CN106989896A - A kind of dynamic temperature force combination probe for measuring subsonics three-dimensional non-steady flow field - Google Patents
A kind of dynamic temperature force combination probe for measuring subsonics three-dimensional non-steady flow field Download PDFInfo
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- CN106989896A CN106989896A CN201710247116.9A CN201710247116A CN106989896A CN 106989896 A CN106989896 A CN 106989896A CN 201710247116 A CN201710247116 A CN 201710247116A CN 106989896 A CN106989896 A CN 106989896A
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- probe
- subsonics
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- dynamic temperature
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
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- 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
Abstract
The invention belongs to temperature, pressure test technical field, disclose a kind of dynamic temperature force combination probe for measuring subsonics three-dimensional non-steady flow field, including end of probe, pole, end of probe is wedge tip circle cylinder, 4 dynamic pressure transducers of its enclosed inside, 1 dynamic temperature sensor is installed, temperature sensor head wedge of emersion top bevel, 4 not connected pressure experience holes are provided with the same side on end of probe surface, connected respectively with 4 dynamic pressure transducers in end of probe, the cable of pressure sensor and temperature sensor draws probe tails by probe pole internal channel.Compared with existing flow-field test probe, the present invention is by calibration wind tunnel demarcation, temperature, stagnation pressure, static pressure, deflection angle, the angle of pitch, Mach number and the three-dimensional velocity component that subsonic speed can be measured simultaneously to flow change with time, and are tested for turbine and provide a kind of means for measuring subsonics three-dimensional non-steady flow field parameter efficiently, accurately, comprehensively.
Description
Technical field
The invention belongs to temperature, pressure test technical field, it is related to the dynamic temperature in subsonic speed three-dimensional non-steady flow field, moves
A kind of state device for pressure measurement, and in particular to dynamic temperature force combination probe in measurement subsonics three-dimensional non-steady flow field, is applicable
The test in subsonic speed Three-Dimensional Dynamic flow field between turbomachine import, outlet and level.
Background technology
Inlet flow field, which has dynamic temperature, dynamic pressure combined distortion, can have a strong impact on aero-engine compressor, fan
Aeroperformance, or even cause engine stall, surge, research trends temperature, the Influencing Mechanism of dynamic pressure combined distortion, urgently
Need there is dynamic temperature, the compressor of dynamic pressure combined distortion, fan inlet, level, rotor outlet subsonic speed it is three-dimensional
Dynamic Flow Field is measured.Dynamic pressure signal can only be measured using dynamic pressure transducer at present, using fast thermocouple
Dynamic temperature signal is measured, using conventional steady state pressure probe measurement pressure distribution, it is impossible to provide more three-dimensional non-steadies
Information of flow, is badly in need of more targeted measurement means.
The content of the invention
The technical problem to be solved in the present invention is：For in dynamic temperature, the research of dynamic pressure combined distortion Influencing Mechanism
Measurement means deficiency problem is there is provided a kind of dynamic temperature force combination probe for measuring subsonics three-dimensional non-steady flow field, with showing
Some flow-field test probes are compared, the temperature that can measure subsonic speed simultaneously to flow, stagnation pressure, static pressure, deflection angle, the angle of pitch, Mach
Number and three-dimensional velocity component change with time.
The present invention technical solution be：
1st, a kind of dynamic temperature force combination probe for measuring subsonics three-dimensional non-steady flow field, it is characterised in that：Including visiting
Needle section (1), pole (2), the end of probe (1) include the cylinder (3) of bottom surface, cylinder beveling body (4) altogether, its internal envelope
Fill 4 dynamic pressure transducers, 1 dynamic temperature sensor is installed, dynamic temperature sensor head (5) expose cylinder beveling body
(4) inclined-plane (6)；4 not connected pressure experience holes are provided with the same side on end of probe (1) surface, wherein in probe
On the inclined-plane (6) of the cylinder beveling body (4) on head (1), the front lower place of temperature sensor head (5) is provided with a pressure experience
Hole, for upper hole (7), 3 pressure experience holes, respectively left hole (8), mesopore are provided with end of probe (1) cylinder (3) side
(9), right hole (10), 4 pressure experience holes are connected with 4 dynamic pressure transducers in end of probe (1) respectively.
2nd, further, probe pole (2) is cylinder, and 4 of encapsulation in round pipeline, end of probe (1) are provided with inside it
The cable (11) of branch dynamic pressure transducer, 1 dynamic temperature sensor, the pipeline passed through in probe pole (2) draws probe
Afterbody.
3rd, further, the inclined-plane (6) of end of probe (1) cylinder beveling body (4) and the angle of cylinder (3) axis are 30 °
To 54 °.
4th, further, a diameter of 0.6 millimeter to 1.5 millimeters of upper hole (7), upper hole (7) center of circle and inclined-plane (6) circular arc are minimum
The distance of point is 1 millimeter to 5 millimeters.
5th, further, left hole (8), mesopore (9), a diameter of 0.6 millimeter to 1.5 millimeters of right hole (10), mesopore (9) center of circle
Distance with inclined-plane (6) circular arc minimum point is 1 millimeter to 5 millimeters.
6th, further, dynamic temperature sensor head (5) center line, upper hole (7) center line, mesopore (9) center line, probe
The axis of head (1) cylinder (3) is in approximately the same plane, and left hole (8), right hole (10) are symmetrical along the plane, left hole (8)
It it is 60 ° to 100 ° with right hole (10) centerlines.
7th, further, end of probe (1) cylinder (3) axis is overlapped with probe pole (2) axis.
8th, further, a diameter of 4.5 millimeters to 8 millimeters of described end of probe (1) cylinder (3), it is long 10 millimeters to 50
Millimeter.
The beneficial effects of the invention are as follows：
Compared with existing flow-field test probe, the present invention can measure subsonic speed to flow simultaneously by calibration wind tunnel demarcation
Temperature, stagnation pressure, static pressure, deflection angle, the angle of pitch, Mach number and three-dimensional velocity component change with time, be turbine experiment
There is provided a kind of means for measuring subsonics three-dimensional non-steady flow field parameter efficiently, accurately, comprehensively.
Brief description of the drawings
Fig. 1 is a kind of dynamic temperature force combination probe in measurement subsonics three-dimensional non-steady flow field in the embodiment of the present invention
Structural representation.
Fig. 2 is Fig. 1 left view.
Fig. 3 is Fig. 2 A direction views.
Wherein：1- end of probes, 2- probe poles, 3- cylinders, 4- cylinders beveling body, 5- dynamic temperature sensor heads
Portion, 6- inclined-planes, the upper holes of 7-, 8- left hole, 9- mesopores, 10- right hole, 11- cables.
Embodiment
The present invention will be described in detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, describing a kind of dynamic temperature pressure group for measuring subsonics three-dimensional non-steady flow field in the present embodiment
Probe, including end of probe (1), pole (2) are closed, end of probe (1) includes the cylinder (3) of bottom surface, cylinder beveling body altogether
(4), 4 dynamic pressure transducers of its enclosed inside, 1 dynamic temperature sensor of installation, dynamic temperature sensor head (5) dew
Go out the inclined-plane (6) of cylinder beveling body (4)；4 not connected pressure experiences are provided with the same side on end of probe (1) surface
Hole, wherein on the inclined-plane (6) of the cylinder beveling body (4) of end of probe (1), the front lower place of temperature sensor head (5) is provided with
One pressure experience hole, for upper hole (7), 3 pressure experience holes are provided with end of probe (1) cylinder (3) side, are respectively
Left hole (8), mesopore (9), right hole (10), 4 pressure experience holes respectively with 4 dynamic pressure transducers in end of probe (1)
Connection.
Probe pole (2) is cylinder, and 8 millimeters of diameter is provided with round passage, 5 millimeters of diameter, end of probe inside it
(1) cable (11) of 4 dynamic pressure transducers of encapsulation, 1 dynamic temperature sensor in, by probe pole (2)
Pipeline draws probe tails.
The inclined-plane (6) of end of probe (1) cylinder beveling body (4) is 48 ° with the angle of cylinder (3) axis.
The distance of a diameter of 0.6 millimeter of upper hole (7), upper hole (7) center of circle and inclined-plane (6) circular arc minimum point is 2 millimeters.
Left hole (8), mesopore (9), a diameter of 0.6 millimeter of right hole (10), mesopore (9) center of circle and inclined-plane (6) circular arc are minimum
The distance of point is 1 millimeter.
Dynamic temperature sensor head (5) center line, upper hole (7) center line, mesopore (9) center line, end of probe (1) circle
The axis of cylinder (3) is in approximately the same plane, and left hole (8), right hole (10) are symmetrical along the plane, left hole (8) and right hole
(10) centerlines are 90 °.
End of probe (1) cylinder (3) axis is overlapped with probe pole (2) axis.
A diameter of 6 millimeters of end of probe (1) cylinder (3), it is long 40 millimeters.
A kind of dynamic temperature force combination probe in the measurement subsonics three-dimensional non-steady flow field introduced in the embodiment of the present invention,
Demarcated by subsonic speed calibration wind tunnel, nominal data can be obtained.During actual measurement subsonic speed three-dimensional non-steady flow field, the dynamic
4 dynamic pressure transducers of temperature pressure combinations probe, 1 dynamic temperature sensor measure each experience non-fixed simultaneously
Normal pressure power, unsteady temperature data, using the subsonic speed calibration wind tunnel nominal data of acquisition, carry out data processing, can obtain
Subsonics temperature of incoming flow, stagnation pressure, static pressure, deflection angle, the angle of pitch, Mach number and three-dimensional velocity change with time.
