CN107806636A - Diesel engine vent gas simulation generator - Google Patents

Diesel engine vent gas simulation generator Download PDF

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Publication number
CN107806636A
CN107806636A CN201710899956.3A CN201710899956A CN107806636A CN 107806636 A CN107806636 A CN 107806636A CN 201710899956 A CN201710899956 A CN 201710899956A CN 107806636 A CN107806636 A CN 107806636A
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CN
China
Prior art keywords
diesel engine
combustion tube
frequency conversion
simulation generator
vent gas
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.)
Pending
Application number
CN201710899956.3A
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Chinese (zh)
Inventor
管斌
占日敬
林赫
李忠照
郑健
李友平
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Shanghai Jiaotong University
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Shanghai Jiaotong University
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Priority to CN201710899956.3A priority Critical patent/CN107806636A/en
Publication of CN107806636A publication Critical patent/CN107806636A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D11/00Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/24Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space by pressurisation of the fuel before a nozzle through which it is sprayed by a substantial pressure reduction into a space
    • F23D11/26Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space by pressurisation of the fuel before a nozzle through which it is sprayed by a substantial pressure reduction into a space with provision for varying the rate at which the fuel is sprayed
    • F23D11/28Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space by pressurisation of the fuel before a nozzle through which it is sprayed by a substantial pressure reduction into a space with provision for varying the rate at which the fuel is sprayed with flow-back of fuel at the burner, e.g. using by-pass
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D11/00Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/36Details, e.g. burner cooling means, noise reduction means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D11/00Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/36Details, e.g. burner cooling means, noise reduction means
    • F23D11/38Nozzles; Cleaning devices therefor
    • F23D11/383Nozzles; Cleaning devices therefor with swirl means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D11/00Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/36Details, e.g. burner cooling means, noise reduction means
    • F23D11/40Mixing tubes or chambers; Burner heads
    • F23D11/402Mixing chambers downstream of the nozzle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N1/00Regulating fuel supply
    • F23N1/02Regulating fuel supply conjointly with air supply
    • F23N1/022Regulating fuel supply conjointly with air supply using electronic means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N5/00Systems for controlling combustion
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Incineration Of Waste (AREA)

Abstract

A kind of tail gas simulation generator of technical field of internal combustion engines, including air cleaner, frequency conversion fan, orifice flowmeter, fuel injector, vortex device, guiding device, spark plug components, burning zone, dilution cooling component, bypass pipe etc., this new diesel engine vent gas simulation generator can be realized and the linear stable of the parameters such as the temperature of tail gas, flow, exhaust gas composition concentration is adjusted in a wide range, and then simulate real exhaust gas emission effect when diesel engine is run.In the present invention, based on this diesel engine vent gas simulation generator, can carry out testing diesel engine post-processing system device, including:Oxidation catalytic converter DOC, selective catalysis reductor SCR, particulate filter DPF etc..The present invention is reasonable in design, simple in construction, suitable for the optimization design of diesel oil drive end unit analogue means.

Description

Diesel engine vent gas simulation generator
Technical field
The present invention relates to a kind of diesel engine vent gas of technical field of internal combustion engines to post-process measuring technology, and in particular to one Kind of simulation diesel engine vent gas generating means, this device separately adjustable can produce the parameters such as the concentration of tail gas, temperature, flow.Can be with For testing diesel engine post-processing system, such as oxidation catalytic converter DOC, selective catalysis reductor SCR, particulate filter The single assemblies such as DPF are tested.After-treatment system integration testing can also be carried out such as:DOC+DPF+SCR.
Background technology
Increasingly strict motor vehicle exhaust emission regulation, it is desirable to the after-treatment device of higher efficiency more high-durability.In diesel oil Machine field, oxidation catalytic converter DOC are used to remove the hydrocarbon HC and carbon monoxide CO in tail gas, selective catalysis reduction Oxynitrides NOx, the particulate filter DPF that device SCR is used to remove in tail gas are used to remove the particle PM in tail gas.In state 6a Light vehicle is required in regulation, and discharge must be up to standard in 160,000km, requires light vehicle 200,000km in state's 6b regulations Interior discharge must be up to standard, and heavy vehicle is then required that in 700,000km discharge must be up to standard.Existing after-treatment system catalysis The test evaluation method of agent includes:Sample method of testing, engine pedestal method, vehicle road method.Sample method of testing is directed to newly The research and development of type catalyst, can quickly obtain the quality of catalyst formulation, but can not represent catalyst and be integrated into catalysis The actual effect of device.And engine pedestal method and vehicle road method can be carried out to catalyst converter, but it is costly, and time-consuming, meeting Consume substantial amounts of manpower and materials.And when testing diesel engine post-processing system, diesel engine vent gas simulation can be used to occur Device produces the tail gas similar to diesel engine, to oxidation catalytic converter DOC, selective catalysis reductor SCR, particle filtering Device DPF etc. test.Such a method is due to less without extra work, the energy of consumption.If using the method for quick aging, The substantial amounts of time can more be saved.Such as in gasoline engine field, SBC tapid aging cycles, Ke Yi great are used on engine pedestal It is big to reduce the testing time.Engine pedestal is not used and is used gasoline tail gas simulation generator to carry out SBC quick agings and is followed Ring, it can more save a large amount of energy consumptions.Therefore this set diesel engine vent gas simulation generator is proposed, to instead of diesel engine bench After-treatment system is tested.
Particle is directly imported by test system using electrical heating+helixes feed equipment in CN103410588B patents of invention In, to test the DPF in diesel engine post-processing system.This invention can not control NOx concentration in diesel engine vent gas. Dispensing tail gas simulation composition is carried out using Standard Gases in CN1032344758B patents of invention, cost is still higher.And in test Continuously high-speed SCR after-treatment devices can not be tested using Standard Gases.
The content of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, there is provided a kind of diesel engine vent gas simulation generator, Ke Yitong Cross the first frequency conversion fan and produce air mass flow needed for burning, produced by the second frequency conversion fan needed for the test of fc-specific test FC temperature Flow, the tail gas of specified temp particular flow rate is obtained by being controlled on bypass pipe, and cost is relatively low.
The present invention is achieved through the following technical solutions, and the present invention includes the first air cleaner, the second air mistake Filter, the first frequency conversion fan, the second frequency conversion fan, the first orifice flowmeter, fuel tank, fuel pump, oil pressure adjusting valve, diesel oil oil spout Device, vortex device, guiding device, spark plug components, the second orifice flowmeter, only combustion plate, heat exchange fin, two level necking, catch, One-level necking, electric control valve, bypass pipe, dilution cooling component, combustion tube mixing section, combustion tube burning zone, test lead, cooling Airduct, the first air cleaner are arranged in the air inlet pipe of the first frequency conversion fan, and the second air cleaner is arranged in the second frequency conversion In the air inlet pipe of blower fan, combustion tube is divided into two sections of combustion tube mixing section, combustion tube burning zone, and the air inlet of combustion tube and first become The gas outlet of frequency blower fan is connected, and combustion tube mixing section is arranged in the outside of dilution cooling component, and combustion tube burning zone is arranged in The inside of cooling component is diluted, the first orifice flowmeter, vortex device, guiding device, spark plug components are sequentially arranged in