CN103615331B - Suppress the method for rough combustion of dual-fuel engine - Google Patents
Suppress the method for rough combustion of dual-fuel engine Download PDFInfo
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 82
- 239000000446 fuel Substances 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000003502 gasoline Substances 0.000 claims abstract description 79
- 239000002283 diesel fuel Substances 0.000 claims abstract description 68
- 239000002828 fuel tank Substances 0.000 claims abstract description 19
- 239000007921 spray Substances 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 230000001629 suppression Effects 0.000 claims description 6
- 238000002347 injection Methods 0.000 abstract description 36
- 239000007924 injection Substances 0.000 abstract description 36
- 230000000630 rising effect Effects 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 6
- 239000003208 petroleum Substances 0.000 description 6
- 101100450563 Mus musculus Serpind1 gene Proteins 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 238000009838 combustion analysis Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000004071 soot Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The present invention provides a kind of method suppressing rough combustion of dual-fuel engine, comprises the quality that detection enters air by uptake; The work output of gasoline is controlled by gasoline ejector based on the first empty equivalence ratio of combustion and Air quality; And, to the gasoline of the fuel tank conveying respective spray amount of dual-fuel engine; The work output of diesel oil is controlled by diesel injector based on the 2nd empty equivalence ratio of combustion and Air quality; And, to the diesel oil of the fuel tank conveying respective spray amount of dual-fuel engine. The present invention is by gasoline ejector and diesel injector, control the injection pulse width of two kinds of oil throwers respectively, the gasoline concentration of gas-duct jetting and the diesel engine concentration of cylinder injection is changed by control, when realizing two benches combustion heat release, significantly reduce instantaneous combustion heat release speed, obtain low in-cylinder pressure rising rate, thus rough burning when effectively suppressing high loading in dual-fuel engine.
Description
Technical field
The present invention relates to technical field of internal combustion engines, especially a kind of method suppressing rough combustion of dual-fuel engine.
Background technology
In order to increase substantially the thermo-efficiency of petrol motor, improve the capacity usage ratio of Fuel Petroleum, within 2002, application person proposes a kind of diesel oil ignited (HCII of Gasoline homogenous charge, HomogeneousChargeInducedIgnition) combustion mode [1,2,3], this combustion mode uses the great two kinds of fuel of physics and chemistry characteristic difference simultaneously, uptake spurted into by superoctane fuel (such as gasoline), the air inlet and pressure stroke of engine fully mix with air, forms the gas mixture of homogeneous; High-cetane fuel (such as diesel oil) near compression top center to inner cylinder direct injection, involuntary ignition. HCII combustion mode uses the high compression ratio being similar to diesel engine. Meanwhile, the diesel oil multiple spot spontaneous combustion sprayed in cylinder, forms the fire area of big area, and the Gasoline homogenous charge igniting and having mixed, and combustion heat release speed is fast, the content height such as burning. Lighting a fire compared to the single-point of petrol motor, the multiple spot involuntary ignition of HCII pattern can reduce circulation fluctuation ratio greatly, is conducive to realizing rare combustion simultaneously. Test-results shows, the thermo-efficiency of combustion mode is significantly higher than petrol motor, it is possible to meet or exceed the level of diesel engine; Before catching fire, gasoline has formed uniform gas mixture, reduces the ratio of diffusion combustion, it is also possible to effectively reduce soot emissions. Wei Sikangxin university of U.S. Reitz in 2009 etc. propose vapour/diesel dual-fuel activity control pressure combustion (ReactivityControlledCompressionIgnition, RCCI) concept [4-6] burnt, by Fuel Petroleum is adopted gas-duct jetting, diesel oil adopts in-cylinder direct-jet, maximum mean effective pressure of burning can reach 1.3MPa, original soot and NOx emission can meet the requirement of Europe VI regulation, and thermo-efficiency has been up to 53%.
But, during the big load of dual-fuel engine, gasoline gas mixture is excessively dense, and pressure rising rate is too high, and burning is roughly, it is easy to damage engine. The method that the big load operation of suppression self-igniton engine conventional at present is rough has reduction engine compression ratio, postpones injection advance angle, it is to increase excess air ratio etc. Although these methods can alleviate the rough problem of burning of dual-fuel engine to a certain extent, but the dynamic property of engine, economy and discharge can be caused disadvantageous effect. Therefore, how to suppress big load to burn rough problem under the prerequisite keeping motor performance, it is a difficult problem during dual-fuel engine is developed.
Summary of the invention
(1) technical problem solved
It is an object of the invention to, a kind of method suppressing rough combustion of dual-fuel engine is provided, thus realize significantly reducing instantaneous combustion heat release speed when two benches burns, obtain low in-cylinder pressure rising rate, thus rough burning when effectively suppressing high loading in dual-fuel engine.
(2) technical scheme
For solving the problems of the technologies described above, the present invention provides a kind of method suppressing rough combustion of dual-fuel engine, comprising:
Detection enters the quality of air by uptake;
The work output of quality by gasoline ejector control gasoline of empty equivalence ratio and described air is fired based on first; And, to the gasoline of the fuel tank conveying respective spray amount of described dual-fuel engine;
The work output of quality by diesel injector control diesel oil of empty equivalence ratio and described air is fired based on the 2nd; And, to the diesel oil of the fuel tank conveying respective spray amount of described dual-fuel engine.
Wherein, the scope of the described first empty equivalence ratio of combustion is 0.3～0.7, and the scope of the described 2nd empty equivalence ratio of combustion is 0.1～0.3. Preferably, the described first empty equivalence ratio of combustion is 0.5, and the described 2nd empty equivalence ratio of combustion is 0.1.
Improve further as the present invention, also comprise during present method control gasoline work output: control gasoline output time.
Improve further as the present invention, also comprise during present method control diesel oil work output: control diesel oil output time.
Concrete, the scope of described diesel oil output time is-20 ° of CA～0 ° CAATDC. Preferably, described diesel oil output time is-5 ° of CAATDC.
(3) useful effect
It is different from background technology, the present invention is by intake port injection gasoline, cylinder injection diesel oil, by gasoline ejector and diesel injector, control the injection pulse width of two kinds of oil throwers respectively, the gasoline concentration (the first empty equivalence ratio of combustion) of gas-duct jetting and the diesel engine concentration (the 2nd empty equivalence ratio of combustion) of cylinder injection is changed by control, when realizing two benches combustion heat release, significantly reduce instantaneous combustion heat release speed, obtain low in-cylinder pressure rising rate, thus rough burning when effectively suppressing high loading in dual-fuel engine, while significantly suppressing the big load operation of dual-fuel engine rough, oil consumption improves. further, owing to engine structure not done any change, other modes are compared, it is possible to significantly reduce the production cost of engine.
Accompanying drawing explanation
Fig. 1 is dual-fuel engine structure schematic diagram in an embodiment of the present invention;
Fig. 2 is dual-fuel engine two benches combustion heat release rate in an embodiment of the present invention;
Heat release curve when Fig. 3 is that in an embodiment of the present invention, two benches burns;
The voltage rise rate of engine when Fig. 4 is that in an embodiment of the present invention, two benches burns;
Fig. 5 is dual-fuel engine part-structure figure in an embodiment of the present invention.
Label illustrates:
1 diesel oil tank; 2 diesel oil fuel consumption meters; 3 diesel injectors; 4 gasoline fuel tanks; 5 gasoline fuel consumption meters; 6 gasoline ejectors; 7 under meters; 8 air inlet buffer tanks; 9 smoke telegrams; 10 exhaust gas analyzers; 11 exhaust buffer tanks; 12 back pressure valves; 13 waste gas charge air coolers; 14EGR valve; 15 cylinder pressure sensors; 16 electric charges amplify devices; 17 jiaos of marks; 18 combustion analysis instrument; 19 dynamometer machines.
Embodiment
For making the object of the present invention, content and advantage clearly, below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail. Following examples are for illustration of the present invention, but are not used for limiting the scope of the invention.
