Knocking combustion in spark-ignition (SI) engines is a typical abnormal combustion
phenomenon that severely limits engine performance and thermal efficiency. However, its …

Cylinder pressure fluctuation during combustion process of internal combustion engine is
closely related to combustion noise and knock. The current studies are based on cylinder …

分析热声耦合领域和内燃机爆震的研究现状, 给出根据KIVA 燃烧模型推导出的三维波动方程,
将之与KIVA 相耦合, 对一台内燃机爆震燃烧时的声波进行计算. 结果显示 …

A single cylinder DI-diesel engine is chosen as the research object, to study the relationship
between the cylinder pressure and surface vibration and the combustion noise. In order to …

Based on the numerical flow field model of combustion, an acoustic model was established
for gas high-frequency acoustic oscillations in combustion process of diesel engine, and its …

This paper focuses on the detection of knocking features in the combustion process based in
time-frequency analysis using Choi-Williams distribution (CWD). The source data is the …

结合可视化发动机, 高速摄影和激光剪切干涉测量设备拍摄的燃烧过程照片和获得的燃烧二维
温度场, 建立了燃烧室空腔模型, 并将空腔声学模型划分为未燃区和已燃区 …

The principal objectives of this study were to examine in-cylinder combustion pressure
oscillation characteristics of soybean biodiesel in time domain and time-frequency domain …

以经过改装的火花点火式发动机作为研究对象, 首先进行不考虑燃烧室声场影响的内燃机燃烧
三维模型燃烧模拟, 并将模拟结果同燃烧过程高速摄影结果比较分析; 然后进行燃烧室声激励下 …

La voie basse est une voie primordiale dans le transfert de l'énergie de combustion et la
chute de la cohérence visualisée (cf. figure 2.13) lors d'un fonctionnementa forte charge est …