NO20092350L - System og fremgangsmate for redusering av drag og/eller virvelindusert vibrasjon - Google Patents

System og fremgangsmate for redusering av drag og/eller virvelindusert vibrasjon

Info

Publication number
NO20092350L
NO20092350L NO20092350A NO20092350A NO20092350L NO 20092350 L NO20092350 L NO 20092350L NO 20092350 A NO20092350 A NO 20092350A NO 20092350 A NO20092350 A NO 20092350A NO 20092350 L NO20092350 L NO 20092350L
Authority
NO
Norway
Prior art keywords
induced vibration
reducing drag
vortex induced
streamline
vortex
Prior art date
Application number
NO20092350A
Other languages
English (en)
Inventor
Dean Leroy Henning
Li Lee
David Wayne Mcmillian
Donald Wayne Allen
Original Assignee
Shell Int Research
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 Shell Int Research filed Critical Shell Int Research
Publication of NO20092350L publication Critical patent/NO20092350L/no

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
    • B63B21/502—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers by means of tension legs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/56—Towing or pushing equipment
    • B63B21/66—Equipment specially adapted for towing underwater objects or vessels, e.g. fairings for tow-cables
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/0017—Means for protecting offshore constructions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/10—Influencing flow of fluids around bodies of solid material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
    • B63B21/502—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers by means of tension legs
    • B63B2021/504—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers by means of tension legs comprising suppressors for vortex induced vibrations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/12—Laying or reclaiming pipes on or under water
    • F16L1/123—Devices for the protection of pipes under water

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fluid Mechanics (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Earth Drilling (AREA)
  • Vibration Prevention Devices (AREA)
  • Linear Motors (AREA)

Abstract

Et system er beskrevet for å minske strømningsmotstand og/eller virvelstrømvibrasjon av en struktur, idet systemet omfatter en strømlinjeform som er bevegelig fra en konfigurasjon med kort strømlinjeform til en konfigurasjon med lang strømlinjeform.
NO20092350A 2006-11-22 2009-06-18 System og fremgangsmate for redusering av drag og/eller virvelindusert vibrasjon NO20092350L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US86696806P 2006-11-22 2006-11-22
PCT/US2007/084920 WO2008064104A2 (en) 2006-11-22 2007-11-16 Systems and methods for reducing drag and/or vortex induced vibration

Publications (1)

Publication Number Publication Date
NO20092350L true NO20092350L (no) 2009-06-18

Family

ID=39430517

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20092350A NO20092350L (no) 2006-11-22 2009-06-18 System og fremgangsmate for redusering av drag og/eller virvelindusert vibrasjon

Country Status (5)

Country Link
AU (1) AU2007323831B2 (no)
BR (1) BRPI0719133A2 (no)
GB (1) GB2455678A (no)
NO (1) NO20092350L (no)
WO (1) WO2008064104A2 (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102134972B (zh) * 2010-12-31 2013-01-09 上海交通大学 仿鱼尾式整流罩的水下立管涡激振动抑制装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2177798A (en) * 1936-10-29 1939-10-31 Bechereau Louis Airfoil used in aeronautics
US2859836A (en) * 1955-02-28 1958-11-11 Bernard A Wiener Vibration damper for towed cables, periscopes and the like
US4398487A (en) * 1981-06-26 1983-08-16 Exxon Production Research Co. Fairing for elongated elements
US5378108A (en) * 1994-03-25 1995-01-03 United Technologies Corporation Cooled turbine blade
US6196768B1 (en) * 1996-11-15 2001-03-06 Shell Oil Company Spar fairing
US6517289B1 (en) * 2000-09-28 2003-02-11 The United States Of America As Represented By The Secretary Of The Navy Inflatable vibration reducing fairing

Also Published As

Publication number Publication date
WO2008064104A3 (en) 2008-09-12
GB2455678A (en) 2009-06-24
AU2007323831B2 (en) 2011-05-19
BRPI0719133A2 (pt) 2014-02-04
AU2007323831A1 (en) 2008-05-29
GB0906670D0 (en) 2009-06-03
WO2008064104A2 (en) 2008-05-29

Similar Documents

Publication Publication Date Title
NO20092349L (no) System og fremgangsmate for redusering av drag og/eller virvelindusert vibrasjon
BRPI0611569A2 (pt) sistema para reduzir vibração induzida por arrasto e/ou vórtice de uma estrutura, e, método para modificar uma estrutura sujeita a vibração induzida por arrasto e/ou vórtice
DK2438446T3 (da) Fremgangsmåder, reagenser og kits til flowcytometrisk immunfænotypebestemmelse
BRPI0819963A2 (pt) Sistema de controle configurado para exaustão de gás de um edifício, sistema de exaustão de um edifício e método para controlar um fluxo de exaustão de gás de um edifício
BRPI0716851A2 (pt) sistema de controle de fluxo
FR2926118B1 (fr) Bride en composite avec partie d'usinage.
BRPI0719686A2 (pt) Sistema de cromatografia de gás, e aparelho de cromatografia de gás
FR2907098B1 (fr) Nacelle pour turboreacteur double flux
FR2906568B1 (fr) Structure d'entree d'air deposable pour nacelle de turboreacteur.
EP1953356A4 (en) METHOD FOR CONTROLLING AN EXHAUST GAS PURIFYING SYSTEM AND EXHAUST GAS PURIFYING SYSTEM
EE200700050A (et) Meetod bensofuraani valmistamiseks ning vahehendid
SE0802004L (sv) Avgasåtercirkulationssystem
DE602008002856D1 (de) Aufhängung eines Triebwerks an der Struktur eines Flugzeugs
NO20100355L (no) Systemer og fremgangsmater for a redusere slep og/eller virvelindusert vibrasjon
FR2926791B1 (fr) Entree d'air pour nacelle d'aeronef, et ensemble propulsif comprenant une telle entree d'air
DE602005027140D1 (de) Geschneiderte Wirbelbildung für Turbinenschaufeln
BRPI1016070A2 (pt) sistema de asa e hélice, método de otimização do sistema de asa e hélice/rotor e método de redução do arrasto induzido.
FR2927609B1 (fr) Entree d'air pour nacelle d'aeronef, et nacelle equipee d'une telle entree d'air
DE602007004769D1 (de) Vertikale Strömungskraftübertragung und Außenbordmotorsystem
NO20092350L (no) System og fremgangsmate for redusering av drag og/eller virvelindusert vibrasjon
FR2913664B1 (fr) Nacelle pour turboreacteur double flux
EP2069618A4 (en) EXHAUST GAS FLOW EQUALIZER
GB2451397A (en) Vortex induced vibration suppression systems and methods
FR2964945B1 (fr) Helice et systeme d'helices contrarotatives comprenant des moyens ameliores de limitation du calage, et turbomachine les comprenant
NO20100633L (no) Systemer og fremgangsmater for a redusere stromningsmotstand og/eller virvelindusert vibrasjon

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application