engine knock

With a view to the theory of engine knock , this paper introduces a method of knock detection in detain .

根据发动机爆震原理，介绍了一种发动机爆震检测的方法，并给出了硬件设计框图。

Engine Knock Detection Using Spark Iqn Current

基于火花塞离子电流信号的发动机爆震检测研究

Study on Gasoline Engine Knock Real-Time Control System Based on DWT

基于DWT的汽油机爆震实时控制系统研究

Engine Knock Signature Analysis and Fault Diagnosis Based on Time-Frequency Distribution

基于时频分布的发动机异响特征分析及故障诊断研究

Gasoline Engine Knock Control Based on Spark Control Arithmetic

基于点火控制算法的汽油机爆震控制

Spark Ignition Engine Knock Detection Using in Cylinder Fiber Optic Probes

用光纤信号对火花点火发动机爆震燃烧的测试研究

Engine Knock Detection by Using Envelope Method

汽油机爆燃诊断的包络线法

He diagnosed the trouble that caused the engine knock .

他查出了引起发动机发出爆震声故障的原因。

Engine Knock Combustion Measurement and Critical Knock Detection

内燃机爆震燃烧探测及其临界爆震判析

Spark Plug as an Ionization Sensor in Engine Knock Detection

火花塞离子电流传感器在发动机敲缸探测上的应用

The control of ignition advance angle is mostly open-loop control and the control data is obtained from experiment . Close-loop control method is applied to avoid engine knock .

对点火提前角的控制主要是开环控制，控制数据由试验得到，对爆震现象采取了闭环控制。

Methods A resonance type knock sensor and a peak value recorder circuit were used to detect engine knock , a two parameter ignition angle adjusting method was adopted , a closed loop knock control system was designed , and the knock limits were optimized by experiments .

方法用共振型传感器和峰值保持电路检测爆震，采用两参数点火提前角调节方法构成一个爆震闭环控制系统，并通过试验优化爆震基准。

He diagnosed the trouble that caused the engine to knock .

他找出了引擎咔咔响的毛病所在。

The straight-chain alkanes exacerbate the problem of engine " knock " .

直链烷烃使机器的“爆震”问题更加严重。

The Design of Ignition System for Coal Bed Engine Based on Knock Control

基于爆震控制煤层气发动机点火系统的设计

It is revealed that increasing the amount of pilot fuel and retarding the fuel injection timing suitably will reduce the maximum pressure rise rate effectively , and this is beneficial to keep an engine away from knock at high load .

研究表明，适当增加引燃油量和减小喷油提前角可以降低柴油引燃天然气发动机的最大缸内压力升高率，从而有利于遏制柴油引燃天然气发动机高负荷时的爆震倾向。

The diesel injection timing has a very important effect on the hybrid combustion engine ( especially on knock ), because it determines the ignition time .

柴油喷射提前角决定了混合燃烧系统的着火时间，对混合燃烧系统的性能尤其是工作粗暴性的影响极大。

New development in ill feet Carnival cruise liner , today the coast guard says the engine room fire that knock down power to the vessel is caused by leaking a few oil return line .

“凯旋嘉年华”号邮轮事故调查有了新进展，今天海岸警卫队表示，致使邮轮发动机室着火并切断邮轮电力的原因是回油管路泄露。

Aim To design a closed loop knock control system ( KCS ) in order to improve the power and economy of spark ignition ( SI ) engine , while preventing engine from knock .

目的设计一种爆震闭环控制系统，在保证汽油机不发生爆震的前提下，使爆震闭环控制系统更好地发挥汽油机的动力性和经济性。

Further analyses and calculations show that the decrease in turbulence intensity in supercharged gasoline engine will slow down the turbulent flame speed , so it is another reason that supercharged gasoline engine is easy to knock .

经计算与分析表明，增压后湍流强度的下降将导致湍流火焰传播速度下降，这是汽油机增压后易发生爆震的另一因素。

The common turbocharged engine has some defects , for instance torque insufficiency at low speed , rev-up response lag and the narrow operating area of low oil consumption . In especial , the common turbocharged gasoline exists engine knock phenomenon .

虽然，增压发动机改善了自然吸气发动机的综合性能，但是，普通涡轮增压发动机存在低速扭矩不足、加速响应滞后、低油耗运行区窄等缺陷，尤其是普通涡轮增压汽油机会出现爆震现象。