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
- 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 - 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。 - 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 - 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。 - 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。 - 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。 - 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。 - 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。 - Vacuum automatic spark advance device
真空式自动提前点火装置 - 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。