GB2284049B - Gaseous suspension particle size measurement - Google Patents

Gaseous suspension particle size measurement

Info

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
Application number
GB9501130A
Other versions
GB9501130D0 (en
GB2284049A (en
Inventor
John Albert Pye
Philip Edward Stephens
Paul Steven Derbyshire
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BAE Systems Electronics Ltd
Original Assignee
GEC Marconi Ltd
Marconi Co Ltd
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
Priority claimed from GB919102467A external-priority patent/GB9102467D0/en
Application filed by GEC Marconi Ltd, Marconi Co Ltd filed Critical GEC Marconi Ltd
Priority to GB9501130A priority Critical patent/GB2284049B/en
Publication of GB9501130D0 publication Critical patent/GB9501130D0/en
Publication of GB2284049A publication Critical patent/GB2284049A/en
Application granted granted Critical
Publication of GB2284049B publication Critical patent/GB2284049B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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)
GB9501130A 1991-02-05 1991-03-19 Gaseous suspension particle size measurement Expired - Fee Related GB2284049B (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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