The present invention provides a kind of dual-fuel engine to suppress rough method of burning, and comprising:
Detection enters the quality of air by uptake;
The work output of quality by gasoline ejector control gasoline of empty equivalence ratio and described air is fired based on first; And, to the gasoline of the fuel tank conveying respective spray amount of described dual-fuel engine;
The work output of quality by diesel injector control diesel oil of empty equivalence ratio and described air is fired based on the 2nd; And, to the diesel oil of the fuel tank conveying respective spray amount of described dual-fuel engine.
The principle of the present invention is: realizes two benches burning by changing the empty equivalence ratio of combustion of pre-mixing Fuel Petroleum (the first empty equivalence ratio of combustion) and direct injection diesel fuel (the 2nd empty equivalence ratio of combustion), suppresses to burn roughly. Its enforcement mode mainly carries air by uptake to dual-fuel engine, and the quality and the empty equivalence ratio of the first combustion and the 2nd based on air fires space amount than the gasoline and the diesel oil that spray respective spray amount respectively, the injection pulse width of two kinds of oil throwers is mainly controlled respectively by gasoline ejector and diesel injector, thus control the emitted dose of gasoline and diesel oil, realize two benches burning, suppress to burn roughly. Present embodiment is by intake port injection gasoline, cylinder injection diesel oil, wherein the emitted dose of gasoline and diesel oil is controlled by the injection pulse width of control gasoline ejector and diesel injector, the injection pulse width of two kinds of oil throwers is controlled respectively by gasoline ejector and diesel injector, thus control the emitted dose of gasoline and diesel oil, thus the empty equivalence ratio of the combustion changing pre-mixing Fuel Petroleum and direct injection diesel fuel, it is achieved two benches burns, and suppresses to burn roughly.
Wherein, the scope of the described first empty equivalence ratio of combustion is 0.3～0.7, and the scope of the described 2nd empty equivalence ratio of combustion is 0.1～0.3. The scope of described diesel oil output time is-20 ° of CA～0 ° CAATDC. Preferably, the described first empty equivalence ratio of combustion is 0.5, and the described 2nd empty equivalence ratio of combustion is 0.1, and described diesel oil output time is-5 ° of CAATDC.
The present invention is by the diesel engine concentration (the 2nd empty equivalence ratio of combustion) of the gasoline concentration (the first empty equivalence ratio of combustion) of control gas-duct jetting and cylinder injection, when realizing two benches combustion heat release, significantly reduce instantaneous combustion heat release speed, obtain low in-cylinder pressure rising rate, thus rough burning when effectively suppressing high loading in dual-fuel engine, while significantly suppressing the big load operation of dual-fuel engine rough, oil consumption improves. Further, owing to engine structure not done any change, other modes are compared, it is possible to significantly reduce the production cost of engine.
For the technical program can be understood better, present embodiment specifically sets forth, in conjunction with dual-fuel engine, the technique effect that the technical program brings, refer to Fig. 1, Fig. 1 provides a kind of dual-fuel engine, comprising: main control system, fuel tank, gasoline enter foxy old hand system, diesel oil feeding subsystem, air enter quantized system, described diesel oil feeding subsystem, gasoline enter foxy old hand system and air enters quantized system and is all electrically connected with described main control system.
Described main control system is used for monitoring and enters quantized system Air quality according to air and the first empty equivalence ratio of combustion calculates corresponding gasoline work output, and for calculating corresponding diesel oil work output based on described Air quality and the empty equivalence ratio of the 2nd combustion.
Described gasoline enters foxy old hand system and for regulating gasoline work output and enters, to described air, the gasoline that quantized system carries corresponding work output.
Described air enters quantized system and for delivery air and receives described gasoline and enter the gasoline of foxy old hand system based on the first empty equivalence ratio conveying respective spray amount of combustion, generate the first gas mixture of homogeneous based on described gasoline and air, and described first gas mixture is carried to fuel tank.
Described diesel oil feeding subsystem is for regulating diesel oil work output and carries the diesel oil of corresponding work output to described fuel tank. Described air enters quantized system, also for carrying air to described fuel tank.
Concrete, referring to Fig. 1, dual-fuel engine also comprises smoke telegram 9, exhaust gas analyzer 10, exhaust buffer tank 11, back pressure valve 12, waste gas charge air cooler 13, EGR valve 14, cylinder pressure sensor 15, electric charges amplify device 16, angle mark 17, measures the combustion analysis instrument 18 of combustion parameter and dynamometer machine 19. In the present invention, uptake is air and enters dual-fuel engine pipeline, in the present embodiment, is under meter 7 and the connecting pipe of air inlet buffer tank 8 and fuel tank.
Diesel oil feeding subsystem comprises: the diesel oil fuel consumption meter 2 that diesel oil tank 1 is connected to diesel oil tank 1 delivery port and for regulating diesel oil work output and spray the diesel injector 3 of corresponding work output diesel oil, the input aperture of described diesel injector 3 is connected with the delivery port of diesel oil fuel consumption meter 2, and the delivery port of diesel injector 3 is connected with the first input aperture of fuel tank.
Gasoline enters foxy old hand system and comprises: the gasoline fuel consumption meter 5 that gasoline fuel tank 4 connects to gasoline fuel tank 4 delivery port and for regulating gasoline work output and spray the gasoline ejector 6 of corresponding work output gasoline, the input aperture of described gasoline ejector 6 is connected with the delivery port of gasoline fuel consumption meter 5, and the delivery port of gasoline ejector 6 is connected with the delivery port of air inlet buffer tank 8.
Air enters quantized system and comprises: measures and controls the under meter 7 that air enters amount and the air inlet buffer tank 8 being connected with described under meter 7 delivery port.
Present embodiment is by intake port injection gasoline, cylinder injection diesel oil, wherein the emitted dose of gasoline and diesel oil is controlled by the injection pulse width of control gasoline ejector and diesel injector, controlled the injection pulse width of two kinds of oil throwers by gasoline ejector and diesel injector respectively, thus control the emitted dose of gasoline and diesel oil.
The principle of the present invention is: realizes two benches burning by changing the empty equivalence ratio of combustion of pre-mixing Fuel Petroleum (the first empty equivalence ratio of combustion) and direct injection diesel fuel (the 2nd empty equivalence ratio of combustion), suppresses to burn roughly. Its enforcement mode mainly carries air by uptake to dual-fuel engine, and based on the quality of air and the gasoline of the empty equivalence ratio acquisition respective spray amount of the first combustion, and based on the quality of air and the diesel oil of the empty equivalence ratio acquisition respective spray amount of the 2nd combustion, and the injection pulse width of two kinds of oil throwers is controlled respectively by gasoline ejector and diesel injector, thus control the emitted dose of gasoline and diesel oil, realize two benches burning, suppress to burn roughly.
The implementation method of present embodiment is: carry a certain amount of air by uptake to dual-fuel engine, in dual-fuel engine runs to during high loading, gasoline and the diesel oil of respective spray amount is obtained based on the first empty equivalence ratio of combustion and the empty equivalence ratio of the 2nd combustion, and the injection pulse width of two kinds of oil throwers is controlled respectively by gasoline ejector and diesel injector, thus control the emitted dose of gasoline and diesel oil, change the concentration of pre-mixed fuel or direct injection fuel, thus change spontaneous combustion moment and the combustionvelocity of pre-mixed fuel, its exothermic process is separated with direct injection fuel exothermic process but total rate of heat release was unlikely to delay again. form that two rate of heat releases as shown in Figure 2 are very fast but nonoverlapping exothermic peak.Thus effectively reduce pressure rising rate when double fuel burns. When diesel oil concentration is excessive, also two exothermic peaks can be gone out, but its essence is completely different from the two benches heat release of double fuel, therefore diesel oil combustion space amount in the method is lower, concrete, the scope of the described first empty equivalence ratio of combustion is 0.3～0.7, and the scope of the described 2nd empty equivalence ratio of combustion is 0.1～0.3. Preferably, the described first empty equivalence ratio of combustion is 0.5, and the described 2nd empty equivalence ratio of combustion is 0.1. The present invention is by intake port injection gasoline, cylinder injection diesel oil, by gasoline ejector and diesel injector, controls the injection pulse width of two kinds of oil throwers respectively, by changing the combustion of pre-mixing Fuel Petroleum and direct injection diesel fuel, empty equivalence ratio realizes two benches burning, suppresses to burn roughly.
Described main control system, also for entering foxy old hand system, diesel oil feeding subsystem sending controling instruction to gasoline, enters foxy old hand system, the gasoline output time of diesel oil feeding subsystem, diesel oil output time to control gasoline respectively. Concrete, the scope of described diesel oil output time is-20 ° of CA～0 ° CAATDC. Preferably, described diesel oil output time is-5 ° of CAATDC.
In the present embodiment, dual-fuel engine parameter is as shown in table 1. Gasoline adopts uptake electric-controlled injection method, and emitted dose and time for spraying are all adjustable, and injection oil pressure is 0.3MPa. Drawing combustion diesel fuel and use Electrocontrolled high-pressure injection system, the spraying pressure of diesel oil, fuel charge, time for spraying, injecting times all can flexible. Fuel tank pressure gathers and rate of heat release analysis uses AVLindicom621 type combustion analysis instrument, for detecting the rough degree of burning, when burning rough, postpones diesel oil output time. Normally gaseous Emission measurement uses M260747 gasoline and diesel dual-purpose tail-gas analyzer and AVLFTIR multicomponent analysis instrument. Soot emissions is measured and is used FBY-2 auto smokemeter.
Table 1 engine parameter
| Cylinder diameter | 83.1mm |
| Stroke | 92mm |
| Displacement per cylinder | 0.5L |
| Compression ratio | 16.7 |
| Diesel injection system | High-pressure common rail |
| Gasoline injection system | Low pressure common rail system |
| Swirl ratio | 1.7 |
Refer to Fig. 3-5, Fig. 5 is the structure iron of present embodiment dual-fuel engine at fuel tank input aperture place, it may be seen that the uptake that present embodiment uses sprays the mode of gasoline and in-cylinder direct-jet diesel oil, achieve dual-fuel engine two benches combustion heat release by these two kinds of modes. Diesel oil oil injection time controls at-5 ° of CAATDC, and diesel common rail pressure is 80MPa, and intake pressure is 0.1MPa, without EGR. The concentration of adjustment two kinds of fuel, firing empty equivalence ratio at diesel oil is 0.1, gasoline combustion empty equivalence ratio achieves two benches burning when being 0.5, rate of heat release is as shown in Figure 3, when two benches burns, the voltage rise rate of engine is as shown in Figure 4, peak pressure rising rate is 0.6MPa/ (°) CA only, and circulation fluctuation is 2%. The exhaust smoke that application AVL439 smoke telegram measurement obtains is 0.015/m, and NOx ratio discharge in conventional gas discharge aspect is that 10g/ (kW.h), THC are than discharging as 10g/ (kW.h), CO are than discharging as 10g/ (kW.h). Efficiency of combustion is 0.95, and indicated thermal efficiency is 0.41. Comparing single phase burning (voltage rise rate 1.0MPa/ (°) CA, thermo-efficiency 38%), voltage rise rate is low, thermo-efficiency height.
Present embodiment passes through the gasoline concentration of control gas-duct jetting and the diesel engine concentration of cylinder injection, when realizing two benches combustion heat release, significantly reduce instantaneous combustion heat release speed, obtain low in-cylinder pressure rising rate, thus rough burning when effectively suppressing high loading in dual-fuel engine, while significantly suppressing the big load operation of dual-fuel engine rough, oil consumption improves.Further, owing to engine structure not done any change, other modes are compared, it is possible to significantly reduce the production cost of engine.
In sum, it is possible to draw the advantage of the present invention:
(1) under same load, relative to single phase exothermic combustion, the control method that the present invention uses can obviously reduce the peak value of the pressure rising rate of HCII engine, and HCII engine reliability is significantly improved. NOx emission also decreases.
(2) thermo-efficiency height, compared to quick single phase heat release, indicated thermal efficiency improves 1～3 percentage point.
