CA1075489A - Measurement and control of multicomponent liquid systems - Google Patents
Measurement and control of multicomponent liquid systemsInfo
- Publication number
- CA1075489A CA1075489A CA254,503A CA254503A CA1075489A CA 1075489 A CA1075489 A CA 1075489A CA 254503 A CA254503 A CA 254503A CA 1075489 A CA1075489 A CA 1075489A
- Authority
- CA
- Canada
- Prior art keywords
- heat
- transit time
- liquid
- impulse
- flowrate
- 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
- 239000007788 liquid Substances 0.000 title claims abstract description 58
- 238000005259 measurement Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 claims abstract description 50
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 230000001174 ascending effect Effects 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000002347 injection Methods 0.000 claims abstract description 7
- 239000007924 injection Substances 0.000 claims abstract description 7
- 230000000977 initiatory effect Effects 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
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- 230000002596 correlated effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 2
- 238000012886 linear function Methods 0.000 claims description 2
- 239000011541 reaction mixture Substances 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 claims 3
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 239000007921 spray Substances 0.000 abstract description 4
- 230000001419 dependent effect Effects 0.000 abstract 1
- 239000004922 lacquer Substances 0.000 description 7
- 239000012530 fluid Substances 0.000 description 6
- 239000005056 polyisocyanate Substances 0.000 description 5
- 229920001228 polyisocyanate Polymers 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000004848 polyfunctional curative Substances 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000007592 spray painting technique Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- QWGDMFLQWFTERH-UHFFFAOYSA-N amoxapine Chemical compound C12=CC(Cl)=CC=C2OC2=CC=CC=C2N=C1N1CCNCC1 QWGDMFLQWFTERH-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920006149 polyester-amide block copolymer Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 229920006295 polythiol Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
- G01F1/7044—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter using thermal tracers
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D11/00—Control of flow ratio
- G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
- G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
- G05D11/131—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components
- G05D11/132—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components by controlling the flow of the individual components
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/06—Control of flow characterised by the use of electric means
- G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
- G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
- G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Fluid Mechanics (AREA)
- Control Of Non-Electrical Variables (AREA)
- Measuring Volume Flow (AREA)
- Accessories For Mixers (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Nozzles (AREA)
- Coating Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752527378 DE2527378B2 (de) | 1975-06-19 | 1975-06-19 | Verfahren und vorrichtung zur dosierung von mehrkomponenten-fluessigsystemen |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1075489A true CA1075489A (en) | 1980-04-15 |
Family
ID=5949465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA254,503A Expired CA1075489A (en) | 1975-06-19 | 1976-06-10 | Measurement and control of multicomponent liquid systems |
Country Status (15)
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2936223A1 (de) * | 1979-09-07 | 1981-03-19 | Bayer Ag, 5090 Leverkusen | Verfahren und einrichtung zum herstellen eines reaktionsgemisches aus fliessfaehigen, schaum- oder massivstoff bildenden komponenten |
DE3231663C2 (de) * | 1981-01-19 | 1987-09-17 | Anima Corp | Messvorrichtung zum Messen der Str¦mungsgeschwindigkeit und/oder des Durchflussvoluments eines Fluids |
JPS57211015A (en) * | 1981-06-22 | 1982-12-24 | Anima Kk | Heat pulse type thermometer |
JPS57206830A (en) * | 1981-06-12 | 1982-12-18 | Anima Kk | Heat pulse system flow meter |
JPS57120816A (en) * | 1981-01-19 | 1982-07-28 | Anima Kk | Heat ray pulse flowmeter |
GB2116720B (en) * | 1982-03-08 | 1986-03-12 | Roeh Ind Ltd | Flow rate sensor |
JPS5978928U (ja) * | 1982-11-18 | 1984-05-28 | 澤藤電機株式会社 | デイ−ゼルエンジンの燃料流量計 |
DE3420815A1 (de) * | 1984-05-30 | 1986-05-22 | Andreas Dr. 1000 Berlin Kage | Elektronische dosiereinheit zur dosierung geringster loesungsmittelmengen unter hohem druck mittels eines nahezu traegheitslosen mikrodosierventils, eines loesungsmittelunabhaengigen flussmesssystems und einer axialverschleppungsarmen messstrecke |
JPS6074049U (ja) * | 1984-06-07 | 1985-05-24 | 株式会社島津製作所 | ガスクロマトグラフ |
JPS6190765A (ja) * | 1984-10-11 | 1986-05-08 | Toyota Motor Corp | 多液塗装方法 |
DE4243573A1 (de) * | 1992-12-22 | 1994-06-23 | Lang Apparatebau Gmbh | Kalorimetrischer Durchflußmesser |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3019647A (en) * | 1957-08-30 | 1962-02-06 | Honeywell Regulator Co | Electrical fluid-flow measuring apparatus |
DE1913544A1 (de) * | 1969-03-18 | 1970-10-01 | Appbau Gauting Gmbh | Messverfahren und Vorrichtung zur Bestimmung der Stroemungsgeschwindigkeit und Stroemungsrichtung eines Mediums |
DE1954835A1 (de) * | 1969-10-31 | 1971-05-13 | Rota App Und Maschb Dr Hennig | Durchflussmesser nach dem Impulsfrequenz-Verfahren |
DE2151774C3 (de) * | 1971-10-18 | 1980-04-03 | Robert Bosch Gmbh, 7000 Stuttgart | Kraftstoffeinspritzanlage für eine Brennkraftmaschine |
US3807228A (en) * | 1971-11-02 | 1974-04-30 | Gulf Research Development Co | Ultrasonic velocity and mass flowmeter |
JPS49106375A (enrdf_load_stackoverflow) * | 1973-02-09 | 1974-10-08 | ||
GB1459448A (en) * | 1973-02-27 | 1976-12-22 | Nat Res Dev | Inhibition circuits for anemometers |
-
1975
- 1975-06-19 DE DE19752527378 patent/DE2527378B2/de not_active Ceased
-
1976
- 1976-06-10 CA CA254,503A patent/CA1075489A/en not_active Expired
- 1976-06-16 AU AU14943/76A patent/AU505260B2/en not_active Expired
- 1976-06-16 CH CH769976A patent/CH622962A5/de not_active IP Right Cessation
- 1976-06-16 IT IT24406/76A patent/IT1060898B/it active
- 1976-06-16 AT AT442576A patent/AT345257B/de not_active IP Right Cessation
- 1976-06-17 SE SE7606933A patent/SE419680B/xx unknown
- 1976-06-18 ES ES448994A patent/ES448994A1/es not_active Expired
- 1976-06-18 DK DK274176A patent/DK274176A/da unknown
- 1976-06-18 FR FR7618682A patent/FR2316651A1/fr active Granted
- 1976-06-18 BR BR7603929A patent/BR7603929A/pt unknown
- 1976-06-18 JP JP51071268A patent/JPS522761A/ja active Granted
- 1976-06-18 BE BE2055120A patent/BE843084A/xx unknown
- 1976-06-18 GB GB25291/76A patent/GB1548598A/en not_active Expired
- 1976-06-18 NL NL7606661A patent/NL7606661A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NL7606661A (nl) | 1976-12-21 |
CH622962A5 (enrdf_load_stackoverflow) | 1981-05-15 |
FR2316651B1 (enrdf_load_stackoverflow) | 1982-11-19 |
SE419680B (sv) | 1981-08-17 |
AT345257B (de) | 1978-09-11 |
ATA442576A (de) | 1978-01-15 |
AU1494376A (en) | 1977-12-22 |
JPS612967B2 (enrdf_load_stackoverflow) | 1986-01-29 |
BR7603929A (pt) | 1977-04-05 |
BE843084A (fr) | 1976-12-20 |
DE2527378A1 (de) | 1976-12-23 |
DE2527378B2 (de) | 1977-07-14 |
GB1548598A (en) | 1979-07-18 |
JPS522761A (en) | 1977-01-10 |
SE7606933L (sv) | 1976-12-20 |
DK274176A (da) | 1976-12-20 |
IT1060898B (it) | 1982-09-30 |
ES448994A1 (es) | 1977-07-01 |
FR2316651A1 (fr) | 1977-01-28 |
AU505260B2 (en) | 1979-11-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |