FR2618561B1 - Procede et dispositif pour determiner le nombre de mach sans intrusion - Google Patents
Procede et dispositif pour determiner le nombre de mach sans intrusionInfo
- Publication number
- FR2618561B1 FR2618561B1 FR888809579A FR8809579A FR2618561B1 FR 2618561 B1 FR2618561 B1 FR 2618561B1 FR 888809579 A FR888809579 A FR 888809579A FR 8809579 A FR8809579 A FR 8809579A FR 2618561 B1 FR2618561 B1 FR 2618561B1
- Authority
- FR
- France
- Prior art keywords
- mach
- intrusion
- determining
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/14—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring differences of pressure in the fluid
- G01P5/16—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring differences of pressure in the fluid using Pitot tubes, e.g. Machmeter
- G01P5/17—Coupling arrangements to the indicating device
- G01P5/175—Coupling arrangements to the indicating device with the determination of Mach number
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Testing Of Engines (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/075,482 US4829813A (en) | 1987-07-20 | 1987-07-20 | Method and apparatus for nonintrusively determining mach number |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2618561A1 FR2618561A1 (fr) | 1989-01-27 |
FR2618561B1 true FR2618561B1 (fr) | 1991-12-27 |
Family
ID=22126056
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR888809579A Expired - Fee Related FR2618561B1 (fr) | 1987-07-20 | 1988-07-13 | Procede et dispositif pour determiner le nombre de mach sans intrusion |
Country Status (6)
Country | Link |
---|---|
US (1) | US4829813A (fr) |
JP (1) | JPH01131417A (fr) |
DE (1) | DE3824288A1 (fr) |
FR (1) | FR2618561B1 (fr) |
GB (1) | GB2207756B (fr) |
IT (1) | IT1227798B (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4963163A (en) * | 1989-12-28 | 1990-10-16 | Shell Oil Company | Determination of gasifier outlet and quench zone blockage |
US4988368A (en) * | 1989-12-28 | 1991-01-29 | Shell Oil Company | Method for determination of slag tap blockage |
US5394689A (en) * | 1993-09-22 | 1995-03-07 | General Electric Company | Gas turbine engine control system having integral flight Mach number synthesis method |
US5397181A (en) * | 1993-10-21 | 1995-03-14 | General Electric Company | Compressor discharge temperature sensing system |
US7841563B2 (en) * | 2006-03-27 | 2010-11-30 | Honeywell International Inc. | Ducted fan air data system |
US8155332B2 (en) * | 2008-01-10 | 2012-04-10 | Oracle America, Inc. | Method and apparatus for attenuating fan noise through turbulence mitigation |
DE102010062214A1 (de) | 2010-11-30 | 2012-05-31 | Robert Bosch Gmbh | Vorrichtung und Verfahren zum Bestimmen des Drucks in kompressiblen Medien |
US8438832B1 (en) | 2012-01-31 | 2013-05-14 | United Technologies Corporation | High turning fan exit stator |
US9631996B2 (en) | 2014-07-03 | 2017-04-25 | Infineon Technologies Ag | Motion detection using pressure sensing |
US9945884B2 (en) * | 2015-01-30 | 2018-04-17 | Infineon Technologies Ag | System and method for a wind speed meter |
US10851713B2 (en) | 2017-08-29 | 2020-12-01 | Mra Systems, Llc. | Acoustic liner having internal structure |
FR3078099B1 (fr) * | 2018-02-16 | 2020-09-11 | Safran Aircraft Engines | Structure a profil en serrations avec des surfaces traitees |
GB202014210D0 (en) | 2020-09-10 | 2020-10-28 | Rolls Royce Plc | Gas turbine engine with airflow measurement system |
US11796358B2 (en) | 2020-09-10 | 2023-10-24 | Virginia Tech Intellectual Properties, Inc. | Flow measurement for a gas turbine engine |
US11821771B2 (en) | 2020-09-10 | 2023-11-21 | Virginia Tech Intellectual Properties, Inc. | Flow measurement for a gas turbine engine |
US11747236B2 (en) | 2020-09-10 | 2023-09-05 | Virginia Tech Intellectual Properties, Inc. | Flow measurement for a gas turbine engine |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3021708A (en) * | 1957-04-23 | 1962-02-20 | Gerald S November | Flowmeter |
US3039305A (en) * | 1959-05-13 | 1962-06-19 | Gen Motors Corp | Sonic region detector |
US3144767A (en) * | 1961-07-03 | 1964-08-18 | Phillips Petroleum Co | Method and apparatus for determining fluid flow rate |
US3717038A (en) * | 1971-04-30 | 1973-02-20 | Gen Electric | Direct current pressure ratio circuit |
US3748502A (en) * | 1971-08-04 | 1973-07-24 | Edo Corp | Piezoelectric helmholtz resonator for energy conversion |
US3958458A (en) * | 1974-08-26 | 1976-05-25 | Grumman Aerospace Corporation | Acoustic emission flow measurement system |
US4572003A (en) * | 1983-11-03 | 1986-02-25 | The United States Of America As Represented By The United States Department Of Energy | Sidetone generator flowmeter |
US4653327A (en) * | 1986-04-10 | 1987-03-31 | General Motors Corporation | Acoustical inspection method for inspecting the ceramic coating of catalytic converter monolith substrates |
-
1987
- 1987-07-20 US US07/075,482 patent/US4829813A/en not_active Expired - Fee Related
-
1988
- 1988-07-11 IT IT8821310A patent/IT1227798B/it active
- 1988-07-13 FR FR888809579A patent/FR2618561B1/fr not_active Expired - Fee Related
- 1988-07-15 GB GB8816954A patent/GB2207756B/en not_active Expired - Fee Related
- 1988-07-16 DE DE3824288A patent/DE3824288A1/de not_active Withdrawn
- 1988-07-18 JP JP63177235A patent/JPH01131417A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2618561A1 (fr) | 1989-01-27 |
GB2207756A (en) | 1989-02-08 |
IT1227798B (it) | 1991-05-07 |
IT8821310A0 (it) | 1988-07-11 |
US4829813A (en) | 1989-05-16 |
GB8816954D0 (en) | 1988-08-17 |
GB2207756B (en) | 1991-09-04 |
DE3824288A1 (de) | 1989-02-02 |
JPH01131417A (ja) | 1989-05-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |