CN106802167A - A kind of dynamic temperature force combination probe for measuring Supersonic Three Dimensional Flow Unsteady Flow - Google Patents

A kind of dynamic temperature force combination probe for measuring Supersonic Three Dimensional Flow Unsteady Flow Download PDF

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Publication number
CN106802167A
CN106802167A CN201710132909.6A CN201710132909A CN106802167A CN 106802167 A CN106802167 A CN 106802167A CN 201710132909 A CN201710132909 A CN 201710132909A CN 106802167 A CN106802167 A CN 106802167A
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China
Prior art keywords
probe
wedge
hole
supersonic
dynamic temperature
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CN201710132909.6A
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Chinese (zh)
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CN106802167B (en
Inventor
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 Supersonic Three Dimensional Flow Unsteady Flow, including end of probe, pole, end of probe splits column structure for wedge is top, 4 dynamic pressure transducers of encapsulation in it, 1 dynamic temperature sensor is installed, end of probe windward side includes wedge top bevel during measurement, left surface and right flank, lee face is the face of cylinder, dynamic temperature sensor head wedge of emersion top bevel, 4 pressure experience holes are provided with windward side, connected with 4 dynamic pressure transducers respectively, 5 cables of sensor draw probe tails by pole internal channel.Compared with existing pressure probe, the present invention is demarcated by calibration wind tunnel, Supersonic 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 Supersonic three-dimensional non-steady flow field parameter efficiently, accurately, comprehensively.

Description

A kind of dynamic temperature force combination probe for measuring Supersonic Three Dimensional Flow Unsteady Flow

Technical field

The invention belongs to temperature, pressure test technical field, it is related to the dynamic temperature of Supersonic Three Dimensional Flow Unsteady Flow, moves A kind of state device for pressure measurement, and in particular to the dynamic temperature force combination probe of measurement Supersonic Three Dimensional Flow Unsteady Flow, fits For the test of Supersonic Three Dimensional Flow 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 sueprsonic compressor aeroperformance, Even cause supersonic speed stall, surge, research trends temperature, the Influencing Mechanism of dynamic pressure combined distortion, in the urgent need to depositing Between dynamic temperature, sueprsonic compressor import, the level of dynamic pressure combined distortion, rotor outlet Supersonic Three Dimensional Flow Dynamic Flow Field Measure.Dynamic pressure signal can only be measured using dynamic pressure transducer at present, dynamic is measured using fast thermocouple Temperature signal, using conventional steady state pressure probe measurement pressure distribution, it is impossible to provide more three-dimensional non-steady flow fields information, It 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:Calmed the anger for dynamic temperature, dynamic pressure combined distortion influence supersonic speed The deficiency problem of measurement means present in machine aeroperformance study mechanism, a kind of measurement Supersonic Three Dimensional Flow flow field dynamic temperature of invention Degree, the combination probe of dynamic pressure, compared with existing flow-field test probe, can simultaneously measure air-flow between sueprsonic compressor level Temperature, stagnation pressure, static pressure, deflection angle, the angle of pitch, Mach number and three-dimensional velocity component change with time.

Technical solution of the invention is:

1st, a kind of dynamic temperature force combination probe for measuring Supersonic Three Dimensional Flow Unsteady Flow, it is characterised in that:Including End of probe (1), pole (2), the end of probe (1) split column structure for wedge is top, end of probe (1) windward side during measurement Including wedge top bevel (3), symmetrical left surface (4) and right flank (5), lee face is the rear face of cylinder (6), its enclosed inside 4 Dynamic pressure transducer, 1 dynamic temperature sensor of installation, temperature sensor head (7) wedge of emersion top bevel (3);In probe On the wedge top bevel (3) of head (1), a pressure experience hole is provided with, is upper hole (8), on end of probe (1) left surface (4), the right side Side (5) and the wedge leading edge that they have a common boundary respectively are provided with 1 pressure experience hole, respectively left hole (9), right hole (10) and mesopore (11), this 4 not connected pressure experience holes, connect with 4 dynamic pressure transducers in end of probe respectively.

2nd, further, probe pole (2) is column structure, can be cylinder, or triangular prism, is provided with inside it Circular channel.

3rd, further, end of probe (1) left surface (4), right flank (5) angle are 26 ° to 78 °.

4th, further, the costa that end of probe (1) left surface (4) and right flank (5) have a common boundary, the angle with wedge top bevel It is 32 ° to 56 °.

5th, further, dynamic temperature sensor is arranged on that end of probe (1) wedge is top splits interior rear, temperature sensor head (7) (3) 0.5 millimeters to 3 millimeters of wedge of emersion top bevel.

6th, further, the upper hole (8) on end of probe (1) wedge top bevel, in the front lower place of temperature sensor head (7), Upper hole (8) center of circle is 1 millimeter to 5 millimeters with the distance of wedge top bevel (3) minimum point.

7th, further, temperature sensor head (7) center line of end of probe (1), upper hole (8) center line, mesopore (11) The costa that center line, left surface (4) have a common boundary with right flank (5) in approximately the same plane, be somebody's turn to do by left surface (4), right flank (5) edge Plane symmetry, left hole (9) and right hole (10) are distributed along the plane symmetry.

8th, further, end of probe (1) mesopore (11) center of circle and the distance of wedge top bevel (3) minimum point are 1 millimeter to 3 millis Rice.

9th, further, a diameter of 0.6 millimeter to 1.5 millimeters of upper hole (8), left hole (9), right hole (10) and mesopore (11).

10th, further, dynamic temperature sensor, the cable (12) of dynamic pressure transducer through probe pole (2) internal channel, Drawn by probe tails.

The beneficial effects of the invention are as follows:

Compared with existing pressure probe, the present invention is demarcated by calibration wind tunnel, can simultaneously measure Supersonic temperature of incoming flow, total Pressure, static pressure, deflection angle, the angle of pitch, Mach number and three-dimensional velocity change with time, for turbine experiment provides a kind of height Effect, accurate, measurement Supersonic three-dimensional non-steady flow field parameter comprehensively means.

Brief description of the drawings

Fig. 1 is the dynamic temperature force combination probe of the measurement Supersonic Three Dimensional Flow Unsteady Flow 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- left surfaces, 5- right flanks, the face of cylinder after 6-, 7- Temperature sensor head, the upper holes of 8-, 9- left hole, 10- right hole, 11- mesopores, 12- 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 for measuring Supersonic Three Dimensional Flow Unsteady Flow in the present embodiment Combination probe, including end of probe (1) and pole (2), end of probe (1) split column structure for wedge is top, and circumscribed circle diameter is 6 Millimeter, end of probe (1) is high 30 millimeters, and end of probe (1) windward side includes wedge top bevel (3), symmetrical left surface during measurement (4) and right flank (5), lee face is the rear face of cylinder (6), 4 dynamic pressure transducers of its enclosed inside, installs 1 dynamic temperature Degree sensor, temperature sensor head (7) wedge of emersion top bevel (3);On the wedge top bevel (3) of end of probe (1), one is provided with Individual pressure experience hole, be upper hole (8), it is each in the wedge leading edge of end of probe (1) left surface (4), right flank (5) and their boundaries It is provided with 1 pressure experience hole, respectively left hole (9), right hole (10) and mesopore (11), this 4 not connected pressure experience holes, Connected with 4 dynamic pressure transducers in end of probe respectively.

Probe pole (2) is cylinder, and 8 millimeters of diameter is provided with round passage inside it, 5 millimeters of diameter, dynamic temperature is passed Sensor, the cable (12) of dynamic pressure transducer are drawn through probe pole (2) internal channel by probe tails.

End of probe (1) left surface (4), right flank (5) angle are 30 °.

The costa that end of probe (1) left surface (4) and right flank (5) have a common boundary, is 40 ° with the angle of wedge top bevel.

Dynamic temperature sensor is arranged on that end of probe (1) wedge is top splits interior rear, temperature sensor head (7) wedge of emersion (3) 1 millimeters of top bevel.

Upper hole (8) on end of probe (1) wedge top bevel, in the front lower place of temperature sensor head (7), upper hole (8) circle The heart is 1 millimeter with the distance of wedge top bevel (3) minimum point.

Temperature sensor head (7) center line of end of probe (1), upper hole (8) center line, mesopore (11) center line, a left side The costa that side (4) and right flank (5) have a common boundary in approximately the same plane, left surface (4), right flank (5) along the plane symmetry, Left hole (9) and right hole (10) are distributed along the plane symmetry.

End of probe (1) mesopore (11) center of circle is 1 millimeter with the distance of wedge top bevel (3) minimum point.

A diameter of 0.6 millimeter of upper hole (8), left hole (9), right hole (10) and mesopore (11).

The center of circle of left hole (9), right hole (10) and mesopore (11) at grade, left hole (9) center of circle and left surface (4) and The distance of the costa that right flank (5) has a common boundary is 3 millimeters, before right hole (10) center of circle has a common boundary with left surface (4) and right flank (5) The distance of edge line is 3 millimeters.

The dynamic temperature force combination probe in the measurement Supersonic three-dimensional non-steady flow field introduced in the embodiment of the present invention, passes through Supersonic speed calibration wind tunnel is demarcated, and can obtain nominal data.During actual measurement Supersonic Three Dimensional Flow Unsteady Flow, 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 supersonic speed calibration wind tunnel nominal data for obtaining, carry out data processing, can obtain Supersonic 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. it is a kind of measure Supersonic Three Dimensional Flow Unsteady Flow dynamic temperature force combination probe, it is characterised in that:Including probe Head (1), pole (2), the end of probe (1) split column structure for wedge is top, and end of probe (1) windward side includes during measurement Wedge top bevel (3), symmetrical left surface (4) and right flank (5), lee face are the rear face of cylinder (6), 4 dynamics of its enclosed inside Pressure sensor, 1 dynamic temperature sensor of installation, temperature sensor head (7) wedge of emersion top bevel (3);In end of probe (1) on wedge top bevel (3), a pressure experience hole is provided with, is upper hole (8), in end of probe (1) left surface (4), right flank (5) and they have a common boundary wedge leading edge be respectively provided with 1 pressure experience hole, respectively left hole (9), right hole (10) and mesopore (11), This 4 not connected pressure experience holes, connect with 4 dynamic pressure transducers in end of probe respectively.
2. it is according to claim 1 it is a kind of measure Supersonic Three Dimensional Flow Unsteady Flow dynamic temperature force combination probe, It is characterized in that:Probe pole (2) is column structure, can be cylinder, or triangular prism, is provided with inside it circular logical Road.
3. it is according to claim 1 it is a kind of measure Supersonic Three Dimensional Flow Unsteady Flow dynamic temperature force combination probe, It is characterized in that:End of probe (1) left surface (4), right flank (5) angle are 26 ° to 78 °.
4. it is according to claim 1 it is a kind of measure Supersonic Three Dimensional Flow Unsteady Flow dynamic temperature force combination probe, It is characterized in that:The costa that end of probe (1) left surface (4) and right flank (5) have a common boundary, is 32 ° with the angle of wedge top bevel To 56 °.
5. it is according to claim 1 it is a kind of measure Supersonic Three Dimensional Flow Unsteady Flow dynamic temperature force combination probe, It is characterized in that:Dynamic temperature sensor is arranged on that end of probe (1) wedge is top to split interior rear, temperature sensor head (7) dew Go out (3) 0.5 millimeters to 3 millimeters of wedge top bevel.
6. it is according to claim 1 it is a kind of measure Supersonic Three Dimensional Flow Unsteady Flow dynamic temperature force combination probe, It is characterized in that:Upper hole (8) on end of probe (1) wedge top bevel, in the front lower place of temperature sensor head (7), upper hole (8) The center of circle is 1 millimeter to 5 millimeters with the distance of wedge top bevel (3) minimum point.
7. it is according to claim 1 it is a kind of measure Supersonic Three Dimensional Flow Unsteady Flow dynamic temperature force combination probe, It is characterized in that:Temperature sensor head (7) center line of end of probe (1), upper hole (8) center line, mesopore (11) center line, In approximately the same plane, left surface (4), right flank (5) are along the plane pair for the costa that left surface (4) has a common boundary with right flank (5) Claim, left hole (9) and right hole (10) are distributed along the plane symmetry.
8. it is according to claim 1 it is a kind of measure Supersonic Three Dimensional Flow Unsteady Flow dynamic temperature force combination probe, It is characterized in that:End of probe (1) mesopore (11) center of circle is 1 millimeter to 3 millimeters with the distance of wedge top bevel (3) minimum point.
9. it is according to claim 1 it is a kind of measure Supersonic Three Dimensional Flow Unsteady Flow dynamic temperature force combination probe, It is characterized in that:A diameter of 0.6 millimeter to 1.5 millimeters of upper hole (8), left hole (9), right hole (10) and mesopore (11).
10. it is according to claim 1 it is a kind of measure Supersonic Three Dimensional Flow Unsteady Flow dynamic temperature force combination probe, It is characterized in that:Dynamic temperature sensor, the cable (12) of dynamic pressure transducer through probe pole (2) internal channel, by probe Afterbody is drawn.
CN201710132909.6A 2017-03-08 2017-03-08 Dynamic temperature and pressure combined probe for measuring supersonic three-dimensional unsteady flow field CN106802167B (en)

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Citations (5)

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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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