burning On pipe mixing section, the front portion that plate is arranged in combustion tube burning zone is only fired, two level necking is arranged in the afterbody of combustion tube burning zone, changed Hot fin is evenly arranged in the outer surface of combustion tube burning zone, and catch is evenly arranged in dilution cooling component, one-level necking cloth Put the afterbody in dilution cooling component;Four jacks are arranged in vortex device front end, and the rear end of vortex device is flaring structure, enlarging On be full of small sircle hole;Oil pressure adjusting valve is connected by oil return pipe with fuel tank, and the rear end of fuel pump is connected by oil pipe with fuel tank, combustion The front end of oil pump is connected by oil pipe with oil pressure adjusting valve, and diesel injector is connected by oil pipe with oil pressure adjusting valve;Two Diesel injector is arranged in the jack of vortex device front end two, and nitrogenous fuel injection is installed in the hole of vortex device front end the 3rd Device, the hole fitting machine oil ejector of vortex device front end the 4th;The gas outlet of the air inlet of cooling duct and the second frequency conversion fan It is connected, the gas outlet of cooling duct is connected with diluting the front end of cooling component;The inlet end of test lead and one-level necking Gas outlet be connected, the gas outlet of bypass pipe is connected with test lead, and electric control valve is arranged on bypass pipe.
Further, in the present invention, the jack of vortex device front end four is arranged for array, during the small sircle hole in enlarging is in Heart symmetric arrays.
Further, in the present invention, the first orifice flowmeter, the second orifice flowmeter are arranged in the straight tube of pipeline Section.
Further, in the present invention, the gas outlet of cooling duct passes through eccentric reducing tee and dilution cooling component It is connected.
Further, in the present invention, it is porous media structure only to fire plate, and thickness is between 10-50mm.
Further, in the present invention, two level necking first order necking angle is more than second level flaring angle;Catch Spacing is adjustable, and catch direction is inverse airflow direction 15-30 degree.
Compared with prior art, the present invention have the advantages that for:The present invention is reasonable in design, simple in construction;Can be with Air mass flow needed for burning is produced by the first frequency conversion fan, the test institute of fc-specific test FC temperature is produced by the second frequency conversion fan Flow is needed, the tail gas of specified temp particular flow rate is obtained by being controlled on bypass pipe, by adjusting wherein one on four fuel injectors To two additive sprays, reach the regulation to tail gas concentration components.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention;
Fig. 2 is vortex device structural representation of the present invention;
Wherein:1st, the first air cleaner, the 2, first frequency conversion fan, the 3, first orifice flowmeter, 4, fuel tank, 5, fuel oil Pump, 6, oil pressure adjusting valve, 7, fuel injector, 8, vortex device, 9, guiding device, 10, spark plug components, the 11, second air filtration Device, the 12, second frequency conversion fan, the 13, second orifice flowmeter, 14, only combustion plate, 15, heat exchange fin, 16, two level necking, 17, number Layer catch, 18, necking, 19, electric control valve, 20, bypass pipe, 21, dilution cooling component, 22, mixing section, 23, burning zone, 24, Test lead, 25, cooling duct.
Embodiment
Embodiments of the invention are elaborated below in conjunction with the accompanying drawings, the present embodiment is using technical solution of the present invention before Carry, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following embodiments.
Case study on implementation
As shown in Figure 1 to Figure 2, the present invention includes the first air cleaner 1, the second air cleaner 11, the first frequency conversion wind Machine 2, the second frequency conversion fan 12, the first orifice flowmeter 3, fuel tank 4, fuel pump 5, oil pressure adjusting valve 6, diesel injector 7, vortex Device 8, guiding device 9, spark plug components 10, the second orifice flowmeter 13, only combustion plate 14, heat exchange fin 15, two level necking 16, Catch 17, one-level necking 18, electric control valve 19, bypass pipe 20, dilution cooling component 21, combustion tube mixing section 22, combustion tube combustion Burn section 23, test lead 24, cooling duct 25.First air cleaner 1 is arranged in the air inlet pipe of the first frequency conversion fan 2, the Two air cleaners 11 are arranged in the air inlet pipe of the second frequency conversion fan 12, and combustion tube is divided into combustion tube mixing section 22, combustion tube 23 two sections of burning zone, the air inlet of combustion tube are connected with the gas outlet of the first frequency conversion fan 2, and combustion tube mixing section 22 is arranged in The outside of cooling component 21 is diluted, combustion tube burning zone 23 is arranged in the inside of dilution cooling component 21, the first orifice flowmeter 3rd, vortex device 8, guiding device 9, spark plug components 10 are sequentially arranged on combustion tube mixing section 22, are only fired plate 14 and are arranged in combustion The front portion of pipe burning zone 23 is burnt, two level necking 16 is arranged in the afterbody of combustion tube burning zone 23, and heat exchange fin 15 is evenly arranged in The outer surface of combustion tube burning zone 23, catch 17 are evenly arranged in dilution cooling component 21, and one-level necking 18 is arranged in dilution The afterbody of cooling component 21;Four jacks are arranged in the front end of vortex device 8, and the rear end of vortex device 8 is flaring structure, is opened in enlarging Full small sircle hole;Oil pressure adjusting valve 6 is connected by oil return pipe with fuel tank 4, and the rear end of fuel pump 5 is connected by oil pipe with fuel tank 4, combustion The front end of oil pump 5 is connected by oil pipe with oil pressure adjusting valve 6, and diesel injector 7 is connected by oil pipe with oil pressure adjusting valve 6; Two diesel injectors 7 are arranged in vortex device 8 front end two jack, and the hole installation of the front end of vortex device 8 the 3rd is nitrogenous Fuel injector, the hole fitting machine oil ejector of the front end of vortex device 8 the 4th;The air inlet of cooling duct 25 and the second frequency conversion wind The gas outlet of machine 12 is connected, and the gas outlet of cooling duct 25 is connected with diluting the front end of cooling component 21;Test lead 24 Inlet end be connected with the gas outlet of one-level necking 18, the gas outlet of bypass pipe 20 is connected with test lead 24, electrically-controlled valve Door 19 is arranged on bypass pipe 20.
In the course of work of the present invention, by the first frequency conversion fan 2 by air needed for burning diesel oil by the first air mistake Filter 1 is introduced, and the air mass flow of the first frequency conversion fan 2 introducing is measured by the first orifice flow 3.Fuel pump 5 is by diesel oil from oil Pumped out in case 4, charge oil pressure is adjusted by oil pressure adjusting valve 6, unnecessary diesel oil will return to fuel tank 4 by oil return pipe.Pass through tune The oil spout frequency and fuel injection pulsewidth for saving fuel injector 7 can control distributive value.Adjust the frequency of the first frequency conversion fan 2, can match with Spray diesel combustion required air quantity.
There are four nozzle opening slots on vortex device 8, in four nozzle openings, one of hole can carry out spraying nitrogenous combustion Material, to produce the NOx concentration needed for test;One hole can carry out injection machine oil, to produce PM concentration needed for test.Other holes Injection diesel oil is burnt, to produce temperature needed for test.The rear end of vortex device 8 is cone, and small sircle hole is full of on circular cone, empty Gas enters mixing section 22 from small sircle hole, and the spraying for forming vortex with fuel injector injection is mixed.
Gas mixture is further mixed through guiding device 9 in mixing section 22, mixes oil gas through spark plug group 10 Compound is lighted.Flame is reduced flame flow velocity, flame is stablized and burnt in burning zone 23 by only combustion plate 14.
Burning zone 23 manages outer arrangement heat exchange fin 15, burning zone 23 is carried out by the second frequency conversion fan 12 suction air cold But, increase the permanent seal cooling of burning zone, while cooling air is just preheated, avoid the loss of energy, the second orifice flowmeter 13 Cooling air delivery is measured.
Cooling air after preheating is mixed with the burning and gas-exhausting of burning zone 23 in hybrid chamber, mixing cavity wall arrangement Several layers of catch, to cause cooling air to be sufficiently mixed with burning and gas-exhausting, test lead 24 is entered by the first necking 18 after mixing.
The flow of test lead 24 can be adjusted by the electric control valve 19 on bypass pipe 20.Pass through electric control valve 19 Aperture, change bypass pipe 20 back pressure, so as to change the flow of test lead.
In summary, this diesel engine vent gas simulation generator can be by the frequency of two frequency conversion fans of regulation, with production The flow of the raw specified temp after the first necking 18.It can be adjusted and be obtained needed for the interior test of test lead 24 by bypass pipe 20 Specified temp particular flow rate.The amount of nitrogenous fuel is sprayed by adjusting, the NOx concentration needed for test lead's test can be adjusted; By adjusting the amount of injection machine oil, the PM concentration needed for test lead's test can be adjusted.And the parameter such as temperature, flow, concentration It can be adjusted with independent linearity.
Therefore, the present invention is applied to the various test experiments related to diesel engine vent gas, after diesel engine The performance test of the various environmental protecting devices of processing system, quick aging test.It can be obtained under few energy consumption on engine pedestal Test effect.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair The equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills Art field, is included within the scope of the present invention.

Claims (6)

1. a kind of diesel engine vent gas simulation generator, including the first air cleaner (1), the second air cleaner (11), One frequency conversion fan (2) and the second frequency conversion fan (12), the first air cleaner (1) are arranged in the air inlet of the first frequency conversion fan (2) Guan Shang, the second air cleaner (11) are arranged in the air inlet pipe of the second frequency conversion fan (12), it is characterised in that also including first Orifice flowmeter (3), fuel tank (4), fuel pump (5), oil pressure adjusting valve (6), diesel injector (7), vortex device (8), water conservancy diversion Device (9), spark plug components (10), only the second orifice flowmeter (13), combustion plate (14), heat exchange fin (15), two level necking (16), catch (17), one-level necking (18), electric control valve (19), bypass pipe (20), dilution cooling component (21), combustion tube mix Section (22), combustion tube burning zone (23), test lead (24), cooling duct (25) are closed, combustion tube is divided into combustion tube mixing section (22), (23) two sections of combustion tube burning zone, the air inlet of combustion tube is connected with the gas outlet of the first frequency conversion fan (2), burning Pipe mixing section (22) is arranged in the outside of dilution cooling component (21), and combustion tube burning zone (23) is arranged in dilution cooling component (21) inside, the first orifice flowmeter (3), vortex device (8), guiding device (9), spark plug components (10) are sequentially arranged in On combustion tube mixing section (22), the front portion that plate (14) is arranged in combustion tube burning zone (23) is only fired, two level necking (16) is arranged in The afterbody of combustion tube burning zone (23), heat exchange fin (15) are evenly arranged in the outer surface of combustion tube burning zone (23), catch (17) it is evenly arranged in dilution cooling component (21), one-level necking (18) is arranged in the afterbody of dilution cooling component (21);Whirlpool Flow device (8) front end and arrange four jacks, the rear end of vortex device (8) is flaring structure, and small sircle hole is full of in enlarging;Oil pressure is adjusted Section valve (6) is connected by oil return pipe with fuel tank (4), and the rear end of fuel pump (5) is connected by oil pipe with fuel tank (4), fuel pump (5) Front end be connected by oil pipe with oil pressure adjusting valve (6), diesel injector (7) is connected by oil pipe with oil pressure adjusting valve (6); Two diesel injectors (7) are arranged in vortex device (8) front end two jack, the Kong An of vortex device (8) front end the 3rd Fill nitrogenous fuel injector, the hole fitting machine oil ejector of vortex device (8) front end the 4th;The air inlet of cooling duct (25) with The gas outlet of second frequency conversion fan (12) is connected, the gas outlet of cooling duct (25) and the front end phase of dilution cooling component (21) Connection;The inlet end of test lead (24) is connected with the gas outlet of one-level necking (18), the gas outlet of bypass pipe (20) and survey Examination supervisor (24) is connected, and electric control valve (19) is arranged on bypass pipe (20).
2. diesel engine vent gas simulation generator according to claim 1, it is characterised in that vortex device (8) front end four Individual jack is array arrangement, and the small sircle hole in enlarging is centrosymmetric arrangement.
3. diesel engine vent gas simulation generator according to claim 2, it is characterised in that the first orifice flowmeter (3), Second orifice flowmeter (13) is arranged in the straight length of pipeline.
4. diesel engine vent gas simulation generator according to claim 3, it is characterised in that the outlet of cooling duct (25) Mouth is connected by eccentric reducing tee with dilution cooling component (21).
5. diesel engine vent gas simulation generator according to claim 4, it is characterised in that it is porous Jie only to fire plate (14) Matter structure, thickness is between 10-50mm.
6. diesel engine vent gas simulation generator according to claim 5, it is characterised in that two level necking (16) first order Necking angle is more than second level flaring angle;The spacing of catch (17) is adjustable, and catch (17) direction is inverse airflow direction 15-30 Degree.
CN201710899956.3A 2017-09-28 2017-09-28 Diesel engine vent gas simulation generator Pending CN107806636A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710899956.3A CN107806636A (en) 2017-09-28 2017-09-28 Diesel engine vent gas simulation generator

