AT11708U3 - METHOD FOR DETERMINING THE MASS FLOW OF GASES, IN PARTICULAR THE EXHAUST OF INTERNAL COMBUSTION ENGINES - Google Patents

METHOD FOR DETERMINING THE MASS FLOW OF GASES, IN PARTICULAR THE EXHAUST OF INTERNAL COMBUSTION ENGINES Download PDF

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Publication number
AT11708U3
AT11708U3 AT0065010U AT6502010U AT11708U3 AT 11708 U3 AT11708 U3 AT 11708U3 AT 0065010 U AT0065010 U AT 0065010U AT 6502010 U AT6502010 U AT 6502010U AT 11708 U3 AT11708 U3 AT 11708U3
Authority
AT
Austria
Prior art keywords
mass flow
intermediate value
measurement
determined
internal combustion
Prior art date
Application number
AT0065010U
Other languages
German (de)
Other versions
AT11708U2 (en
Inventor
Erich Dr Schiefer
Katarzyna Dr Kudlaty
Michael Dr Cernusca
Klaus-Christoph Dr Harms
Original Assignee
Avl List Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Avl List Gmbh filed Critical Avl List Gmbh
Priority to AT0065010U priority Critical patent/AT11708U3/en
Publication of AT11708U2 publication Critical patent/AT11708U2/en
Priority to PCT/EP2011/068227 priority patent/WO2012052461A1/en
Publication of AT11708U3 publication Critical patent/AT11708U3/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/08—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for safeguarding the apparatus, e.g. against abnormal operation, against breakdown
    • 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
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
    • 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
    • G01F1/708—Measuring the time taken to traverse a fixed distance
    • G01F1/7088—Measuring the time taken to traverse a fixed distance using electrically charged particles as tracers

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Measuring Volume Flow (AREA)
  • Electromagnetism (AREA)
  • Testing Of Engines (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Claims (16)

