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。
• 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
• 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。
• Firstly, the CNG engine torque control theory is introduced, and the relationship between the engine output torque and the three control parameters: the spark advance angle, the air-fuel ratio and the throttle opening, is derivated.
  首先，研究天然气发动机转矩控制理论，推导点火提前角、空燃比和节气门开度三个控制参数与转矩之间的关系。
• Vacuum automatic spark advance device
  真空式自动提前点火装置
• 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。
• CNG/ Gasoline Dual-Fuel Vehicles Automatic Spark Advance Angle Adjustment
  CNG/汽油双燃料汽车点火提前角的自动调整电火花点火，电气点火
• In this paper, the relations of operating parameters such as coolant temperature, engine speed, throttle valve opening and spark advance angle with unburned hydrocarbon emissions due to the presence of combustion chamber deposits in spark ignition engine are investigated both theoretically and experimentally.
  本文从实验和理论两个方面来系统地研究火花点火式发动机燃烧室沉积物处未燃碳氢排放浓度随冷却水温、发动机转速、节气门开度和点火提前角等运转参数的变化规律。
• Deceleration spark advance control
  减速点火提前控制装置
• 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。