CN104777000B - The whole machine test bay dynamic calibration method of turboshaft engine - Google Patents
The whole machine test bay dynamic calibration method of turboshaft engine Download PDFInfo
- Publication number
- CN104777000B CN104777000B CN201510218805.8A CN201510218805A CN104777000B CN 104777000 B CN104777000 B CN 104777000B CN 201510218805 A CN201510218805 A CN 201510218805A CN 104777000 B CN104777000 B CN 104777000B
- Authority
- CN
- China
- Prior art keywords
- engine
- test
- time
- stability
- data
- 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.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 150
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000007689 inspection Methods 0.000 claims abstract description 29
- 238000004458 analytical method Methods 0.000 claims abstract description 18
- 239000000523 sample Substances 0.000 claims abstract description 16
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 238000011056 performance test Methods 0.000 claims abstract description 5
- 238000002474 experimental method Methods 0.000 claims description 22
- 230000003068 static effect Effects 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 4
- 241001269238 Data Species 0.000 claims description 2
- 230000008450 motivation Effects 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000004153 renaturation Methods 0.000 claims 1
- 230000006870 function Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000013139 quantization Methods 0.000 description 2
- 238000013097 stability assessment Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010223 real-time analysis Methods 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Landscapes
- Testing Of Engines (AREA)
Abstract
The invention discloses a kind of whole machine test bay dynamic calibration method of turboshaft engine, comprise the following steps：Step one, test bay stability inspection is carried out, test bay is adjusted in time by analyzing test data；Step 2, carries out temperature homogeneity inspection, by uniformly laying temperature probe at engine charge position, engine is adjusted in time by analysis temperature data；Step 3, iterative testing is carried out, first performance test is carried out to engine and Repeatability is tested, test value of the engine in each state point is obtained, the test value that each Repeatability is tested is compared the repeated difference of acquisition, and engine is adjusted in time by repeated difference；Step 4, carries out intercrossed calibration inspection, and engine is respectively placed in into reference test platform and testing stand to be calibrated carries out intercrossed calibration inspection, engine is adjusted in time by the intercrossed calibration difference data of acquisition.Test bay stability and measurement accuracy are significantly improved, strict airworthiness requirement can be applied to.
Description
Technical field
The present invention relates to turboshaft engine ground Jiao Jian fields, especially, it is related to a kind of whole machine test bay of turboshaft engine
Dynamic calibration method.
Background technology
Aircraft is in flight course if the problem of engine breakdown will cause extremely serious, in some instances it may even be possible to fall
Machine.Therefore aircraft engine will disassemble factory's maintenance of going forward side by side after a certain period of use time, sink or swim；Complete maintenance
Test cabinet is sent into after maintenance and does global function test, test passes could hang up aircraft utilization again.So go round and begin again, until starting
Machine service life stops.And test the ground installation referred to as engine testsand of aircraft engine.
At present, it is general to test bay dynamic calibration in the turboshaft engine test bay building-up work of turboshaft engine
Only qualitatively require, without specific method, flow, the contents of a project and quantitative criteria, also without any steady for test bay
Determine the method for condition discrimination and stability assessment, differentiate more by conventional experiment experience or with the time of steady operation, try
The dynamic calibration work of ride rests on the basic function demand that meets, meets the levels such as associated safety management, from strict seaworthiness
It is required that also have a certain distance, easily produce a series of use problem, for aircraft normal operation bring it is uncertain because
Element.
The content of the invention
The invention provides a kind of whole machine test bay dynamic calibration method of turboshaft engine, to solve existing turboshaft engine
Test bay is typically only qualitatively required test bay dynamic calibration, without specific method, flow, the contents of a project and quantization mark
Standard, also without any method for being directed to the differentiation of test bay stable state and stability assessment, easily produces a series of use and asks
Topic, the normal operation for aircraft brings the technical problem of uncertain factor.
