DE69105295D1 - Verfahren und Gerät zur optischen Messung des Luftdrucks durch Laseranregung, insbesondere vorne an einem Flugzeug. - Google Patents
Verfahren und Gerät zur optischen Messung des Luftdrucks durch Laseranregung, insbesondere vorne an einem Flugzeug.Info
- Publication number
- DE69105295D1 DE69105295D1 DE69105295T DE69105295T DE69105295D1 DE 69105295 D1 DE69105295 D1 DE 69105295D1 DE 69105295 T DE69105295 T DE 69105295T DE 69105295 T DE69105295 T DE 69105295T DE 69105295 D1 DE69105295 D1 DE 69105295D1
- Authority
- DE
- Germany
- Prior art keywords
- aircraft
- air pressure
- optical measurement
- laser excitation
- excitation
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
- G01L11/02—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N2021/4704—Angular selective
- G01N2021/4709—Backscatter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/066—Modifiable path; multiple paths in one sample
- G01N2201/0662—Comparing measurements on two or more paths in one sample
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9002181A FR2658608B1 (fr) | 1990-02-22 | 1990-02-22 | Procede et systeme de mesure optique de la pression de l'air par excitation laser, notamment en avant d'un aeronef. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69105295D1 true DE69105295D1 (de) | 1995-01-12 |
DE69105295T2 DE69105295T2 (de) | 1995-06-14 |
Family
ID=9394017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69105295T Expired - Fee Related DE69105295T2 (de) | 1990-02-22 | 1991-02-12 | Verfahren und Gerät zur optischen Messung des Luftdrucks durch Laseranregung, insbesondere vorne an einem Flugzeug. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5111055A (de) |
EP (1) | EP0443908B1 (de) |
DE (1) | DE69105295T2 (de) |
FR (1) | FR2658608B1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5437151A (en) * | 1993-08-20 | 1995-08-01 | United Technologies Corporation | Detecting and controlling supersonic airflow normal shock pattern position in an aircraft jet engine assembly |
FR2713770B1 (fr) * | 1993-12-10 | 1996-02-09 | Sextant Avionique | Procédé et appareil de mesure optique de la pression d'un mélange gazeux. |
FR2713768B1 (fr) * | 1993-12-10 | 1996-02-09 | Sextant Avionique | Procédé et appareil de mesure optique de la température d'un mélange gazeux. |
US5667304A (en) * | 1994-12-15 | 1997-09-16 | The Aerospace Corporation | Mesospheric temperature sensing lidar apparatus |
US7495774B2 (en) * | 2002-03-01 | 2009-02-24 | Michigan Aerospace Corporation | Optical air data system |
US7106447B2 (en) * | 2002-03-01 | 2006-09-12 | Michigan Aerospace Corporation | Molecular optical air data systems (MOADS) |
US7564539B2 (en) * | 2002-08-02 | 2009-07-21 | Ophir Corporation | Optical air data systems and methods |
US8072584B2 (en) * | 2002-08-02 | 2011-12-06 | Ophir Corporation | Optical air data systems and methods |
US6894768B2 (en) * | 2002-08-02 | 2005-05-17 | Ophir Corporation | Optical air data systems and methods |
US7687037B2 (en) * | 2003-02-28 | 2010-03-30 | American Covers, Inc. | Air freshener and method |
US8855932B1 (en) | 2006-06-02 | 2014-10-07 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Method and apparatus for measuring surface air pressure |
GB0709226D0 (en) * | 2007-05-14 | 2007-06-20 | Qinetiq Ltd | Covert illumination |
US8797550B2 (en) | 2009-04-21 | 2014-08-05 | Michigan Aerospace Corporation | Atmospheric measurement system |
WO2011016892A2 (en) * | 2009-05-15 | 2011-02-10 | Michigan Aerospace Corporation | Range imaging lidar |
FI126935B (en) | 2013-11-26 | 2017-08-15 | Valmet Technologies Oy | Method for measuring the temperature and density of the molecular number of a gaseous compound from a thermal device and thermal system |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2508639A1 (fr) * | 1981-06-25 | 1982-12-31 | Commissariat Energie Atomique | Dispositif pour mesurer la pression d'un gaz |
US4493553A (en) * | 1982-05-28 | 1985-01-15 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Method of and apparatus for measuring temperature and pressure |
US4591721A (en) * | 1984-10-10 | 1986-05-27 | Andors Analyzers Incorporated | Oxygen analysis employing absorption spectroscopy |
-
1990
- 1990-02-22 FR FR9002181A patent/FR2658608B1/fr not_active Expired - Fee Related
-
1991
- 1991-02-12 DE DE69105295T patent/DE69105295T2/de not_active Expired - Fee Related
- 1991-02-12 EP EP91400341A patent/EP0443908B1/de not_active Expired - Lifetime
- 1991-02-15 US US07/655,915 patent/US5111055A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0443908A1 (de) | 1991-08-28 |
FR2658608A1 (fr) | 1991-08-23 |
EP0443908B1 (de) | 1994-11-30 |
US5111055A (en) | 1992-05-05 |
FR2658608B1 (fr) | 1993-12-03 |
DE69105295T2 (de) | 1995-06-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |