CN106932165A - A kind of pore pressure force probe of round platform five is combed - Google Patents
A kind of pore pressure force probe of round platform five is combed Download PDFInfo
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- CN106932165A CN106932165A CN201710115472.5A CN201710115472A CN106932165A CN 106932165 A CN106932165 A CN 106932165A CN 201710115472 A CN201710115472 A CN 201710115472A CN 106932165 A CN106932165 A CN 106932165A
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- probe
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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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- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention belongs to pressure test technical field, disclose a kind of pore pressure force probe of round platform five comb, comprising probe, pole, pressure guiding pipe, probe is the cylinder that head is round platform, quantity determines according to measurement request, at least 3, pole difference is separately fixed to open up to measurement position, the round platform end face center of probe and side are respectively provided with 1,4 pressure experience holes, experience hole for 5 to be connected with 5 pressure guiding pipes being encapsulated in probe respectively, passage is provided with inside pole, the other end of pressure guiding pipe is drawn through the passage in pole by probe tails.The present invention is demarcated by calibration wind tunnel, stagnation pressure, static pressure, deflection angle, the angle of pitch and the Mach number that can measure multiple locus simultaneously to flow, it is adaptable to measured transonic compressor import, exported distribution of the three-dimensional flow field parameter along blade height direction.Compared with the pressure probe of existing measurement three-dimensional flow field, can simultaneously measure multiple locus to flow parameter, farthest shorten time of measuring, reduce experimentation cost.
Description
Technical field
The invention belongs to pressure test technical field, it is related to three-dimensional flow field device for pressure measurement, and in particular to a kind of round platform
Five pore pressure force probes are combed, it is adaptable to measured transonic compressor import, outlet three-dimensional flow field and flowed the angle of pitch, deflection angle, stagnation pressure, quiet
Press the distribution along blade height direction with Mach number.
Compared with the pressure probe of existing measurement three-dimensional flow field, it is not required to, by probe displacement mechanism, change point position,
The angle of pitch, deflection angle, stagnation pressure, static pressure and Mach number edge can be flowed in the import of instantaneous completion transonic compressor, outlet three-dimensional flow field
The measurement of leaf directional spreding high, and reduce experimentation cost.
Background technology
Transonic compressor experiment needs measurement import, outlet three-dimensional flow field parameter, including to flow the angle of pitch, deflection angle, total
Pressure, static pressure and Mach number etc. typically use four holes or five pore pressure force probes, by probe at present along the distribution in blade height direction
Displacement mechanism drives probe to different leaf high positions, measures respectively, and due to being spot measurement, it is necessary to traveling probe, ability is complete
Into multimetering, experiment time of measuring is more long, and experimental cost is higher.
And in the experiment of some transonic compressors, because effective test period is short, only short a few minutes, or even several seconds
Clock, using existing pressure probe cannot be completed in several seconds testpieces import, outlet three-dimensional flow field parameter it is high along leaf
The measurement of directional spreding.
The content of the invention
The technical problem to be solved in the present invention is：Cannot be completed across sound in several seconds for existing pressure probe
The problem that the import of Compressor test part, outlet three-dimensional flow field parameter are measured along leaf directional spreding high, invents a kind of pore pressure of round platform five
Force probe is combed, and compared with existing pressure probe, can measure multiple locus simultaneously to flow parameter, can farthest be shortened
Time of measuring, completes the import of transonic compressor testpieces, exports three-dimensional flow field to flow the angle of pitch, deflection angle, stagnation pressure, static pressure and horse
Conspicuous number reduces experimentation cost along the measurement of leaf directional spreding high.
