CN106840272A - A kind of dynamic temperature force combination probe for measuring across sound three-dimensional non-steady flow field - Google Patents

A kind of dynamic temperature force combination probe for measuring across sound three-dimensional non-steady flow field Download PDF

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Publication number
CN106840272A
CN106840272A CN201710247056.0A CN201710247056A CN106840272A CN 106840272 A CN106840272 A CN 106840272A CN 201710247056 A CN201710247056 A CN 201710247056A CN 106840272 A CN106840272 A CN 106840272A
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China
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probe
dynamic temperature
wedge
dimensional
hole
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CN201710247056.0A
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Chinese (zh)
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CN106840272B (en
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马宏伟
马融
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北京航空航天大学
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring 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 across sound three-dimensional non-steady flow field, including end of probe, pole, end of probe is wedge top prismatic structure, windward side includes wedge top tapered plane, horizontal frontal plane, left side plan and right side plan, lee face is cylinder cambered surface, 4 dynamic pressure transducers of encapsulation in it, 1 dynamic temperature sensor, temperature sensor head wedge of emersion top bevel, 4 not connected pressure experience holes are provided with end of probe windward side, connected with 4 pressure sensors respectively, sensor wire draws probe tails by pole internal channel.Compared with existing flow-field test probe, the present invention is demarcated by calibration wind tunnel, across sound temperature of incoming flow, stagnation pressure, static pressure, deflection angle, the angle of pitch, Mach number and three-dimensional velocity can simultaneously be measured to change with time, for turbine experiment provides a kind of means for measuring across sound three-dimensional non-steady flow field efficiently, accurately, comprehensively.

Description

A kind of dynamic temperature force combination probe for measuring across sound three-dimensional non-steady flow field

Technical field

The invention belongs to temperature, pressure test technical field, it is related to the dynamic temperature in transonic 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 across the sound three-dimensional non-steady flow field of measurement, is applicable The test in transonic speed Three-Dimensional Dynamic flow field between turbomachine import, outlet and level.

Background technology

Inlet flow field has dynamic temperature, dynamic pressure combined distortion can have a strong impact on aero-engine compressor, fan Aeroperformance, or even engine stall, surge are caused, research trends temperature, the influence of dynamic pressure combined distortion, in the urgent need to Between the transonic compressor import, the level that there is dynamic temperature, dynamic pressure combined distortion, rotor outlet transonic speed Three-Dimensional Dynamic Flow field measures.Dynamic pressure signal can only be measured using dynamic pressure transducer at present, be measured using fast thermocouple Dynamic temperature signal, using conventional steady state pressure probe measurement pressure distribution, it is impossible to provide more three-dimensional non-steady flow fields Information, 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, dynamic pressure combined distortion influence experimental study Measurement means deficiency problem, invents a kind of dynamic temperature force combination probe for measuring across sound three-dimensional non-steady flow field, and existing Flow-field test probe compare, temperature, stagnation pressure, static pressure, deflection angle, the angle of pitch, the Mach number that can transonic speed measured simultaneously to flow Changed with time with three-dimensional velocity component.

Technical solution of the invention is:

1st, a kind of dynamic temperature force combination probe for measuring across sound three-dimensional non-steady flow field, it is characterised in that:Including visiting Needle section (1), pole (2), the end of probe (1) are wedge top prismatic structure, 4 dynamic pressure sensings of its enclosed inside Device, 1 dynamic temperature sensor of installation, the windward side of end of probe (1) includes wedge top tapered plane (3), just puts down during probe measurement Face (4), symmetrical left side plan (5) and right side plan (6), lee face are cylinder cambered surface (7);Dynamic temperature sensor head (8) wedge of emersion top tapered plane;On the wedge top bevel (3) of end of probe (1), a pressure experience hole is provided with, is upper hole (9), 1 pressure experience hole is respectively provided with end of probe (1) horizontal frontal plane (4), symmetrical left side plan (5) and right side plan (6), respectively Be mesopore (10), left hole (11), right hole (12), this 4 not connected pressure experience holes, respectively with end of probe (1) in 4 Individual dynamic pressure transducer connection.

2nd, further, probe pole (2) is cylinder, and round pipeline is provided with inside it.

3rd, further, the axis of the cylinder cambered surface (7) of end of probe (1) overlaps with the axis of probe pole (2).

4th, further, dynamic temperature sensor head (8) center line of end of probe (1) wedge of emersion top bevel and upper hole (9) center line, mesopore (10) center line, probe pole (2) axis be in approximately the same plane, left side plan (5) and right side plan (6) along the plane symmetry, left hole (11) and right hole (12) are distributed along the plane symmetry.

5th, further, the horizontal frontal plane (4) of end of probe (1) is wide 1 millimeter to 2 millimeters, left side plan (5) and right side plan (6) angle is 30 ° to 90 °.

6th, further, end of probe (1) wedge top tapered plane (3) and the angle of probe pole (2) axis are 28 ° to 54 °.

7th, further, dynamic temperature sensor is arranged on rear, dynamic temperature in the prismatic structure of end of probe (1) wedge top 0.5 millimeter to 3 millimeters of sensor head (8) wedge of emersion top bevel.

8th, further, the upper hole (9) on end of probe (1) wedge top bevel (3), in the front lower of temperature sensor head (8) Side, a diameter of 0.6 millimeter to 1.5 millimeters of upper hole (9), the center of circle is 1 millimeter to 5 millimeters with wedge top bevel (3) base distance.

9th, further, a diameter of 0.6 millimeter to 1.5 of the mesopore (10) of end of probe (1), left hole (11) and right hole (12) Millimeter, mesopore (10) center of circle is 1 millimeter to 5 millimeters with the base distance of wedge top bevel (3).

10th, further, the cable (13) of dynamic pressure transducer and dynamic temperature sensor is by the pipe in probe pole (2) Road, is drawn by probe tails.

The beneficial effects of the invention are as follows:

Compared with existing transonic flow test probe, the present invention is demarcated by calibration wind tunnel, can measure across sound to flow simultaneously Temperature, stagnation pressure, static pressure, deflection angle, the angle of pitch, Mach number and three-dimensional velocity change with time, for turbine experiment is provided A kind of means for measuring across sound three-dimensional non-steady flow field efficiently, accurately, comprehensively.

Brief description of the drawings

Fig. 1 is the dynamic temperature force combination probe in across the sound three-dimensional non-steady flow field of measurement in embodiments of the invention Structural representation.

Fig. 2 is the left view of Fig. 1.

Fig. 3 is the A direction views of Fig. 2.

Wherein:1- end of probes, 2- probe poles, 3- wedges top bevel, 4- horizontal frontal planes, 5- left side plans, 6- right side plans, 7- cylinder cambered surfaces, 8- dynamic temperature sensor heads, the upper holes of 9-, 10- mesopores, 11- left hole, 12- right hole, 13- cables.

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, describing a kind of dynamic temperature pressure group for measuring across sound three-dimensional non-steady flow field in the present embodiment Probe, including end of probe (1) and pole (2) are closed, end of probe (1) is wedge top prismatic structure, and circumscribed circle diameter is 6 millis Rice, end of probe (1) is high 30 millimeters, 4 dynamic pressure transducers of its enclosed inside, 1 dynamic temperature sensor of installation, probe The windward side of end of probe (1) includes wedge top tapered plane (3), horizontal frontal plane (4), symmetrical left side plan (5) and right side during measurement Plane (6), lee face is cylinder cambered surface (7);Dynamic temperature sensor head (8) wedge of emersion top tapered plane;In end of probe (1) Wedge top bevel (3) on, be provided with a pressure experience hole, be upper hole (9), on end of probe (1) horizontal frontal plane (4), a symmetrical left side Side plane (5) and right side plan (6) are respectively provided with 1 pressure experience hole, respectively mesopore (10), left hole (11), right hole (12), this 4 not connected pressure experience holes, connect with 4 dynamic pressure transducers in end of probe (1) respectively.

Probe pole (2) is cylinder, and 8 millimeters of diameter is provided with round passage, 5 millimeters of diameter inside it.

The axis of the cylinder cambered surface (7) of end of probe (1) overlaps with the axis of probe pole (2).

