CN105675275B - The acceleration equivalent lifetime test method of fuel-oil pump governor - Google Patents

The acceleration equivalent lifetime test method of fuel-oil pump governor Download PDF

Info

Publication number
CN105675275B
CN105675275B CN201610019273.XA CN201610019273A CN105675275B CN 105675275 B CN105675275 B CN 105675275B CN 201610019273 A CN201610019273 A CN 201610019273A CN 105675275 B CN105675275 B CN 105675275B
Authority
CN
China
Prior art keywords
fuel
oil pump
measured
pump governor
mrow
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
Application number
CN201610019273.XA
Other languages
Chinese (zh)
Other versions
CN105675275A (en
Inventor
刘美凤
刘铁庚
周剑波
王栋宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Aviation Powerplant Research Institute AECC
Original Assignee
China Aircraft Power Machinery Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Aircraft Power Machinery Institute filed Critical China Aircraft Power Machinery Institute
Priority to CN201610019273.XA priority Critical patent/CN105675275B/en
Publication of CN105675275A publication Critical patent/CN105675275A/en
Application granted granted Critical
Publication of CN105675275B publication Critical patent/CN105675275B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

The invention discloses a kind of acceleration equivalent lifetime test method of fuel-oil pump governor, by carrying out accelerating equivalent lifetime to test to fuel-oil pump governor to be measured, obtains the acceleration equivalent lifetime test period of fuel-oil pump governor to be measured;According to the default working time for accelerating equivalent lifetime time map relation table, calculating fuel-oil pump governor to be measured;Wherein, accelerate to be mapped with equivalent lifetime time map relation table to accelerate equivalent lifetime test period and the mapping relations of working time;According to the working time calculated, the service life time of fuel-oil pump governor to be measured is determined.The present invention shortens test period, so as to save experimentation cost compared with conventional life test;And improve the development progress of fuel-oil pump governor.

