JPS61207949A - 熱機関の吐煙濃度測定方法 - Google Patents
熱機関の吐煙濃度測定方法Info
- Publication number
- JPS61207949A JPS61207949A JP60047980A JP4798085A JPS61207949A JP S61207949 A JPS61207949 A JP S61207949A JP 60047980 A JP60047980 A JP 60047980A JP 4798085 A JP4798085 A JP 4798085A JP S61207949 A JPS61207949 A JP S61207949A
- Authority
- JP
- Japan
- Prior art keywords
- mirror
- light
- laser beam
- smoke
- smoke flow
- 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.)
- Granted
Links
- 239000000779 smoke Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 20
- 239000002245 particle Substances 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 4
- 239000010419 fine particle Substances 0.000 abstract description 4
- 230000003287 optical effect Effects 0.000 abstract description 3
- 230000001678 irradiating effect Effects 0.000 abstract 1
- 239000003365 glass fiber Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 238000000691 measurement method Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 1
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
- G01N21/47—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
- G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity
-
- 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
- G01N2021/178—Methods for obtaining spatial resolution of the property being measured
-
- 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
- G01N21/59—Transmissivity
- G01N21/5907—Densitometers
- G01N2021/5969—Scanning of a tube, a cuvette, a volume of sample
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/061—Sources
- G01N2201/06113—Coherent sources; lasers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/08—Optical fibres; light guides
- G01N2201/0833—Fibre array at detector, resolving
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/08—Optical fibres; light guides
- G01N2201/084—Fibres 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)
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 true JPS61207949A (ja) | 1986-09-16 |
JPH0422459B2 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) |
-
1985
- 1985-03-11 JP JP60047980A patent/JPS61207949A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0422459B2 (enrdf_load_stackoverflow) | 1992-04-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3861809A (en) | Confocal cavity optical gas sensor | |
US4081215A (en) | Stable two-channel, single-filter spectrometer | |
US4540283A (en) | Apparatus and method for determining the size and velocity of particles, droplets, bubbles or the like using laser light scattering | |
US4254337A (en) | Infrared interference type film thickness measuring method and instrument therefor | |
US4249244A (en) | Electro-optical system and method and apparatus for providing automatically-compensating, traceable calibration and zeroing for light scattering devices | |
US4537507A (en) | Dual beam maximum intensity laser sizing system | |
US5748311A (en) | Apparatus and method of particle geometry measurement by speckle pattern analysis | |
US6841778B1 (en) | Method and apparatus for measuring particulates in vehicle emissions | |
US5908789A (en) | Analysis of gas mixtures with an infrared method | |
US4737648A (en) | Apparatus for detecting fibrous particle sizes by detecting scattered light at different angles | |
CN101118210A (zh) | 光散射检测器 | |
JP2001033384A (ja) | 多走査ビーム反射率を用いる粒子評価のための方法および装置 | |
JPH07501397A (ja) | 測定方法および装置 | |
US4719360A (en) | Method for determination of concentration of smoke emanating from combustion engine and apparatus for working said method | |
Petrak | Simultaneous measurement of particle size and particle velocity by the spatial filtering technique | |
JPH02266247A (ja) | ウェブ検査方法および装置 | |
JPH05506503A (ja) | 均一マルチセンサ検出のための分流 | |
CN112557269A (zh) | 一种探入式收发一体光纤粉尘浓度测量装置及方法 | |
JPH0321072B2 (enrdf_load_stackoverflow) | ||
US4477187A (en) | Apparatus and method for sizing particles | |
JP3433238B2 (ja) | 透明なフィラメントの直径を測定する方法 | |
US3947127A (en) | Optical component functional tester | |
JPS61207949A (ja) | 熱機関の吐煙濃度測定方法 | |
JPS5972012A (ja) | ギヤツプおよび角度の検出方法ならびに装置 | |
Naining et al. | A study of the accuracy of optical Fraunhofer diffraction size analyzer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |