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homogeneous mixture
相关语句
  均匀混合气
    Combustion efficiency of three types of injection modes and homogeneous mixture combustion are analyzed over the wide range of equivalence ratio.
    在宽广的当量比范围内 ,分析了三种燃料喷射方式下和均匀混合气燃烧时的燃烧效率。
短句来源
    Obvious loss of combustion efficiency occurs when <0.2 and >0.9.For homogeneous mixture combustion,high combustion efficiency is found when >0.7 and large reduction of combustion efficiency occurs when <0.7 due to the higher unburned methane caused by bulk quenching.
    在当量比小于 0 .2和大于 0 .9时 ,由于 CO的原因 ,使燃烧效率降低。 均匀混合气燃烧时 ,燃烧效率在当量比大于 0 .7时较高 ,而当量比小于 0 .7时 ,由于很高的未燃甲烷的生成使燃烧效率损失较大。
短句来源
    Fuel injection maintains high combustion efficiency over the wide range of equivalence ratio compared with that of homogeneous mixture combustion.
    燃料喷射燃烧与均匀混合气燃烧相比 ,维持高燃烧效率的当量比范围宽。
短句来源
    Unburned hydrocarbon would increase over a wide range of equivalent ratio, shortening the time interval between injection timing and ignition timing can decrease the value to that of homogeneous mixture combustion.
    与均匀混合气燃烧相比 ,碳氢的排放增加 ,缩短喷射时刻与点火时刻的时间差可达到均匀混合气燃烧时相同的排放量 .
短句来源
  均质混合气
    Homogeneous Mixture Formation for HCCI of Diesel Engine
    柴油机HCCI燃烧的均质混合气制备
短句来源
    Homogeneous Charge Compression Ignition (HCCI) has the potential to significantly reduce NO_x and smoke emissions simultaneously, while achieving high efficiency. The difficulties of homogeneous mixture preparation and combustion control are the key problems for diesel HCCI combustion.
    均质压缩燃烧(Homogeneous Charge Compression Ignition, HCCI)技术具有高效和同时降低NOx和碳烟排放的潜力,均质混合气的制备和燃烧过程的有效控制一直是柴油HCCI燃烧研究的关键问题。
短句来源
    Combustion Characteristics and Soot Formation in Compression Ignition. Gasoline Engine Fueled with Homogeneous Mixture
    均质混合气压燃汽油机燃烧特性和碳烟的生成
短句来源
    Effects of Combustion Chamber and Nozzle on Homogeneous Mixture Formation
    燃烧室和喷嘴对均质混合气形成的影响
短句来源
    The testing results on engine bed show that the effects of these factors on engine emissions are obvious. In the homogeneous mixture combustion, α and spark timing are crucial for engine emissions, while the engine emissions are affected indirectly by the other factors through α and spark timing.
    试验结果表明:上述因素对发动机排放都具有明显的影响,但在均质混合气燃烧过程中,空燃比和点大提前角是影响发动机排放的最主要因素,而其它因素则是通过影响空燃比或点火提前角来间接地影响发动机的排放。
短句来源
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  “homogeneous mixture”译为未确定词的双语例句
    Study of the Influencing Parameters on Smoke and NO_x Emissions from Diesel Engine with Ethanol Homogeneous Mixture Ignited by Diesel Fuel
    进气预混乙醇对柴油机碳烟与NO_x排放的影响参数研究
短句来源
    A program for diesel HCCI cycle simulation was developed, in order to understand the effects of NVO on the formation of homogeneous mixture and the combustion process.
    在理论研究的基础上,以单缸柴油机为基础进行了电控可变进排气门正时系统、外部冷却EGR系统和电控高压共轨燃油喷射系统的设计研制,完成了柴油HCCI燃烧试验样机的开发。
短句来源
    In four valve spark ignition engines,tumble motion in the cylinder is required to be intensified in order to improve combustion process in general homogeneous mixture combustion system or to stratify the air fuel mixture in lean burn combustion system.
    在四气门汽油机中,运用滚流运动组织快速燃烧过程或混合气分层稀燃过程,都需要提高滚流强度。
短句来源
    The heat release rate and the rate of pressure rise in the case of fuel injection combustion has the high value and finishes early compared with that of the homogeneous mixture combustion.
    喷射方式与均相混合气相比 ,燃烧放热率快 ,压力升高率大。
短句来源
    By means of the particle image velocimetry (PIV) technology to the experiment on the 2135 Diesel Engine driven by outer power, under the condition of no changes on the relevant parts' position and dimension in the chamber, it is found out that the shape of the chamber can hardly control the strong current from the intake duct. Meanwhile, the swirl velocity differs greatly in the planar slices, which is result in difficulty to get a homogeneous mixture of the air and fuel.
    应用PIV技术,在2135柴油机(倒拖)试验中发现:在不改变与燃烧室相关的部件位置和尺寸下,由螺旋进气道形成的强大惯性流很难被燃烧室形状左右,其在水平截面上的刚性涡流场中气体运动的速度差很大,如此不可能得到与燃油的均匀混合。
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  homogeneous mixture
The behavior of a discontinuity in flow gradients at the head of a disturbance propagating through a homogeneous mixture of gas and small dust particles has been studied.
      
However, the concentration of the homogeneous mixture varied as a function of the magnetic field strength.
      
The catalysts were prepared by the calcination of a homogeneous mixture of Bi2O3, V2O5, and Sb2O3 obtained by ball-milling adequate amounts of the three oxides.
      
Thereby we construct a correct closed model for describing the motion of a homogeneous mixture, because the effective coefficients of the averaged equations are uniquely expressed in terms of the H-measure.
      
It is established that a homogeneous mixture is obtained after mixing the components in a double-shaft vibromixer.
      
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A single cyclinder, four-stroke spark-ignition experimental engine is modified into a compression ignition engine, which operates on homogeneous mixture. Based on a vast amount of experiments, it is proved that the practical application of homogeneous mixture to the compression ignition engine is possible technologically. Using a combustion model some problems such as: the relationship between ignition delay and fuel concentration, the relationship between soot concentration and the equivalent ratio...

A single cyclinder, four-stroke spark-ignition experimental engine is modified into a compression ignition engine, which operates on homogeneous mixture. Based on a vast amount of experiments, it is proved that the practical application of homogeneous mixture to the compression ignition engine is possible technologically. Using a combustion model some problems such as: the relationship between ignition delay and fuel concentration, the relationship between soot concentration and the equivalent ratio of mixture have been helped forward on further investigation in combustion and soot formation in diesel engine.

作者将一台单缸四冲程试验用汽油机改造成均质混合气压燃点火发动机。在大量试验的基础上,证明柴油均质混合气压燃点火在技术上可以实现。利用该燃烧模型进一步研究柴油机的燃烧和碳烟生成中的一些问题:如点火延迟时间与混合气浓度的关系,排气中的碳烟浓度与混合气油气当量比的关系。

The effects of air-fuel ratio (α ), spark timing, fuel injection interval, lhel injection timing, intake manifold and engine load on engine exhaust emissions have been investigated in this paper. The testing results on engine bed show that the effects of these factors on engine emissions are obvious. In the homogeneous mixture combustion, α and spark timing are crucial for engine emissions, while the engine emissions are affected indirectly by the other factors through α and spark timing.

研究了电控单点汽油喷射发动机中空燃比、点火正时、喷油间隔、喷油定时、进气系统和发动机的负荷对排放的影响。试验结果表明:上述因素对发动机排放都具有明显的影响,但在均质混合气燃烧过程中,空燃比和点大提前角是影响发动机排放的最主要因素,而其它因素则是通过影响空燃比或点火提前角来间接地影响发动机的排放。

In four valve spark ignition engines,tumble motion in the cylinder is required to be intensified in order to improve combustion process in general homogeneous mixture combustion system or to stratify the air fuel mixture in lean burn combustion system.In this paper,the formation of tumble motion in the cylinder of a single cylinder four valve gasoline engine was studied by using LDA measurement,and the cause to increase tumble...

In four valve spark ignition engines,tumble motion in the cylinder is required to be intensified in order to improve combustion process in general homogeneous mixture combustion system or to stratify the air fuel mixture in lean burn combustion system.In this paper,the formation of tumble motion in the cylinder of a single cylinder four valve gasoline engine was studied by using LDA measurement,and the cause to increase tumble intensity was analyzed.In addition,the effects of configuration of inlet ports and the shields of side chamber wall around the two inlet valves on tumble intensity was tested.The results show that in the formation process of tumble during the intake stroke,two vortexes are generated in the cylinder.During the early period of compression stroke with piston upward moving and inlet valve closing,a single vortex,i.e.tumble,is evovled into.Tumble intensity can be increased by means of enhancing inlet flow into the cylinder along the roof chamber wall on the side of exhaust valves or of blocking inlet flow directly into the cylinder along the cylinder wall.

在四气门汽油机中,运用滚流运动组织快速燃烧过程或混合气分层稀燃过程,都需要提高滚流强度。作者在一台单缸四气门汽油机上,通过 L D A 测量,研究了滚流的形成过程,提出了提高滚流强度的机理,并对进气道结构、燃烧室内进气门出口侧壁屏蔽对滚流运动强度的影响进行了初步研究。研究结果表明,在滚流形成过程中,缸内首先出现双涡旋结构,以后演变成为单涡旋结构的滚流运动。增加流经排气门侧的进气气流或抑制直接沿进气门侧缸壁流入气缸的气流,都能提高滚流强度。

 
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