Technical solution of the invention is：
1st, the pore pressure force probe of a kind of round platform five comb, it is characterised in that：Comprising probe (1), pole (2), pressure guiding pipe (3), institute
It is the cylinder that head is round platform to state probe (1), and quantity determines according to measurement request, at least 3, will according to measurement position
Ask, be separately fixed at pole (2) difference and open up in measurement position, 1 pressure experience is provided with the round platform end face center of probe (1)
Hole, is mesopore (4), probe (1) frustum cone side on be circumferentially uniformly provided with 4 pressure experience holes, respectively go up hole (5),
Left hole (6), right hole (7), lower opening (8), mesopore (4), upper hole (5), lower opening (8) center line in one plane, left hole (6),
Right hole (7) along the plane symmetry be distributed, mesopore (4), left hole (6), right hole (7) center line in one plane, upper hole (5),
Lower opening (8) is distributed along the plane symmetry, and each pressure experience hole is only with one end that a pressure guiding pipe (3) is encapsulated in probe (1)
From connection, passage is provided with inside pole (2), the other end of each pressure guiding pipe (3) is drawn through the passage in pole (2) by probe tails
Go out.
2nd, further, a diameter of 0.4 millimeter to 1.5 millimeters of (1) round platform top surface of probe, basal diameter is 1.5 millimeters to 6 millis
Rice.
3rd, further, the coning angle of probe (1) round platform is 30 ° to 100 °.
4th, further, mesopore (4), upper hole (5), left hole (6), right hole (7), a diameter of 0.2 millimeter to 1 millimeter of lower opening (8).
5th, further, mesopore (4) and the distance of probe comb pole (2) leading edge are 2 millimeters to 20 millimeters.
6th, further, a diameter of 0.2 millimeter to 1 millimeter of pressure guiding pipe (3).
7th, further, the cuboid of rounding before and after pole (2) can be, circle external diameter is 2 millimeters to 10 millimeters.
8th, further, pole (2) can be wedge cylinder, and wedge drift angle is 20 ° to 90 °.
The beneficial effects of the invention are as follows：
The present invention is demarcated by calibration wind tunnel, the stagnation pressure that can multiple locus be measured simultaneously to flow, static pressure, the angle of pitch,
Deflection angle and Mach number, it is adaptable to measure transonic compressor import, export three-dimensional flow field to flow parameter along blade height direction
Distribution.Compared with the pressure probe of existing measurement three-dimensional flow field, can multiple locus be measured simultaneously to flow parameter, can be maximum
Degree ground shortens time of measuring, completes transonic compressor import, outlet three-dimensional flow field parameter along the measurement of leaf directional spreding high, drops
Low experimentation cost.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the pore pressure force probe of round platform five comb in embodiments of the invention one.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the A of Fig. 2 to sectional view.
Fig. 4 is in Fig. 2 I partial enlarged drawing.
Fig. 5 is a kind of structural representation of the pore pressure force probe of round platform five comb in embodiments of the invention two.
Fig. 6 is the right view of Fig. 5.
Fig. 7 is the A of Fig. 6 to sectional view.
Fig. 8 is in Fig. 6 II partial enlarged drawing.
Wherein：1- pops one's head in, 2- poles, 3- pressure guiding pipes, 4- mesopores, the upper holes of 5-, 6- left hole, 7- right hole, 8- lower opening
Specific embodiment
The present invention will be described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment one
As shown in figure 1, described in the present embodiment a kind of pore pressure force probe of round platform five comb, comprising probe (1), pole (2),
Pressure guiding pipe (3), probe (1) is the cylinder that head is round platform, and quantity is defined as 5 according to measurement request, according to measurement position
It is required that, it is separately fixed at pole (2) difference and opens up in measurement position, it is provided with 1 feeling of stress in the round platform end face center of probe (1)
It is mesopore (4) by hole, 4 pressure experience holes is circumferentially uniformly provided with the frustum cone side of probe (1), respectively goes up hole
(5), left hole (6), right hole (7), lower opening (8), mesopore (4), upper hole (5), lower opening (8) center line in one plane, left hole
(6), right hole (7) along the plane symmetry be distributed, mesopore (4), left hole (6), right hole (7) center line in one plane, upper hole
(5), lower opening (8) is distributed along the plane symmetry, and each pressure experience hole is encapsulated in probe (1) with a pressure guiding pipe (3)
End connects alone, is provided with passage inside pole (2), the other end of each pressure guiding pipe (3) through the passage in pole (2), by probe tail
Draw in portion.
A diameter of 0.5 millimeter of (1) round platform top surface of probe, basal diameter is 3 millimeters.
The coning angle of probe (1) round platform is 80 °.
Mesopore (4), upper hole (5), left hole (6), right hole (7), a diameter of 0.5 millimeter of lower opening (8).
Mesopore (4) is 10 millimeters with the distance of probe comb pole (2) leading edge.
A diameter of 0.5 millimeter of pressure guiding pipe (3).
Pole (2) is the cuboid of front and rear rounding, and circle external diameter is 9 millimeters, and two centers of circle distance is 11 millimeters.
The present invention is demarcated by calibration wind tunnel, the stagnation pressure that can multiple locus be measured simultaneously to flow, static pressure, the angle of pitch,
Deflection angle and Mach number, it is adaptable to measure transonic compressor import, export subsonic speed three-dimensional flow field to flow parameter along blade height
The distribution in direction.
Embodiment two
As shown in figure 5, described in the present embodiment a kind of pore pressure force probe of round platform five comb, comprising probe (1), pole (2),
Pressure guiding pipe (3), probe (1) is the cylinder that head is round platform, and quantity is defined as 5 according to measurement request, according to measurement position
It is required that, it is separately fixed at pole (2) difference and opens up in measurement position, it is provided with 1 feeling of stress in the round platform end face center of probe (1)
It is mesopore (4) by hole, 4 pressure experience holes is circumferentially uniformly provided with the frustum cone side of probe (1), respectively goes up hole
(5), left hole (6), right hole (7), lower opening (8), mesopore (4), upper hole (5), lower opening (8) center line in one plane, left hole
(6), right hole (7) along the plane symmetry be distributed, mesopore (4), left hole (6), right hole (7) center line in one plane, upper hole
(5), lower opening (8) is distributed along the plane symmetry, and each pressure experience hole is encapsulated in probe (1) with a pressure guiding pipe (3)
End connects alone, is provided with passage inside pole (2), the other end of each pressure guiding pipe (3) through the passage in pole (2), by probe tail
Draw in portion.
A diameter of 0.5 millimeter of (1) round platform top surface of probe, basal diameter is 3 millimeters.
The coning angle of probe (1) round platform is 30 °.
Mesopore (4), upper hole (5), left hole (6), right hole (7), a diameter of 0.5 millimeter of lower opening (8).
Mesopore (4) is 6 millimeters with the distance of probe comb pole (2) leading edge.
A diameter of 0.5 millimeter of pressure guiding pipe (3).
Pole (2) is wedge cylinder, and wedge drift angle is 30 °.
The present invention is demarcated by calibration wind tunnel, the stagnation pressure that can multiple locus be measured simultaneously to flow, static pressure, the angle of pitch,
Deflection angle and Mach number, it is adaptable to measure transonic compressor import, export Supersonic Three Dimensional Flow flow field to flow parameter along blade height
The distribution in direction.
Claims (8)
1. a kind of pore pressure force probe of round platform five is combed, it is characterised in that：Comprising probe (1), pole (2), pressure guiding pipe (3), the spy
Head (1) is the cylinder that head is round platform, and quantity determines according to measurement request, at least 3, is required according to measurement position, point
Pole (2) difference is not fixed on to open up in measurement position, 1 pressure experience hole is provided with the round platform end face center of probe (1), be
Mesopore (4), 4 pressure experience holes are circumferentially uniformly provided with the frustum cone side of probe (1), respectively go up hole (5), left hole
(6), right hole (7), lower opening (8), mesopore (4), upper hole (5), lower opening (8) center line in one plane, left hole (6), right hole
(7) along the plane symmetry be distributed, mesopore (4), left hole (6), right hole (7) center line in one plane, upper hole (5), lower opening
(8) it is distributed along the plane symmetry, one end that each pressure experience hole is encapsulated in probe (1) with a pressure guiding pipe (3) connects alone
It is logical, passage is provided with inside pole (2), the other end of each pressure guiding pipe (3) is drawn through the passage in pole (2) by probe tails.
