进气门

应用三维CFD计算发动机进气门流量系数

Utilizing 3D CFD to Calculate ICE Inlet Valve Flow Coefficient

在porsche跑车中，进气门处于打开状态时，燃油将喷射到进气管中。

In Porsche sports cars , fuel is injected into the intake manifold while the intake valves are open .

在MATLAB／Simulink中建立了电磁驱动进气门的工作模型，通过动态仿真修正了初始设计方案，并研究了电压与进气压力等因素对气门动态性能的影响。

Performance of designed electromagnet valve is evaluated in MATLAB / Simulink where realistic model is built and affection of input voltage and injection pressure on valve dynamic performance are also presented by model .

试验证明：在中、高负荷下，进气门晚关、EGR、增压等进行综合协调控制能够在保证发动机经济性的前提下，有效降低发动机排放。

Results showed that in the mediate and high load conditions , later intake valve close timing , EGR , turbo - charging etc. can be integrated and coordinated to reduce the engine emissions but not at the premise of fuel economy .

通过对模糊控制器的设计，计算出EQ6100汽油机在不同工况下的排气门提前开启角和进气门滞后关闭角的模糊控制值。

The fuzzy control values of the optimized exhaust lag angle and intake advance angle of the EQ6100 engine are calculated by designing the fuzzy controller .

150系列柴油机进气门软氮化工艺研究

Research on Tufftriding Technology for Inlet Valve of 150 Series Diesel Engine

增压柴油机进气门下陷机理的研究

A Study of Inlet Valve Sink on Turbo-charge Diesel Engine

改善高增压柴油机进气门磨损的试验研究

Experimental Research on Decrease of Inlet Valve Wear in Highly Supercharged Diesel Engine

进气门座圈内径对车用汽油机性能影响的分析

Effect on the Performance of Gasoline Engine about Inner Diameter of Intake Valve

发动机进气门流场数值模拟及其阻尼特性分析

Numerical Simulation of Air Flow in Engine Inlet Port and Resistance Characteristics Analysis

控制进气门闭合时间对燃烧的影响及改进

Influence of the Closing-time of Intake Valve on the Combustion and Its Improvement

汽车发动机进气门断裂原因分析

Failure analysis of a fractured engine valve lifter

漫滩挟沙水流流速横向分布研究进气门上的沉积物

Study on transverse distribution of velocity in overbank sediment carrying flows Sediment on Intake Valve

发动机进气门失效分析

Failure Analysis on Engine Intake Valve

进气门座结构参数对进气道性能影响的试验与模拟计算研究

Experiment and Numerical Simulation in Effect of Geometric Parameters of Inlet Valve Seat on Intake flow

一些高性能发动机有两个单独的凸轮轴，分别负责开关进气门和排气门。

Some high-performance engines have two separate camshafts , one for each set of inlet and exhaust valves .

某型柴油机进气门盘部、锥面掉块失效分析双锥导流式进气分布器内流场的数值模拟

Crash failure analysis of intake valve seat Numerical Simulation of the Flow Field in Double Cone-Diversion Gas Distributor

进气门关闭，活塞在气缸内上移，压缩空气燃烧混合物。

The intake valve closes and the piston moves up in the cylinder , compressing the fuel mixture .

本文发展了一种可用于发动机进气门处流场计算的紊流模型。

In the paper a turbulence model for calculating the flow field in theintake port of engine has developed .

对缸内喷射天然气发动机与进气门处喷射天然气发动机、汽油机的性能进行了分析对比。

The performance of natural gas engine is compared with that of gasoline engine and port injection natural gas engine .

采用在进气门上方安装旋流器的方法产生进气涡流。

The intake swirl in the cylinder was induced by a swirler which was fixed in one of two intake ports .

当活塞下移时，汽化的燃料和空气的混合物通过进气门进入气缸。

As the piston moves down , the vaporized mixture of fuel and air enters the cylinder through open intake valve .

而压力波法，须测量进气门前后的压力波。

And as to the pressure wave method , the pressure wave before and after the intake valve must be measured .

阐述了一种动态测定内燃机进气门座处气体流通特性的方法。

In this paper a method for dynamically measuring air flow characteristics at intake valve seat of internal combustion engine is presented .

本文介绍了一种基于可变位置液压张紧器机构实现控制进气门关闭相位角的电控可变配气相位系统。

A new developed electrical control VVT system is presented which uses a tensioner with variable working position to change the intake valve-closing angle .

结果表明，进气门后方具有较大挤气区域的缸盖具有较强的产生缸内斜轴涡流运动的能力，同时也具有较稳定的斜轴涡流形态。

The results indicate that the cylinder head with larger squash area can produce stronger inclined swirl and the outline shape of inclined swirl is steadier .

混合气过浓或润滑油流到磨损的气门导管中（进气门），都可形成积炭。

Carbon deposits may form because of an excessively rich mixture or because of oil passing a worn valve guide ( in the intake valve ) .

汽轮机内部流场数值模拟及叶片改进设计进气门座圈内径对车用汽油机性能影响的分析

Numerical Simulation of the Flow in the Turbine and Redesign of the Blade ; Effect on the Performance of Gasoline Engine about Inner Diameter of Intake Valve

用废气导入管将废气引到单侧进气门处，利用四气门汽油机的缸内气体滚流运动，实现废气与新鲜可燃混合气的分层。

The exhaust gas is leaded to single intake port by the guided jet and achieves stratification with fresh mixture by using tumble motion of the engine in the cylinder .

结果提高了质量流量和进气门出口速度，减少了流动损失，提高了发动机在中高速转速时的转矩和功率。

The result shows that mass flow and flow velocity of inlet pipe were improved and energy loss was reduced . Engine torque and power at middle and high engine speed were improved .