österreichisches Patentamt AT 11 708 U2 2011-03-15 Ansprüche 1. Verfahren zur Bestimmung des Massenflusses von Gasen, insbesondere des Abgases von Brennkraftmaschinen, wobei durch zumindest zwei unabhängige, parallel durchgeführte und auf unterschiedlichen physikalischen Prinzipien beruhende Methoden jeweils zumindest ein Zwischenwert für den Massenfluss bestimmt wird, und wobei der endgültige Wert für den Massenfluss auf Basis der Zwischenwerte durch eine Plausibilitätsrechnung oder eine vereinfachte Mittelwertbildung ermittelt wird.Austrian Patent Office AT 11 708 U2 2011-03-15 Claims 1. A method for determining the mass flow of gases, in particular of the exhaust gas of internal combustion engines, wherein in each case at least one intermediate value for the mass flow by at least two independent, parallel and based on different physical principles methods and determining the final mass flow value based on the intermediate values by plausibility calculation or simplified averaging. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass zumindest ein Zwischenwert durch direkte Messung bestimmt wird.2. The method according to claim 1, characterized in that at least one intermediate value is determined by direct measurement. 3. Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass ein Zwischenwert für den Massenfluss durch Messung mittels des Wirk- bzw. Staudruckprinzips bestimmt wird.3. The method according to claim 2, characterized in that an intermediate value for the mass flow is determined by measurement by means of the active or dynamic pressure principle. 4. Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass ein Zwischenwert für den Massenfluss durch Messung mittels Ultraschall bestimmt wird.4. The method according to claim 2, characterized in that an intermediate value for the mass flow is determined by measurement by means of ultrasound. 5. Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass ein Zwischenwert für den Massenfluss durch Messung mittels eines durch Koronaentladung hervorgerufenen lonen-stroms bestimmt wird.5. The method according to claim 2, characterized in that an intermediate value for the mass flow is determined by measurement by means of an induced by corona discharge ion current. 6. Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass ein Zwischenwert für den Massenfluss durch Messung der Laufzeiten und der Änderungen der Laufzeiten von mittels Pulslängen und Pulsbreiten kodierten und dem Massenstrom überlagerten Pulsen bestimmt wird.6. The method according to claim 2, characterized in that an intermediate value for the mass flow is determined by measuring the transit times and the changes in the transit times of pulse widths and pulse widths and the mass flow superimposed pulses. 7. Verfahren nach Anspruch 6, dadurch gekennzeichnet, dass durch Funkenpulse und deren elektrische Entladungen und der dadurch generierten Elektronen und Ionen im Abgas elektrische Ladungspulse hervorgerufen werden.7. The method according to claim 6, characterized in that are caused by spark pulses and their electrical discharges and thereby generated electrons and ions in the exhaust gas electric charge pulses. 8. Verfahren nach Anspruch 6, dadurch gekennzeichnet, dass durch pulsierendes Zugeben eines Tracergases zum Abgas Pulse von Gaspaketen hervorgerufen werden.8. The method according to claim 6, characterized in that caused by pulsating adding a tracer gas to the exhaust pulse of gas packets. 9. Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass ein Zwischenwert für den Massenfluss durch Messung mittels Wärmeleitungssensoren bestimmt wird.9. The method according to claim 2, characterized in that an intermediate value for the mass flow is determined by measurement by means of heat conduction sensors. 10. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass zumindest ein Zwischenwert für den Massenfluss aus zumindest zwei Messwerten anderer Größen als jener des Massenflusses kalkuliert wird.10. The method according to claim 1, characterized in that at least one intermediate value for the mass flow is calculated from at least two measured values of different sizes than those of the mass flow. 11. Verfahren nach Anspruch 10, dadurch gekennzeichnet, dass ein Zwischenwert für den Massenfluss aus der Messung der von einer Brennkraftmaschine verbrauchten Luftmenge und der verbrauchten Kraftstoffmenge kalkuliert wird.11. The method according to claim 10, characterized in that an intermediate value for the mass flow from the measurement of the amount of air consumed by an internal combustion engine and the amount of fuel consumed is calculated. 12. Verfahren nach Anspruch 10, dadurch gekennzeichnet, dass ein Zwischenwert für den Massenfluss aus der Messung der von einer Brennkraftmaschine verbrauchten Kraftstoffmenge und dem Messung eines Wertes aus der Gruppe von Lambda, dem Äquivalenzverhältnis und dem Luft/Kraftstoff-Mengenverhältnis kalkuliert wird.12. The method according to claim 10, characterized in that an intermediate value for the mass flow from the measurement of the consumed by an internal combustion engine fuel quantity and the measurement of a value from the group of lambda, the equivalence ratio and the air / fuel ratio is calculated. 13. Verfahren nach Anspruch 10, dadurch gekennzeichnet, dass ein Zwischenwert für den Massenfluss aus der Messung der von einer Brennkraftmaschine angesaugten Luftmenge und dem Messung eines Wertes aus der Gruppe von Lambda, dem Äquivalenzverhältnis und dem Luft/Kraftstoff-Mengenverhältnis kalkuliert wird.13. The method according to claim 10, characterized in that an intermediate value for the mass flow from the measurement of the intake of an internal combustion engine air quantity and the measurement of a value from the group of lambda, the equivalence ratio and the air / fuel ratio is calculated. 14. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass ein Zwischenwert für den Massenfluss aus der Messung der Verdünnung eines Tracergases durch den Abgasstrom ermittelt wird.14. The method according to claim 1, characterized in that an intermediate value for the mass flow from the measurement of the dilution of a tracer gas is determined by the exhaust gas flow. 15. Verfahren nach Anspruch 14, dadurch gekennzeichnet, dass zusätzlich eine Laufzeitmessung bei pulsierender Zugabe des Tracergases durchgeführt wird. 6/10 österreichisches Patentamt AT 11 708 U2 2011-03-1515. The method according to claim 14, characterized in that in addition a transit time measurement is performed with pulsating addition of the tracer gas. 6/10 Austrian Patent Office AT 11 708 U2 2011-03-15 16. Verfahren nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, dass zumindest ein Zwischenwert durch direkte Messung gemäß einem der Ansprüche 2 bis 9 bestimmt und zumindest ein weiterer Zwischenwert durch Kalkulation aus zumindest zwei Messwerten anderer Größen als des Massenflusses gemäß einem der Ansprüche 10 bis 15 kalkuliert wird. Hierzu 3 Blatt Zeichnungen 7/1016. Method according to one of claims 1 to 15, characterized in that at least one intermediate value is determined by direct measurement according to one of claims 2 to 9 and at least one further intermediate value is determined by calculation from at least two measured values of different sizes than the mass flow according to one of claims 10 to 15 is calculated. 3 sheets of drawings 7/10
AT0065010U 2010-10-21 2010-10-21 METHOD FOR DETERMINING THE MASS FLOW OF GASES, IN PARTICULAR THE EXHAUST OF INTERNAL COMBUSTION ENGINES AT11708U3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT0065010U AT11708U3 (en) 2010-10-21 2010-10-21 METHOD FOR DETERMINING THE MASS FLOW OF GASES, IN PARTICULAR THE EXHAUST OF INTERNAL COMBUSTION ENGINES
PCT/EP2011/068227 WO2012052461A1 (en) 2010-10-21 2011-10-19 Method for determining the mass flow of gases, in particular the exhaust gas of internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0065010U AT11708U3 (en) 2010-10-21 2010-10-21 METHOD FOR DETERMINING THE MASS FLOW OF GASES, IN PARTICULAR THE EXHAUST OF INTERNAL COMBUSTION ENGINES

