CN106840271A - A kind of measurement fluid stagnation pressure, the combination dynamic probe of speed with temperature adjustmemt - Google Patents
A kind of measurement fluid stagnation pressure, the combination dynamic probe of speed with temperature adjustmemt Download PDFInfo
- Publication number
- CN106840271A CN106840271A CN201710204366.4A CN201710204366A CN106840271A CN 106840271 A CN106840271 A CN 106840271A CN 201710204366 A CN201710204366 A CN 201710204366A CN 106840271 A CN106840271 A CN 106840271A
- Authority
- CN
- China
- Prior art keywords
- probe
- hot line
- pressure
- temperature
- 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.)
- Granted
Links
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
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention belongs to pressure and velocity measurement technologies field, a kind of measurement fluid stagnation pressure, the combination dynamic probe of speed with temperature adjustmemt are disclosed.The probe includes end of probe and pole (1), end of probe includes hot line (5), hot line support (4), pressure port (2) and temperature sensor (3), hot line (5) is welded on hot line support (4), pressure sensor is arranged near the position of pressure port (2) in end of probe, and pressure sensor mounting hole (2) axis is perpendicular to hot line (5).Temperature sensor (3) mounting hole is in hot line support (4) mounting surface center.Compared with existing pressure probe and temperature probe, the present invention is by demarcating, the dynamic parameters such as stagnation pressure, the turbulivity that can measure to flow simultaneously, while influence of the temperature to hot-wire measurement result can be corrected, it is adaptable to measure dynamic stagnation pressure, the measurement of turbulivity of turbine import.
Description
Technical field
The invention belongs to pressure, velocity measurement technologies field, it is related to a kind of measurement fluid stagnation pressure, speed with temperature adjustmemt
Combination dynamic probe, the present invention can simultaneously measure the stagnation pressure and speed parameter of fluid, compared to traditional single ginseng of measurement
Several probes not only reduces the influence of probe stream field, moreover it is possible to which the measurement result to hot line carries out temperature adjustmemt, so as to improve
The accuracy of measurement result.
Background technology
Stagnation pressure and turbulence measurement are the important components of turbine intake condition measurement.Uniform inlet air conditions inferior lobe
Turbine inlet flow field can be considered flow model, therefore single hole pin is commonly used to measure turbine import stagnation pressure, and hot wire probe due to
Small volume, frequency response is high and is usually applied to the measurement of turbulivity.
In practical engineering application and scientific research, flow field typically has stronger non-stationarity, same in acquisition flow field
The pressure at one moment, speed and temperature parameter just seem particularly important, various probes measure simultaneously can stream field cause larger shadow
Ring, and measure respectively, be unfavorable for the research of flow field unsteady characteristic.Hot wire probe is related to diabatic process due to its measuring principle,
Influence of the temperature to hot wire probe measurement result cannot be ignored, and traditional hot wire probe can only obtain the speed letter in flow field
Breath cannot carry out temperature adjustmemt to the measurement result of hot line.
Therefore, lack to take into account in current scientific research and engineer applied and obtain flow field velocity, pressure information simultaneously,
It is smaller to tested flow and the measuring technology of temperature adjustmemt can be carried out to hot-wire measurement result.
The content of the invention
The present invention solves the technical problem of：Can take into account same for lacking in research at present and engineer applied
When obtain flow field velocity, pressure information, it is smaller to tested flow and temperature adjustmemt can be carried out to hot-wire measurement result
Measuring technology.Invention a kind of measurement fluid stagnation pressure, the combination dynamic probe of speed with temperature adjustmemt.
Technical solution of the invention is：
The present invention includes end of probe, pole (1), and end of probe includes hot line (5), hot line support (4), pressure port (2)
And temperature sensor (3), hot line (5) is welded on hot line support (4), and its lead (6) is drawn by probe pole (1) inner passage
Go out, pressure sensor is arranged near the position of pressure port (2) in end of probe, and pressure sensor lead (8) is by pole (1)
Inner passage is drawn, and temperature sensor (3) on heated filament bracket mounting face center, lead to by temperature sensor wires (7)
Cross the extraction of pole (1) inner passage.
Further, probe pole (1) is cylindrical hollow structure, and probe pole (1) external diameter selects 4 to 10 millimeters, probe
Pole (1) internal diameter is smaller than external diameter 1 millimeter.
Further, hot line (5) material be tungsten, platinum or platinumiridio, its a diameter of 1 to 30 microns, hot line (5) length with
Diameter ratio is 100 to 600.
Further, hot line support (4) is metal, and hot line (5) is welded on support (1), and support (4) insulate with its mounting surface
Connection, hot line head construction selection monofilament or multifibres.
Further, pressure sensor mounting hole (3) axis is perpendicular in hot line (5), pressure sensor mounting hole (3) center of circle
More than (4) 1.5 times of apertures of hot line support, pore size is 0.1 to 5 millimeters.
Further, the dynamic thermocouple of temperature sensor (3) selection or thermal resistance.
The beneficial effects of the invention are as follows turbulivity, stagnation pressure and static temperature etc. under the uniform inlet air conditions of turbine can not only be obtained
Important parameter, and temperature adjustmemt can be carried out to turbulence measurement result.
Brief description of the drawings
Fig. 1 is the planar structure schematic diagram of the combination dynamic probe for measuring fluid temperature (F.T.), pressure and speed；
Wherein：1- probe poles, 2- pressure ports, 3- temperature sensors, 4- hot line supports, 5- hot lines, 6- hot line leads, 7-
Temperature sensor wires, 8- pressure sensor leads.
Specific embodiment
The present invention will be described in detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, the present invention include end of probe, pole (1), end of probe comprising hot line (5), hot line support (4),
Pressure port (2) and temperature sensor (3)；Hot line (5) is welded on hot line support (4), and its lead (6) is by probe pole (1)
Draw inner passage；Pressure sensor is arranged in end of probe near the position of pressure port (2), pressure sensor lead (8)
Drawn by pole (1) inner passage；Temperature sensor (3) on heated filament bracket mounting face center, TEMP
Device lead (7) is drawn by pole (1) inner passage.
In the embodiment of the present invention, probe pole (1) is cylindrical hollow structure, and probe pole (1) external diameter selects 4 millimeters,
Probe pole (1) internal diameter is smaller than external diameter 1 millimeter.
In the present embodiment, hot line (5) material be tungsten, platinum or platinumiridio, its a diameter of 5 microns, hot line (5) length with
Diameter ratio is 600.
In the present embodiment, hot line support (4) is metal, and hot line (5) is welded on support (1), support (4) and its mounting surface
Insulation connection, hot line head construction selection monofilament.
In the present embodiment, pressure sensor mounting hole (3) axis is perpendicular in hot line (5), pressure sensor mounting hole hole
Footpath size is 0.4 millimeter.
In the present embodiment, the dynamic thermocouple of temperature sensor (3) selection.
A kind of measurement fluid stagnation pressure, the combination dynamic probe of speed with temperature adjustmemt introduced in the embodiment of the present invention,
Demarcated by calibration, nominal data can be obtained.When practical flow field is measured, hot line can be obtained by the lead of hot wire probe
Voltage signal, the voltage signal of pressure sensor can be obtained by pressure sensor lead, can by temperature sensor wires
To obtain the voltage signal of temperature sensor, using the nominal data for obtaining, data processing is carried out, the total of flow field can be obtained
The multidate informations such as pressure, turbulivity.Can also enter trip temperature to the measurement result of hot wire probe by further data analysis to repair
Just, the accuracy of measurement result is improved.
Claims (6)
- It is 1. a kind of to measure fluid stagnation pressure, the combination dynamic probe of speed with temperature adjustmemt, it is characterised in that：Comprising probe Portion, pole (1), end of probe include hot line (5), hot line support (4), pressure port (2) and temperature sensor (3)；Hot line (5) It is welded on hot line support (4), its lead (6) is drawn by probe pole (1) inner passage；Pressure sensor is arranged on probe Near the position of pressure port (2) in portion, pressure sensor lead (8) is drawn by pole (1) inner passage；Temperature sensor (3) on heated filament bracket mounting face center, temperature sensor wires (7) are drawn by pole (1) inner passage.
- 2. a kind of measurement fluid stagnation pressure, the combination dynamic probe of speed with temperature adjustmemt according to claim 1, it is special Levy and be：Probe pole (1) is cylindrical hollow structure, and probe pole (1) external diameter is selected in 4 to 10 millimeters, probe pole (1) Footpath is smaller than external diameter 1 millimeter.
- 3. a kind of measurement fluid stagnation pressure, the combination dynamic probe of speed with temperature adjustmemt according to claim 1, it is special Levy and be：Hot line (5) material is tungsten, platinum or platinumiridio, its a diameter of 1 to 30 microns, hot line (5) L/D ratio value For 100 to 600.
- 4. a kind of measurement fluid stagnation pressure, the combination dynamic probe of speed with temperature adjustmemt according to claim 1, it is special Levy and be：Hot line support (4) is metal, and hot line (5) is welded on support (1), and support (4) is connected with the insulation of its mounting surface, heat The end of a thread portion structure choice monofilament or multifibres.
- 5. a kind of measurement fluid stagnation pressure, the combination dynamic probe of speed with temperature adjustmemt according to claim 1, it is special Levy and be：, perpendicular in hot line (5), pressure sensor mounting hole (3) center of circle is apart from hot line for pressure sensor mounting hole (3) axis More than (4) 1.5 times of apertures of support, pore size is 0.1 to 5 millimeters.
- 6. a kind of measurement fluid stagnation pressure, the combination dynamic probe of speed with temperature adjustmemt according to claim 1, it is special Levy and be：The dynamic thermocouple of temperature sensor (3) selection or thermal resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710204366.4A CN106840271B (en) | 2017-03-31 | 2017-03-31 | Combined dynamic probe with temperature correction function for measuring total pressure and speed of fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710204366.4A CN106840271B (en) | 2017-03-31 | 2017-03-31 | Combined dynamic probe with temperature correction function for measuring total pressure and speed of fluid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106840271A true CN106840271A (en) | 2017-06-13 |
| CN106840271B CN106840271B (en) | 2020-07-03 |
Family
ID=59141822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710204366.4A Active CN106840271B (en) | 2017-03-31 | 2017-03-31 | Combined dynamic probe with temperature correction function for measuring total pressure and speed of fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106840271B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261009A (en) * | 2019-07-09 | 2019-09-20 | 北京航空航天大学 | The wall heat flux density measuring method and device assumed based on linear bottom |
| CN113390604A (en) * | 2021-07-16 | 2021-09-14 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | One-dimensional hot wire probe suitable for high-speed flow field measurement |
| CN113820026A (en) * | 2021-10-15 | 2021-12-21 | 西安交通大学 | Thermocouple combined type speed potential probe and measuring method |
| CN114088228A (en) * | 2021-11-12 | 2022-02-25 | 中国科学院大学 | Device and method for measuring velocity field and temperature field of metal fluid under strong magnetic field condition |
| CN115435929A (en) * | 2022-07-29 | 2022-12-06 | 北京航空航天大学 | High-frequency total temperature and total pressure probe |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1333499A (en) * | 1970-12-14 | 1973-10-10 | Proton Ag | Sensing devices |
| GB2064726A (en) * | 1979-11-26 | 1981-06-17 | United Technologies Corp | Temperature or pressure responsive valve |
| CN101788313A (en) * | 2010-03-23 | 2010-07-28 | 上海交通大学 | High-frequency response fluid transient flow meter |
| CN201662459U (en) * | 2009-09-07 | 2010-12-01 | 天津空中代码工程应用软件开发有限公司 | Combined measuring tool for flow field pressure and speed |
| CN202886398U (en) * | 2012-09-18 | 2013-04-17 | 北京检测仪器有限公司 | Hot-bulb anemograph using thermocouple |
| CN203053472U (en) * | 2012-09-18 | 2013-07-10 | 天津空中代码工程应用软件开发有限公司 | Tool for measuring pressure and velocity of eddy flow field |
| CN204373690U (en) * | 2015-01-13 | 2015-06-03 | 西安远方航空技术发展总公司 | A kind of stagnation temperature total pressure measure apparatus |
| CN106483330A (en) * | 2016-12-07 | 2017-03-08 | 中南大学 | One kind is based on reflective silk thread attitude angle visual identity two-D wind speed wind direction method of testing |
-
2017
- 2017-03-31 CN CN201710204366.4A patent/CN106840271B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1333499A (en) * | 1970-12-14 | 1973-10-10 | Proton Ag | Sensing devices |
| GB2064726A (en) * | 1979-11-26 | 1981-06-17 | United Technologies Corp | Temperature or pressure responsive valve |
| CN201662459U (en) * | 2009-09-07 | 2010-12-01 | 天津空中代码工程应用软件开发有限公司 | Combined measuring tool for flow field pressure and speed |
| CN101788313A (en) * | 2010-03-23 | 2010-07-28 | 上海交通大学 | High-frequency response fluid transient flow meter |
| CN202886398U (en) * | 2012-09-18 | 2013-04-17 | 北京检测仪器有限公司 | Hot-bulb anemograph using thermocouple |
