CN106596115A - Engine EGR fluid simulation test bench - Google Patents
Engine EGR fluid simulation test bench Download PDFInfo
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- CN106596115A CN106596115A CN201710035072.3A CN201710035072A CN106596115A CN 106596115 A CN106596115 A CN 106596115A CN 201710035072 A CN201710035072 A CN 201710035072A CN 106596115 A CN106596115 A CN 106596115A
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- 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
- G01M15/04—Testing internal-combustion engines
- G01M15/05—Testing internal-combustion engines by combined monitoring of two or more different engine parameters
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- 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
- G01M15/04—Testing internal-combustion engines
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- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Engines (AREA)
Abstract
The invention relates to an engine EGR (Exhaust Gas Recirculation) fluid simulation test bench. The test bench comprises a gas exhaust simulation unit used for simulating gas exhaust of an engine, an EGR inter-cooler, a gas intake simulation unit used for simulating gas intake of an engine, a simulated cylinder unit, and a data acquisition control unit. The gas exhaust simulation unit is connected with the EGR inter-cooler. The output gas of the EGR inter-cooler and the output gas of the gas intake simulation unit are mixed and then enter the simulated cylinder unit. The gas of the gas exhaust simulation unit and the output gas of the simulated cylinder unit exchange heat with each other. Compared with the prior art, the test bench is applied to a test measurement and control platform in the power machinery and engineering field, can effectively simulate the fluid motion of an engine gas intake and exhaust system and carry out exhaust gas recirculation simulation test under different working conditions based on EGR system simulation boundary conditions, can promote innovation in engine fluid test and engine EGR system research, and can be used in EGR simulation, intake and exhaust duct flow coefficient measurement, EGR rate measurement and control, and gas flow movement and organization research.
Description
Technical field
The present invention relates to engine test technology, and in particular to a kind of engine EGR fluid simulation testing stand.
Background technology
Study hotspot in the industry is become based on the internal combustion engine high-efficiency cleaning combustion technology of EGR dilution in recent years, and is subtracted in energy-conservation
Row field has larger potentiality, and wherein egr system design and engine performance is matched as the important foundation of the technology application.
Egr system is mainly made up of EGR control valve, EGR charge air coolers, EGR line etc., but according to engine operating condition feature and EGR
The characteristics of installation site then presents extremely complex.Divided according to the relative installation with engine charge pressure charging system, EGR
System is divided into high pressure EGR system and low pressure EGR system；According to the relative peace with the gas emission device such as ternary catalytic device for engine
Holding position is divided, and egr system is divided into net end egr system and dirty end egr system；According to whether setting up charge air cooler is divided into hot EGR again
System and cold egr system；Foreign countries also proposed the design of DEGR systems and multi-stage booster egr system.Consider simultaneously to start machine width
The application of other engine technologies such as wealthy complicated condition range and VVT, Ai Jinsen circulation, EGR technology on the engine should
With face problems with challenge.
The content of the invention
The purpose of the present invention is exactly to provide that a kind of test function is more, survey to overcome defect that above-mentioned prior art is present
The accurate engine EGR fluid simulation testing stand of examination data.
The purpose of the present invention can be achieved through the following technical solutions：A kind of engine EGR fluid simulation testing stand, institute
Stating testing stand includes aerofluxuss analogue unit for simulated engine aerofluxuss, EGR charge air coolers, entering for simulated engine air inlet
Gas analogue unit, simulation piston-cylinder unit and data collection control unit, the aerofluxuss analogue unit are connected with EGR charge air coolers,
The exit gas of EGR charge air coolers enters simulation piston-cylinder unit after mixing with the exit gas of intake simulation unit, aerofluxuss simulation is single
The gas of unit carries out heat exchange with the outlet of simulation piston-cylinder unit.
Testing stand waste gas of the present invention is obtained without the need for combustion of fossil fuel, but passes through air and CO2Mix by a certain percentage
And gaseous mixture heating simulated exhaust, using electrothermal tube heating, up to 300 DEG C, this is designed with maximum gas temperature mode of heating
Beneficial to test zero-emission pollution and the factor of the uncontrollability for excluding gas combustion.
Described aerofluxuss analogue unit includes No. two blower fans, CO2Gas bomb, combined voltage regulation device and No. two threeway connections
Part, No. two blower fans send into air in combined voltage regulation device, the CO2Gas in gas bomb by heat exchanger with it is described
The outlet of simulation piston-cylinder unit enters combined voltage regulation device, the gas outlet and two of the combined voltage regulation device after carrying out heat exchange
The entrance connection of number three-way connector, the one outlet of combined voltage regulation device are connected with EGR charge air coolers, another outlet and mix
Regulator circulation connection.
No. two temperature sensors, No. two pressure transducers and electrical heating wire are provided with described combined voltage regulation device.
The shell side of described EGR charge air coolers is connected with water tank circulation, and water pump and No. two flows are arranged on connecting line
Meter, the tube-side inlet of the EGR charge air coolers are connected with intake simulation unit, and outlet is connected with intake simulation unit by EGR valve.
The inlet and outlet of described water tank is equipped with a temperature sensor, and the inside of water tank is provided with electrical heating wire.Examination
Test platform to be configured with temp. controllable water tank and import and export the devices such as pipeline, water pump, effusion meter, can be used for experimental test charge air cooler cooling effect
Really.EGR valve body aperture control simultaneously can be controlled with number milling machine case I/O interfaces by director demon, variable so as to be capable of achieving
The dynamic test of EGR rate.
A blower fan that described intake simulation unit includes being sequentially connected, pressurizer tank, air throttle and a threeway
Connector, another gas access of a three-way connector are connected with the tube side outlet of EGR charge air coolers by EGR valve,
Gas outlet's connection simulation piston-cylinder unit of a number three-way connector.
Pass through a tee T in testing stand of the present invention and No. two tee Ts replace engine intake and exhaust system, just with observation
Flow of fluid situation, its material are high temperature resistant lucite, and chemical name, polymethyl methacrylate, is by methacrylic acid
Polyisocyanate polyaddition into macromolecular compound, 200 degrees Celsius of maximum temperature, maximum high pressure resistant 25Mpa.It is all provided with all of connecting line
There is trace particle injection port to be opened/closed.Trace particle injection port is set, trace particle is injected in pipeline, can be passed through
The mobility status of gas in PIV equipment observation pipeline, are easy to study pipeline knot in automobile engine exhaust system and gas handling system
The impact that structure flows to air flue.
Described piston-cylinder unit includes transparent cylinder sleeve, the cylinder cap being arranged at the top of transparent cylinder sleeve, is arranged on transparent cylinder sleeve bottom
No. two pressurizer tanks in portion and No. two pressurizer tanks are connected to reclaim the filter of trace particle and are connected to filter pre-
The heat exchanger of gas in hot intake simulation unit, the cylinder cap are connected with the gas outlet of a three-way connector.
Described data collection control unit is included for gas stream in controlling intake simulation unit and aerofluxuss analogue unit
The controller of amount, the PIV equipment for checking trace particle movement locus in pipeline, for testing gas concentration in each pipeline
Exhaust gas analyzer and for collecting temperature, pressure, flow number in air inlet analogue unit, aerofluxuss analogue unit and EGR charge air coolers
According to data acquisition device, the PIV equipment, exhaust gas analyzer and data acquisition device are connected with controller.Testing stand is employed
A large amount of flowmeter sensors and thermometer sensor, related sensor is transmitted to several milling machine casees by holding wire, and is finally imported
Controller is processed, and controller reasonably adjusts the flow and temperature of tubing according to sensor parameters, realizes automatization
Control.
Described PIV equipment is provided with photographic head.PIV equipment are set and can measure Tumble and swirl and discharge coefficient, so as to open
The scientific research of the basic problems such as exhibition layering EGR.
The testing stand of the present invention can support following several EGR rate method of testings：
(1)CO2Concentration determination EGR rate:
This testing stand can pass through CO2The mode simulated exhaust for mixing with air according to a certain percentage, and pass through exhaust gas analysis
Instrument is measuring CO2Concentration.EGR rate is measured according to the change of concentration, if CO in ambient atmosphere2Ratio is R1, in simulated exhaust
CO2Ratio be R2, in the mixed CO of air intake duct2Concentration is R3, and simulated exhaust EGR rate computing formula is as follows：
EGR Rate=(R3-R1)/(R2-R1) * 100%.
