GB2092075A - Method for reducing parasite drag of a ship - Google Patents

Method for reducing parasite drag of a ship

Info

Publication number
GB2092075A
GB2092075A GB8209046A GB8209046A GB2092075A GB 2092075 A GB2092075 A GB 2092075A GB 8209046 A GB8209046 A GB 8209046A GB 8209046 A GB8209046 A GB 8209046A GB 2092075 A GB2092075 A GB 2092075A
Authority
GB
United Kingdom
Prior art keywords
ship
parasite drag
reducing parasite
protuberance
reducing
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.)
Granted
Application number
GB8209046A
Other versions
GB2092075B (en
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.)
TARNOWSKI RAPHAEL
Original Assignee
TARNOWSKI RAPHAEL
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 TARNOWSKI RAPHAEL filed Critical TARNOWSKI RAPHAEL
Publication of GB2092075A publication Critical patent/GB2092075A/en
Application granted granted Critical
Publication of GB2092075B publication Critical patent/GB2092075B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B63B1/40—Other means for varying the inherent hydrodynamic characteristics of hulls by diminishing wave resistance
    • 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

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)
  • Wind Motors (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

Method provided for modifying in an immersed body, particularly a sail boat hull, the profile of a cross section by creating hollows (P1 and P2) to compensate a protuberance (P), particularly a keel, in order to reduce the drag generated by such protuberance in any flow.
GB8209046A 1980-08-01 1981-08-03 Method for reducing parasite drag of a ship Expired GB2092075B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8017058A FR2487774A1 (en) 1980-08-01 1980-08-01 PROCESS FOR IMPROVING SHELL HULL PROFILES BY REDUCING THE RESISTANCE TO THEIR MOVEMENT IN THE WATER

Publications (2)

Publication Number Publication Date
GB2092075A true GB2092075A (en) 1982-08-11
GB2092075B GB2092075B (en) 1984-05-02

Family

ID=9244808

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8209046A Expired GB2092075B (en) 1980-08-01 1981-08-03 Method for reducing parasite drag of a ship

Country Status (7)

Country Link
JP (1) JPS57501474A (en)
FR (1) FR2487774A1 (en)
GB (1) GB2092075B (en)
GR (1) GR74633B (en)
IT (1) IT1138484B (en)
SE (1) SE434248B (en)
WO (1) WO1982000447A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU755000B2 (en) * 1998-12-09 2002-11-28 Societe Europeenne Des Produits Refractaires Melted alumina-zirconia ceramic grains, abrasive tools and refractory parts produced from said grains

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI82425C (en) * 1987-10-06 1991-03-11 Sarvis Oy A keel structure
CA2016709A1 (en) * 1989-05-15 1990-11-15 University Of Cincinnati Stable aqueous solution having high concentrations of calcium and phosphate ions and solid complex

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE564382C (en) * 1932-11-18 Christof Ruthof Fa Ship shape for wheel ships
DE411866C (en) * 1925-04-08 Guenther Kempf Dr Ing Wave-shaped ship shape
DE687340C (en) * 1937-08-01 1940-01-27 Gotthard Sachsenberg Zentralge Watercraft

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU755000B2 (en) * 1998-12-09 2002-11-28 Societe Europeenne Des Produits Refractaires Melted alumina-zirconia ceramic grains, abrasive tools and refractory parts produced from said grains

Also Published As

Publication number Publication date
IT8123271A0 (en) 1981-07-31
SE8202056L (en) 1982-03-31
SE434248B (en) 1984-07-16
JPS57501474A (en) 1982-08-19
WO1982000447A1 (en) 1982-02-18
GR74633B (en) 1984-06-29
IT1138484B (en) 1986-09-17
GB2092075B (en) 1984-05-02
FR2487774A1 (en) 1982-02-05

Similar Documents

Publication Publication Date Title
SE7901421L (en) BERPLANBAT
GB1232687A (en)
JPS6478997A (en) Hydroplane hull for motorboat
CA2107590A1 (en) Method for Changing the Characteristics of a Ship and a Hull Form of an Icebreaking Ship
ES8400065A1 (en) Propulsion system for sailing craft.
SE7904069L (en) Stern BRAKE FOR SHIPS
GB2119732B (en) A flow guide surface for the stern of a propeller ship
GB2092075A (en) Method for reducing parasite drag of a ship
GB2088805B (en) A vessel such as a sailing boat a seal arrangement between an outdrive unit and a hull of
GB1491535A (en) Hydrofoil
SE8502446L (en) Multihull vessel
FR2387840A1 (en) Boat hull with two parallel lateral stern hulls - has fin keels on each hull, and bridging deck
ES486001A1 (en) Ship of the catamaran type with a central stem.
GB1511035A (en) Multihull convertible cargo carrier submarine
ES436548A1 (en) Craft with at least two hulls
SE8403389L (en) DEVICE FOR A HALF SUBMITTED PLATFORM WITH TWO MAIN PARALLEL PONTONES
JPS56135395A (en) Stern whisker
JPS56103683A (en) Semisubmerged catamaran
FR2418147A1 (en) Inflatable craft carrier vessel - has catamaran design with loading stern ramp and hauling line float to pull craft into hold between hulls
GB1170297A (en) Improvements in or relating to Steering Systems for Marine Vessels
JPS5653981A (en) Deck structure for semi-submerged twin-hull ship
FR2383824A1 (en) Seagoing high speed craft - has displacement-type forward, hull section with planing-type after-end
JPS55148680A (en) Hydrofoil craft
GB1530593A (en) Boat hulls and submarines
JPS5758584A (en) Shape of bow of chunky ship

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee