | 摩擦抵抗低減船およびその運転方法 |
JP2008165728A Pending JP2009274706A (ja) | 2008-04-17 | 2008-06-25 | 摩擦抵抗低減船およびその運転方法 |
Family Applications Before (2)
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---|---|---|---|
JP2008110812A Active JP4183048B1 (ja) | 2008-04-17 | 2008-04-22 | 摩擦抵抗低減船およびその運転方法 |
JP2008158636A Pending JP2009274704A (ja) | 2008-04-17 | 2008-06-18 | 摩擦抵抗低減船およびその運転方法 |
Family Applications After (1)
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JP2008165728A Pending JP2009274706A (ja) | 2008-04-17 | 2008-06-25 | 摩擦抵抗低減船およびその運転方法 |
Country Status (6)
Country | Link |
---|---|
US (2) | US8011310B2 (ja) |
EP (2) | EP2277770A4 (ja) |
JP (4) | JP4183048B1 (ja) |
KR (2) | KR20100125405A (ja) |
CN (1) | CN102341300A (ja) |
WO (2) | WO2009128210A1 (ja) |
Cited By (13)
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---|---|---|---|---|
KR101334332B1 (ko) * | 2012-01-10 | 2013-11-28 | 삼성중공업 주식회사 | 선박 |
KR101399961B1 (ko) * | 2012-01-10 | 2014-05-27 | 삼성중공업 주식회사 | 선박 |
KR101444144B1 (ko) * | 2012-11-08 | 2014-09-26 | 삼성중공업 주식회사 | 기진력 저감형 선박 |
KR20150144947A (ko) | 2014-06-18 | 2015-12-29 | 삼성중공업 주식회사 | 프로펠러 캐비테이션 유기 기진력 저감형 선박 |
KR20150145530A (ko) | 2014-06-20 | 2015-12-30 | 삼성중공업 주식회사 | 프로펠러 캐비테이션 유기 기진력 저감형 선박 |
KR20150145529A (ko) | 2014-06-20 | 2015-12-30 | 삼성중공업 주식회사 | 프로펠러 캐비테이션 유기 기진력 저감형 선박 |
KR20160000150A (ko) | 2014-06-24 | 2016-01-04 | 삼성중공업 주식회사 | 프로펠러 캐비테이션 유기 기진력 저감형 선박 |
KR20160000147A (ko) | 2014-06-24 | 2016-01-04 | 삼성중공업 주식회사 | 프로펠러 캐비테이션 유기 기진력 저감형 선박 |
KR20160000151A (ko) | 2014-06-24 | 2016-01-04 | 삼성중공업 주식회사 | 프로펠러 캐비테이션 유기 기진력 저감형 선박 |
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KR20160000146A (ko) | 2014-06-24 | 2016-01-04 | 삼성중공업 주식회사 | 프로펠러 캐비테이션 유기 기진력 저감형 선박 |
KR20160000149A (ko) | 2014-06-24 | 2016-01-04 | 삼성중공업 주식회사 | 프로펠러 캐비테이션 유기 기진력 저감형 선박 |
JP2017507072A (ja) * | 2014-03-05 | 2017-03-16 | シルバーストリーム・テクノロジーズ・ビー.ブイ. | 船上の海洋生成物付着を低減するための空気潤滑システムの使用 |
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US7806064B2 (en) * | 2008-03-12 | 2010-10-05 | Wellman John G | Friction reducing pollution control system for marine vehicles |
JP4183048B1 (ja) * | 2008-04-17 | 2008-11-19 | 有限会社ランドエンジニアリング | 摩擦抵抗低減船およびその運転方法 |
JP2011011699A (ja) * | 2009-07-06 | 2011-01-20 | Anlet Co Ltd | 船体における微細気泡発生装置 |
DK201070283A (en) | 2010-06-22 | 2012-02-02 | Maersk Olie & Gas | Reducing drag of a hull of a ship |
JP5087158B1 (ja) * | 2011-06-28 | 2012-11-28 | 三菱重工業株式会社 | 船舶の空気潤滑システム、摩擦抵抗低減型船舶及びその製造方法 |
US10853451B2 (en) * | 2013-06-06 | 2020-12-01 | Timeless Veterinary Systems International Limited | Drug formulary application |
JP6037999B2 (ja) | 2013-10-23 | 2016-12-07 | 三菱重工業株式会社 | 摩擦抵抗低減装置、これを備えている船舶、船舶の摩擦抵抗低減方法 |
PT2915735T (pt) * | 2014-03-05 | 2016-09-07 | Silverstream Tech Bv | Sistema de lubrificação a ar e recipiente que compreende tal sistema |
CN104240579B (zh) * | 2014-08-06 | 2017-01-18 | 中国人民解放军海军工程大学 | 微气泡循环水槽 |
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JP2001055189A (ja) | 1999-06-08 | 2001-02-27 | Ishikawajima Harima Heavy Ind Co Ltd | 船体の摩擦抵抗低減方法及び摩擦抵抗低減船 |
KR100439003B1 (ko) | 2000-03-10 | 2004-07-02 | 이시카와지마-하리마 주고교 가부시키가이샤 | 마찰저항 감소방법 및 마찰저항 감소선 |
JP2002079986A (ja) * | 2000-09-08 | 2002-03-19 | Ishikawajima Harima Heavy Ind Co Ltd | 摩擦抵抗低減船 |
JP4070385B2 (ja) | 2000-04-03 | 2008-04-02 | 有限会社ランドエンジニアリング | 摩擦抵抗低減船 |
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JP4183048B1 (ja) * | 2008-04-17 | 2008-11-19 | 有限会社ランドエンジニアリング | 摩擦抵抗低減船およびその運転方法 |
JP4212640B1 (ja) * | 2008-07-23 | 2009-01-21 | 有限会社ランドエンジニアリング | 摩擦抵抗低減船およびその運転方法 |
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2008
- 2008-04-22 JP JP2008110812A patent/JP4183048B1/ja active Active
- 2008-06-18 JP JP2008158636A patent/JP2009274704A/ja active Pending
- 2008-06-24 JP JP2008164871A patent/JP4286313B1/ja active Active
- 2008-06-25 JP JP2008165728A patent/JP2009274706A/ja active Pending
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2009
- 2009-04-01 CN CN2009801111672A patent/CN102341300A/zh active Pending
- 2009-04-01 EP EP09731481.9A patent/EP2277770A4/en not_active Withdrawn
- 2009-04-01 KR KR1020107022831A patent/KR20100125405A/ko not_active Application Discontinuation
- 2009-04-01 US US12/922,174 patent/US8011310B2/en active Active - Reinstated
- 2009-04-01 WO PCT/JP2009/001528 patent/WO2009128210A1/ja active Application Filing
- 2009-04-01 KR KR1020107024069A patent/KR20100127860A/ko active IP Right Grant
- 2009-04-01 WO PCT/JP2009/001531 patent/WO2009128211A1/ja active Application Filing
- 2009-04-01 EP EP09732525.2A patent/EP2272748A4/en not_active Withdrawn
- 2009-04-04 US US12/418,572 patent/US7654212B2/en not_active Expired - Fee Related
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101399961B1 (ko) * | 2012-01-10 | 2014-05-27 | 삼성중공업 주식회사 | 선박 |
KR101334332B1 (ko) * | 2012-01-10 | 2013-11-28 | 삼성중공업 주식회사 | 선박 |
KR101444144B1 (ko) * | 2012-11-08 | 2014-09-26 | 삼성중공업 주식회사 | 기진력 저감형 선박 |
JP2017507072A (ja) * | 2014-03-05 | 2017-03-16 | シルバーストリーム・テクノロジーズ・ビー.ブイ. | 船上の海洋生成物付着を低減するための空気潤滑システムの使用 |
KR20150144947A (ko) | 2014-06-18 | 2015-12-29 | 삼성중공업 주식회사 | 프로펠러 캐비테이션 유기 기진력 저감형 선박 |
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KR20150145529A (ko) | 2014-06-20 | 2015-12-30 | 삼성중공업 주식회사 | 프로펠러 캐비테이션 유기 기진력 저감형 선박 |
KR20160000150A (ko) | 2014-06-24 | 2016-01-04 | 삼성중공업 주식회사 | 프로펠러 캐비테이션 유기 기진력 저감형 선박 |
KR20160000151A (ko) | 2014-06-24 | 2016-01-04 | 삼성중공업 주식회사 | 프로펠러 캐비테이션 유기 기진력 저감형 선박 |
KR20160000148A (ko) | 2014-06-24 | 2016-01-04 | 삼성중공업 주식회사 | 프로펠러 캐비테이션 유기 기진력 저감형 선박 |
KR20160000146A (ko) | 2014-06-24 | 2016-01-04 | 삼성중공업 주식회사 | 프로펠러 캐비테이션 유기 기진력 저감형 선박 |
KR20160000149A (ko) | 2014-06-24 | 2016-01-04 | 삼성중공업 주식회사 | 프로펠러 캐비테이션 유기 기진력 저감형 선박 |
KR20160000147A (ko) | 2014-06-24 | 2016-01-04 | 삼성중공업 주식회사 | 프로펠러 캐비테이션 유기 기진력 저감형 선박 |
Also Published As
Publication number | Publication date |
---|---|
CN102341300A (zh) | 2012-02-01 |
WO2009128211A1 (ja) | 2009-10-22 |
EP2272748A1 (en) | 2011-01-12 |
KR20100125405A (ko) | 2010-11-30 |
JP4286313B1 (ja) | 2009-06-24 |
US7654212B2 (en) | 2010-02-02 |
EP2277770A1 (en) | 2011-01-26 |
JP2009274463A (ja) | 2009-11-26 |
EP2272748A4 (en) | 2013-06-26 |
JP4183048B1 (ja) | 2008-11-19 |
KR20100127860A (ko) | 2010-12-06 |
JP2009274706A (ja) | 2009-11-26 |
JP2009274704A (ja) | 2009-11-26 |
WO2009128210A1 (ja) | 2009-10-22 |
EP2277770A4 (en) | 2013-06-26 |
US20090260561A1 (en) | 2009-10-22 |
US20110000418A1 (en) | 2011-01-06 |
US8011310B2 (en) | 2011-09-06 |
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