According to an aspect of the present invention there is provided a kind of whole machine test bay dynamic calibration method of turboshaft engine, including with
Lower step：Step one, test bay stability inspection is carried out, test bay is adjusted in time by analyzing test data, so that
Test bay stability is set to reach pre-provisioning request；Step 2, carries out temperature homogeneity inspection, by uniform at engine charge position
Temperature probe is laid, engine is adjusted in time by analysis temperature data, so as to ensure the steady of engine charge flow field
It is qualitative；Step 3, carries out iterative testing, and first performance test is carried out to engine and Repeatability is tested, acquisition is started
Machine is in the test value of each state point, and the test value that each Repeatability is tested, which is compared, obtains repeated difference, passes through
Repeated difference adjusts engine in time, so that repeated difference reaches predetermined error criterion；Step 4, carries out intersection school
Standard is checked, engine is respectively placed in into reference test platform and testing stand to be calibrated carries out intercrossed calibration inspection, passes through acquisition
Intercrossed calibration difference data adjusts engine in time so that intercrossed calibration difference reaches predetermined error criterion.
Further, the test bay stability inspection in step one is entered simultaneously with the temperature homogeneity inspection in step 2
OK.
Further, in step one, the foundation that special parameter checks analysis judgement in real time as test bay stability is chosen.
Further, selected special parameter includes：Gasifier speed, fuel mass flow, fuel pressure, combustion
At least one in air turbine outlet temperature, engine intake static pressure, blower outlet static pressure, power turbine rotating speed, moment of torsion.
Further, the judgement of stable state is carried out according to the special parameter chosen, by 40 average principles, every 40 points
Value Data is as one group of data and averages, and by gathering multigroup average data, the data wave of special parameter is chosen in analysis
Whether emotionally condition, real-time judge current test state is stablized；If the real-time fluctuations situation of selected special parameter is in pre-
In fixed fluctuation range, then illustrate that state has been stablized, subsequent examination can be carried out；If the real-time ripple of selected special parameter
Emotionally condition is in outside fluctuation range, then requires to look up reason, and analysis is out of order side by side, until the reality of selected special parameter
Shi Bodong situations are in predetermined fluctuation range.
Further, after judging that state is stablized, test bay stability inspection is carried out, engine speed is pushed away from idling rating
To design load, keep test bay all appts equipment constant, and adjustment control apparatus state is constant, during one section of first stable operation
Between, a cell mean data then were recorded every one minute, continue 15 minutes, 16 groups of data are recorded altogether；From ten after experiment
It is any in six groups of data to choose wherein continuous ten groups data progress analysis judgements；If the fluctuation for the several special parameters chosen
Within the limits prescribed, then test bay stability is up to standard for situation；If any one special parameter exceeds predetermined fluctuation range,
Then require to look up reason and take regulating measures, pass through a series of experiment-data analysis-rectification-test-analyze again again-again
Adjustment, makes test bay stability reach requirement.
Further, the air inlet stable and uniform in step 2 is checked, by being evenly arranged on engine charge guard
Branched temperature probe, records and analyzes each temperature probe measurement point intake air temperature, compares the maximum and minimum of intake air temperature
Whether the difference between value meets engine model standard；If the difference between the maxima and minima of intake air temperature meets
Engine model standard, it is determined that tend towards stability in engine charge flow field；If between the maxima and minima of intake air temperature
Difference do not meet engine model standard, then require to look up reason and take regulating measures, pass through a series of experiment-data
Analysis-rectification-is tested-analyzing again-and adjusted again again, engine charge flow field is tended towards stability.
Further, temperature probe being circumferentially arranged along engine intake.
Further, in step 3, Repeatability experiment is carried out after Initial Service Test stops two hours；Respectively first
In beginning performance test and Repeatability experiment, each predetermined state point will be shifted onto simultaneously on same engine according to experiment collection of illustrative plates
Certain time is stopped, the canonical parameter test value of each state point is recorded, and draws curve, by adjusting engine in time, is made
The repeated difference of acquisition is less than or equal to predetermined error criterion；The canonical parameter of each state point includes thrust, accentuated push
At least one in power, thrust-weight ratio, by-pass ratio.
Further, the intercrossed calibration inspection in step 4, respectively in reference test platform and testing stand to be calibrated, according to examination
Each predetermined state point will be shifted onto and stops certain time by testing collection of illustrative plates on same engine, record the test of canonical parameter
Value, and curve is drawn, by adjusting engine in time, the intercrossed calibration difference of acquisition is less than or equal to predetermined error mark
It is accurate.
The invention has the advantages that：
Brand-new method is provided to the whole machine test bay dynamic calibration in turboshaft engine ground, sentenced by ride stable state
Other and stability inspection, intake air temperature Homogeneity and intercrossed calibration flow, significantly improve test bay stability and measurement essence
Degree, lifts engine overall test level, can be applied to strict airworthiness requirement.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is further detailed explanation.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structured flowchart of the whole machine test bay dynamic calibration method of turboshaft engine of the preferred embodiment of the present invention.
Embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing, but the present invention can be by limiting and covering
Multitude of different ways implement.
Fig. 1 is the structured flowchart of the whole machine test bay dynamic calibration method of turboshaft engine of the preferred embodiment of the present invention.Such as
Shown in Fig. 1, the whole machine test bay dynamic calibration method of turboshaft engine of the present embodiment comprises the following steps：Step one, tried
Ride stability check, test bay is adjusted in time by analyzing test data so that test bay stability reach it is pre-
Provisioning request；Step 2, carries out temperature homogeneity inspection, by uniformly laying temperature probe at engine charge position, by dividing
Eutectoid temperature data are adjusted to engine in time, so as to ensure the stability in engine charge flow field；Step 3, is repeated
Property check, first performance test is carried out to engine and Repeatability is tested, test of the engine in each state point is obtained
Value, the test value that each Repeatability is tested is compared the repeated difference of acquisition, and hair is adjusted in time by repeated difference
Motivation, so that repeated difference reaches predetermined error criterion；Step 4, carries out intercrossed calibration inspection, engine is distinguished
It is positioned over reference test platform and testing stand to be calibrated carries out intercrossed calibration inspection, it is timely by the intercrossed calibration difference data of acquisition
Adjust engine so that intercrossed calibration difference reaches predetermined error criterion.The present invention is to the whole machine test run in turboshaft engine ground
Platform dynamic calibration provides brand-new method, is differentiated by ride stable state and stability inspection, the inspection of intake air temperature uniformity
Look into intercrossed calibration flow, significantly improve test bay stability and measurement accuracy, lift engine overall test level, Neng Goushi
For strict airworthiness requirement.Propose turboshaft engine the whole machine test bay dynamic calibration method in ground, flow, the contents of a project and
Quantitative criteria, is reduced because of the difference of test bay appointed condition, experimental enviroment, influence engine test data distortion, result of the test
Deviate etc..Simultaneously to promote the whole machine test bay stability of turboshaft engine and measurement accuracy construction to provide technical support, whirlpool is lifted
Shaft generator overall test level.
As shown in figure 1, in the present embodiment, the test bay stability in step one is checked and the temperature homogeneity in step 2
Check and carry out simultaneously.
As shown in figure 1, in the present embodiment, in step one, choosing special parameter and checking real-time point as test bay stability
Analyse the foundation judged.
As shown in figure 1, in the present embodiment, selected special parameter includes：Gasifier speed, fuel oil quality stream
Amount, fuel pressure, gas turbine outlet temperature, engine intake static pressure, blower outlet static pressure, power turbine rotating speed, moment of torsion
In at least one.
As shown in figure 1, in the present embodiment, the judgement of stable state is carried out according to the special parameter chosen, it is average by 40 points
Principle, every 40 Value Datas are as one group of data and average, and by gathering multigroup average data, analysis is chosen specific
Whether the data fluctuations situation of parameter, real-time judge current test state is stablized；If the real-time ripple of selected special parameter
Emotionally condition is in predetermined fluctuation range, then illustrates that state has been stablized, can carry out subsequent examination；If selected is specific
The real-time fluctuations situation of parameter is in outside fluctuation range, then requires to look up reason, and analysis is out of order side by side, until selected
The real-time fluctuations situation of special parameter is in predetermined fluctuation range.
As shown in figure 1, in the present embodiment, after judging that state is stablized, carrying out test bay stability inspection, engine speed
Design load is pushed into from idling rating, keeps test bay all appts equipment constant, and adjustment control apparatus state is constant, it is first steady
Fixed operation a period of time, a cell mean data then were recorded every one minute, continue 15 minutes, 16 groups of numbers are recorded altogether
According to；It is any from 16 groups of data after experiment to choose wherein continuous ten groups data progress analysis judgements；If that chooses is several
Within the limits prescribed, then test bay stability is up to standard for the fluctuation situation of special parameter；If any one special parameter exceeds
Predetermined fluctuation range, then require to look up reason and take regulating measures, by a series of experiment-data analysis-rectification-again
Experiment-analyzing again-is adjusted again, test bay stability is reached requirement.
As shown in figure 1, in the present embodiment, the air inlet stable and uniform in step 2 is checked, by engine charge net
Branched temperature probe is evenly arranged on cover, records and analyzes each temperature probe measurement point intake air temperature, compare intake air temperature
Whether the difference between maxima and minima meets engine model standard；If the maxima and minima of intake air temperature it
Between difference meet engine model standard, it is determined that tend towards stability in engine charge flow field；If the maximum of intake air temperature
Difference between minimum value does not meet engine model standard, then requires to look up reason and take regulating measures, be by one
Experiment-data analysis-rectification-of row is tested-analyzing again-and adjusted again again, engine charge flow field is tended towards stability.
As shown in figure 1, in the present embodiment, temperature probe is circumferentially arranged along engine intake.
As shown in figure 1, in the present embodiment, in step 3, Repeatability experiment is after Initial Service Test stops two hours
Carry out；Respectively in Initial Service Test and Repeatability experiment, it will be shifted onto according to experiment collection of illustrative plates on same engine predetermined
Each state point and stop certain time, the canonical parameter test value of each state point is recorded, and draw curve, by timely
Engine is adjusted, the repeated difference of acquisition is less than or equal to predetermined error criterion；The canonical parameter bag of each state point
Include at least one in thrust, reinforcing thrust, thrust-weight ratio, by-pass ratio.
As shown in figure 1, in the present embodiment, the intercrossed calibration inspection in step 4, respectively in reference test platform and to be calibrated
Testing stand, will shift each predetermined state point onto according to experiment collection of illustrative plates and stops certain time, record allusion quotation on same engine
The test value of shape parameter, and curve is drawn, by adjusting engine in time, the intercrossed calibration difference of acquisition is less than or equal in advance
Fixed error criterion.
During implementation, include test bay stability there is provided one kind for the whole machine test bay dynamic calibration in turboshaft engine ground
Calibration method, flow, the contents of a project and quantization that inspection, intake air temperature Homogeneity, iterative testing, intercrossed calibration are checked
Standard.Comprise the following steps：
Step one：Stability is checked.Whether test bay Data Acquisition ＆ Processing Software creates real-time judge current test state
Stable function program, chooses important parameter value and carries out analysis judgement as the sample of real-time fluctuations situation, by a series of
Experiment->Data analysis->Rectification->Test again->Analyze again->Circulation is adjusted again, reaches ride stability defined
Standard；
Step 2：Intake air temperature Homogeneity.This step combines test bay stability and checks progress simultaneously, in engine
Branched temperature probe is evenly arranged on air inlet guard, the stability to determine engine charge flow field；
Step 3：Iterative testing., will be same according to experiment collection of illustrative plates respectively in Initial Service Test and Repeatability experiment
Each state point as defined in being shifted onto on one engine stops certain time, records the test value of canonical parameter, and draws curve,
Repeated difference should be less than or equal to defined error criterion；
Step 4：Intercrossed calibration is checked., will be same according to experiment collection of illustrative plates respectively in reference test platform and testing stand to be calibrated
Each state point stops certain time as defined in being shifted onto on platform engine, records the test value of canonical parameter, and draws curve, hands over
Fork calibration difference should be less than or equal to defined error criterion；
By above step and method, machine test bay whole to turboshaft engine carries out dynamic calibration.
The present invention provides specific a kind of for the whole machine test bay dynamic calibration method in turboshaft engine ground, flow, project
Content and quantitative criteria, to meet engine under the conditions of different test bays, different experimental enviroments, engine test performance number
It is undistorted and deviate according to, test result.
(1), test bay stability is checked
1., the judgement of stable state
Test bay Data Acquisition ＆ Processing Software creates the program whether real-time judge current test state is stablized.Including following
Step：
(a) important parameter is chosen as real-time analysis basis for estimation, and important parameter is generally comprised：Gasifier speed,
Fuel mass flow, fuel pressure, gas turbine outlet temperature, engine intake static pressure, blower outlet static pressure, power turbine
Rotating speed, moment of torsion etc.；
(b) the fluctuation situation of the data of 40 average principle collection analysis important parameters, real-time judge current test shape are pressed
Whether state is stablized；
If (c) the real-time fluctuations situation of selected several parameters is in defined fluctuation range, illustrate state
It is stable, you can to carry out test bay stability inspection.If, it is necessary to search reason outside fluctuation range, analyzing troubleshooting.
2., test bay stability is checked
Test bay stability checks that program is as follows：Engine speed is pushed into design load from idling rating, keeps test bay
All instrument and equipments are constant, and especially adjustment control apparatus state is constant, after first stable operation for a period of time, then every
1min records one group of data (40 average value), continues 15min, 16 groups of data are recorded altogether；Appoint after experiment from this 16 groups of data
Meaning chooses wherein continuous 10 groups of data and carries out analysis judgement, if the fluctuation situation for the several important parameters chosen is in defined model
In enclosing, then ride stability is up to standard, if any one parameter exceeds defined fluctuation range, is required for searching reason and takes
Measure.Pass through a series of experiment->Data analysis->Rectification->Test again->Analyze again->Adjust again, make ride stable
Property reaches requirement.
(2), intake air temperature Homogeneity
Intake air temperature Homogeneity combination test bay stability test is carried out simultaneously, uniform on engine charge guard
Branched temperature probe is arranged, probe location is along the circumferential direction arranged, record and analysis measurement point intake air temperature, compare its maximum
Whether difference meets relevant criterion between minimum value, to determine the stability in engine charge flow field.
(3), iterative testing
Repeatability experiment is carried out after Initial Service Test stops 2 hours, respectively in Initial Service Test and repeatability
In testing, each state point according to as defined in experiment collection of illustrative plates will be shifted onto on same engine stops certain time, records allusion quotation
The test value of shape parameter, and curve is drawn, repeated difference should be less than or equal to defined error criterion.
(4), intercrossed calibration inspection
Respectively in reference test platform and testing stand to be calibrated, according to as defined in experiment collection of illustrative plates will be shifted onto on same engine
Each state point stops certain time, records the test value of canonical parameter, and draws curve, and intercrossed calibration difference should be less than or wait
In defined error criterion.
By above step and method, machine test bay whole to turboshaft engine ground carries out dynamic calibration.
The present invention provides brand-new method to the whole machine test bay dynamic calibration in turboshaft engine ground, stable by ride
Condition discrimination and stability inspection, intake air temperature Homogeneity etc. calibrate flow, significantly improve test bay stability and measurement
Precision, lifts engine overall test level.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (7)
1. a kind of whole machine test bay dynamic calibration method of turboshaft engine, it is characterised in that comprise the following steps：
Step one, test bay stability inspection is carried out, test bay is adjusted in time by analyzing test data, so that examination
Ride stability reaches pre-provisioning request；
Step 2, carries out temperature homogeneity inspection, by uniformly laying temperature probe at engine charge position, by analyzing temperature
Degrees of data is adjusted to engine in time, so as to ensure the stability in engine charge flow field；
Test bay stability in the step one is checked to be carried out simultaneously with the temperature homogeneity inspection in the step 2；
Step 3, carries out iterative testing, and first performance test is carried out to engine and Repeatability is tested, engine is obtained
In the test value of each state point, the test value that each Repeatability is tested is compared the repeated difference of acquisition, passes through weight
Renaturation difference adjusts engine in time, so that repeated difference reaches predetermined error criterion；
In the step 3, Repeatability experiment is carried out after Initial Service Test stops two hours；
Respectively in Initial Service Test and Repeatability experiment, it will be shifted onto according to experiment collection of illustrative plates on same engine predetermined
Each state point is simultaneously stopped certain time, records the canonical parameter test value of each state point, and draws curve, by adjusting in time
Haircut motivation, the repeated difference of acquisition is less than or equal to predetermined error criterion；
The canonical parameter of each state point includes at least one in thrust, reinforcing thrust, thrust-weight ratio, by-pass ratio；
Step 4, carries out intercrossed calibration inspection, engine is respectively placed in into reference test platform and testing stand to be calibrated is handed over
Fork calibration is checked, adjusts engine in time by the intercrossed calibration difference data of acquisition so that intercrossed calibration difference reaches predetermined
Error criterion；
Intercrossed calibration inspection in the step 4, will according to experiment collection of illustrative plates respectively in reference test platform and testing stand to be calibrated
Shift each predetermined state point on same engine onto and stop certain time, record the test value of canonical parameter, and draw
Curve, by adjusting engine in time, makes the intercrossed calibration difference of acquisition be less than or equal to predetermined error criterion.
2. the whole machine test bay dynamic calibration method of turboshaft engine according to claim 1, it is characterised in that
In the step one, the foundation that special parameter checks analysis judgement in real time as test bay stability is chosen.
3. the whole machine test bay dynamic calibration method of turboshaft engine according to claim 2, it is characterised in that
The selected special parameter includes：Gasifier speed, fuel mass flow, fuel pressure, gas turbine go out
At least one in mouthful temperature, engine intake static pressure, blower outlet static pressure, power turbine rotating speed, moment of torsion.
4. the whole machine test bay dynamic calibration method of turboshaft engine according to claim 2, it is characterised in that
The judgement of stable state is carried out according to the special parameter chosen, by 40 average principles, every 40 Value Datas are used as one
Group data are simultaneously averaged, and by gathering multigroup average data, analysis is chosen the data fluctuations situation of special parameter, sentenced in real time
Whether disconnected current test state is stablized；
If the real-time fluctuations situation of selected special parameter is in predetermined fluctuation range, illustrate that state has been stablized,
Subsequent examination can be carried out；
If the real-time fluctuations situation of selected special parameter is in outside fluctuation range, reason is required to look up, analysis is simultaneously
Failure is discharged, until the real-time fluctuations situation of selected special parameter is in predetermined fluctuation range.
5. the whole machine test bay dynamic calibration method of turboshaft engine according to claim 4, it is characterised in that
After judgement state is stablized, test bay stability inspection is carried out, engine speed is pushed into design load from idling rating, kept
Test bay all appts equipment is constant, and adjustment control apparatus state is constant, first stable operation for a period of time, then every one
Minute one cell mean data of record, continue 15 minutes, 16 groups of data are recorded altogether；It is any from 16 groups of data after experiment
Choose wherein continuous ten groups data and carry out analysis judgement；
If the fluctuation situation for the several special parameters chosen is within the limits prescribed, test bay stability is up to standard；
If any one special parameter exceeds predetermined fluctuation range, require to look up reason and take regulating measures, pass through
A series of experiment-data analysis-rectification-is tested-analyzing again-and adjusted again again, test bay stability is reached requirement.
