FI950109L - Menetelmä kitkan pienentämiseksi merenkulkualuksen pinnalla, pienikitkainen merenkulkualus ja laitteisto mikrokuplien aikaansaamiseksi kitkan pienentämiseksi - Google Patents

Menetelmä kitkan pienentämiseksi merenkulkualuksen pinnalla, pienikitkainen merenkulkualus ja laitteisto mikrokuplien aikaansaamiseksi kitkan pienentämiseksi Download PDF

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Publication number
FI950109L
FI950109L FI950109A FI950109A FI950109L FI 950109 L FI950109 L FI 950109L FI 950109 A FI950109 A FI 950109A FI 950109 A FI950109 A FI 950109A FI 950109 L FI950109 L FI 950109L
Authority
FI
Finland
Prior art keywords
friction
marine vessel
low
generating microbubbles
reducing
Prior art date
Application number
FI950109A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI950109A7 (fi
FI950109A0 (fi
Inventor
Hiroharu Kato
Yoshiaki Takahashi
Original Assignee
Hiroharu Kato
Ishikawajima Harima Heavy Ind
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 Hiroharu Kato, Ishikawajima Harima Heavy Ind filed Critical Hiroharu Kato
Publication of FI950109A7 publication Critical patent/FI950109A7/fi
Publication of FI950109A0 publication Critical patent/FI950109A0/fi
Publication of FI950109L publication Critical patent/FI950109L/fi

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/32Other means for varying the inherent hydrodynamic characteristics of hulls
    • B63B1/34Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction
    • B63B1/38Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction using air bubbles or air layers gas filled volumes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00Hulls characterised by their structure or component parts
    • B63B3/14Hull parts
    • B63B3/16Shells
    • B63B3/20Shells of double type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/32Other means for varying the inherent hydrodynamic characteristics of hulls
    • B63B1/34Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction
    • B63B1/38Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction using air bubbles or air layers gas filled volumes
    • B63B2001/387Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction using air bubbles or air layers gas filled volumes using means for producing a film of air or air bubbles over at least a significant portion of the hull surface
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00Maritime or waterways transport
    • Y02T70/10Measures concerning design or construction of watercraft hulls

Landscapes

  • 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)
  • Nozzles (AREA)
  • Physical Water Treatments (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
FI950109A 1993-05-11 1994-04-28 Menetelmä kitkan pienentämiseksi merenkulkualuksen pinnalla, pienikitkainen merenkulkualus ja laitteisto mikrokuplien aikaansaamiseksi kitkan pienentämiseksi FI950109L (fi)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP10954793 1993-05-11
JP25616293 1993-10-13
PCT/JP1994/000727 WO1994026583A1 (fr) 1993-05-11 1994-04-28 Procede de reduction de la friction sur un navire en deplacement, corps se deplaçant dans l'eau avec friction reduite, procede et appareil de production de microbulles s'appliquant a la reduction de la friction

Publications (3)

Publication Number Publication Date
FI950109A7 FI950109A7 (fi) 1995-01-10
FI950109A0 FI950109A0 (fi) 1995-01-10
FI950109L true FI950109L (fi) 1995-01-10

Family

ID=26449283

Family Applications (1)

Application Number Title Priority Date Filing Date
FI950109A FI950109L (fi) 1993-05-11 1994-04-28 Menetelmä kitkan pienentämiseksi merenkulkualuksen pinnalla, pienikitkainen merenkulkualus ja laitteisto mikrokuplien aikaansaamiseksi kitkan pienentämiseksi

Country Status (7)

Country Link
US (1) US5575232A (https=)
EP (1) EP0650889A4 (https=)
KR (1) KR100188464B1 (https=)
CN (1) CN1048220C (https=)
FI (1) FI950109L (https=)
TW (1) TW266193B (https=)
WO (1) WO1994026583A1 (https=)

