CN208297124U - It is a kind of for measuring the five-hole probe of compressor rotor exit flow angle - Google Patents
It is a kind of for measuring the five-hole probe of compressor rotor exit flow angle Download PDFInfo
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- CN208297124U CN208297124U CN201820862818.8U CN201820862818U CN208297124U CN 208297124 U CN208297124 U CN 208297124U CN 201820862818 U CN201820862818 U CN 201820862818U CN 208297124 U CN208297124 U CN 208297124U
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- diameter air
- probe
- hole probe
- air hose
- large diameter
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Abstract
It is the utility model relates to compressor experimental field, in particular to a kind of for measuring the five-hole probe of compressor rotor exit flow angle.The five-hole probe, comprising: large diameter air pipe；Probe strut, front end are fixedly connected with large diameter air pipe one end；And five minor diameter air hoses, one end sequentially passes through inside probe strut and large diameter air pipe and concordant with large diameter air pipe port；Wherein, five minor diameter air hoses are wherein coaxially disposed for one with large diameter air pipe, remaining four are uniformly arranged in large diameter air pipe；After filling solder in large diameter air pipe, it will process to form the conical surface and be bent into five-hole probe gauge head with five concordant one end of minor diameter air hose.The method that the gauge head of the five-hole probe fills solder using five path air hoses built in major diameter air hose and in major diameter air hose is process, the gauge head size of five-hole probe is effectively reduced, requirement of the compressor rotor exit flow angle measurement to gauge head size is enough met.
Description
Technical field
The utility model relates to compressor experimental fields, in particular to a kind of for measuring compressor rotor outlet flow angle
The five-hole probe of degree.
Background technique
Aero-engine development needs the support of component test, and Compressor test is wherein one of essential elements test,
Measuring compressor rotor exit flow angle in compressor experiment can assess to obtain the performance of the leaf design of rotor blade accordingly,
This improvement leaf for compressor rotor blade has very important directive function.
Currently, mainly being measured using hole probe to compressor rotor exit flow angle, but current five-hole probe
For gauge head by being machined, size is larger, and compressor interstage space is smaller, using it to compressor rotor outlet flow angle
Degree measures difficulty.
Summary of the invention
The purpose of the utility model is to provide a kind of for measuring the five-hole probe of compressor rotor exit flow angle,
To solve the above problems.
The technical solution of the utility model is: it is a kind of for measuring the five-hole probe of compressor rotor exit flow angle,
Include:
Large diameter air pipe；
Probe strut, front end are fixedly connected with large diameter air pipe one end；And
Five minor diameter air hoses, one end sequentially pass through probe strut inside and large diameter air pipe and and large diameter air
Pipe port is concordant；
Wherein,
Five minor diameter air hoses are wherein coaxially disposed for one with large diameter air pipe, remaining four in large diameter air pipe
In be uniformly arranged in the circumferential direction；
Solder is filled in large diameter air pipe, be shaped to the conical surface with five concordant one end of minor diameter air hose and is bent into
Five-hole probe gauge head.
Preferably, it is R1 that five path air pipe diameters are identical, and the diameter of major diameter air hose is R2, wherein R2/R1=3.
Preferably, probe strut is opened up centered on five path air hoses recessed backwards to the end face of large diameter air pipe one end
Slot and potting compound.
Preferably, probe branch rod outer surface indicates scale.
Utility model has the advantages that providing a kind of five holes spy for measuring compressor rotor exit flow angle
Needle, the gauge head of the five-hole probe fill solder using five path air hoses built in major diameter air hose and in major diameter air hose
Method is process, and the gauge head size obtained accordingly is less than the gauge head size of existing five-hole probe, can satisfy compressor rotor
Exit flow angle measures the requirement to gauge head size, is conveniently used for the measurement to compressor rotor exit flow angle.
Detailed description of the invention
Fig. 1 is that the utility model is a kind of for measuring the structural representation of the five-hole probe of compressor rotor exit flow angle
Figure.
Fig. 2 is the A direction view of Fig. 1.
Fig. 3 is the B of Fig. 2 to cross-sectional view.
Specific embodiment
To keep the purposes, technical schemes and advantages of the utility model implementation clearer, below in conjunction with the utility model
Attached drawing in embodiment, is further described in more detail the technical scheme in the embodiment of the utility model.In the accompanying drawings, from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Described reality
Applying example is the utility model a part of the embodiment, instead of all the embodiments.Below with reference to the embodiment of attached drawing description
It is exemplary, it is intended to for explaining the utility model, and should not be understood as limiting the present invention.It is practical new based on this
Embodiment in type, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, fall within the protection scope of the utility model.The embodiments of the present invention are described in detail with reference to the accompanying drawing.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this is practical
The limitation of novel protected range.
1-3 is described in further details the utility model with reference to the accompanying drawing.
The utility model provides the five-hole probe for measuring compressor rotor exit flow angle, comprising:
Large diameter air pipe；
Probe strut 2, front end are fixedly connected with large diameter air pipe one end；And
Five minor diameter air hoses 3, one end sequentially pass through inside probe strut and large diameter air pipe and with major diameter sky
Tracheae port is concordant；
Wherein,
Five minor diameter air hoses 3 are wherein coaxially disposed for one with large diameter air pipe, remaining four in large diameter air
It is uniformly arranged in pipe；
Solder is filled in large diameter air pipe, be shaped to the conical surface with five concordant one end of minor diameter air hose 3 and is bent
At five-hole probe gauge head 1.
Further, five 3 diameters of path air hose are mutually all R1, and the diameter of major diameter air hose is R2, wherein R2/R1=
3, while guaranteeing that five can be used as five-hole probe gas flow conductance path with path air hose 3, make major diameter air hose i.e. five holes
The size of probe 1 is minimum.
Further, probe strut 2 is opened centered on five path air hoses 3 backwards to the end face of large diameter air pipe one end
If groove and potting compound, realizes and the flexibility of five, end path air hose 3 is fixed, prevent it in use due to vibration
It is broken.
Further, 2 outer surface of probe strut indicates scale, can determine whether out accordingly locating for five-hole probe gauge head measuring point
Position height.
The five-hole probe that the utility model is used to measure compressor rotor exit flow angle is made with five path air hoses
For gas flow conductance path, end is stretched out from inside five-hole probe strut connect sensing stream pressure with pressure sensor, at it
It needs to carry out wind tunnel calibration after completing the process, the deflection of each deflection angle is calculated according to the pressure value of five pressure taps when wind tunnel calibration
The pitching ascent of ascent and each pitch angle, and angle-coefficient curve is drawn accordingly.It works off one's feeling vent one's spleen in measurement compressor rotor
When flow angle, five-hole probe gauge head is protruded into runner, indicating scale according to 2 outer surface of probe strut can be read five-hole probe survey
The position of head, while five-hole probe tail portion can be mounted on displacement mechanism, drive five-hole probe to pressure by displacement mechanism
Each position measures after mechanism of qi rotor blade, the angle-coefficient curve finally drawn by the data measured according to calibration test
Calculate the angle of the air-flow after determining compressor rotor blade.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, the change that can be readily occurred in
Change or replace, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with described
Subject to scope of protection of the claims.
Claims (4)
1. a kind of for measuring the five-hole probe of compressor rotor exit flow angle characterized by comprising
Major diameter air hose (1)；
Probe strut (2), front end are fixedly connected with described major diameter air hose (1) one end；
Five path air hoses (3), one end sequentially pass through the internal probe strut (2) and the major diameter air hose (1) and with
Major diameter air hose (1) port is concordant；
Wherein,
Five path air hoses (3) are wherein coaxially disposed for one with the major diameter air hose (1), remaining four described big
Diameter air hose is uniformly arranged in the circumferential direction in (1)；
It is filled with solder in the major diameter air hose (1), is shaped to the conical surface with described five path air hose (3) concordant one end
And it is bent into the five-hole probe gauge head.
2. five-hole probe according to claim 1, which is characterized in that five path air hoses (3) outer diameter it is identical and
For R1, the internal diameter of the major diameter air hose is R2, wherein R2/R1=3.
3. five-hole probe according to claim 1, which is characterized in that the probe strut (2) is backwards to the major diameter air
The end face of pipe one end opens up groove and potting compound centered on five path air hoses (3).
4. five-hole probe according to claim 1, which is characterized in that probe strut (2) outer surface indicates scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820862818.8U CN208297124U (en) | 2018-06-05 | 2018-06-05 | It is a kind of for measuring the five-hole probe of compressor rotor exit flow angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820862818.8U CN208297124U (en) | 2018-06-05 | 2018-06-05 | It is a kind of for measuring the five-hole probe of compressor rotor exit flow angle |
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| Publication Number | Publication Date |
|---|---|
| CN208297124U true CN208297124U (en) | 2018-12-28 |
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| CN201820862818.8U Active CN208297124U (en) | 2018-06-05 | 2018-06-05 | It is a kind of for measuring the five-hole probe of compressor rotor exit flow angle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514391A (en) * | 2019-08-12 | 2019-11-29 | 北京航空航天大学 | A kind of five pore pressure force probes measurement three-dimensional flow field uncertainty evaluation method |
| CN111413004A (en) * | 2020-03-31 | 2020-07-14 | 中国航发湖南动力机械研究所 | Temperature probe and method for measuring temperature of air flow |
-
2018
- 2018-06-05 CN CN201820862818.8U patent/CN208297124U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514391A (en) * | 2019-08-12 | 2019-11-29 | 北京航空航天大学 | A kind of five pore pressure force probes measurement three-dimensional flow field uncertainty evaluation method |
| CN110514391B (en) * | 2019-08-12 | 2020-12-04 | 北京航空航天大学 | Five-hole pressure probe measurement three-dimensional flow field uncertainty evaluation method |
| CN111413004A (en) * | 2020-03-31 | 2020-07-14 | 中国航发湖南动力机械研究所 | Temperature probe and method for measuring temperature of air flow |
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