Dynamic temperature sensor head (8) center line of end of probe (1) wedge of emersion top bevel and upper hole (9) center line, In approximately the same plane, left side plan (5) and right side plan (6) are along the plane for mesopore (10) center line, probe pole (2) axis Symmetrically, left hole (11) and right hole (12) are distributed along the plane symmetry.

The horizontal frontal plane (4) of end of probe (1) is wide 1 millimeter, and left side plan (5) and right side plan (6) angle are 40 °.Left hole (11), at grade, left hole (11) center of circle is with the distance on horizontal frontal plane (4) left side in the center of circle of right hole (12) and mesopore (10) 3 millimeters, right hole (12) center of circle is 3 millimeters with the distance on the right of horizontal frontal plane (4).

End of probe (1) wedge top tapered plane (3) are 40 ° with the angle of probe pole (2) axis.

Dynamic temperature sensor is arranged on rear, dynamic temperature sensor head in the prismatic structure of end of probe (1) wedge top 1 millimeter of portion (8) wedge of emersion top bevel.

Upper hole (9) on end of probe (1) wedge top bevel (3), in the front lower place of temperature sensor head (8), upper hole (9) A diameter of 0.6 millimeter, the center of circle and wedge top bevel (3) base distance are 1 millimeter.

A diameter of 0.6 millimeter of the mesopore (10) of end of probe (1), left hole (11) and right hole (12), mesopore (10) center of circle Base distance with wedge top bevel (3) is 1 millimeter.

The cable (13) of dynamic pressure transducer and dynamic temperature sensor by the pipeline in probe pole (2), by probe Afterbody is drawn.

The dynamic temperature force combination probe in across the sound three-dimensional non-steady flow field of measurement introduced in the embodiment of the present invention, passes through Transonic speed calibration wind tunnel is demarcated, and can obtain nominal data.During actual measurement transonic speed three-dimensional non-steady flow field, the dynamic temperature 4 dynamic pressure transducers of force combination probe, 1 dynamic temperature sensor measure the unsteady pressure each experienced simultaneously Power, unsteady temperature data, using the transonic speed calibration wind tunnel nominal data for obtaining, carry out data processing, can obtain across sound Temperature of incoming flow, stagnation pressure, static pressure, deflection angle, the angle of pitch, Mach number and three-dimensional velocity change with time.

Claims (10)

1. a kind of dynamic temperature force combination probe for measuring across sound three-dimensional non-steady flow field, it is characterised in that:Including probe Portion (1), pole (2), the end of probe (1) are wedge top prismatic structure, 4 dynamic pressure transducers of its enclosed inside, peace Fill 1 dynamic temperature sensor, during probe measurement the windward side of end of probe (1) include wedge top tapered plane (3), horizontal frontal plane (4), Symmetrical left side plan (5) and right side plan (6), lee face is cylinder cambered surface (7);Dynamic temperature sensor head (8) exposes Wedge top tapered plane;On the wedge top bevel (3) of end of probe (1), a pressure experience hole is provided with, is upper hole (9), in probe Portion (1) horizontal frontal plane (4), symmetrical left side plan (5) and right side plan (6) are respectively provided with 1 pressure experience hole, respectively mesopore (10), left hole (11), right hole (12), this 4 not connected pressure experience holes, respectively with end of probe (1) in 4 dynamics Pressure sensor is connected.
2. a kind of dynamic temperature force combination probe for measuring across sound three-dimensional non-steady flow field according to claim 1, its It is characterised by:Described probe pole (2) is cylinder, and round pipeline is provided with inside it.
3. a kind of dynamic temperature force combination probe for measuring across sound three-dimensional non-steady flow field according to claim 1, its It is characterised by:The axis of the cylinder cambered surface (7) of the end of probe (1) overlaps with the axis of probe pole (2).
4. a kind of dynamic temperature force combination probe for measuring across sound three-dimensional non-steady flow field according to claim 1, its It is characterised by:In dynamic temperature sensor head (8) center line of end of probe (1) the wedge of emersion top bevel and upper hole (9) Heart line, mesopore (10) center line, probe pole (2) axis in approximately the same plane, left side plan (5) and right side plan (6) edge The plane symmetry, left hole (11) and right hole (12) are distributed along the plane symmetry.
5. a kind of dynamic temperature force combination probe for measuring across sound three-dimensional non-steady flow field according to claim 1, its It is characterised by:The horizontal frontal plane (4) of the end of probe (1) is wide 1 millimeter to 2 millimeters, and left side plan (5) and right side plan (6) are pressed from both sides Angle is 30 ° to 90 °.
6. a kind of dynamic temperature force combination probe for measuring across sound three-dimensional non-steady flow field according to claim 1, its It is characterised by:The end of probe (1) wedge top tapered plane (3) is 28 ° to 54 ° with the angle of probe pole (2) axis.
7. a kind of dynamic temperature force combination probe for measuring across sound three-dimensional non-steady flow field according to claim 1, its It is characterised by:Dynamic temperature sensor is arranged on rear, dynamic temperature sensor head in the prismatic structure of end of probe (1) wedge top 0.5 millimeter to 3 millimeters of portion (8) wedge of emersion top bevel.
8. a kind of dynamic temperature force combination probe for measuring across sound three-dimensional non-steady flow field according to claim 1, its It is characterised by:Upper hole (9) on end of probe (1) wedge top bevel (3), in the front lower place of dynamic temperature sensor head (8), on A diameter of 0.6 millimeter to 1.5 millimeters of hole (9), the center of circle is 1 millimeter to 5 millimeters with wedge top bevel (3) base distance.
9. a kind of dynamic temperature force combination probe for measuring across sound 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 the mesopore (10) of end of probe (1), left hole (11) and right hole (12), in Hole (10) center of circle is 1 millimeter to 5 millimeters with the base distance of wedge top bevel (3).
10. a kind of dynamic temperature force combination probe for measuring across sound three-dimensional non-steady flow field according to claim 1, its It is characterised by:The cable (13) of dynamic pressure transducer and dynamic temperature sensor through the pipeline in probe pole (2), by probe Afterbody is drawn.
CN201710247056.0A 2017-04-17 2017-04-17 Dynamic temperature and pressure combined probe for measuring transonic three-dimensional unsteady flow field CN106840272B (en)

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CN201710247056.0A CN106840272B (en) 2017-04-17 2017-04-17 Dynamic temperature and pressure combined probe for measuring transonic three-dimensional unsteady flow field

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CN201710247056.0A CN106840272B (en) 2017-04-17 2017-04-17 Dynamic temperature and pressure combined probe for measuring transonic three-dimensional unsteady flow field

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994020014A1 (en) * 1993-03-05 1994-09-15 Sahagen Armen N Probe for monitoring a fluid medium
DE4337402A1 (en) * 1993-10-26 1995-04-27 Mannesmann Ag Probe for measuring pressure and temperature profiles
CN103884467A (en) * 2014-04-14 2014-06-25 中国科学院工程热物理研究所 Plasma pressure probe and system for measuring pressure by utilizing plasma pressure probe
CN104048808A (en) * 2013-03-14 2014-09-17 中国科学院工程热物理研究所 Dynamic entropy probe
CN106404409A (en) * 2016-11-16 2017-02-15 中国科学院工程热物理研究所 Probe assembly suitable for strong-shearing unsteady flow test of aeroengine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994020014A1 (en) * 1993-03-05 1994-09-15 Sahagen Armen N Probe for monitoring a fluid medium
DE4337402A1 (en) * 1993-10-26 1995-04-27 Mannesmann Ag Probe for measuring pressure and temperature profiles
CN104048808A (en) * 2013-03-14 2014-09-17 中国科学院工程热物理研究所 Dynamic entropy probe
CN103884467A (en) * 2014-04-14 2014-06-25 中国科学院工程热物理研究所 Plasma pressure probe and system for measuring pressure by utilizing plasma pressure probe
CN106404409A (en) * 2016-11-16 2017-02-15 中国科学院工程热物理研究所 Probe assembly suitable for strong-shearing unsteady flow test of aeroengine

Non-Patent Citations (2)

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Title
姚君: "基于数字信号处理功能实现的动态探针研制", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 *
彭建等: "非定常流测量用薄膜热电阻温度探针的性能研究", 《航空动力学报》 *

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