| CN203053472U (en) * | 2012-09-18 | 2013-07-10 | 天津空中代码工程应用软件开发有限公司 | Tool for measuring pressure and velocity of eddy flow field |
| CN204373690U (en) * | 2015-01-13 | 2015-06-03 | 西安远方航空技术发展总公司 | A kind of stagnation temperature total pressure measure apparatus |
| CN106483330A (en) * | 2016-12-07 | 2017-03-08 | 中南大学 | One kind is based on reflective silk thread attitude angle visual identity two-D wind speed wind direction method of testing |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261009A (en) * | 2019-07-09 | 2019-09-20 | 北京航空航天大学 | The wall heat flux density measuring method and device assumed based on linear bottom |
| CN113390604A (en) * | 2021-07-16 | 2021-09-14 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | One-dimensional hot wire probe suitable for high-speed flow field measurement |
| CN113390604B (en) * | 2021-07-16 | 2023-03-03 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | One-dimensional hot wire probe suitable for high-speed flow field measurement |
| CN113820026A (en) * | 2021-10-15 | 2021-12-21 | 西安交通大学 | Thermocouple combined type speed potential probe and measuring method |
| CN114088228A (en) * | 2021-11-12 | 2022-02-25 | 中国科学院大学 | Device and method for measuring velocity field and temperature field of metal fluid under strong magnetic field condition |
| CN115435929A (en) * | 2022-07-29 | 2022-12-06 | 北京航空航天大学 | High-frequency total temperature and total pressure probe |
| CN115435929B (en) * | 2022-07-29 | 2024-05-21 | 北京航空航天大学 | High-frequency total temperature and total pressure probe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106840271B (en) | 2020-07-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106840271A (en) | A kind of measurement fluid stagnation pressure, the combination dynamic probe of speed with temperature adjustmemt | |
| CN115435929B (en) | High-frequency total temperature and total pressure probe | |
| CN106840270B (en) | Hot wire probe with temperature correction function | |
| CN106840268B (en) | Five-hole probe integrating total temperature measurement | |
| CN115435930B (en) | Using method of high-frequency probe for measuring three-dimensional full parameters between stages | |
| CN106885649B (en) | Dynamic temperature and pressure combined probe for measuring subsonic two-dimensional unsteady flow field | |
| CN106989896B (en) | Dynamic temperature and pressure combined probe for measuring subsonic three-dimensional unsteady flow field | |
| CN106969876B (en) | Dynamic total pressure probe with temperature correction function | |
| CN115436656B (en) | Eight-shaped hot wire probe for measuring two-dimensional velocity field between stages of compressor | |
| CN106940230A (en) | A kind of total temperature measurement probe in nine holes | |
| CN106918409B (en) | Porous close-proximity total temperature probe | |
| CN106940207B (en) | Combined dynamic probe for measuring distortion flow field at inlet of turbine | |
| CN218822484U (en) | Three-dimensional full-parameter high-frequency probe for measuring interstage | |
| CN218331614U (en) | Splayed hot wire probe for measuring interstage two-dimensional velocity field of gas compressor | |
| CN115435931B (en) | High-frequency entropy probe capable of measuring direction of interstage airflow | |
| CN111089703A (en) | Full-parameter probe for measuring two-dimensional steady-state flow field of boundary layer of outer wall of hub | |
| CN106768826A (en) | A kind of dynamic temperature force combination probe for measuring Supersonic Two Dimensional Unsteady flow field | |
| CN106871968B (en) | Probe for measuring total pressure of total temperature of multiple points of subsonic flow field | |
| CN110274649A (en) | A kind of hot temperature difference type flow sensor and preparation method thereof based on MEMS technology | |
| CN212082771U (en) | Full-parameter probe for measuring two-dimensional steady-state flow field of boundary layer of outer wall of hub | |
| CN108896198B (en) | Straight rod type total temperature probe head based on thermal resistor | |
| CN209372890U (en) | A kind of Pitot tube | |
| CN106768827A (en) | A kind of steady temperature force combination probe for measuring transonic speed two-dimensional flow field | |
| CN106932020B (en) | Combined dynamic probe for measuring total pressure velocity of fluid | |
| CN106969875B (en) | Dynamic total pressure probe with real-time calibration function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |