FR2753531B1 - METHOD FOR ADJUSTING THE ILLUMINATION LEVEL OF A SAMPLE IN A GRANULOMETRY SYSTEM BY IMAGE ANALYSIS - Google Patents

METHOD FOR ADJUSTING THE ILLUMINATION LEVEL OF A SAMPLE IN A GRANULOMETRY SYSTEM BY IMAGE ANALYSIS

Info

Publication number
FR2753531B1
FR2753531B1 FR9611415A FR9611415A FR2753531B1 FR 2753531 B1 FR2753531 B1 FR 2753531B1 FR 9611415 A FR9611415 A FR 9611415A FR 9611415 A FR9611415 A FR 9611415A FR 2753531 B1 FR2753531 B1 FR 2753531B1
Authority
FR
France
Prior art keywords
granulometry
sample
adjusting
image analysis
illumination level
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 - Lifetime
Application number
FR9611415A
Other languages
French (fr)
Other versions
FR2753531A1 (en
Inventor
Gerard Andre Lordet
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.)
Safran Aircraft Engines SAS
Original Assignee
Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
SNECMA SAS
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
Application filed by Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA, SNECMA SAS filed Critical Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
Priority to FR9611415A priority Critical patent/FR2753531B1/en
Publication of FR2753531A1 publication Critical patent/FR2753531A1/en
Application granted granted Critical
Publication of FR2753531B1 publication Critical patent/FR2753531B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01N15/06—Investigating concentration of particle suspensions
    • G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
    • G01N15/0618—Investigating concentration of particle suspensions by collecting particles on a support of the filter type
    • 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, e.g. by light scattering, diffraction, holography or imaging
    • G01N15/0227—Investigating particle size or size distribution by optical means, e.g. by light scattering, diffraction, holography or imaging using imaging, e.g. a projected image of suspension; using holography

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 Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
FR9611415A 1996-09-19 1996-09-19 METHOD FOR ADJUSTING THE ILLUMINATION LEVEL OF A SAMPLE IN A GRANULOMETRY SYSTEM BY IMAGE ANALYSIS Expired - Lifetime FR2753531B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9611415A FR2753531B1 (en) 1996-09-19 1996-09-19 METHOD FOR ADJUSTING THE ILLUMINATION LEVEL OF A SAMPLE IN A GRANULOMETRY SYSTEM BY IMAGE ANALYSIS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9611415A FR2753531B1 (en) 1996-09-19 1996-09-19 METHOD FOR ADJUSTING THE ILLUMINATION LEVEL OF A SAMPLE IN A GRANULOMETRY SYSTEM BY IMAGE ANALYSIS

Publications (2)

Publication Number Publication Date
FR2753531A1 FR2753531A1 (en) 1998-03-20
FR2753531B1 true FR2753531B1 (en) 1998-10-16

Family

ID=9495879

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9611415A Expired - Lifetime FR2753531B1 (en) 1996-09-19 1996-09-19 METHOD FOR ADJUSTING THE ILLUMINATION LEVEL OF A SAMPLE IN A GRANULOMETRY SYSTEM BY IMAGE ANALYSIS

Country Status (1)

Country Link
FR (1) FR2753531B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005049227B4 (en) * 2005-10-14 2007-10-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Device and method for monitoring the particle load of a fluid
DE102007013321A1 (en) * 2007-03-20 2008-09-25 Jenoptik Laser, Optik, Systeme Gmbh Apparatus and method for determining particle size and / or particle shape of a particle mixture

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2569475B3 (en) * 1984-08-24 1986-09-05 Sacilor METHOD AND DEVICE FOR MEASURING POLLUTION OF A FLUID
EP0264427A1 (en) * 1986-05-05 1988-04-27 Hughes Aircraft Company Method and apparatus for identifying particulate matter
DE4004699A1 (en) * 1990-02-15 1991-08-22 Krieg Gunther Photographically measuring size distribution of ground coffee - taken by gas stream through transverse light beam
US5335293A (en) * 1992-06-16 1994-08-02 Key Technology, Inc. Product inspection method and apparatus
FI96058C (en) * 1992-12-07 1996-04-25 Valtion Teknillinen Method and Apparatus for Analyzing Particles in Medium and Determining Continuous Wear Condition of Mechanical Contact Continuously

Also Published As

Publication number Publication date
FR2753531A1 (en) 1998-03-20

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Year of fee payment: 20