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Application Number Priority Date Filing Date Title
CN201710899956.3A CN107806636A (en) 2017-09-28 2017-09-28 Diesel engine vent gas simulation generator

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Publication Number Publication Date
CN107806636A true CN107806636A (en) 2018-03-16

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110318896A (en) * 2018-03-29 2019-10-11 丰田自动车株式会社 The control device and method of internal combustion engine
CN110469436A (en) * 2019-09-24 2019-11-19 周贤锋 A kind of induction system of internal combustion engine
CN113624906A (en) * 2021-06-21 2021-11-09 中国矿业大学 Zero-loss detection system and method for combustion particles and harmful gas
CN113864031A (en) * 2021-10-28 2021-12-31 威海海洋职业学院 Vehicle tail gas simulation generating device
CN114137164A (en) * 2021-12-06 2022-03-04 安徽庆宇光电科技有限公司 Jet pipe structure and motor vehicle tail gas remote sensing monitoring facilities

Citations (5)

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EP0067545A2 (en) * 1981-05-20 1982-12-22 Ford Motor Company Limited Method and apparatus for monitoring combustion systems
CN1539070A (en) * 2001-08-06 2004-10-20 西南研究会 Method and apparatus for testing catalytic converter durability
CN103018051A (en) * 2011-09-21 2013-04-03 通用汽车环球科技运作有限责任公司 Method and system for simulating various engine operating conditions to evaluate engine emissions test equipment
CN106679982A (en) * 2017-02-26 2017-05-17 上海倍绿环保科技有限公司 Test bed device based on diesel engine after-treatment system performance test of combustor
CN106979055A (en) * 2015-10-06 2017-07-25 通用汽车环球科技运作有限责任公司 Method for testing the correct function of selective catalytic reduction system operating

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Publication number Priority date Publication date Assignee Title
EP0067545A2 (en) * 1981-05-20 1982-12-22 Ford Motor Company Limited Method and apparatus for monitoring combustion systems
CN1539070A (en) * 2001-08-06 2004-10-20 西南研究会 Method and apparatus for testing catalytic converter durability
CN103018051A (en) * 2011-09-21 2013-04-03 通用汽车环球科技运作有限责任公司 Method and system for simulating various engine operating conditions to evaluate engine emissions test equipment
CN106979055A (en) * 2015-10-06 2017-07-25 通用汽车环球科技运作有限责任公司 Method for testing the correct function of selective catalytic reduction system operating
CN106679982A (en) * 2017-02-26 2017-05-17 上海倍绿环保科技有限公司 Test bed device based on diesel engine after-treatment system performance test of combustor

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110318896A (en) * 2018-03-29 2019-10-11 丰田自动车株式会社 The control device and method of internal combustion engine
CN110318896B (en) * 2018-03-29 2022-07-22 丰田自动车株式会社 Control device and method for internal combustion engine
CN110469436A (en) * 2019-09-24 2019-11-19 周贤锋 A kind of induction system of internal combustion engine
CN113624906A (en) * 2021-06-21 2021-11-09 中国矿业大学 Zero-loss detection system and method for combustion particles and harmful gas
CN113624906B (en) * 2021-06-21 2022-07-26 中国矿业大学 Zero-loss detection system and method for combustion particles and harmful gases
CN113864031A (en) * 2021-10-28 2021-12-31 威海海洋职业学院 Vehicle tail gas simulation generating device
CN113864031B (en) * 2021-10-28 2023-03-14 威海海洋职业学院 Vehicle tail gas simulation generating device
CN114137164A (en) * 2021-12-06 2022-03-04 安徽庆宇光电科技有限公司 Jet pipe structure and motor vehicle tail gas remote sensing monitoring facilities
CN114137164B (en) * 2021-12-06 2023-12-19 安徽庆宇光电科技有限公司 Air jet pipe structure and motor vehicle tail gas remote sensing monitoring equipment

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