spark advance
英 [spɑːk ədˈvɑːns]
美 [spɑːrk ədˈvæns]
网络 点火提前; 火花提前; 提前点火角度
英英释义
noun
- the timing of ignition relative to the position of the piston in an internal-combustion engine
双语例句
- Vacuum automatic spark advance device
真空式自动提前点火装置 - Research of Optimum of Basic Spark Advance Angle in A/ F Closed Loop Control Field
A/F闭环控制区域基本点火提前角优化研究 - Study on Idling Speed Stability by Spark Advance Angle Controlling Based on CMAC
基于CMAC的点火提前角控制怠速稳定性的研究 - Spark control include three parts, Dwell control, Spark advance control and Knock control.
点火控制包括三大部分，即：充磁（即闭合角）控制、点火提前角控制和爆震控制。 - The system can make the spark advance angle curve according to the ideal and practical adjusted spark advance angle. It also can amend the spark advance angle curve in the ECU which makes engine have ideal spark advance angle according to practice.
能够根据实际调节的理想点火提前角生成点火提前角曲线，对ECU内部原有的点火提前角曲线进行修改，使ECU能够根据实际情况控制发动机理想的点火提前角。 - It also indicates that air-fuel ratio only has little effect and at optimal spark advance, there is a richer mixture region with an air excess factor of 1.0-1.2 around spark plug.
模拟计算表明在最佳点火提前角时，火花塞周围形成了燃空当量比为1.0~1.2的较浓混合气区域。 - By rational designing the combustion chamber, choosing the compression ratio, adopting the electronic controlled ignition system with spark advance angle along with speed's change and optimizing the LPG-air blender, the single cylinder gas fuel engine acquires the fine integrated performance.
该机通过合理的设计燃烧室，选择适当的压缩比，采用点火提前角随转速变化的电子控制的点火系统，通过对燃气和空气混合器的优化，使单缸燃气发动机取得了优良的综合性能。 - When increasing the spark advance angle, the engine performance is improved, but the exhaust emission of NO_ ( x), THC, CO and CO_2 are decreased.
增大点火提前角可使发动机的动力性能得到改善，但发动机NOx，总碳氢THC，CO及CO2的排放污染明显减少。 - On front panel of control system, ignition parameters which engine operation need according to experiment demands can be recomposed ( spark advance angle and charging interval can be modified on line and spark advance, charging interval, rotate speed et al can be displayed).
在控制系统前面板上，可以根据要求设定发动机工作所需要的点火参数，即可在线调节点火提前角和充电时间，并对点火提前角、充电时间、转速等进行显示。 - Then throttle angle and spark advance are selected as the control inputs, engine speed and intake manifold pressure as state variables, engine speed as output, the model is two-input single-output system state equation.
然后选取节气门开度和点火提前角为控制输入量，发动机转速和进气歧管压强为状态变量，发动机转速为输出量，建立了两输入单输出的系统状态方程。