2. a kind of pore pressure force probe of round platform according to claim 1 five is combed, it is characterised in that：Probe (1) round platform top surface is straight
Footpath is 0.4 millimeter to 1.5 millimeters, and basal diameter is 1.5 millimeters to 6 millimeters.
3. a kind of pore pressure force probe of round platform according to claim 1 five is combed, it is characterised in that：The circular cone of probe (1) round platform
Angle is 30 ° to 100 °.
4. a kind of pore pressure force probe of round platform according to claim 1 five is combed, it is characterised in that：Mesopore (4), upper hole (5), a left side
Hole (6), right hole (7), a diameter of 0.2 millimeter to 1 millimeter of lower opening (8).
5. a kind of pore pressure force probe of round platform according to claim 1 five is combed, it is characterised in that：Mesopore (4) combs branch with probe
The distance of bar (2) leading edge is 2 millimeters to 20 millimeters.
6. a kind of pore pressure force probe of round platform according to claim 1 five is combed, it is characterised in that：Pressure guiding pipe (3) a diameter of 0.2
Millimeter is to 1 millimeter.
7. a kind of pore pressure force probe of round platform according to claim 1 five is combed, it is characterised in that：Pole (2) can be front and rear
The cuboid of rounding, circle external diameter is 2 millimeters to 10 millimeters.
8. a kind of pore pressure force probe of round platform according to claim 1 five is combed, it is characterised in that：Pole (2) can be wedge
Cylinder, wedge drift angle is 20 ° to 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710115472.5A CN106932165A (en) | 2017-03-01 | 2017-03-01 | A kind of pore pressure force probe of round platform five is combed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710115472.5A CN106932165A (en) | 2017-03-01 | 2017-03-01 | A kind of pore pressure force probe of round platform five is combed |
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| Publication Number | Publication Date |
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| CN106932165A true CN106932165A (en) | 2017-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710115472.5A Pending CN106932165A (en) | 2017-03-01 | 2017-03-01 | A kind of pore pressure force probe of round platform five is combed |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458854A (en) * | 2018-05-22 | 2018-08-28 | 华中科技大学 | A kind of three-dimensional stern flow-field test device |
| CN113155401A (en) * | 2021-02-24 | 2021-07-23 | 中国空气动力研究与发展中心空天技术研究所 | Rotatable linear flow measuring device and measuring method |
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| WO2011148094A1 (en) * | 2010-05-25 | 2011-12-01 | Turbomeca | Device for multipoint acquisition/distribution of fluid, in particular probe for tapping pressure in a turbomachine air inlet |
| CN203940946U (en) * | 2014-07-04 | 2014-11-12 | 北京航空航天大学 | A kind of five-hole probe for full flow directional detection |
| CN104713693A (en) * | 2014-12-15 | 2015-06-17 | 中国燃气涡轮研究院 | Pressure-leading type supersonic velocity five-hole probe with orthogonal auxiliary holes |
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| WO2011148094A1 (en) * | 2010-05-25 | 2011-12-01 | Turbomeca | Device for multipoint acquisition/distribution of fluid, in particular probe for tapping pressure in a turbomachine air inlet |
| CN203940946U (en) * | 2014-07-04 | 2014-11-12 | 北京航空航天大学 | A kind of five-hole probe for full flow directional detection |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458854A (en) * | 2018-05-22 | 2018-08-28 | 华中科技大学 | A kind of three-dimensional stern flow-field test device |
| CN108458854B (en) * | 2018-05-22 | 2024-02-02 | 华中科技大学 | Three-dimensional stern flow field testing device |
| CN113155401A (en) * | 2021-02-24 | 2021-07-23 | 中国空气动力研究与发展中心空天技术研究所 | Rotatable linear flow measuring device and measuring method |
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Application publication date: 20170707 |