GB2284049B - Gaseous suspension particle size measurement - Google Patents
Gaseous suspension particle size measurementInfo
- Publication number
- GB2284049B GB2284049B GB9501130A GB9501130A GB2284049B GB 2284049 B GB2284049 B GB 2284049B GB 9501130 A GB9501130 A GB 9501130A GB 9501130 A GB9501130 A GB 9501130A GB 2284049 B GB2284049 B GB 2284049B
- Authority
- GB
- United Kingdom
- Prior art keywords
- particle size
- size measurement
- gaseous suspension
- suspension particle
- gaseous
- 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
- 238000005259 measurement Methods 0.000 title 1
- 239000002245 particle Substances 0.000 title 1
- 239000000725 suspension Substances 0.000 title 1
Classifications
-
- 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
-
- 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
-
- 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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
- G01N2021/3148—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths using three or more wavelengths
-
- 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
- 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
- G01N2021/4711—Multiangle measurement
-
- 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
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
- G01N21/532—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke with measurement of scattering and transmission
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9501130A GB2284049B (en) | 1991-02-05 | 1991-03-19 | Gaseous suspension particle size measurement |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB919102467A GB9102467D0 (en) | 1991-02-05 | 1991-02-05 | Exhaust gas particle measurement |
GB9501130A GB2284049B (en) | 1991-02-05 | 1991-03-19 | Gaseous suspension particle size measurement |
GB9105731A GB2252621B (en) | 1991-02-05 | 1991-03-19 | Exhaust gas opacity measurement |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9501130D0 GB9501130D0 (en) | 1995-03-08 |
GB2284049A GB2284049A (en) | 1995-05-24 |
GB2284049B true GB2284049B (en) | 1995-08-02 |
Family
ID=26298398
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9501131A Expired - Fee Related GB2284050B (en) | 1991-02-05 | 1991-03-19 | Gaseous suspension particle size measurement |
GB9501130A Expired - Fee Related GB2284049B (en) | 1991-02-05 | 1991-03-19 | Gaseous suspension particle size measurement |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9501131A Expired - Fee Related GB2284050B (en) | 1991-02-05 | 1991-03-19 | Gaseous suspension particle size measurement |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB2284050B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19724228A1 (en) * | 1997-06-03 | 1998-12-10 | Holger Dyja | Method for measuring size distribution, optical characteristics or particle concentration |
GB2404979B (en) * | 2003-08-15 | 2006-07-12 | Omitec Group Ltd | Testing diesel engines |
DE102010038897A1 (en) * | 2010-08-04 | 2012-02-09 | Robert Bosch Gmbh | Scattered light measurement method |
DE102017220461A1 (en) * | 2017-11-16 | 2019-05-16 | Robert Bosch Gmbh | particle sensor |
WO2022105258A1 (en) * | 2020-11-21 | 2022-05-27 | 山东鸣川汽车集团有限公司 | Environmental monitoring method |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4361403A (en) * | 1978-06-26 | 1982-11-30 | Loos Hendricus G | Multiple wavelength instrument for measurement of particle size distributions |
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 |
US4957363A (en) * | 1987-07-03 | 1990-09-18 | Hitachi, Ltd. | Apparatus for measuring characteristics of particles in fluid by detecting light scattered at the particles |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE19302T1 (en) * | 1981-06-04 | 1986-05-15 | Atomic Energy Authority Uk | MEASUREMENT OF THE PARTICLE SIZE. |
US4801205A (en) * | 1984-06-30 | 1989-01-31 | Kabushiki Kaisha Toshiba | Particle size measuring apparatus |
US4781460A (en) * | 1986-01-08 | 1988-11-01 | Coulter Electronics Of New England, Inc. | System for measuring the size distribution of particles dispersed in a fluid |
GB2193570B (en) * | 1986-08-05 | 1990-01-24 | Secr Defence | Analyser for airborne particles |
JPS63215942A (en) * | 1987-03-04 | 1988-09-08 | Natl Aerospace Lab | Photoelectric conversion sensor for measuring particle size distribution |
JP2641927B2 (en) * | 1988-11-16 | 1997-08-20 | 興和株式会社 | Particle measurement device |
US5056918A (en) * | 1989-03-03 | 1991-10-15 | Coulter Electronics Of New England, Inc. | Method and apparatus for particle size analysis |
JPH0462455A (en) * | 1990-06-29 | 1992-02-27 | Shimadzu Corp | Particle size distribution measuring instrument |
JP2863874B2 (en) * | 1990-12-30 | 1999-03-03 | 株式会社堀場製作所 | Particle size distribution analyzer |
-
1991
- 1991-03-19 GB GB9501131A patent/GB2284050B/en not_active Expired - Fee Related
- 1991-03-19 GB GB9501130A patent/GB2284049B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4361403A (en) * | 1978-06-26 | 1982-11-30 | Loos Hendricus G | Multiple wavelength instrument for measurement of particle size distributions |
US4957363A (en) * | 1987-07-03 | 1990-09-18 | Hitachi, Ltd. | Apparatus for measuring characteristics of particles in fluid by detecting light scattered at the particles |
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 |
Also Published As
Publication number | Publication date |
---|---|
GB9501130D0 (en) | 1995-03-08 |
GB2284050A (en) | 1995-05-24 |
GB2284050B (en) | 1995-08-02 |
GB9501131D0 (en) | 1995-03-08 |
GB2284049A (en) | 1995-05-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20020319 |