JPS5298578A - Soot and dust densitometer - Google Patents

Soot and dust densitometer

Info

Publication number
JPS5298578A
JPS5298578A JP1509976A JP1509976A JPS5298578A JP S5298578 A JPS5298578 A JP S5298578A JP 1509976 A JP1509976 A JP 1509976A JP 1509976 A JP1509976 A JP 1509976A JP S5298578 A JPS5298578 A JP S5298578A
Authority
JP
Japan
Prior art keywords
soot
dust
dust densitometer
densitometer
gas
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.)
Pending
Application number
JP1509976A
Other languages
Japanese (ja)
Inventor
Makoto Kikuchi
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP1509976A priority Critical patent/JPS5298578A/en
Publication of JPS5298578A publication Critical patent/JPS5298578A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

PURPOSE:Measurement of the concentration of soot and dust at high accuracy is made possible by providing a gas curtain of cylindrical form into which specimen gas is introduced, within the resonator of a laser oscillator.
JP1509976A 1976-02-14 1976-02-14 Soot and dust densitometer Pending JPS5298578A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1509976A JPS5298578A (en) 1976-02-14 1976-02-14 Soot and dust densitometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1509976A JPS5298578A (en) 1976-02-14 1976-02-14 Soot and dust densitometer

Publications (1)

Publication Number Publication Date
JPS5298578A true JPS5298578A (en) 1977-08-18

Family

ID=11879386

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1509976A Pending JPS5298578A (en) 1976-02-14 1976-02-14 Soot and dust densitometer

Country Status (1)

Country Link
JP (1) JPS5298578A (en)

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