General carbon dioxide (CO2) the 0.031% of constituent of atomsphere is accounted for, for higher degree of accuracy, it is proposed that simulated exhaust
Middle CO2Concentration arranges higher, but from experimentation cost and CO2Also unsuitable CO is considered using measuring angle2It is too high that concentration is arranged.
(2) effusion meter measurement EGR rate
This testing stand can realize the calculating of EGR rate by accurate flow measurement, can not needed using party's rule
Add CO2Simulated exhaust.If inlet airflow amount is M1, the flow for flowing through EGR valve is M2, then the computing formula of EGR rate is such as
Under
EGR Rate=M2/ (M1+M2) * 100%.
(3) differential temperature survey EGR rate
When the temperature of simulated exhaust is higher, this testing stand can be solved by differential thermal calculation using the first law of thermodynamics
EGR rate, in order to improve experimental precision.If air intake duct gas pressure and temperature are Ti, the pressure and temperature of simulated exhaust is Te, is mixed
Gas pressure and temperature after conjunction is Tm, then the computing formula of EGR rate is
EGR rate=(Tm-Ti)/(Te-Ti) * 100%.
Compared with prior art, beneficial effects of the present invention are embodied in：The present invention is to be applied to Power Machinery and Engineering
The test monitoring platform in section field, can effective simulated engine air inlet system and exhaust system fluid motion, and combine egr system and simulate side
Boundary's condition carries out the waste gas recirculation simulation test under different operating modes, helps lend some impetus to engine fluid test innovation, contributes to
Promote engine EGR systematic study, possess abundant test function, can be used for EGR circulating analogs, entering and exhaust channel discharge coefficient and survey
Amount, EGR rate measurement and control, air motion and type of organization research.
Description of the drawings
Fig. 1 is the connection diagram of the present invention.
Wherein, 1 be a blower fan, 2 be a flow control valve, 3 be a pressurizer tank, 4 be a pressure transducer, 5
For air throttle, 6 is an effusion meter, and 7 is a three-way connector, and 8 is cylinder cap, and 9 is transparent cylinder sleeve, and 10 is No. two pressurizer tanks,
11 is filter, and 12 is heat exchanger, and 13 is CO2Gas bomb, 14 is No. two flow control valves, and 15 is No. two blower fans, and 16 is No. three
Flow control valve, 17 is combined voltage regulation device, and 18 is No. two pressure transducers, and 19 is No. two temperature sensors, and 20 is No. two three
Lead to fitting, 21 is reflux inlet, and 22 is EGR charge air coolers, and 23 is No. two effusion meters, and 24 is water pump, and 25 is No. three effusion meters, and 26 are
Water tank, 27 is a temperature sensor, and 28 is EGR valve, and 29 is data acquisition device, and 30 is controller, and 31 is PIV equipment, and 32 are
Photographic head, 33 is exhaust gas analyzer.
Specific embodiment
Below embodiments of the invention are elaborated, the present embodiment is carried out under premised on technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following enforcements
Example.
Embodiment 1
A kind of engine EGR fluid simulation testing stand, testing stand include single for the aerofluxuss simulation of simulated engine aerofluxuss
Unit, EGR charge air coolers 22, the intake simulation unit for simulated engine air inlet, simulation piston-cylinder unit and data acquisition control
Unit, aerofluxuss analogue unit are connected with EGR charge air coolers 22, the exit gas of EGR charge air coolers 22 and the outlet of intake simulation unit
Simulation piston-cylinder unit is entered after gas mixing, gas and the outlet of simulation piston-cylinder unit of aerofluxuss analogue unit carry out heat exchange.
The present embodiment testing stand waste gas is obtained without the need for combustion of fossil fuel, but passes through air and CO2Mix by a certain percentage
Close and gaseous mixture heating simulated exhaust, mode of heating is heated using electrothermal tube, and up to 300 DEG C, this designs maximum gas temperature
Be conducive to testing the factor of the uncontrollability that gas combustion is polluted and excluded in zero-emission.
