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
- In modern spark ignition engine, in order to optimize Spark Advance Angle to increase the dynamic performance and economic performance and decrease emission, the Microcomputer controlled ignition system is adopted.
为了提高火花点火发动机动力性、经济性和改善排放，进行点火提前角的调整优化，通常采用电控点火系统。 - 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。 - 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。 - 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 - Angle. Computer Measuring System of Engine Spark Advance for Torque
发动机点火提前角自动测试系统 - 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。 - 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 - 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。 - 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。 - 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。