CN109163905A - Flame Hot Wire Anemomtry system - Google Patents
Flame Hot Wire Anemomtry system Download PDFInfo
- Publication number
- CN109163905A CN109163905A CN201810928417.2A CN201810928417A CN109163905A CN 109163905 A CN109163905 A CN 109163905A CN 201810928417 A CN201810928417 A CN 201810928417A CN 109163905 A CN109163905 A CN 109163905A
- Authority
- CN
- China
- Prior art keywords
- module
- optical signal
- signal
- photomultiplier transit
- flame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The present embodiments relate to a kind of flame Hot Wire Anemomtry systems, comprising: light signal collection module, photomultiplier transit and mould electricity conversion module and burning processing module；Wherein, the light signal collection module, for receiving the optical signal of spontaneous radiation in combustion chamber；The photomultiplier transit and mould electricity conversion module, for the optical signal to be carried out wavelength selection enhanced processing and is converted to corresponding voltage signal；The burning processing module, for voltage signal progress calculation process to be determined flame propagation velocity.It may be implemented to carry out real-time online measuring to indoor flame propagation velocity of burning.
Description
Technical field
The present embodiments relate to aeroengine combustor buring room field of measuring technique more particularly to a kind of flame Hot Wire Anemomtries
System.
Background technique
Aero-engine endogenous fire flame propagation velocity is directly related with engine combustion process and thrust performance.Start in model
In machine development process, there is the problems such as opening up optical window limited space, severe aerothermal load environment and high warm seal,
And it is more difficult at model engine performance test scene to carry out precision optics experiment, engine optic visualization added above
The complexity of experiment and the cooperation of model reseach of engine.
Therefore, integrated level height, the flame speed measuring system applied to model engine environmental need to be developed.
Summary of the invention
The embodiment of the invention provides a kind of flame Hot Wire Anemomtry system, may be implemented to indoor flame propagation speed of burning
Degree carries out real-time online measuring.
In a first aspect, the embodiment of the present invention provides a kind of flame Hot Wire Anemomtry system, comprising:
Light signal collection module, photomultiplier transit and mould electricity conversion module and burning processing module；
Wherein, the light signal collection module, for receiving the optical signal of spontaneous radiation in combustion chamber；
The photomultiplier transit and mould electricity conversion module, for the optical signal to be carried out wavelength selection enhanced processing and is turned
It is changed to corresponding voltage signal；
The burning processing module, for voltage signal progress calculation process to be determined flame propagation velocity.
In a possible embodiment, the light signal collection module by it is integrated axially through optical element
Receive the optical signal of spontaneous radiation in combustion chamber.
In a possible embodiment, the optical element, which has, has closed guidance, high temperature and pressure sealing and optical fiber guarantor
The function of shield.
In a possible embodiment, the light signal collection module is received spontaneous in combustion chamber by laying optical fiber
The optical signal of radiation.
In a possible embodiment, the photomultiplier transit and mould electricity conversion module include:
Photomultiplier transit submodule and A/D transform subblock.
In a possible embodiment, the photomultiplier transit submodule, for the optical signal to be amplified place
Reason；The A/D transform subblock, for amplified optical signal to be converted to corresponding voltage signal.
In a possible embodiment, the burning processing module, specifically for transporting the voltage signal
Calculation handles to obtain one-dimensional or two-dimentional flame propagation velocity.
In a possible embodiment, the system, further includes:
Calculation matrix module determines the space distribution information of flame propagation velocity for the optical signal according to acquisition.
Flame Hot Wire Anemomtry system provided in an embodiment of the present invention is received spontaneous in combustion chamber by light signal collection module
Optical signal is carried out wavelength selection enhanced processing by photomultiplier transit and mould electricity conversion module and is converted to by the optical signal of radiation
Voltage signal progress calculation process is determined flame propagation velocity by burning processing module by corresponding voltage signal, can
Real-time online measuring is carried out to indoor flame propagation velocity of burning to realize.
Detailed description of the invention
Fig. 1 is a kind of flame Hot Wire Anemomtry system structure diagram provided in an embodiment of the present invention；
Fig. 2 be the present embodiments relate to one-dimensional flame hot line；
Fig. 3 be the present embodiments relate to two-dimentional flame hot line.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In order to facilitate understanding of embodiments of the present invention, it is further explained below in conjunction with attached drawing with specific embodiment
Bright, embodiment does not constitute the restriction to the embodiment of the present invention.
Fig. 1 is a kind of flame Hot Wire Anemomtry system structure diagram provided in an embodiment of the present invention, as shown in Figure 1, this is
System includes:
Light signal collection module 101, photomultiplier transit and mould electricity conversion module 102 and burning processing module 103；
Wherein, the light signal collection module 101, for receiving the optical signal of spontaneous radiation in combustion chamber；
The photomultiplier transit and mould electricity conversion module 102, for by the optical signal carry out wavelength selection enhanced processing with
And be converted to corresponding voltage signal；
The burning processing module 103, for voltage signal progress calculation process to be determined flame propagation velocity.
Optionally, the light signal collection module 101 by it is integrated axially through optical element receive in combustion chamber
The optical signal of spontaneous radiation.
Optionally, the optical element has the function of having closed guidance, high temperature and pressure sealing and fiber optic protection.
Optionally, the light signal collection module receives the optical signal of spontaneous radiation in combustion chamber by laying optical fiber.
Optionally, the photomultiplier transit and mould electricity conversion module 102 include:
Photomultiplier transit submodule 1021 and A/D transform subblock 1022.
Optionally, the photomultiplier transit submodule, for the optical signal to be amplified processing；A/D conversion
Module, for amplified optical signal to be converted to corresponding voltage signal.
Optionally, the burning processing module, specifically for by the voltage signal progress calculation process obtain it is one-dimensional or
Two-dimentional flame propagation velocity.
Optionally, the system, further includes: calculation matrix module (not shown in figure 1), for the optical signal according to acquisition
Determine the space distribution information of flame propagation velocity.
In the present embodiment, flame Hot Wire Anemomtry system can be divided into one-dimensional or two-dimentional two according to the laying mode of optical element
Kind of velocity-measuring system, wherein one-dimensional measurement system by by flame combustion chemiluminescence intensity and optical element installation position into
Row weighting, defines flame central position, and obtain flame propagation velocity quantitative information；Two-dimensional measurement system is by two groups orthogonal one
Maintain system composition.Integration module is installed on combustion chamber end face.Three can be carried out by one-dimensional, two-dimentional flame hot line stroke measurment matrix
Tie up flame speed measurement.The flame speed measurement of different spatial resolutions by adjusting spacing is laid, can be realized simultaneously.
The flame propagation velocity signal that the application is got can be used for dynamic flame road in quantitative resolution engine combustion room
Diameter and concussion characteristic.
Flame Hot Wire Anemomtry system provided in an embodiment of the present invention is received spontaneous in combustion chamber by light signal collection module
Optical signal is carried out wavelength selection enhanced processing by photomultiplier transit and mould electricity conversion module and is converted to by the optical signal of radiation
Voltage signal progress calculation process is determined flame propagation velocity by burning processing module by corresponding voltage signal, can
Real-time online measuring is carried out to indoor flame propagation velocity of burning to realize.
Professional should further appreciate that, described in conjunction with the examples disclosed in the embodiments of the present disclosure
Unit and algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, hard in order to clearly demonstrate
The interchangeability of part and software generally describes each exemplary composition and step according to function in the above description.
These functions are implemented in hardware or software actually, the specific application and design constraint depending on technical solution.
Professional technician can use different methods to achieve the described function each specific application, but this realization
It should not be considered as beyond the scope of the present invention.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (8)
1. a kind of flame Hot Wire Anemomtry system characterized by comprising
Light signal collection module, photomultiplier transit and mould electricity conversion module and burning processing module；
Wherein, the light signal collection module, for receiving the optical signal of spontaneous radiation in combustion chamber；
The photomultiplier transit and mould electricity conversion module, for the optical signal to be carried out wavelength selection enhanced processing and is converted to
Corresponding voltage signal；
The burning processing module, for voltage signal progress calculation process to be determined flame propagation velocity.
2. system according to claim 1, which is characterized in that the light signal collection module by it is integrated axially through
Optical element receive combustion chamber in spontaneous radiation optical signal.
3. system according to claim 2, which is characterized in that the optical element has that have closed guidance, high temperature and pressure close
The function of envelope and fiber optic protection.
4. system according to claim 1 or 2, which is characterized in that the light signal collection module is connect by laying optical fiber
Receive the optical signal of spontaneous radiation in combustion chamber.
5. system according to claim 1, which is characterized in that the photomultiplier transit and mould electricity conversion module include:
Photomultiplier transit submodule and A/D transform subblock.
6. system according to claim 5, which is characterized in that the photomultiplier transit submodule is used for the optical signal
Amplify processing；The A/D transform subblock, for amplified optical signal to be converted to corresponding voltage signal.
7. system according to claim 5 or 6, which is characterized in that the burning processing module is specifically used for the electricity
Pressure signal carries out calculation process and obtains one-dimensional or two-dimentional flame propagation velocity.
