FR2899945B1 - Surface structuree tridimensionnelle a onde transverse en vue d'une reduction de la trainee aerodynamique - Google Patents
Surface structuree tridimensionnelle a onde transverse en vue d'une reduction de la trainee aerodynamiqueInfo
- Publication number
- FR2899945B1 FR2899945B1 FR0603257A FR0603257A FR2899945B1 FR 2899945 B1 FR2899945 B1 FR 2899945B1 FR 0603257 A FR0603257 A FR 0603257A FR 0603257 A FR0603257 A FR 0603257A FR 2899945 B1 FR2899945 B1 FR 2899945B1
- Authority
- FR
- France
- Prior art keywords
- structured surface
- transverse wave
- reduce aerodynamic
- dimensional structured
- training
- 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.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C21/00—Influencing air flow over aircraft surfaces by affecting boundary layer flow
- B64C21/10—Influencing air flow over aircraft surfaces by affecting boundary layer flow using other surface properties, e.g. roughness
-
- 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
- F15D1/002—Influencing flow of fluids by influencing the boundary layer
- F15D1/0025—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply
- F15D1/003—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply comprising surface features, e.g. indentations or protrusions
- F15D1/0035—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply comprising surface features, e.g. indentations or protrusions in the form of riblets
- F15D1/004—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply comprising surface features, e.g. indentations or protrusions in the form of riblets oriented essentially parallel to the direction of flow
-
- 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
- F15D1/02—Influencing flow of fluids in pipes or conduits
- F15D1/06—Influencing flow of fluids in pipes or conduits by influencing the boundary layer
- F15D1/065—Whereby an element is dispersed in a pipe over the whole length or whereby several elements are regularly distributed in a pipe
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C2230/00—Boundary layer controls
- B64C2230/26—Boundary layer controls by using rib lets or hydrophobic surfaces
-
- 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
- Y02T50/00—Aeronautics or air transport
- Y02T50/10—Drag reduction
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0603257A FR2899945B1 (fr) | 2006-04-12 | 2006-04-12 | Surface structuree tridimensionnelle a onde transverse en vue d'une reduction de la trainee aerodynamique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0603257A FR2899945B1 (fr) | 2006-04-12 | 2006-04-12 | Surface structuree tridimensionnelle a onde transverse en vue d'une reduction de la trainee aerodynamique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2899945A1 FR2899945A1 (fr) | 2007-10-19 |
| FR2899945B1 true FR2899945B1 (fr) | 2010-12-24 |
Family
ID=37084689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR0603257A Expired - Fee Related FR2899945B1 (fr) | 2006-04-12 | 2006-04-12 | Surface structuree tridimensionnelle a onde transverse en vue d'une reduction de la trainee aerodynamique |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2899945B1 (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2928427A1 (fr) * | 2008-03-10 | 2009-09-11 | Inst Francais Du Petrole | Surface structuree tridimensionnelle a ondes transverse et meridienne orthogonales en vue d'une reduction de la trainee aerodynamique |
| FR2936574B1 (fr) | 2008-09-29 | 2010-10-22 | Inst Francais Du Petrole | Procede de structuration de pieces internes pour machines tournantes rotodynamiques |
| FR2947313B1 (fr) * | 2009-06-26 | 2015-02-20 | Inst Francais Du Petrole | Systeme et methode de reduction de trainee comportant des surfaces structurees de forme evolutive |
| JP6714925B2 (ja) * | 2016-03-03 | 2020-07-01 | 国立研究開発法人宇宙航空研究開発機構 | リブレット構造及び物体 |
| JP7496127B2 (ja) * | 2020-10-19 | 2024-06-06 | 国立研究開発法人宇宙航空研究開発機構 | リブレット構造及び物体 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3609541A1 (de) * | 1986-03-21 | 1987-09-24 | Deutsche Forsch Luft Raumfahrt | Verminderten stroemungswiderstand durch herabgesetzte wandschubspannung aufweisende oberflaeche eines turbolent ueberstroemten koerpers |
| US5114099A (en) * | 1990-06-04 | 1992-05-19 | W. L. Chow | Surface for low drag in turbulent flow |
| FR2751049B1 (fr) * | 1996-07-15 | 1998-09-18 | Inst Francais Du Petrole | Surface modifiee pour reduire les turbulences d'un fluide et procede de transport |
| DE19650439C1 (de) * | 1996-12-05 | 1998-03-12 | Deutsch Zentr Luft & Raumfahrt | Oberfläche für eine von einer eine Strömungshauptrichtung aufweisenden Strömung turbulent umströmten Wand |
| US6345791B1 (en) * | 2000-04-13 | 2002-02-12 | Lockheed Martin Corporation | Streamwise variable height riblets for reducing skin friction drag of surfaces |
| DE10217111A1 (de) * | 2002-04-17 | 2003-11-06 | Roehm Gmbh | Festkörper mit mikrostrukturierter Oberfläche |
-
2006
- 2006-04-12 FR FR0603257A patent/FR2899945B1/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| FR2899945A1 (fr) | 2007-10-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| ST | Notification of lapse |
Effective date: 20121228 |