Description

The acceleration equivalent lifetime test method of fuel-oil pump governor
Technical field
The present invention relates to the life test field of product, especially, is related to a kind of acceleration of fuel-oil pump governor equivalent longevity Order test method.
Background technology
The use of aero-engine fuel-oil pump governor has life requirements, in order to verify whether its service life meets the requirements, Experiment examination need to be carried out by 1.5 times of guideline lives.With the development of aero engine technology level, the requirement to its service life It is increasingly longer, index of aging from pervious 300 it is small when, 500 it is small when, when being 2500 small till now, some even 5000 Hour, life test such as is carried out to fuel-oil pump governor by traditional test method again, undoubtedly can in manpower, time and financial resources Huge waste is produced, and also can not meet requirement on the lead time.
Therefore, the manpower, time caused by how solving in conventional life test and the huge waste in financial resources and grind Test period length processed, is a urgent problem to be solved.
The content of the invention
The present invention provides a kind of acceleration equivalent lifetime test method of fuel-oil pump governor, to solve conventional life test In caused by manpower, time and huge waste in financial resources and development test cycle length technical problem.
The technical solution adopted by the present invention is as follows:
The present invention provides a kind of acceleration equivalent lifetime test method of fuel-oil pump governor, including step:
Fuel-oil pump governor to be measured is carried out to accelerate equivalent lifetime experiment, the acceleration for obtaining fuel-oil pump governor to be measured is equivalent Test life time;
Accelerate equivalent lifetime time map relation table according to default, when calculating the work of fuel-oil pump governor to be measured Between;Wherein, accelerate to be mapped with equivalent lifetime time map relation table to accelerate reflecting for equivalent lifetime test period and working time Penetrate relation;
According to the working time calculated, the service life time of fuel-oil pump governor to be measured is determined.
Further, acceleration equivalent lifetime test period and the mapping relations of working time are:
T=Ti·K
Wherein, T is acceleration equivalent lifetime test period;TiFor the working time, K is accelerator coefficient.
Further, the step of carrying out to fuel-oil pump governor to be measured and accelerate equivalent lifetime experiment includes:
Using accelerator with improved under equivalent acceleration environment the annex aging speed of fuel-oil pump governor to be measured with And the rate of wear of metal.
Further, the annex aging speed of fuel-oil pump governor to be measured and the mill of metal are accelerated using accelerator The step of damaging speed includes:
Fuel oil temperature is improved to accelerate the aging of the rubber of fuel-oil pump governor to be measured in the case where accelerating equivalent temperature Degree.
Further, when the aging of the rubber of fuel-oil pump governor to be measured accelerates the equivalent lifetime time with aging work Between mapping relations be expressed as:
Wherein, t0Accelerate equivalent lifetime for aging of the rubber in the case where accelerating equivalent temperature of fuel-oil pump governor to be measured Time, tiFor the aging working time at a temperature of i-th, KiTo accelerate aging under equivalent temperature to accelerate equivalent lifetime time and the i-th temperature The relative acceleration coefficient of lower aging working time is spent, p is temperature exponent number.
Further, acceleration factor is:
Wherein, Xj' it is the aging accelerator coefficient of the rubber of fuel-oil pump governor to be measured in j temperature ranges, T is Accelerate equivalent lifetime experiment oil temperature, B (T) fires to be measured caused by dissolved water in fuel in the case where accelerating equivalent lifetime experiment oil temperature condition The rubber aging accelerator coefficient of fuel-oil pump governor;N be in the acceleration equivalent temperature of selection and the section of ordinary temperature, The quantity of 10 DEG C of temperature section fuel-oil pump governors to be measured.
Further, the rubber aging accelerator coefficient of fuel-oil pump governor to be measured is caused by combustion dissolved water in fuel:
Wherein, A is constant, and A is equal to 0.83;K is constant, and K is equal to 113;T is equivalent temperature in experiment.
Further, fuel oil temperature and the relational expression of the temperature of fuel-oil pump governor to be measured are expressed as:
Wherein, TinFor fuel oil temperature, T*For the temperature of fuel-oil pump governor to be measured, T0For environment temperature;Δ P is combustion to be measured The front and rear pressure difference of the gear pump of fuel pump governor.
Further, the annex aging speed of fuel-oil pump governor to be measured and the mill of metal are accelerated using accelerator The step of damaging speed includes:
Improve what fuel pressure was pumped to accelerate the accelerating gear of fuel-oil pump governor to be measured in the case where accelerating equivalent wear intensity The degree of wear.
Further, the step of carrying out to fuel-oil pump governor to be measured and accelerate equivalent lifetime experiment includes:
The content of combustion dissolved water in fuel is improved to accelerate the zero of fuel-oil pump governor to be measured in the case where accelerating equivalent wear intensity Part wear extent.
Further, the step of carrying out to fuel-oil pump governor to be measured and accelerate equivalent lifetime experiment includes:
Keep the test profile of fuel-oil pump governor to be measured consistent with actual use section in equivalent lifetime experiment is accelerated Property and keep electromagnetic valve switch number and uniformity in actual use.
The invention has the advantages that:
The acceleration equivalent lifetime test method of fuel-oil pump governor proposed by the present invention, by fuel-oil pump governor to be measured Carry out accelerating equivalent lifetime experiment, using the mapping relations for accelerating equivalent lifetime test period and working time, accordingly calculate The working time of fuel-oil pump governor to be measured, and according to the working time calculated, determine the use of fuel-oil pump governor to be measured Life time, compared with conventional life test, shortens test period, so as to save experimentation cost;And improve fuel-oil pump governor Development progress.
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 described in further detail.
Brief description of the drawings
The attached drawing for forming 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 explanation is used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow diagram of the acceleration equivalent lifetime test method preferred embodiment of fuel-oil pump governor of the present invention.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the application can phase Mutually combination.Below with reference to the accompanying drawings and the present invention will be described in detail in conjunction with the embodiments.
With reference to Fig. 1, the preferred embodiment of the present invention provides a kind of acceleration equivalent lifetime experiment side of fuel-oil pump governor Method, including step:
Step S100, fuel-oil pump governor to be measured is carried out accelerating equivalent lifetime experiment, obtains fuel-oil pump governor to be measured Acceleration equivalent lifetime test period.
Equivalent lifetime testing equipment is accelerated to carry out accelerating equivalent lifetime experiment to fuel-oil pump governor to be measured, wherein, accelerate Equivalent lifetime experiment is to promote product to be measured to fail in a short time in a manner of equivalent with Fast Evaluation product to be measured in normal work Make the reliability under condition or condition of storage.And conventional life test is used to evaluate the experiment of life of product feature to be measured In the out-of-service time that product to be measured is obtained under the test environment of setting.Such as using accelerator with equivalent acceleration environment Fuel-oil pump governor to be measured is obtained to improve the rate of wear of the annex aging speed of fuel-oil pump governor to be measured and metal Service life, specifically, fuel oil temperature can be improved to accelerate the rubber of fuel-oil pump governor to be measured in the case where accelerating equivalent temperature The degree of aging of product, can also improve fuel pressure to accelerate fuel-oil pump governor to be measured in the case where accelerating equivalent wear intensity The degree of wear of accelerating gear pump.The content of combustion dissolved water in fuel can also be improved to accelerate to treat in the case where accelerating equivalent wear intensity Survey the parts depreciation amount of fuel-oil pump governor.Wherein, the equivalents for accelerating equivalent lifetime experiment are to accelerate equivalent lifetime examination Test the middle test profile and actual use section uniformity and holding electromagnetic valve switch number for keeping fuel-oil pump governor to be measured With uniformity in actual use.
Step S200, according to default acceleration equivalent lifetime time map relation table, fuel-oil pump governor to be measured is calculated Working time;Wherein, accelerate to be mapped with equivalent lifetime time map relation table to accelerate equivalent lifetime test period and work The mapping relations of time.
Equivalent lifetime testing equipment is accelerated to calculate combustion to be measured according to default acceleration equivalent lifetime time map relation table The working time of fuel pump governor;Wherein, accelerate to be mapped with equivalent lifetime time map relation table and accelerate equivalent lifetime experiment Time and the mapping relations of working time.Acceleration equivalent lifetime test period and the mapping relations of working time are:
T=Ti·K (1)
Wherein, T is acceleration equivalent lifetime test period;TiFor the working time.
Step S300, the working time that basis calculates, determines the service life time of fuel-oil pump governor to be measured.
Accelerate equivalent lifetime testing equipment according to the working time calculated, to determine the use of fuel-oil pump governor to be measured Life time, specifically, in the present embodiment, when the working time calculated is the service life of fuel-oil pump governor to be measured Between.
The acceleration equivalent lifetime test method for the fuel-oil pump governor that the present embodiment proposes, by being adjusted to fuel pump to be measured Device carries out accelerating equivalent lifetime experiment, obtains the acceleration equivalent lifetime test period of fuel-oil pump governor to be measured;According to default Accelerate equivalent lifetime time map relation table, calculate the working time of fuel-oil pump governor to be measured;Wherein, equivalent lifetime is accelerated It is mapped with time map relation table and accelerates equivalent lifetime test period and the mapping relations of working time;According to the work calculated Make the time, determine the service life time of fuel-oil pump governor to be measured.The present embodiment is by carrying out fuel-oil pump governor to be measured Accelerate equivalent lifetime experiment, using the mapping relations for accelerating equivalent lifetime test period and working time, accordingly calculate to be measured The working time of fuel-oil pump governor, and according to the working time calculated, determine the service life of fuel-oil pump governor to be measured Time, compared with the working time, shortens test period, so as to save experimentation cost;And improve the development of fuel-oil pump governor into Degree.
The acceleration equivalent lifetime test method for the fuel-oil pump governor that the present embodiment proposes, fuel-oil pump governor to be measured add The computational methods of fast equivalent implementations and equivalent accelerated aging time are as follows:
First, fuel oil temperature is improved
A) the calculating of fuel-oil pump governor temperature to be measured
Rubber aging speed is accelerated with the raising of temperature, and it is mainly the old of examination rubber to improve fuel oil temperature Change the time, the aging of the rubber of fuel-oil pump governor to be measured accelerates equivalent lifetime time and the mapping of aging working time to close System is expressed as:
1st, aging accelerates equivalent lifetime time t0
Wherein, t0Accelerate equivalent lifetime for aging of the rubber in the case where accelerating equivalent temperature of fuel-oil pump governor to be measured Time, tiFor the aging working time at a temperature of i-th, KiTo accelerate aging under equivalent temperature to accelerate equivalent lifetime time and the i-th temperature The relative acceleration coefficient of lower aging working time is spent, p is temperature exponent number, and % is unit.
2nd, acceleration factor is:
Wherein, Xj' it is the aging accelerator coefficient of the rubber of fuel-oil pump governor to be measured in j temperature ranges, T is Accelerate equivalent lifetime experiment oil temperature, B (T) fires to be measured caused by dissolved water in fuel in the case where accelerating equivalent lifetime experiment oil temperature condition The rubber aging accelerator coefficient of fuel-oil pump governor;N be in the acceleration equivalent temperature of selection and the section of ordinary temperature, The quantity of 10 DEG C of temperature section fuel-oil pump governors to be measured.
3rd, the rubber aging accelerator coefficient of fuel-oil pump governor to be measured is caused by combustion dissolved water in fuel:
Wherein, A is constant, and A is equal to 0.83;K is constant, and K is equal to 113;T is equivalent temperature in experiment.
Wherein, aging coefficient XiValue it is specifically as shown in table 1:
Temperature stage Temperature range (DEG C) The aging coefficient X of the temperature stagei
1 60~70 2.6
2 50~60 2.31
3 40~50 1.95
4 30~40 1.61
5 20~30 1.27
The aging coefficient of the rubber in the i-th temperature range of table 1
B) the calculating of fuel oil temperature
, can be by improving fuel oil temperature T in equivalent accelerated testinTo ensure the temperature T of fuel-oil pump governor to be measured*。 Fuel oil temperature and the relational expression of the temperature of fuel-oil pump governor to be measured are expressed as:
Wherein, TinFor fuel oil temperature, T*For the temperature of fuel-oil pump governor to be measured, T0For environment temperature;Δ P is oil suction group Average pressure difference on part, is exactly the front and rear pressure difference of gear pump for fuel-oil pump governor.
2nd, the content of combustion dissolved water in fuel (vapor) is improved
In order to improve the parts depreciation amount of fuel-oil pump governor to be measured in equivalent accelerated life test, should be dissolved into fuel oil A certain amount of water, its accelerated wear test coefficient formula are as follows:
Wherein:For accelerated wear test coefficient;
Δtu=(tu-60)℃;
ΔPu=(Pu-1)Kg/cm2
ΔCbu=(Cb- 0.004) %, by quality;
By quality;
--- in accelerated test, the fuel oil temperature of fuel-oil pump governor inlet;
--- in accelerated test, fuel-oil pump governor fuel oil dissolves the content of water;
--- in accelerated test, the pressure of fuel-oil pump governor inlet;
Kτ--- working media is in accelerated aging test, the variation coefficient of wear resistance, complete when every mistake 100 is small Under conditions of replacing fuel oil, Kτ=0.74;
KQ--- influence the coefficient of tear strength change by part load is changed.
atuFor constant, and atu=0.026;abuFor constant, and abu=215;apuFor constant, and apu=0.32;To be normal Number, and For constant, and For constant, and
3rd, fuel pressure is improved
Because the wear extent of the driving and driven gear of fuel-oil pump governor to be measured and side plate, gear pump chamber is influenced by fuel pressure It is larger.To ensure that the parts such as gear meet the requirement of reality wear extent in accelerated test, generally fuel pressure is improved 0.25MPa。
It these are only the preferred embodiment of the present invention, be not intended to limit the invention, for those skilled in the art For member, the invention may be variously modified and varied.Any modification within the spirit and principles of the invention, being made, Equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.

Claims (6)

1. the acceleration equivalent lifetime test method of a kind of fuel-oil pump governor, it is characterised in that including step:
Fuel-oil pump governor to be measured is carried out to accelerate equivalent lifetime experiment, obtains the acceleration equivalent lifetime of fuel-oil pump governor to be measured Test period;
According to the default working time for accelerating equivalent lifetime time map relation table, calculating fuel-oil pump governor to be measured;Its In, it is mapped with the acceleration equivalent lifetime time map relation table and accelerates equivalent lifetime test period and the mapping of working time Relation;The acceleration equivalent lifetime test period and the mapping relations of working time are:
T=Ti·K
Wherein, T is acceleration equivalent lifetime test period;TiFor the working time, K is accelerator coefficient;
According to the working time calculated, the service life time of fuel-oil pump governor to be measured is determined;
Described the step of carrying out to fuel-oil pump governor to be measured and accelerate equivalent lifetime experiment, includes:
Using accelerator to improve the annex aging speed of fuel-oil pump governor to be measured and gold under equivalent acceleration environment The rate of wear of category;
The rate of wear of the annex aging speed for accelerating fuel-oil pump governor to be measured using accelerator and metal Step includes:
Fuel oil temperature is improved to accelerate the degree of aging of the rubber of fuel-oil pump governor to be measured in the case where accelerating equivalent temperature;
The aging of the rubber of the fuel-oil pump governor to be measured accelerates the mapping of equivalent lifetime time and aging working time Relation is expressed as:
<mrow> <msub> <mi>t</mi> <mn>0</mn> </msub> <mo>=</mo> <munderover> <mo>&amp;Sigma;</mo> <mrow> <mi>i</mi> <mo>=</mo> <mn>1</mn> </mrow> <mrow> <mi>i</mi> <mo>=</mo> <mi>p</mi> </mrow> </munderover> <mfrac> <msub> <mi>t</mi> <mi>i</mi> </msub> <msub> <mi>K</mi> <mi>i</mi> </msub> </mfrac> <mo>&amp;lsqb;</mo> <mi>%</mi> <mo>&amp;rsqb;</mo> </mrow>
Wherein, t0Accelerate the equivalent lifetime time for aging of the rubber in the case where accelerating equivalent temperature of fuel-oil pump governor to be measured, tiFor the aging working time at a temperature of i-th, KiTo accelerate under equivalent temperature at a temperature of the aging acceleration equivalent lifetime time and i-th The relative acceleration coefficient of aging working time, p are temperature exponent number.
2. the acceleration equivalent lifetime test method of fuel-oil pump governor according to claim 1, it is characterised in that
The acceleration factor is:
<mrow> <msub> <mi>K</mi> <mi>i</mi> </msub> <mo>=</mo> <mi>B</mi> <mrow> <mo>(</mo> <mi>T</mi> <mo>)</mo> </mrow> <munderover> <mo>&amp;Pi;</mo> <mrow> <mi>j</mi> <mo>=</mo> <mn>1</mn> </mrow> <mrow> <mi>j</mi> <mo>=</mo> <mi>n</mi> </mrow> </munderover> <msup> <msub> <mi>X</mi> <mi>j</mi> </msub> <mo>&amp;prime;</mo> </msup> </mrow>
Wherein, Xj' it is the aging accelerator coefficient of the rubber of fuel-oil pump governor to be measured in j temperature ranges, T is acceleration etc. Life test oil temperature is imitated, B (T) fires fuel pump to be measured caused by dissolved water in fuel in the case where accelerating equivalent lifetime experiment oil temperature condition The rubber aging accelerator coefficient of adjuster;N is 10 DEG C of temperature in the acceleration equivalent temperature of selection and the section of ordinary temperature Spend the quantity of section fuel-oil pump governor to be measured.
3. the acceleration equivalent lifetime test method of fuel-oil pump governor according to claim 2, it is characterised in that
The rubber aging accelerator coefficient of fuel-oil pump governor to be measured caused by the combustion dissolved water in fuel is:
<mrow> <mi>B</mi> <mrow> <mo>(</mo> <mi>T</mi> <mo>)</mo> </mrow> <mo>=</mo> <msup> <mi>Ae</mi> <mfrac> <mi>T</mi> <msub> <mi>K</mi> <mn>1</mn> </msub> </mfrac> </msup> </mrow>
Wherein, A is constant, and A is equal to 0.83;K1For constant, and K1Equal to 113;T is equivalent temperature in experiment.
4. the acceleration equivalent lifetime test method of fuel-oil pump governor according to claim 3, it is characterised in that
The fuel oil temperature and the relational expression of the temperature of fuel-oil pump governor to be measured are expressed as:
<mrow> <msub> <mi>T</mi> <mrow> <mi>i</mi> <mi>n</mi> </mrow> </msub> <mo>=</mo> <mfrac> <mrow> <msup> <mi>T</mi> <mo>*</mo> </msup> <mo>-</mo> <mn>0.12</mn> <msub> <mi>T</mi> <mn>0</mn> </msub> <mo>-</mo> <mn>0.06</mn> <mi>&amp;Delta;</mi> <mi>P</mi> </mrow> <mn>0.88</mn> </mfrac> </mrow>
Wherein, TinFor fuel oil temperature, T*For the temperature of fuel-oil pump governor to be measured, T0For environment temperature;Δ P is fuel pump to be measured The front and rear pressure difference of the gear pump of adjuster.
5. the acceleration equivalent lifetime test method of fuel-oil pump governor according to claim 1, it is characterised in that
The rate of wear of the annex aging speed for accelerating fuel-oil pump governor to be measured using accelerator and metal Step includes:
The abrasion that fuel pressure is improved to accelerate the accelerating gear of fuel-oil pump governor to be measured to pump in the case where accelerating equivalent wear intensity Degree.
6. the acceleration equivalent lifetime test method of fuel-oil pump governor according to claim 1, it is characterised in that
Described the step of carrying out to fuel-oil pump governor to be measured and accelerate equivalent lifetime experiment, includes:
The content of combustion dissolved water in fuel is improved to accelerate the part of fuel-oil pump governor to be measured to grind in the case where accelerating equivalent wear intensity Damage amount.
CN201610019273.XA 2016-01-13 2016-01-13 The acceleration equivalent lifetime test method of fuel-oil pump governor Active CN105675275B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610019273.XA CN105675275B (en) 2016-01-13 2016-01-13 The acceleration equivalent lifetime test method of fuel-oil pump governor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610019273.XA CN105675275B (en) 2016-01-13 2016-01-13 The acceleration equivalent lifetime test method of fuel-oil pump governor

Publications (2)

Publication Number Publication Date
CN105675275A CN105675275A (en) 2016-06-15
CN105675275B true CN105675275B (en) 2018-05-15

Family

ID=56300539

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610019273.XA Active CN105675275B (en) 2016-01-13 2016-01-13 The acceleration equivalent lifetime test method of fuel-oil pump governor

Country Status (1)

Country Link
CN (1) CN105675275B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108572074B (en) * 2017-03-10 2020-07-10 国家能源投资集团有限责任公司 Bearing fault detection method and device and wind generating set
CN111413027A (en) * 2020-04-22 2020-07-14 太原航空仪表有限公司 Accelerated degradation test method for pressure annunciator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1650945A1 (en) * 1989-02-13 1991-05-23 Производственное Объединение "Турбомоторный Завод" Им.К.Е.Ворошилова Method for accelerated life testing of plunger high pressure fuel pumps
CN202176500U (en) * 2011-08-15 2012-03-28 中国航空工业集团公司西安飞机设计研究所 Pollutant accelerated life test rack of aircraft engine driven pump
CN104298853A (en) * 2014-08-26 2015-01-21 北京航空航天大学 Plunger pump product comprehensive accelerated factor optimizing method under multi-stress and multi-mechanism action

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1650945A1 (en) * 1989-02-13 1991-05-23 Производственное Объединение "Турбомоторный Завод" Им.К.Е.Ворошилова Method for accelerated life testing of plunger high pressure fuel pumps
CN202176500U (en) * 2011-08-15 2012-03-28 中国航空工业集团公司西安飞机设计研究所 Pollutant accelerated life test rack of aircraft engine driven pump
CN104298853A (en) * 2014-08-26 2015-01-21 北京航空航天大学 Plunger pump product comprehensive accelerated factor optimizing method under multi-stress and multi-mechanism action

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
航空产品加速寿命试验研究及应用;张苹苹;《北京航空航天大学学报》;19951031;第21卷(第4期);第124-129页 *
航空液压泵加速寿命试验现状;马纪明等;《液压与气动》;20151231(第6期);第6-12页 *

Also Published As

Publication number Publication date
CN105675275A (en) 2016-06-15

Similar Documents

Publication Publication Date Title
CN105675275B (en) The acceleration equivalent lifetime test method of fuel-oil pump governor
CN104309603A (en) Method for diagnosing air leakage of vacuum air suction system for providing vacuum degree of brake system
CN101373162A (en) Method for drafting differential pressure and leakage amount relation curve in leak detection of seal article
EP3199784B1 (en) Fuel flow control
CN101231225A (en) System and method for determining ethanol content in fuel
CN105247222A (en) Corrected rpm calculation method for compressor, control method for compressor, and devices for implementing these methods
CN104454197B (en) A kind of digger engine adaptive power control method
CN111881564A (en) Method for predicting amplitude-variable fatigue life of mechanical structure
CN105501116A (en) Method and system for detecting leakage of fuel tanks of automobiles
CN101865710A (en) Method for measuring flow of negative-pressure gas
CN107886593A (en) A kind of computational methods of fuel tank discharge vaporization leak diagnostics inspection policies
CN105512405A (en) Optimized design method for diameter of MPC ejector nozzle
CN110895201B (en) Helicopter fuel system normal overload ground simulation device and method
CN112253102A (en) Method and device for determining air discharge pressure of oil well casing
CN112096532B (en) Method and system for limiting fuel injection quantity
CN111104724B (en) Method for evaluating total net pressure in fracturing
TWI652404B (en) Evaluation method of turbocharger surge state and computer program product thereof
CN109815513A (en) A kind of Aero-Engine Lubrication System design method
CN102707739B (en) Working state control system and control method for pumping oil supply simulation chamber
CN102817733B (en) Control method and device for oil injection speed of orifice in wearing conditions
CN112415892B (en) Gasoline engine starting calibration control parameter optimization method
CN105300702B (en) The determination method of the diesel engine for automobile engine factor
US9151229B2 (en) High pressure turbine speed calculation from fuel system hydraulic pressures
CN110276525B (en) Engine key technology evaluation method based on fuel economy
CN111058968B (en) Method for calculating pressure intensity of small combustion chamber of double-combustion-chamber solid rocket engine

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into 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