Aerofluxuss analogue unit includes No. two blower fans 15, CO2Gas bomb 13, combined voltage regulation device 17 and No. two threeway connections
Part 20, No. two blower fans 15 send into air in combined voltage regulation device 17, CO2Gas in gas bomb 13 passes through heat exchanger 12 and mould
The outlet for intending piston-cylinder unit carries out combined voltage regulation device 17 is entered after heat exchange, the gas outlet of combined voltage regulation device 17 with No. two
The entrance connection of three-way connector 20, the one outlet of combined voltage regulation device 17 is connected with EGR charge air coolers 22, another outlet and
The circulation connection of combined voltage regulation device 17, and reflux inlet 21 is set on circulation line.CO2Gas bomb 13 and No. two blower fans 15 with it is mixed
No. two flow control valves 14 and No. three flow control valves 16 are respectively provided with the connecting line for closing regulator 17, heat exchanger is set
12 is to go to preheat CO for the tail gas for passing through to simulate cylinder2Gas, saves energy.
No. two temperature sensors 19, No. two pressure transducers 18 and electrical heating wires are provided with combined voltage regulation device 17.
High pressure CO2Gas bomb 13 and No. two 15 collective effect simulated exhausts of blower fan, both can pass through No. two flow control valves
14th, the ratio of No. three regulation gas components of flow control valve 16, is not measuring CO by exhaust gas analyzer2During concentration, No. two streams
Control valve 14 is closed.The critical temperature of carbon dioxide in addition is 31.2 DEG C or so, and critical pressure is 7.38MPa, that is, temperature
Higher than 31.2 DEG C, pressure will not also liquefy greatly degree again；Co 2 liquefaction critical point is 27 DEG C, 6.7MPa, 20 DEG C, 5.7MPa
10 DEG C, 4.5MPa.Need high pressure CO2In gas bomb, temperature and pressure is maintained at non-liquefaction condition.Combined voltage regulation device 17 is main
By No. two pressure transducers 18 and No. two measurement control exhaust gas pressures of temperature sensor 19, and combined voltage regulation device 17 is built-in
Electrical heating wire, can heat to waste gas, so as to simulate different temperatures waste gas.Waste gas is externally defeated by No. two three-way connectors 20
Go out waste gas, the connector can be used to observe waste gas tapping condition, and portion can be back to combined voltage regulation by reflux inlet 21
Device 17.Engine exhaust pipeline is constructed jointly with upper-part and EGR charge air coolers 22, EGR valve 28.
The shell side of EGR charge air coolers 22 is connected with the circulation of water tank 26, and water pump 24 and No. two flows are arranged on connecting line
The tube-side inlet of 23, EGR of meter charge air coolers 22 is connected with intake simulation unit, and outlet is connected with intake simulation unit by EGR valve 28
Connect, and EGR charge air coolers 22 and No. three effusion meters 25 of setting on the connecting line of EGR valve 28.
The inlet and outlet of water tank 26 is equipped with water tank 27, and the inside of water tank 26 is provided with electrical heating wire.Testing stand is configured with
The device such as temp. controllable water tank 26 and import and export pipeline, water pump 24, effusion meter, can be used for experimental test charge air cooler cooling effect.Together
When the control of EGR valve 28 body aperture can be controlled with number milling machine case I/O interfaces by 30 program of controller, so as to achievable variable
The dynamic test of EGR rate.Wherein water tank carries electrical heating wire controlling water temperature, and general engine water temperature is 80～100 DEG C.This examination
Test platform and be capable of achieving 20～100 DEG C of scope controls of water temperature.
Intake simulation unit includes 1, pressurizer tank 3 of a blower fan, air throttle 5 and the threeway connection being sequentially connected
Part 7, the connecting line between a blower fan 1 and a pressurizer tank 3 are provided with a flow control valve 2, set on a pressurizer tank 3
There is a pressure transducer 4, another gas access of a three-way connector 7 is by EGR valve 28 and the pipe of EGR charge air coolers 22
Journey outlet connection, gas outlet's connection simulation piston-cylinder unit of a three-way connector 7.
