DE3524118C2 - - Google Patents
Info
- Publication number
- DE3524118C2 DE3524118C2 DE3524118A DE3524118A DE3524118C2 DE 3524118 C2 DE3524118 C2 DE 3524118C2 DE 3524118 A DE3524118 A DE 3524118A DE 3524118 A DE3524118 A DE 3524118A DE 3524118 C2 DE3524118 C2 DE 3524118C2
- Authority
- DE
- Germany
- Prior art keywords
- annular gap
- tyndallometer
- scattered light
- measuring chamber
- calibration
- 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
Links
- 239000000428 dust Substances 0.000 claims description 19
- 238000005259 measurement Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 7
- 238000005065 mining Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000792859 Enema Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000007920 enema Substances 0.000 description 1
- 229940095399 enema Drugs 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
- G01N2021/151—Gas blown
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 (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853524118 DE3524118A1 (de) | 1985-07-05 | 1985-07-05 | Stationaeres tyndallometer fuer unter tage |
| EP19860630110 EP0208646B1 (de) | 1985-07-05 | 1986-07-02 | Stationäres Tyndallometer |
| JP1986103076U JPH0348521Y2 (enrdf_load_stackoverflow) | 1985-07-05 | 1986-07-04 | |
| ZA864980A ZA864980B (en) | 1985-07-05 | 1986-07-04 | Stationary tyndall meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853524118 DE3524118A1 (de) | 1985-07-05 | 1985-07-05 | Stationaeres tyndallometer fuer unter tage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3524118A1 DE3524118A1 (de) | 1987-01-15 |
| DE3524118C2 true DE3524118C2 (enrdf_load_stackoverflow) | 1989-08-24 |
Family
ID=6275080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19853524118 Granted DE3524118A1 (de) | 1985-07-05 | 1985-07-05 | Stationaeres tyndallometer fuer unter tage |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE3524118A1 (enrdf_load_stackoverflow) |
| ZA (1) | ZA864980B (enrdf_load_stackoverflow) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE661589C (de) * | 1930-11-19 | 1938-06-22 | Siemens & Halske Akt Ges | Rauchdichtemesser |
| US3628028A (en) * | 1968-03-01 | 1971-12-14 | Honeywell Inc | Window cleaning apparatus for photometric instruments |
| DE1993225U (de) * | 1968-05-31 | 1968-09-05 | Erwin Sick | Spuelluftvorsatz. |
| US3994601A (en) * | 1975-07-25 | 1976-11-30 | Brugger Richard D | Dynamic calibration unit for a transmissometer |
| JPS57199943A (en) * | 1981-06-03 | 1982-12-08 | Hitachi Ltd | Measuring device for wetness of steam |
-
1985
- 1985-07-05 DE DE19853524118 patent/DE3524118A1/de active Granted
-
1986
- 1986-07-04 ZA ZA864980A patent/ZA864980B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE3524118A1 (de) | 1987-01-15 |
| ZA864980B (en) | 1987-03-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |