JPH0422459B2 - - Google Patents

Info

Publication number
JPH0422459B2
JPH0422459B2 JP60047980A JP4798085A JPH0422459B2 JP H0422459 B2 JPH0422459 B2 JP H0422459B2 JP 60047980 A JP60047980 A JP 60047980A JP 4798085 A JP4798085 A JP 4798085A JP H0422459 B2 JPH0422459 B2 JP H0422459B2
Authority
JP
Japan
Prior art keywords
smoke
light
smoke stream
mirror
concentration
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
Application number
JP60047980A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61207949A (ja
Inventor
Kazuo Konya
Shinichi Goto
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.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
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 Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP60047980A priority Critical patent/JPS61207949A/ja
Priority to US06/838,585 priority patent/US4719360A/en
Publication of JPS61207949A publication Critical patent/JPS61207949A/ja
Publication of JPH0422459B2 publication Critical patent/JPH0422459B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47Scattering, i.e. diffuse reflection
    • G01N21/49Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G01N21/534Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N2021/178Methods for obtaining spatial resolution of the property being measured
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/59Transmissivity
    • G01N21/5907Densitometers
    • G01N2021/5969Scanning of a tube, a cuvette, a volume of sample
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00Features of devices classified in G01N21/00
    • G01N2201/06Illumination; Optics
    • G01N2201/061Sources
    • G01N2201/06113Coherent sources; lasers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00Features of devices classified in G01N21/00
    • G01N2201/08Optical fibres; light guides
    • G01N2201/0833Fibre array at detector, resolving
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00Features of devices classified in G01N21/00
    • G01N2201/08Optical fibres; light guides
    • G01N2201/084Fibres for remote transmission

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material 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)
JP60047980A 1985-03-11 1985-03-11 熱機関の吐煙濃度測定方法 Granted JPS61207949A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP60047980A JPS61207949A (ja) 1985-03-11 1985-03-11 熱機関の吐煙濃度測定方法
US06/838,585 US4719360A (en) 1985-03-11 1986-03-11 Method for determination of concentration of smoke emanating from combustion engine and apparatus for working said method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60047980A JPS61207949A (ja) 1985-03-11 1985-03-11 熱機関の吐煙濃度測定方法

Publications (2)

Publication Number Publication Date
JPS61207949A JPS61207949A (ja) 1986-09-16
JPH0422459B2 true JPH0422459B2 (enrdf_load_stackoverflow) 1992-04-17

Family

ID=12790457

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60047980A Granted JPS61207949A (ja) 1985-03-11 1985-03-11 熱機関の吐煙濃度測定方法

Country Status (1)

Country Link
JP (1) JPS61207949A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS61207949A (ja) 1986-09-16

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term