6. the whole machine test bay dynamic calibration method of turboshaft engine according to claim 1, it is characterised in that
Air inlet stable and uniform in the step 2 is checked, is visited by being evenly arranged branched temperature on engine charge guard
Pin, records and analyzes each temperature probe measurement point intake air temperature, compare the difference between the maxima and minima of intake air temperature
Whether value meets engine model standard；
If the difference between the maxima and minima of intake air temperature meets engine model standard, it is determined that engine charge
Tend towards stability in flow field；
If the difference between the maxima and minima of intake air temperature does not meet engine model standard, reason is required to look up
And regulating measures are taken, pass through a series of experiment-data analysis-rectification-and test-analyzing again-again and adjust again, enter engine
Airflow field tends towards stability.
7. the whole machine test bay dynamic calibration method of turboshaft engine according to claim 6, it is characterised in that
The temperature probe is circumferentially arranged along engine intake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510218805.8A CN104777000B (en) | 2015-05-04 | 2015-05-04 | The whole machine test bay dynamic calibration method of turboshaft engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510218805.8A CN104777000B (en) | 2015-05-04 | 2015-05-04 | The whole machine test bay dynamic calibration method of turboshaft engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104777000A CN104777000A (en) | 2015-07-15 |
| CN104777000B true CN104777000B (en) | 2017-07-18 |
Family
ID=53618609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510218805.8A Active CN104777000B (en) | 2015-05-04 | 2015-05-04 | The whole machine test bay dynamic calibration method of turboshaft engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104777000B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106406293B (en) * | 2016-11-24 | 2019-03-05 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of engine controller automatic calibrating method |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486511B (en) * | 2015-12-30 | 2018-01-16 | 北京航天三发高科技有限公司 | A kind of adjustment method of test bay state parameter |
| CN105738115B (en) * | 2016-02-29 | 2018-05-29 | 西安航空动力股份有限公司 | A kind of engine bleeder valve tappet dynamic vibration stress measurement of comparison method |
| CN108168892A (en) * | 2017-11-29 | 2018-06-15 | 中国航发沈阳黎明航空发动机有限责任公司 | Test bay thrust modification method in a kind of aero-engine room |
| CN108152040B (en) * | 2017-12-14 | 2021-03-12 | 中国航发沈阳发动机研究所 | Method for calibrating flow of air pipeline of aircraft engine |
| CN110895202B (en) * | 2018-09-12 | 2021-10-29 | 北京振兴计量测试研究所 | Test device for researching influence of environmental factors on flow measurement |
| CN113761719B (en) * | 2021-08-16 | 2024-01-23 | 中国航发湖南动力机械研究所 | Method, system, equipment and storage medium for automatically controlling T45 temperature of turboshaft engine in ground test |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06109595A (en) * | 1992-09-22 | 1994-04-19 | Mitsubishi Motors Corp | Apparatus for trial run of engine |
| JPH11311590A (en) * | 1998-04-30 | 1999-11-09 | Mitsubishi Heavy Ind Ltd | Exhaust gas pressure adjusting device |
| CN102023096A (en) * | 2010-11-15 | 2011-04-20 | 北京航空航天大学 | Internal-flow high-altitude simulation test device and test method of aviation piston engine |
| CN102393305A (en) * | 2011-10-28 | 2012-03-28 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for calibrating pushing force of trial run table inside engine room |
| CN103674552A (en) * | 2013-12-13 | 2014-03-26 | 中国燃气涡轮研究院 | Aero-engine test bed trust loading and calibrating system and automatic control method |
-
2015
- 2015-05-04 CN CN201510218805.8A patent/CN104777000B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06109595A (en) * | 1992-09-22 | 1994-04-19 | Mitsubishi Motors Corp | Apparatus for trial run of engine |