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US6092480A (en) * 1997-08-01 2000-07-25 Ishikawajima-Harima Heavy Industries Co., Ltd. Generation of bubbles for friction-reducing ship and method for reducing skin-friction
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US6145459A (en) * 1997-12-19 2000-11-14 Ishikawajima-Harima Heavy Industries Co., Ltd. Friction-reducing ship and method for reducing skin friction
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WO2005122676A2 (es) * 2004-06-11 2005-12-29 Universidad De Sevilla Dispositivo generador de burbujas para la reducción de fricción en el casco de embarcaciones
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JP4503688B1 (ja) * 2009-10-05 2010-07-14 正明 佐藤 船舶における摩擦抵抗低減装置
KR101149505B1 (ko) * 2009-10-27 2012-05-25 삼성중공업 주식회사 프로펠러에 의해 발생되는 진동 기진력 감소장치
DK201070283A (en) * 2010-06-22 2012-02-02 Maersk Olie & Gas Reducing drag of a hull of a ship
JP5651829B2 (ja) * 2010-11-16 2015-01-14 雅 田篭 摩擦低減船およびマイクロバブル発生ポンプ
JP5638374B2 (ja) * 2010-12-13 2014-12-10 藤田 八十仁 船体
US8695398B2 (en) 2011-03-25 2014-04-15 Fred M. Johnson Intrinsically-calibrated tribometer
CN102602504A (zh) * 2011-12-12 2012-07-25 李宏生 三船一体
US8763547B2 (en) 2012-07-25 2014-07-01 Dan Nicolaus Costas Apparatus for lowering drag on a moving nautical vessel
EP2909082B1 (en) * 2012-10-16 2017-04-19 Wärtsilä Netherlands B.V. An thruster assembly in a marine vessel
JP5599482B1 (ja) * 2013-03-25 2014-10-01 三井造船株式会社 気泡型抵抗低減装置を備えた船舶及び船舶の抵抗低減方法
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
JP6647630B2 (ja) * 2014-07-11 2020-02-14 国立研究開発法人 海上・港湾・航空技術研究所 空気潤滑式船舶の空気供給システム
SG11201710703RA (en) * 2015-06-29 2018-01-30 Samsung Heavy Ind Frictional resistance-reducing device and ship including same
WO2018102602A1 (en) * 2016-11-30 2018-06-07 Kevin Mcpherson Ship hull microbubble system
CN106741586B (zh) * 2016-12-22 2019-01-04 浙江大学 一种船舶水射流约束气泡减阻结构
US12179884B2 (en) 2018-11-19 2024-12-31 Alejandro Roman Ganzabal Liberati Floating structure for transport formed by a train arrangement of rotary bodies of revolution which reduces the drag of same during sailing
KR20210118385A (ko) 2018-11-19 2021-09-30 까를로스 에두아르도 아르꾸신 항해 중 선박의 선체 저항을 감소시키는 선수 및/또는 선미 배열
USD919544S1 (en) * 2019-05-29 2021-05-18 Silverstream Technologies B.V. Air release unit
CN110949604B (zh) * 2019-12-19 2021-09-17 广船国际有限公司 一种舶艏部气泡减阻装置
CN110962991A (zh) * 2019-12-28 2020-04-07 大连渔轮有限公司 一种降低舰船航行时兴波阻力和摩擦力的方法及装置
JP6796909B1 (ja) * 2020-07-07 2020-12-09 有限会社ランドエンジニアリング 摩擦抵抗低減船の運転方法
KR20230098806A (ko) * 2020-10-09 2023-07-04 메르스크 에이/에스 선박의 선체를 위한 증기 보조식 공기 공급 시스템, 및 공기 공급 시스템을 포함하는 선박
US12459603B2 (en) * 2021-10-27 2025-11-04 Southern Methodist University Fluid entrapment via perforated surfaces for drag reduction
WO2024184776A1 (en) * 2023-03-03 2024-09-12 Nobuyoshi Morimoto An apparatus, method and system for generating air bubbles
CN116461642B (zh) * 2023-03-17 2025-07-01 武汉理工大学 孔缝联合气泡减阻装置
GB2643775A (en) * 2024-09-02 2026-03-04 Armada Tech Limited Air lubrication of a hull of a vessel

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Also Published As

Publication number Publication date
FI950109A7 (fi) 1995-01-10
US5575232A (en) 1996-11-19
EP0650889A1 (en) 1995-05-03
KR100188464B1 (ko) 1999-06-01
TW266193B (https=) 1995-12-21
CN1109681A (zh) 1995-10-04
FI950109A0 (fi) 1995-01-10
WO1994026583A1 (fr) 1994-11-24
CN1048220C (zh) 2000-01-12
KR950702485A (ko) 1995-07-29
EP0650889A4 (en) 1995-10-25

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