DE3270572D1 - Improvements in or relating to the measurement of the size of particles - Google Patents
Improvements in or relating to the measurement of the size of particlesInfo
- Publication number
- DE3270572D1 DE3270572D1 DE8282302582T DE3270572T DE3270572D1 DE 3270572 D1 DE3270572 D1 DE 3270572D1 DE 8282302582 T DE8282302582 T DE 8282302582T DE 3270572 T DE3270572 T DE 3270572T DE 3270572 D1 DE3270572 D1 DE 3270572D1
- Authority
- DE
- Germany
- Prior art keywords
- particles
- size
- relating
- measurement
- backscattered
- 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
Links
- 239000002245 particle Substances 0.000 title abstract 4
- 238000005259 measurement Methods 0.000 title 1
- 239000012798 spherical particle Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means
- G01N15/0211—Investigating a scatter or diffraction pattern
Landscapes
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dispersion Chemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8117190 | 1981-06-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3270572D1 true DE3270572D1 (en) | 1986-05-22 |
Family
ID=10522287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8282302582T Expired DE3270572D1 (en) | 1981-06-04 | 1982-05-20 | Improvements in or relating to the measurement of the size of particles |
Country Status (5)
Country | Link |
---|---|
US (1) | US4492467A (de) |
EP (1) | EP0067554B1 (de) |
AT (1) | ATE19302T1 (de) |
DE (1) | DE3270572D1 (de) |
DK (1) | DK245882A (de) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4652755A (en) * | 1985-01-10 | 1987-03-24 | Advanced Fuel Research, Inc. | Method and apparatus for analyzing particle-containing gaseous suspensions |
US4890920A (en) * | 1986-02-12 | 1990-01-02 | Combustion Engineering, Inc. | In situ particle size measuring device |
US4871251A (en) * | 1987-04-27 | 1989-10-03 | Preikschat F K | Apparatus and method for particle analysis |
AU609394B2 (en) * | 1987-04-27 | 1991-05-02 | Mettler-Toledo Autochem, Inc. | Apparatus and method for particle analysis |
US4854705A (en) * | 1988-04-05 | 1989-08-08 | Aerometrics, Inc. | Method and apparatus to determine the size and velocity of particles using light scatter detection from confocal beams |
US4917496A (en) * | 1988-07-11 | 1990-04-17 | Pacific Scientific Company | Particle size measuring instrument with direct scattered light detection |
US5012118A (en) * | 1989-12-13 | 1991-04-30 | Preikschat F K | Apparatus and method for particle analysis |
US5063301A (en) * | 1989-12-21 | 1991-11-05 | The Standard Oil Company | Noninvasive method and apparatus using coherent backscattering for process control |
GB2284050B (en) * | 1991-02-05 | 1995-08-02 | Marconi Gec Ltd | Gaseous suspension particle size measurement |
US5192870A (en) * | 1992-01-14 | 1993-03-09 | International Business Machines Corporation | Optical submicron aerosol particle detector |
US5383024A (en) * | 1992-08-12 | 1995-01-17 | Martin Marietta Energy Systems, Inc. | Optical wet steam monitor |
US5426501A (en) * | 1993-01-06 | 1995-06-20 | Laser Sensor Technology, Inc. | Apparatus and method for particle analysis |
US5428438A (en) * | 1993-08-30 | 1995-06-27 | Northrop Grumman Corporation | Laser ranging and detection system employing a geometric coherent/incoherent beam separator |
US5619043A (en) * | 1994-09-21 | 1997-04-08 | Laser Sensor Technology, Inc. | System for acquiring an image of a multi-phase fluid by measuring backscattered light |
US5546183A (en) * | 1994-10-12 | 1996-08-13 | Northrop Grumman Corporation | Lidar droplet size monitor for in-flight measurement of aircraft engine exhaust contrails, droplets and aerosols |
ES2143378B1 (es) * | 1997-10-03 | 2000-12-01 | Sener Ing & Sist | Procedimiento y aparato para la caracterizacion de sprays compuestos por particulas esfericas. |
US6153873A (en) * | 1998-05-20 | 2000-11-28 | E. I. Dupont De Numours And Company | Optical probe having an imaging apparatus |
US6256102B1 (en) | 1999-04-27 | 2001-07-03 | University Of Central Florida | Dual-beam low-coherence interferometer with improved signal-to-noise ratio |
US6963400B1 (en) * | 2003-08-19 | 2005-11-08 | The United States Of America As Represented By The Secretary Of The Army | Systems and methods for analyzing particle systems using polarized scattered light |
US6958812B1 (en) * | 2003-08-19 | 2005-10-25 | The United States Of America As Represented By The Secretary Of The Army | Systems and methods for analyzing particle systems of surface facets using polarized scattered light |
US7440102B1 (en) | 2005-08-26 | 2008-10-21 | The United States Of America As Represented By The Secretary Of The Army | Systems and methods for analyzing polarized light scattered from a sample |
JP6473580B2 (ja) * | 2013-07-29 | 2019-02-20 | 学校法人 東洋大学 | 粒径測定装置および粒径測定方法 |
FR3030748B1 (fr) | 2014-12-17 | 2017-01-27 | Commissariat Energie Atomique | Systeme d'observation d'objets |
US10634598B2 (en) | 2015-10-02 | 2020-04-28 | Institut National D'optique | System and method for individual particle sizing using light scattering techniques |
EP3608653B1 (de) | 2018-08-06 | 2024-03-13 | Institut von Karman de Dynamique des Fluides, AISBL | Vorrichtung und verfahren zur messung der teilchengrösse mittels rückgestreutem licht |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3653767A (en) * | 1967-04-10 | 1972-04-04 | American Standard Inc | Particle size distribution measurement using polarized light of a plurality of wavelengths |
DE1802269C3 (de) * | 1968-10-10 | 1979-09-27 | Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe | Verfahren zum Messen der Konzentration und/oder Größe von Schwebstoffteilchen |
US3835315A (en) * | 1972-12-06 | 1974-09-10 | Us Commerce | System for determining parameters of a particle by radiant energy scattering techniques |
US4173415A (en) * | 1976-08-20 | 1979-11-06 | Science Spectrum, Inc. | Apparatus and process for rapidly characterizing and differentiating large organic cells |
US4286876A (en) * | 1979-01-02 | 1981-09-01 | Coulter Electronics, Inc. | Apparatus and method for measuring scattering of light in particle detection systems |
GB2054143B (en) * | 1979-07-11 | 1983-06-29 | Atomic Energy Authority Uk | Measurement of the size of particles dispersed in a fluid |
US4385830A (en) * | 1980-11-26 | 1983-05-31 | Cornell Research Foundation, Inc. | Direct measurement of vorticity by optical probe |
-
1982
- 1982-05-20 DE DE8282302582T patent/DE3270572D1/de not_active Expired
- 1982-05-20 EP EP82302582A patent/EP0067554B1/de not_active Expired
- 1982-05-20 AT AT82302582T patent/ATE19302T1/de not_active IP Right Cessation
- 1982-05-25 US US06/381,855 patent/US4492467A/en not_active Expired - Fee Related
- 1982-06-01 DK DK245882A patent/DK245882A/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
ATE19302T1 (de) | 1986-05-15 |
EP0067554A1 (de) | 1982-12-22 |
US4492467A (en) | 1985-01-08 |
DK245882A (da) | 1982-12-05 |
EP0067554B1 (de) | 1986-04-16 |
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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 |