(3) owing to whole firing system not being carried out structural amendment, its implementation cost is lower.
(4) change etc. put heat into approximate isobaric heat release, are conducive to the large load operation scope of dual-fuel engine to expand.
The foregoing is only embodiments of the invention; not thereby the patent scope of the present invention is limited; every utilize specification sheets of the present invention and accompanying drawing content to do equivalent structure or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all it is included in the scope of patent protection of the present invention with reason.
Claims (6)
1. one kind is suppressed the method for rough combustion of dual-fuel engine, it is characterised in that, comprising:
Detection enters the quality of air by uptake;
The work output of gasoline is controlled by gasoline ejector based on the first empty equivalence ratio of combustion and described Air quality; And, to the gasoline of the fuel tank conveying respective spray amount of described dual-fuel engine;
The work output of diesel oil is controlled by diesel injector based on the 2nd empty equivalence ratio of combustion and described Air quality; And, to the diesel oil of the fuel tank conveying respective spray amount of described dual-fuel engine;
Realize two benches burning by controlling the empty equivalence ratio of the first combustion and the empty equivalence ratio of the 2nd combustion, suppress to burn roughly;
The scope of the described first empty equivalence ratio of combustion is 0.3～0.7, and the scope of the described 2nd empty equivalence ratio of combustion is 0.1～0.3.
2. the method for suppression rough combustion of dual-fuel engine according to claim 1, it is characterised in that: the described first empty equivalence ratio of combustion is 0.5, and the described 2nd empty equivalence ratio of combustion is 0.1.
3. the method for suppression rough combustion of dual-fuel engine according to the arbitrary item of claim 1 to 2, it is characterised in that, also comprise during control gasoline work output: control gasoline output time.
4. the method for suppression rough combustion of dual-fuel engine according to the arbitrary top of claim 1 to 2, it is characterised in that, also comprise during control diesel oil work output: control diesel oil output time.
5. the method for suppression rough combustion of dual-fuel engine according to claim 4, it is characterised in that: the scope of described diesel oil output time is-20 DEG C of A～0 DEG C AATDC.
6. the method for suppression rough combustion of dual-fuel engine according to claim 5, it is characterised in that, described diesel oil output time is-5 DEG C of AATDC.
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| CN105020038B (en) * | 2014-04-29 | 2017-10-27 | 长城汽车股份有限公司 | Progress control method, system and the vehicle of dual fuel engine |
| CN104033257B (en) * | 2014-06-27 | 2016-08-24 | 长城汽车股份有限公司 | The control method of dual fuel engine and system |
| CN106150732A (en) * | 2015-03-26 | 2016-11-23 | 长城汽车股份有限公司 | The control method of dual fuel engine, system and vehicle |
| CN110043379A (en) * | 2019-05-10 | 2019-07-23 | 重庆潍柴发动机有限公司 | A kind of controller for gas, system, method and controller |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603592A (en) * | 2004-11-19 | 2005-04-06 | 清华大学 | Method of controlling charge compression Ignition of direct spray type gasoline engine homogeneous |
| CN101571069A (en) * | 2009-06-08 | 2009-11-04 | 大连理工大学 | Dual-fuel combustion system for internal combustion engines |
| CN102278189A (en) * | 2011-04-28 | 2011-12-14 | 上海交通大学 | Direct injection engine with diesel-gasoline dual-fuel sequence combustion |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603592A (en) * | 2004-11-19 | 2005-04-06 | 清华大学 | Method of controlling charge compression Ignition of direct spray type gasoline engine homogeneous |
| CN101571069A (en) * | 2009-06-08 | 2009-11-04 | 大连理工大学 | Dual-fuel combustion system for internal combustion engines |
| CN102278189A (en) * | 2011-04-28 | 2011-12-14 | 上海交通大学 | Direct injection engine with diesel-gasoline dual-fuel sequence combustion |
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| Jae Hyung Lim;Reitz, R..high efficiency reactivity controlled compression ignition combustion with diesel and gasoline direct injection.《Proceedings of the Institution of Mechanical Engineers》.2012,第227卷(第1期),第17-30页. * |
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