A number blower fan 1 is 0.1～0.3Mpa due to simulating air inlet, air pressure range, and a flow control valve 2 is for micro-adjustment
Atmospheric pressure, a pressurizer tank 3 are used to stablize admission pressure, and a pressure transducer 4 is used to monitor voltage stabilizing cavity pressure.Air throttle
5 is the actual air throttle of electromotor, can be selected according to different engine model, for simulating control charge flow rate, an effusion meter 6
For measuring charge flow rate, a three-way connector 7 is used to observe intake and exhaust mixing situation, is specifically arranged according to electromotor
And pipeline parameter designing.Cylinder cap 8 can also print intake and exhaust discrimination by 3D printer according to geometric parameter for actual cylinder cap
Pipe and top of combustion chamber, transparent cylinder sleeve 9 can be used to observe in-cylinder air motion situation.No. two pressurizer tanks 10 are used to avoid pressure wave
It is dynamic should In Cylinder Flow, filter 11 realizes that the collection of particulate matter is recycled and (is mainly used for trace particle to collect back
Receive), when heat exchanger 12 is mainly used in hot EGR tests, simulated exhaust CO2 is tentatively heated, saved energy.With upper-part altogether
It is same to construct engine charge pipeline.
Pass through a tee T in the present embodiment testing stand and No. two tee Ts replace engine intake and exhaust system, just with sight
Flow of fluid situation is examined, its material is high temperature resistant lucite, and chemical name, polymethyl methacrylate, is by metering system
The macromolecular compound that acid esters is aggregated into, 200 degrees Celsius of maximum temperature, maximum high pressure resistant 25Mpa.On all of connecting line
It is provided with trace particle injection port to be opened/closed.Trace particle injection port is set, trace particle is injected in pipeline, can be passed through
In the observation pipeline of PIV equipment 31, the mobility status of gas, are easy to study pipeline in automobile engine exhaust system and gas handling system
The impact that structure flows to air flue.
Piston-cylinder unit includes transparent cylinder sleeve 9, the cylinder cap 8 being arranged at the top of transparent cylinder sleeve 9, is arranged on 9 bottom of transparent cylinder sleeve
No. two pressurizer tanks 10, and No. two pressurizer tanks 10 be connected to reclaim the filter 11 of trace particle and be connected with filter 11
For the heat exchanger 12 of gas in pre-heating intaking analogue unit, cylinder cap 8 is connected with the gas outlet of a three-way connector 7.By
There is to environment certain harm in trace particle, so after test terminates, needing to showing before the gas emptying in testing stand
Track particle is reclaimed, and this is accomplished by filter 11 and completes.
Data collection control unit is included for controlling 2, No. two flow control valves 14 of a flow control valve and No. three streams
It is the controller 30 of 16 aperture of control valve, the PIV equipment 31 for checking trace particle movement locus in pipeline, each for testing
The exhaust gas analyzer 33 of gas concentration and for collecting air inlet analogue unit, aerofluxuss analogue unit and EGR charge air coolers in pipeline
The data acquisition device 29 of temperature, pressure, data on flows in 22, PIV equipment 31, exhaust gas analyzer 33 and data acquisition device 29 with
Controller 30 connects.Testing stand employs a large amount of flowmeter sensors and thermometer sensor, and related sensor passes through holding wire
Transmit to several milling machine casees, and finally import controller 30 and processed, controller 30 reasonably adjusts pipe according to sensor parameters
The flow and temperature of road system, realizes Automated condtrol.
PIV equipment 31 is provided with photographic head 32.Arrange PIV equipment 31 can measure Tumble and swirl and discharge coefficient, so as to open
The scientific research of the basic problems such as exhibition layering EGR.
Claims (10)
1. a kind of engine EGR fluid simulation testing stand, it is characterised in that the testing stand is included for simulated engine aerofluxuss
Aerofluxuss analogue unit, EGR charge air coolers (22), the intake simulation unit for simulated engine air inlet, simulation piston-cylinder unit with
And data collection control unit, the aerofluxuss analogue unit is connected with EGR charge air coolers (22), the exit gas of EGR charge air coolers with
Simulation piston-cylinder unit, gas and the simulation piston-cylinder unit of aerofluxuss analogue unit are entered after the exit gas mixing of intake simulation unit
Outlet carry out heat exchange.