Publications (2)

Publication Number Publication Date
AT11708U2 AT11708U2 (en) 2011-03-15
AT11708U3 true AT11708U3 (en) 2012-03-15

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AT (1) AT11708U3 (en)
WO (1) WO2012052461A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015214312A1 (en) * 2015-07-29 2017-02-02 Bayerische Motoren Werke Aktiengesellschaft Method and system for determining pollutant concentration in an exhaust stream
DE102016011256A1 (en) 2016-09-17 2018-03-22 Diehl Metering Gmbh Method for determining the flow of a flowing medium
CN110987083B (en) * 2019-12-23 2021-08-17 北京蜂云科创信息技术有限公司 Method and equipment for monitoring vehicle emission data based on Internet of vehicles
CN113551917B (en) * 2021-06-28 2023-06-23 哈尔滨工程大学 Semi-physical simulation test bed and test method for multi-engine parallel operation device of gas turbine

Citations (4)

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Publication number Priority date Publication date Assignee Title
DE1950164A1 (en) * 1969-10-04 1971-04-08 Durbin Enoch J Mass flow meter
WO2001098736A1 (en) * 2000-06-23 2001-12-27 Sensirion Ag Gas meter and method for detecting a consumed amount of gas
WO2004046664A1 (en) * 2002-11-20 2004-06-03 Ksr Kuebler Niveau-Messtechnik Ag Device for checking a floating switch
WO2009018597A1 (en) * 2007-08-09 2009-02-12 Technische Universität Graz Apparatus for determining flow parameters of a particle-fluid flow

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DE4005803C2 (en) * 1990-02-23 1999-05-20 Rabe Juergen Method and arrangement for recording and evaluating exhaust gas emissions
JP2000314684A (en) * 1999-04-16 2000-11-14 Sensors Inc Mass discharge measurement for vehicle
US7134320B2 (en) * 2003-07-15 2006-11-14 Cidra Corporation Apparatus and method for providing a density measurement augmented for entrained gas
DE102005042690A1 (en) * 2005-09-08 2007-03-15 Volkswagen Ag Plausibility checking method for internal-combustion engine, involves recording of air mass flow and comparing with reference value whereby malfunctioning is recognized, if recorded values largely deviate from assigned reference values
DE102006033169B3 (en) * 2006-07-10 2007-12-20 Joma-Hydromechanic Gmbh Flow rate-variable positive-displacement pump adjusting method for internal-combustion engine, involves changing flow rate of pump based on adjusting signal, and using signal of remaining oxygen content of probe as characteristic value

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1950164A1 (en) * 1969-10-04 1971-04-08 Durbin Enoch J Mass flow meter
WO2001098736A1 (en) * 2000-06-23 2001-12-27 Sensirion Ag Gas meter and method for detecting a consumed amount of gas
WO2004046664A1 (en) * 2002-11-20 2004-06-03 Ksr Kuebler Niveau-Messtechnik Ag Device for checking a floating switch
WO2009018597A1 (en) * 2007-08-09 2009-02-12 Technische Universität Graz Apparatus for determining flow parameters of a particle-fluid flow

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WO2012052461A1 (en) 2012-04-26
AT11708U2 (en) 2011-03-15

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