The results show that, as important components of electronic injector used in common rail system, orifices affect on the open rate of nozzle needle and injection rate shapes. 结果表明:节流孔板是电控共轨喷油器的重要构成部分,既控制着喷油嘴针阀的开启速度,又控制着喷油率的形状。
Effect of High-pressure Ammonium Carbamate Injector Nozzle Cracking on System 高压甲铵喷射器喷嘴呲裂对系统的影响分析
A Study on the Mechanism of Cavitation in Diesel Injector Nozzle 柴油机喷油器喷孔内空化效应机理的研究
The Numerical Simulation Study on Cavitation Flow in a Diesel Engine Injector Nozzle 柴油机喷油嘴内空穴流动数值模拟研究
The service condition of diesel injector nozzle is introduced, the failure reasons of diesel injector nozzle are mainly analyzed, the quality of diesel injector nozzle is improved and the useful life way of diesel injector nozzle is extended. 摘要介绍了喷油嘴偶件的服役条件,分析了喷油嘴偶件失效的原因,对提高喷油嘴偶件质量和延长喷油嘴偶件使用寿命的途径进行了探讨。
The numerical simulation of the injector of atmospheric gas burner is carried out using software FLUENT, and the relationship between nozzle position and primary air coefficient is obtained. 采用FLUENT软件对大气式燃气燃烧器的引射器进行数值模拟,得出喷嘴位置与一次空气系数的关系。
In the light of an injector nozzle plug, the injector can not be used secondly. 借助注射器筒口塞的作用,使注射器无法二次使用。
The FAI which is developed on the basis of linear electromagnetic pump has been successfully used on 4-stroke motorcycles, with its important breakthrough featuring that the FAI injector can realize the functions of fuel pump, pressure regulator and nozzle which are equipped in the conventional EFI system. 以直线电磁泵为基础的FAI技术已经成功地应用在四冲程摩托车上,最大的突破在于FAI喷油器能够实现传统电喷系统中油泵、调压器和喷油嘴3个部件的功能。
Analytical results show that with this calculation method, the flow phenomenon inside the injector nozzle can be actually visualized, also provide supports for nozzle dynamic calculation and combustion chamber calculation. 分析表明,通过本方法不但真实地显示了喷油嘴内的流动现象,而且为喷油嘴内部的动态计算以及燃烧室计算奠定了基础。
In the diesel engine in which two charge exchange valves are used and the injector is leaned, one of important things in combustion system study is to improve flow uniformity among holes in the injector nozzle. 特别是对于每缸2气门喷油器偏置结构的发动机,燃烧系统开发的一项重要内容是提高喷油嘴各孔流量的均匀性。
A new method of spray angle adjustment for pressure atomizing fuel injector with a Laval nozzle 具有拉伐尔喷口的离心喷嘴雾化锥角调整方法
An Economical Analysis between Pumping with Exhaust Blower and Injecting with Injector to Establish Engine Nozzle Conditions 抽气机抽气与引射器引气建立发动机喷口环境条件的经济分析
Failure form of diesel injector nozzle 柴油机喷油嘴偶件的失效形式
It can ensure monitoring fuel flow promptly and effectively during the manufacturing process of injector nozzle matching parts. 它对喷油嘴偶件在加工过程中的流量情况能及时有效地监控。
Application of Three Dimensional Flow Simulation in Diesel Engine Injector Nozzle 三维流场数值模拟在柴油机喷油嘴中的应用
The Study on Injector Nozzle Cavitation Atomization in a Diesel Engine 柴油机喷油器喷孔空泡雾化的研究
The static pressure in the gas solid injector will decrease with an increase in the gas nozzle distance S and increase with an increase in convergent angle ɑ. 气固喷射器内静压随气体喷嘴位置S的增大而减小,而随收缩角α的增大而有所提高。
The influence of structure factor of pressurized-swirl injector nozzle on hollow cone spray was studied by using MIXTURE dual phase flow numeric simulation method. 采用MIXTURE双相流数值模拟的方法研究压力涡流喷嘴结构因素对形成中空锥喷雾的影响。
A Study on The Air-Assisted Fuel Flow Metering for Injector Nozzle ( I) 探讨喷油嘴流量气测法的实施(上)
Numerical Analysis of the Two-Phase Flow inside the Injector Nozzle for DI Diesel Engine 直喷式柴油机喷油嘴内的两相流数值分析
Single cylinder calculation method is established, the correctness of the calculation method is verified through test values from the test bed, and the specification of injector nozzle is determined by use of the single cylinder calculation method. 建立单缸计算模型,通过台架测试数据验证了模型的正确性,并利用单缸计算模型计算确定发动机喷油嘴规格。
By examining the methods for fuel injection rate at home and abroad, most of them apply to an injector can not measure the fuel injection rate of a nozzle directly and accurately. 通过对国内外的喷油速率测量方法的考察,大多仅适用于喷油器整体而不能实现对喷孔喷油速率直接且精确的测量。
With the increase of injection pressure, the cavitation occurs easily in an injector nozzle. 随着喷射压力的升高,喷油嘴内部燃油流动容易产生空穴。
The injector is composed of nozzle and many other components, which is one of the most important parts that decide the performance of the engine. The performance directly affects the economy, power performance and emission behavior. 喷油器总成由喷油嘴和喷油器各零件组成,是决定发动机性能的重要部件之一;其性能好坏直接影响发动机的经济性、动力性和排放性。
It is discovered that lager swirl ratio and smaller injector nozzle tends to promote the movement of the in-cylinder charge, extend the high-temperature region and reduce soot emissions. While at the same time NOx emissions were increased. 此外,增大涡流比和减小喷孔直径有利于提高缸内气流运动速度、扩大高温区域,降低碳烟排放,但使NOx排放升高。
In the same advanced injector crack angle ( 11oCA and 13oCA), the maximum in-cylinder combustion pressure decreases, then goes up, and finally declines with the nozzle diameter increases. 在相同喷油提前角(11oCA和13oCA)下,缸内最高燃烧压力随着喷孔直径的增大先降低,再升高,最后又降低;缸内NOX的排放量随着喷孔直径的增大而减少。
The spray characteristic is closely related to the fuel flow in an injector nozzle. 喷雾特性与喷油嘴内部的燃油流动密切相关。