8. system according to claim 1, which is characterized in that the system, further includes:
Calculation matrix module determines the space distribution information of flame propagation velocity for the optical signal according to acquisition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810928417.2A CN109163905B (en) | 2018-08-15 | 2018-08-15 | Flame hot wire speed measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810928417.2A CN109163905B (en) | 2018-08-15 | 2018-08-15 | Flame hot wire speed measuring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109163905A true CN109163905A (en) | 2019-01-08 |
| CN109163905B CN109163905B (en) | 2020-04-21 |
Family
ID=64895761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810928417.2A Active CN109163905B (en) | 2018-08-15 | 2018-08-15 | Flame hot wire speed measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109163905B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339839A (en) * | 2021-06-09 | 2021-09-03 | 南京法尔银科技有限公司 | Fire detection data processing system and method |
| CN113532870A (en) * | 2021-08-11 | 2021-10-22 | 中国科学院力学研究所 | Online identification system for working mode of engine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH063272A (en) * | 1992-04-23 | 1994-01-11 | Hitachi Ltd | Method and device for measuring metal component in combustion gas |
| CN102288560A (en) * | 2011-07-01 | 2011-12-21 | 刘星 | Fiber-Bragg-grating-based combustion speed rate detector for combustible solid |
| EP2642205A2 (en) * | 2012-03-23 | 2013-09-25 | Rosemount Aerospace Inc. | Apparatus, system and method for observing combustor flames in a gas turbine engine |
| CN105606839A (en) * | 2015-12-16 | 2016-05-25 | 上海理工大学 | Flame radiation-based combustion particle movement speed measurement device and method |
| CN106338616A (en) * | 2016-08-02 | 2017-01-18 | 南京理工大学 | Optical fiber array spatial filtering velocity measurement system |
-
2018
- 2018-08-15 CN CN201810928417.2A patent/CN109163905B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH063272A (en) * | 1992-04-23 | 1994-01-11 | Hitachi Ltd | Method and device for measuring metal component in combustion gas |
| CN102288560A (en) * | 2011-07-01 | 2011-12-21 | 刘星 | Fiber-Bragg-grating-based combustion speed rate detector for combustible solid |
| EP2642205A2 (en) * | 2012-03-23 | 2013-09-25 | Rosemount Aerospace Inc. | Apparatus, system and method for observing combustor flames in a gas turbine engine |
| CN105606839A (en) * | 2015-12-16 | 2016-05-25 | 上海理工大学 | Flame radiation-based combustion particle movement speed measurement device and method |
| CN106338616A (en) * | 2016-08-02 | 2017-01-18 | 南京理工大学 | Optical fiber array spatial filtering velocity measurement system |
Non-Patent Citations (2)
| Title |
|---|
| 万明罡: "火焰化学发光三维重建方法的研究", 《中国优秀硕士学位论文全文数据库 工程科技II辑》 * |
| 徐雁 等: "非对称火焰三维温度分布测量的重构算法", 《清华大学学报（自然科学版）》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339839A (en) * | 2021-06-09 | 2021-09-03 | 南京法尔银科技有限公司 | Fire detection data processing system and method |
| CN113532870A (en) * | 2021-08-11 | 2021-10-22 | 中国科学院力学研究所 | Online identification system for working mode of engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109163905B (en) | 2020-04-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Peterson et al. | Early flame propagation in a spark-ignition engine measured with quasi 4D-diagnostics | |
| CN101943549B (en) | All-weather speed-measuring sky screen target | |
| CN105044704B (en) | The spaceborne laser transmitter integrated test system for performance of high accuracy | |
| CN106371202B (en) | For long emergent pupil without burnt off-axis two anti-telescopic system solid debugging device and Method of Adjustment | |
| CN109163905A (en) | Flame Hot Wire Anemomtry system | |
| CN106372268B (en) | REAL TIME INFRARED THERMAL IMAGE emulation mode based on thermal model | |
| CN104007088B (en) | The measuring method of back scattering laser radar geometric factor | |
| CN104864977B (en) | A kind of rocket engine fuel gas temperature method of testing for considering multi-wavelength spectrum radiation | |
| CN203479497U (en) | Stray light coefficient and point source transmittance composite test system | |
| Chen et al. | The experimental study about laser-induced dizziness effect of medium-wave infrared seeker which based on image processing | |
| CN208255404U (en) | Focal plane based on optical fibre coupled detector array receives system | |
| CN104155660B (en) | The device and method that direct detection Doppler lidar for wind measurement is affected by a kind of dual wavelength adaptive optics correction wavefront distortion | |
| CN104714221A (en) | Compression method for dynamic range of echo energy of laser radar system | |
| CN110132144B (en) | A kind of dimension of object measurement method and system | |
| Herbst | Development and test of a UV lidar receiver for the measurement of wind velocities aiming at the near-range characterization of wake vortices and gusts in clear air | |
| CN112487672B (en) | Micro-vibration integrated simulation analysis method for optical remote sensing camera | |
| CN109115693B (en) | Open optical path atmospheric state remote measuring method and system based on reflector | |
| Ukai et al. | Flexibility and versatility enhancements due to a portable optical system for the Background-Oriented Schlieren techniques | |
| CN108020173B (en) | Surface shape measurement device and method based on Structured Illumination | |
| CN201269803Y (en) | Laser bar positive thermal lens focal length measuring device | |
| CN106767965B (en) | A kind of multiple physical field measuring system based on fiber grating and infrared double-sensing technology | |
| Maksymonko et al. | Characterization of diurnal and environmental effects on mines and the factors influencing the performance of mine detection ATR algorithms | |
| CN111175029A (en) | Target calibration instrument and aircraft target calibration method | |
| Grishkanich et al. | Features of creation of highly accurate models of triumphal pylons for archaeological reconstruction | |
| Min et al. | Pattern-projected schlieren imaging method using a diffractive optics element |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |