DE2120984A1 - Verfahren und Vorrichtung zum Messen der Lichtdurchlässigkeit von absorptionsfähigen oder streuend wirkenden Medien - Google Patents
Verfahren und Vorrichtung zum Messen der Lichtdurchlässigkeit von absorptionsfähigen oder streuend wirkenden MedienInfo
- Publication number
- DE2120984A1 DE2120984A1 DE19712120984 DE2120984A DE2120984A1 DE 2120984 A1 DE2120984 A1 DE 2120984A1 DE 19712120984 DE19712120984 DE 19712120984 DE 2120984 A DE2120984 A DE 2120984A DE 2120984 A1 DE2120984 A1 DE 2120984A1
- Authority
- DE
- Germany
- Prior art keywords
- light
- medium
- measurement object
- detector
- light source
- 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
Links
- 238000000034 method Methods 0.000 title claims description 17
- 230000005540 biological transmission Effects 0.000 title description 6
- 230000002745 absorbent Effects 0.000 title description 2
- 239000002250 absorbent Substances 0.000 title description 2
- 239000000779 smoke Substances 0.000 claims description 32
- 238000005259 measurement Methods 0.000 claims description 28
- 230000035699 permeability Effects 0.000 claims description 7
- 230000005284 excitation Effects 0.000 claims description 2
- 241001310793 Podium Species 0.000 claims 1
- 230000008030 elimination Effects 0.000 claims 1
- 238000003379 elimination reaction Methods 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 43
- 235000019557 luminance Nutrition 0.000 description 15
- 238000012360 testing method Methods 0.000 description 13
- 235000007877 Diospyros australis Nutrition 0.000 description 2
- 235000010875 Prunus nigra Nutrition 0.000 description 2
- 240000002577 Prunus nigra Species 0.000 description 2
- 235000018288 Vitex doniana Nutrition 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US3254970A | 1970-04-28 | 1970-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2120984A1 true DE2120984A1 (de) | 1971-11-18 |
Family
ID=21865528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712120984 Pending DE2120984A1 (de) | 1970-04-28 | 1971-04-28 | Verfahren und Vorrichtung zum Messen der Lichtdurchlässigkeit von absorptionsfähigen oder streuend wirkenden Medien |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3632209A (OSRAM) |
| JP (1) | JPS5626815B1 (OSRAM) |
| DE (1) | DE2120984A1 (OSRAM) |
| FR (1) | FR2090814A5 (OSRAM) |
| GB (1) | GB1312838A (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110458825A (zh) * | 2019-08-08 | 2019-11-15 | 西安近代化学研究所 | 一种流场烟雾透过率分布测试装置及数据处理方法 |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3711210A (en) * | 1971-07-06 | 1973-01-16 | R Krukowski | Smoke meter |
| US3752995A (en) * | 1972-04-07 | 1973-08-14 | Coulter Electronics | Blank value storing photometer |
| US3927317A (en) * | 1972-04-07 | 1975-12-16 | Coulter Electronics | Blank value storing photometer circuitry |
| US3863066A (en) * | 1973-04-16 | 1975-01-28 | Coulter Electronics | Voltage run-down circuit |
| GB9102467D0 (en) * | 1991-02-05 | 1991-03-20 | Marconi Gec Ltd | Exhaust gas particle measurement |
| US5760911A (en) * | 1994-04-22 | 1998-06-02 | Bha Group Holdings, Inc. | Continuous particulate emissions monitor calibrator |
| EP0968876A1 (fr) | 1998-06-30 | 2000-01-05 | Symbol S.A./N.V. | Poubelle de véhicule |
| CN119246436B (zh) * | 2024-12-05 | 2025-02-25 | 成都精思仪器有限公司 | 一种林格曼测烟望远镜黑度值测量方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2198971A (en) * | 1938-09-19 | 1940-04-30 | Neufeld Jacob | Method of measuring visibility |
-
1970
- 1970-04-28 US US32549A patent/US3632209A/en not_active Expired - Lifetime
- 1970-12-08 GB GB5817270A patent/GB1312838A/en not_active Expired
- 1970-12-31 JP JP12379770A patent/JPS5626815B1/ja active Pending
-
1971
- 1971-04-27 FR FR7115025A patent/FR2090814A5/fr not_active Expired
- 1971-04-28 DE DE19712120984 patent/DE2120984A1/de active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110458825A (zh) * | 2019-08-08 | 2019-11-15 | 西安近代化学研究所 | 一种流场烟雾透过率分布测试装置及数据处理方法 |
| CN110458825B (zh) * | 2019-08-08 | 2022-05-24 | 西安近代化学研究所 | 一种流场烟雾透过率分布测试装置及数据处理方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US3632209A (en) | 1972-01-04 |
| FR2090814A5 (OSRAM) | 1972-01-14 |
| GB1312838A (en) | 1973-04-11 |
| JPS5626815B1 (OSRAM) | 1981-06-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHN | Withdrawal |