Claims (8)
1. a kind of dynamic temperature force combination probe for measuring subsonics three-dimensional non-steady flow field, it is characterised in that：Including probe
Portion (1), pole (2), the end of probe (1) include the cylinder (3) of bottom surface, cylinder beveling body (4), its enclosed inside 4 altogether
Branch dynamic pressure transducer, 1 dynamic temperature sensor of installation, dynamic temperature sensor head (5) expose cylinder beveling body (4)
Inclined-plane (6)；4 not connected pressure experience holes are provided with the same side on end of probe (1) surface, wherein in end of probe
(1) on the inclined-plane (6) of cylinder beveling body (4), the front lower place of temperature sensor head (5) is provided with a pressure experience hole, is
Upper hole (7), is provided with 3 pressure experience holes on end of probe (1) cylinder (3) side, respectively left hole (8), mesopore (9),
Right hole (10), 4 pressure experience holes are connected with 4 dynamic pressure transducers in end of probe (1) respectively.
2. a kind of dynamic temperature force combination probe for measuring subsonics three-dimensional non-steady flow field according to claim 1, its
It is characterised by：Probe pole (2) is cylinder, and 4 dynamic pressures of encapsulation in round pipeline, end of probe (1) are provided with inside it
The cable (11) of force snesor, 1 dynamic temperature sensor, the pipeline passed through in probe pole (2) draws probe tails.
3. a kind of dynamic temperature force combination probe for measuring subsonics three-dimensional non-steady flow field according to claim 1, its
It is characterised by：The inclined-plane (6) of described end of probe (1) cylinder beveling body (4) and the angle of cylinder (3) axis be 30 ° extremely
54°。
4. a kind of dynamic temperature force combination probe for measuring subsonics three-dimensional non-steady flow field according to claim 1, its
It is characterised by：A diameter of 0.6 millimeter to 1.5 millimeters of upper hole (7), upper hole (7) center of circle and the distance of inclined-plane (6) circular arc minimum point
For 1 millimeter to 5 millimeters.
5. a kind of dynamic temperature force combination probe for measuring subsonics three-dimensional non-steady flow field according to claim 1, its
It is characterised by：Left hole (8), mesopore (9), a diameter of 0.6 millimeter to 1.5 millimeters of right hole (10), mesopore (9) center of circle and inclined-plane
(6) distance of circular arc minimum point is 1 millimeter to 5 millimeters.
6. a kind of dynamic temperature force combination probe for measuring subsonics three-dimensional non-steady flow field according to claim 1, its
It is characterised by：Dynamic temperature sensor head (5) center line, upper hole (7) center line, mesopore (9) center line, end of probe (1)
The axis of cylinder (3) is in approximately the same plane, and left hole (8), right hole (10) are symmetrical along the plane, left hole (8) and right hole
(10) centerlines are 60 ° to 100 °.
7. a kind of dynamic temperature force combination probe for measuring subsonics three-dimensional non-steady flow field according to claim 1, its
It is characterised by：End of probe (1) cylinder (3) axis is overlapped with probe pole (2) axis.
8. a kind of dynamic temperature force combination probe for measuring subsonics three-dimensional non-steady flow field according to claim 1, its
It is characterised by：A diameter of 4.5 millimeters to 8 millimeters of described end of probe (1) cylinder (3), it is long 10 millimeters to 50 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710247116.9A CN106989896B (en) | 2017-04-17 | 2017-04-17 | Dynamic temperature and pressure combined probe for measuring subsonic three-dimensional unsteady flow field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710247116.9A CN106989896B (en) | 2017-04-17 | 2017-04-17 | Dynamic temperature and pressure combined probe for measuring subsonic three-dimensional unsteady flow field |
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| CN106989896A true CN106989896A (en) | 2017-07-28 |
| CN106989896B CN106989896B (en) | 2021-09-07 |
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| CN201710247116.9A Active CN106989896B (en) | 2017-04-17 | 2017-04-17 | Dynamic temperature and pressure combined probe for measuring subsonic three-dimensional unsteady flow field |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111487440A (en) * | 2020-04-14 | 2020-08-04 | 大连凌海华威科技服务有限责任公司 | Calibration method of five-hole probe |
| CN113340561A (en) * | 2021-08-02 | 2021-09-03 | 中国空气动力研究与发展中心空天技术研究所 | Eccentric cylindrical single-hole pneumatic probe for measuring precision in high altitude |
| WO2021174681A1 (en) * | 2020-03-06 | 2021-09-10 | 上海海事大学 | Composite five-hole pressure-temperature probe |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021174681A1 (en) * | 2020-03-06 | 2021-09-10 | 上海海事大学 | Composite five-hole pressure-temperature probe |
| CN111487440A (en) * | 2020-04-14 | 2020-08-04 | 大连凌海华威科技服务有限责任公司 | Calibration method of five-hole probe |
| CN113340561A (en) * | 2021-08-02 | 2021-09-03 | 中国空气动力研究与发展中心空天技术研究所 | Eccentric cylindrical single-hole pneumatic probe for measuring precision in high altitude |
| CN113340561B (en) * | 2021-08-02 | 2021-10-29 | 中国空气动力研究与发展中心空天技术研究所 | Eccentric cylindrical single-hole pneumatic probe for measuring precision in high altitude |
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