GB2226419B - Apparatus for recording the presence of discontinuities in liquid - Google Patents

Apparatus for recording the presence of discontinuities in liquid

Info

Publication number
GB2226419B
GB2226419B GB8927267A GB8927267A GB2226419B GB 2226419 B GB2226419 B GB 2226419B GB 8927267 A GB8927267 A GB 8927267A GB 8927267 A GB8927267 A GB 8927267A GB 2226419 B GB2226419 B GB 2226419B
Authority
GB
United Kingdom
Prior art keywords
discontinuities
recording
liquid
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
GB8927267A
Other versions
GB2226419A (en
GB8927267D0 (en
Inventor
Robert Leonard Cooke
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 PLC
Original Assignee
British Aerospace PLC
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 British Aerospace PLC filed Critical British Aerospace PLC
Publication of GB8927267D0 publication Critical patent/GB8927267D0/en
Publication of GB2226419A publication Critical patent/GB2226419A/en
Application granted granted Critical
Publication of GB2226419B publication Critical patent/GB2226419B/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
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0205—Investigating particle size or size distribution by optical means
    • G01N15/0227—Investigating particle size or size distribution by optical means using imaging; using holography
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • G01N21/8507—Probe photometers, i.e. with optical measuring part dipped into fluid sample
    • 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
    • G01N2015/0007—Investigating dispersion of gas
    • G01N2015/0011—Investigating dispersion of gas in liquids, e.g. bubbles

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Dispersion Chemistry (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Microscoopes, Condenser (AREA)
GB8927267A 1988-12-21 1989-12-01 Apparatus for recording the presence of discontinuities in liquid Expired - Lifetime GB2226419B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888829788A GB8829788D0 (en) 1988-12-21 1988-12-21 Shadowgraph

Publications (3)

Publication Number Publication Date
GB8927267D0 GB8927267D0 (en) 1990-01-31
GB2226419A GB2226419A (en) 1990-06-27
GB2226419B true GB2226419B (en) 1992-11-04

Family

ID=10648858

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888829788A Pending GB8829788D0 (en) 1988-12-21 1988-12-21 Shadowgraph
GB8927267A Expired - Lifetime GB2226419B (en) 1988-12-21 1989-12-01 Apparatus for recording the presence of discontinuities in liquid

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888829788A Pending GB8829788D0 (en) 1988-12-21 1988-12-21 Shadowgraph

Country Status (1)

Country Link
GB (2) GB8829788D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19633963C2 (en) * 1996-08-22 1998-05-28 Schaffner David Dr Probe for the optical detection of fluidized particles or drops

Also Published As

Publication number Publication date
GB2226419A (en) 1990-06-27
GB8927267D0 (en) 1990-01-31
GB8829788D0 (en) 1989-09-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19991201