| JPH11311590A (en) * | 1998-04-30 | 1999-11-09 | Mitsubishi Heavy Ind Ltd | Exhaust gas pressure adjusting device |
| CN102023096A (en) * | 2010-11-15 | 2011-04-20 | 北京航空航天大学 | Internal-flow high-altitude simulation test device and test method of aviation piston engine |
| CN102393305A (en) * | 2011-10-28 | 2012-03-28 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for calibrating pushing force of trial run table inside engine room |
| CN103674552A (en) * | 2013-12-13 | 2014-03-26 | 中国燃气涡轮研究院 | Aero-engine test bed trust loading and calibrating system and automatic control method |
Non-Patent Citations (1)
| Title |
|---|
| "第一原则法在发动机试车台校准中的应用";陈代富;《中国机械》;20140806;第176-177页第1-6节 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106406293B (en) * | 2016-11-24 | 2019-03-05 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of engine controller automatic calibrating method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104777000A (en) | 2015-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104777000B (en) | The whole machine test bay dynamic calibration method of turboshaft engine | |
| KR100430211B1 (en) | Service Life Management System for High-Temperature Part of Gas Turbine | |
| EP0031290B1 (en) | Method and apparatus for measuring the relative power contribution of an internal combustion engine | |
| CN108629092B (en) | One kind being based on the modified turbine disk subregion analysis method for reliability of dimensional effect | |
| CN110119570B (en) | Actually measured data driven wind farm model parameter checking method | |
| EP3220119A1 (en) | Structured light measuring apparatus and methods | |
| CN111198100A (en) | Method for monitoring service life of key part of aircraft engine | |
| CN110206596B (en) | Method for measuring air inflow of aero-engine and gas turbine | |
| CN108920836B (en) | Geometric dimension probability statistics characteristic analysis method in a kind of turbine disk probability and reliability analysis | |
| CN109073508A (en) | Test the fault diagnosis during turbine unit | |
| CN108426717B (en) | Method for automatically judging abnormal conditions of engine test parameters and storage medium | |
| CN106597350A (en) | Method and system for evaluating operation error of gateway energy meter | |
| WO2023130998A1 (en) | Method and system for improving calculation precision of turbine inlet temperature, and storage medium | |
| CN109855583A (en) | The determination method of three coordinate measuring engine measurement uncertainty | |
| EP0031291B1 (en) | Apparatus and method for measuring relative manifold vacuum of an internal combustion engine | |
| CN109489904A (en) | A kind of detection system and method for the gas leakage of engine crankcase faying face | |
| CN107451377A (en) | A kind of crystallite dimension modification method of Aviation turbine engine disk structural life-time analysis | |
| JP5815841B2 (en) | Fuel flow measurement device and calibration device thereof | |
| US5259234A (en) | Calibration system for air metering bellmouths | |
| CN103868454B (en) | A kind of nozzle crudy inspection method | |
| Palmer | Combining Bayesian belief networks with gas path analysis for test cell diagnostics and overhaul | |
| CN115345439B (en) | Aeroengine comprehensive task spectrum compiling method based on task segments related to operation and frequency mixing of task segments | |
| CN114729608B (en) | Method and system for calibrating a machine controller | |
| Malloy et al. | F-22/f119 Propulsion system ground and flight test analysis using modeling and simulation techniques | |
| RU2517264C2 (en) | Method to diagnose technical condition of aviation gas turbine engines |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Dong Jiaduan 412002 in Hunan province Zhuzhou city Lusong District Patentee after: AECC HUNAN AVIATION POWERPLANT Research Institute Country or region after: China Address before: Dong Jiaduan 412002 in Hunan province Zhuzhou city Lusong District Patentee before: CHINA AVIATION POWER MACHINERY INSTITUTE Country or region before: China |
|
| CP03 | Change of name, title or address |