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

• 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。
• 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。
• 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。
• Angle. Computer Measuring System of Engine Spark Advance for Torque
  发动机点火提前角自动测试系统
• Deceleration spark advance control
  减速点火提前控制装置
• 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。
• 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。
• Closed loop control of spark advance using a cylinder pressure sensor
  使用气缸压力传感器的点火正时闭环控制系统
• 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
• The major technologies used include increasing compression ratio, changing spark advance angle and using intake pulse turbo-charging.
  主要采取了提高压缩比、改变点火提前角及采用进气脉冲增压技术。