variable swirl control system and its application in the direct injection gasoline engine

1、

new progress of gasoline direct injection engines' research and technical problems

缸内直喷式汽油机的研究进展及技术难点

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2、

an analysis on combustion characteristics of gasoline direct injection engine

缸内直喷式汽油机燃烧特性分析

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3、

the turbocharger and di gasoline engine was matched, and the combined operation line was drawn to analyze the efficiency of the turbocharger and gas flow characteristics of the turbine.

以新建立的模型为基础，对涡轮增压器与缸内直喷汽油机进行了匹配，绘制了发动机与涡轮的联合运行线，分析了涡轮增压器的效率和涡轮的通流量情况。

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4、

direct injection gasoline engines have been widely researched all over the world in recent years, due to their higher thermal efficiencies, lower fuel consumption and better cold-start performances.

缸内直喷汽油机以其高热效率、低油耗和冷启动性能好等优点而成为近年来的研究热点。

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5、

a perforated nozzle for spraying water from a hose or sprinkling can. study on the fuel injection rate of a multi-hole injector applied to a direct injection gasoline engine

莲蓬式喷嘴一种使水从管子或喷水壶里喷洒出来的有孔的喷嘴直喷汽油机多孔喷油器的喷油规律研究

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6、

to control the fuel air mixing process exactly and ensure the appropriate concentrations of the mixture around the spark plug are the core technical issue of gdi.

精确控制缸内直喷汽油机缸内的油气混合过程，保证点火时刻在火花塞附近形成适当浓度的混合气是缸内直喷汽油机的核心技术。

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7、

compared with conventional port fuel injection ( pfi) gasoline engine, gdi ( gasoline direct injection) engine has advantages of higher fuel economy.

缸内直喷汽油机在燃油经济性上比传统进气道喷射汽油机有明显的优势。

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8、

results have verified that this device managed to achieve the anticipated design object, and meet the request of the project.

通过试验验证了缸内直喷汽油机综合控制试验装置功能达到预期设计目标，满足了项目的需要。

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9、

gdi engine has different modes of operation and different control strategies indifferent conditions, which puts forward higher requirements for calibration.

直喷汽油机在不同的工况采用不同的工作模式，有不同的控制策略，对标定提出了更高的要求。

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10、

therefore, it is significant to investigate the spray characteristics of an injector for a gdi engine.

因此，开展直喷汽油机喷油器的喷雾特性研究是有意义的。

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11、

experimental study on in-cylinder flow and fuel/ air mixing in disi engines with variable valve actuation

可变气门驱动直喷汽油机缸内气流运动及燃油雾化混合的试验研究

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12、

development of ecu for bench experiment and research of engine start control for gasoline direct injection engine

直喷汽油机试验用电控单元开发及启动控制的研究

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13、

study on the fuel injection rate of a multi-hole injector applied to a direct injection gasoline engine

喷孔式喷油嘴喷雾器直喷汽油机多孔喷油器的喷油规律研究

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14、

electronic control system design and experiment research on lean combustion characteristics of gasoline direct injection engine

直喷汽油机电控系统设计及稀薄燃烧试验研究

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15、

study on improvement of part-load performance in a gdi engine using exhaust gas trap

利用废气滞留改善缸内直喷汽油机部分负荷性能的研究

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16、

affect factors on formation of deposit in gdi engine

影响直喷汽油机沉积物形成的因素分析

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17、

experimental research on knocking suppression using stratified stoichiometric mixture in a gdi engine

分层当量比混合气抑制缸内直喷汽油机爆震的试验研究

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18、

research on combustion system and spray characteristics of direct-injection sub-chamber gasoline engines

点火室式直喷汽油机燃烧系统及其喷雾特性研究

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19、

an improved spray model of high pressure swirl injector in gdi engine

一种改进的直喷汽油机涡旋喷油器油束模型

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20、

in this paper, we do the experimental research on a dual-vvt turbocharged direct-injection gasoline engine. the purpose is to find how the control parameters affect the knocking and other performance of the engine.

本文在一台双VVT涡轮增压缸内直喷汽油机上，通过试验研究了发动机控制参数对发动机爆震和油耗等性能的影响规律。

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