2. a kind of engine EGR fluid simulation testing stand according to claim 1, it is characterised in that described aerofluxuss mould
Quasi-simple unit includes No. two blower fans (15), CO2Gas bomb (13), combined voltage regulation device (17) and No. two three-way connectors (20),
No. two blower fans (15) send into air in combined voltage regulation device (17), the CO2Gas in gas bomb (13) is by changing
Hot device (12) carries out combined voltage regulation device (17), the combined voltage regulation are entered after heat exchange with the outlet of the simulation piston-cylinder unit
The gas outlet of device (17) is connected with the entrance of No. two three-way connectors (20), the one outlet of combined voltage regulation device (17) with
EGR charge air coolers (22) connect, and another outlet is connected with combined voltage regulation device (17) circulation.
3. a kind of engine EGR fluid simulation testing stand according to claim 2, it is characterised in that described mixing is adjusted
No. two temperature sensors (19), No. two pressure transducers (18) and electrical heating wire are provided with pressure device (17).
4. a kind of engine EGR fluid simulation testing stand according to claim 1, it is characterised in that cold in described EGR
The shell side of device (22) is connected with water tank (26) circulation, and water pump (24) and No. two effusion meters (23), institute are arranged on connecting line
The tube-side inlet for stating EGR charge air coolers (22) is connected with intake simulation unit, and outlet is connected with intake simulation unit by EGR valve (28)
Connect.
5. a kind of engine EGR fluid simulation testing stand according to claim 4, it is characterised in that described water tank
(26) inlet and outlet is equipped with a temperature sensor (27), and the inside of water tank (26) is provided with electrical heating wire.
6. a kind of engine EGR fluid simulation testing stand according to claim 4, it is characterised in that described air inlet mould
A blower fan (1) that quasi-simple unit includes being sequentially connected, pressurizer tank (3), air throttle (5) and a three-way connector (7), institute
State tube side outlet of another gas access of a three-way connector (7) by EGR valve (28) with EGR charge air coolers (22) to connect
Connect, gas outlet's connection simulation piston-cylinder unit of a three-way connector (7).
7. according to a kind of arbitrary described engine EGR fluid simulation testing stand of claim 1～6, it is characterised in that all of
Trace particle injection port to be opened/closed is equipped with connecting line.
8. a kind of engine EGR fluid simulation testing stand according to claim 7, it is characterised in that described cylinder list
First No. two for including transparent cylinder sleeve (9), the cylinder cap (8) being arranged at the top of transparent cylinder sleeve (9), being arranged on transparent cylinder sleeve (9) bottom
Pressurizer tank (10), and No. two pressurizer tanks (10) be connected to reclaim the filter (11) of trace particle and with filter (11) even
Connect the gas of the heat exchanger (12) for gas in pre-heating intaking analogue unit, the cylinder cap (8) and a three-way connector (7)
Outlet connection.
9. a kind of engine EGR fluid simulation testing stand according to claim 7, it is characterised in that described data are adopted
Collection control unit is included for the controller (30) of gas flow in controlling intake simulation unit and aerofluxuss analogue unit, for looking into
See the PIV equipment (31) of trace particle movement locus in pipeline, the exhaust gas analyzer for testing gas concentration in each pipeline
(33) and for collecting the number of temperature, pressure, data on flows in air inlet analogue unit, aerofluxuss analogue unit and EGR charge air coolers
According to vasculum (29), the PIV equipment (31), exhaust gas analyzer (33) and data acquisition device (29) are connected with controller (30)
Connect.
10. a kind of engine EGR fluid simulation testing stand according to claim 7, it is characterised in that described PIV sets
Standby (31) are provided with photographic head (32).
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| CN201710035072.3A CN106596115B (en) | 2017-01-17 | 2017-01-17 | A kind of engine EGR fluid simulation testing stand |
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| CN201710035072.3A CN106596115B (en) | 2017-01-17 | 2017-01-17 | A kind of engine EGR fluid simulation testing stand |
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|---|---|---|---|---|
| CN107782639A (en) * | 2017-10-27 | 2018-03-09 | 广西玉柴机器股份有限公司 | The back pressure test device of catalyst unit |
| CN110398611A (en) * | 2019-07-01 | 2019-11-01 | 天津大学 | Low speed two cycle marine diesel engine cylinder steady-flow test device and method |
| CN112161811A (en) * | 2020-09-27 | 2021-01-01 | 滁州天陆泓机械有限公司 | Automobile engine unit operation test device and method |
| CN112781884A (en) * | 2020-12-21 | 2021-05-11 | 中国北方发动机研究所(天津) | Rotor engine air flue flow stabilization test device |
| CN113281051A (en) * | 2021-06-20 | 2021-08-20 | 昆明理工大学 | Engine infrared heat flow three-dimensional visual air passage flow stabilization experiment table and test method |
| CN113551912A (en) * | 2021-04-28 | 2021-10-26 | 浙江和夏科技股份有限公司 | Engine EGR exhaust gas circulation test system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100603502B1 (en) * | 2006-01-05 | 2006-07-24 | 오상택 | Car egr cooler thermal cycle test system |
| CN101334163A (en) * | 2008-08-01 | 2008-12-31 | 浙江大学 | Combustion apparatus for EGR valve test |
| CN102182585A (en) * | 2009-12-25 | 2011-09-14 | 株式会社堀场制作所 | Exhaust gas recirculation (EGR) ratio measuring device |
| CN102840995A (en) * | 2012-09-10 | 2012-12-26 | 临海市伟达汽车部件有限公司 | Performance test analysis system for EGR (Exhaust Gas Recirculation) cooler |
| CN103105306A (en) * | 2012-11-12 | 2013-05-15 | 无锡双翼汽车环保科技有限公司 | Exhaust gas recirculation (EGR) cooler performance combination testing device |
| CN204255668U (en) * | 2014-11-21 | 2015-04-08 | 江苏大学 | The circulating device of simulated engine waste gas test cooler for recycled exhaust gas |
| CN106017968A (en) * | 2016-07-29 | 2016-10-12 | 无锡隆盛科技股份有限公司 | EGR cooler heat exchange efficiency detection system |
-
2017
- 2017-01-17 CN CN201710035072.3A patent/CN106596115B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100603502B1 (en) * | 2006-01-05 | 2006-07-24 | 오상택 | Car egr cooler thermal cycle test system |
| CN101334163A (en) * | 2008-08-01 | 2008-12-31 | 浙江大学 | Combustion apparatus for EGR valve test |
| CN102182585A (en) * | 2009-12-25 | 2011-09-14 | 株式会社堀场制作所 | Exhaust gas recirculation (EGR) ratio measuring device |
| CN102840995A (en) * | 2012-09-10 | 2012-12-26 | 临海市伟达汽车部件有限公司 | Performance test analysis system for EGR (Exhaust Gas Recirculation) cooler |
| CN103105306A (en) * | 2012-11-12 | 2013-05-15 | 无锡双翼汽车环保科技有限公司 | Exhaust gas recirculation (EGR) cooler performance combination testing device |
| CN204255668U (en) * | 2014-11-21 | 2015-04-08 | 江苏大学 | The circulating device of simulated engine waste gas test cooler for recycled exhaust gas |
| CN106017968A (en) * | 2016-07-29 | 2016-10-12 | 无锡隆盛科技股份有限公司 | EGR cooler heat exchange efficiency detection system |
Non-Patent Citations (1)
| Title |
|---|
| 杨帅 等: "EGR率对柴油机排放特性影响的试验", 《农业机械学报》 * |
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| CN107782639A (en) * | 2017-10-27 | 2018-03-09 | 广西玉柴机器股份有限公司 | The back pressure test device of catalyst unit |
| CN110398611A (en) * | 2019-07-01 | 2019-11-01 | 天津大学 | Low speed two cycle marine diesel engine cylinder steady-flow test device and method |
| CN110398611B (en) * | 2019-07-01 | 2021-04-20 | 天津大学 | Device and method for testing steady-state flow of cylinder of low-speed two-stroke marine diesel engine |
| CN112161811A (en) * | 2020-09-27 | 2021-01-01 | 滁州天陆泓机械有限公司 | Automobile engine unit operation test device and method |
| CN112781884A (en) * | 2020-12-21 | 2021-05-11 | 中国北方发动机研究所(天津) | Rotor engine air flue flow stabilization test device |
| CN113551912A (en) * | 2021-04-28 | 2021-10-26 | 浙江和夏科技股份有限公司 | Engine EGR exhaust gas circulation test system |
| CN113281051A (en) * | 2021-06-20 | 2021-08-20 | 昆明理工大学 | Engine infrared heat flow three-dimensional visual air passage flow stabilization experiment table and test method |
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