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
  Synonym:lead

双语例句

• Because of the adding of engine operating parameters such as engine speed, spark advance, equivalence ratio, intake air pressure, intake air temperature to the model, effects of these parameters on cyclic variation can be estimated quantitatively.
  由于把发动机运行参数，如转速、点火角、计量比、进气压力和进气温度等加入该模型，可定量地估计这些参数对发动机循环变动的影响。
• 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。
• Vacuum automatic spark advance device
  真空式自动提前点火装置
• 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。
• Spark Advance Angle Adjusting System of S.I. Engine
  摩托车发动机点火提前角实时调节系统
• 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。
• 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。
• 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 characteristic in the field of A/ F closed loop control is discussed, and the conception of primary spark advance angle set is introduced.
  讨论了A/F闭环控制区域的特点，提出了初选点火提前角集合的概念。
• Improvement of Electronic Spark Advance d for Compact Gasoline Engine Electronic Spark Control of Motorcycle with Engine Management System
  小型汽油机数字点火系统的研究与改进电喷摩托车的点火与控制