DE2906981C2 - - Google Patents
Info
- Publication number
- DE2906981C2 DE2906981C2 DE19792906981 DE2906981A DE2906981C2 DE 2906981 C2 DE2906981 C2 DE 2906981C2 DE 19792906981 DE19792906981 DE 19792906981 DE 2906981 A DE2906981 A DE 2906981A DE 2906981 C2 DE2906981 C2 DE 2906981C2
- Authority
- DE
- Germany
- Prior art keywords
- flow
- pressure
- probe
- suction
- speed
- 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 - Lifetime
Links
- 239000000523 sample Substances 0.000 claims description 61
- 230000003068 static effect Effects 0.000 claims description 27
- 238000005259 measurement Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 9
- 230000005514 two-phase flow Effects 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims 1
- 230000001276 controlling effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 238000011088 calibration curve Methods 0.000 description 4
- 238000005204 segregation Methods 0.000 description 4
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012717 electrostatic precipitator Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003189 isokinetic effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000003921 particle size analysis Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/20—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
- G01N1/2035—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials by deviating part of a fluid stream, e.g. by drawing-off or tapping
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
- G01N2001/225—Sampling from a flowing stream of gas isokinetic, same flow rate for sample and bulk gas
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Sampling And Sample Adjustment (AREA)
- Measuring Fluid Pressure (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792906981 DE2906981A1 (de) | 1979-02-22 | 1979-02-22 | Verfahren und vorrichtung zur absaugung von zwei phasen aus einer zweiphasenstroemung mit einer messonde |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792906981 DE2906981A1 (de) | 1979-02-22 | 1979-02-22 | Verfahren und vorrichtung zur absaugung von zwei phasen aus einer zweiphasenstroemung mit einer messonde |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2906981A1 DE2906981A1 (de) | 1980-09-04 |
| DE2906981C2 true DE2906981C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-04-09 |
Family
ID=6063683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19792906981 Granted DE2906981A1 (de) | 1979-02-22 | 1979-02-22 | Verfahren und vorrichtung zur absaugung von zwei phasen aus einer zweiphasenstroemung mit einer messonde |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE2906981A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7907279B2 (en) | 2007-03-20 | 2011-03-15 | Jenoptik Laser, Optik, Systeme Gmbh | Apparatus and method for determining the particle size and/or particle shape of a particle mixture |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1598824A1 (de) * | 1966-12-24 | 1971-02-25 | Metallgesellschaft Ag | Vorrichtung zur Bestimmung des Staubgehaltes gasfoermiger Medien |
| US3793887A (en) * | 1972-12-05 | 1974-02-26 | Ford Motor Co | Isokinetic sampling probe |
| DE2327444A1 (de) * | 1973-05-25 | 1974-12-12 | Gieczinski | Geraet zur halbautomatischen gravimetrischen bestimmung des staubgehaltes von gasen |
-
1979
- 1979-02-22 DE DE19792906981 patent/DE2906981A1/de active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7907279B2 (en) | 2007-03-20 | 2011-03-15 | Jenoptik Laser, Optik, Systeme Gmbh | Apparatus and method for determining the particle size and/or particle shape of a particle mixture |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2906981A1 (de) | 1980-09-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE874581C (de) | Verfahren und Vorrichtung zum Betrieb eines Hydrozyklons | |
| EP0177718B1 (de) | Verfahren und Vorrichtung zur Sortierung von mikroskopischen Partikeln | |
| DE69409567T2 (de) | Durchflusszellenvorrichtung | |
| DE69021836T2 (de) | Verdünnungssystem mit Mehrrohrströmungsteiler. | |
| DE2940126A1 (de) | Verfahren und vorrichtung zum pruefen eines partikel enthaltenden gases | |
| DE3128807C2 (de) | Pneumatisches Fördersystem für Teilchenmaterial | |
| DE3224506C1 (de) | Einrichtung zur Bestimmung der Anteile an kondensierbaren und unkondensierbaren Gasen bzw. Daempfen in Prozessgasstroemen | |
| WO2010100549A2 (de) | Analyseverfahren und -geräte für fluide | |
| DE69931790T2 (de) | Luftdrucksensor | |
| DE3875071T2 (de) | Gasprobennahmevorrichtung. | |
| DE3414247C2 (de) | Vorrichtung zum Messen des Durchmessers von strang- oder stabförmigen Erzeugnissen der tabakverarbeitenden Industrie | |
| DE1673024A1 (de) | Einrichtung zur Analysierung und Produktionssteuerung eines teilchenfoermigen Stoffes | |
| DE956000C (de) | Vorrichtung zur kontinuierlichen Bestimmung der Viskositaet eines stroemenden Mediums, wie Fluessigkeit oder Gas oder deren Gemische mit Feststoffen | |
| DE2906981C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE69917837T2 (de) | Vorrichtung zur Regelung des Durchflusses eines Gases | |
| AT524564B1 (de) | Kalibriereinheit für Partikelmessgeräte | |
| DE68905330T2 (de) | Geraet zur messung und steuerung eines fluid-stromes durch eine trennwand. | |
| EP0777109A2 (de) | Vorrichtung zum Bestimmen der Stärke eines Gasvolumenstroms | |
| EP0096311B1 (de) | Prüfeinrichtung zur Messung der Luftdurchlässigkeit von textilen Materialbahnen | |
| EP0331772A1 (de) | Differenzdruckmesser für bidirektionale Gasströme | |
| DE69101722T2 (de) | Gas-Flüssigkeitsabscheider. | |
| EP3492901B1 (de) | Vorrichtung und verfahren zum verdünnen eines aerosols | |
| DE2832238C2 (de) | Impaktoranordnung zur Trennung der Partikel eines Aerosols in Korngrößenklassen | |
| DE2405786A1 (de) | Messverfahren und messeinrichtung zur gasstrommessung, insbesondere in gasabsaugeleitungen | |
| DE2853703A1 (de) | Kuevette zur mikroskopischen beobachtung und/oder optisch- elektrischen messung von in einer fluessigkeit suspendierten teilchen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |