随着计算流体力学和先进流动测试技术的发展, 流动的刻画越来越精细, 伴随而来的海量流场
信息的模态提取与复杂动力学特征的模型化成为当前流体力学的研究热点. 动力学模态分解 …

We present a two-step optimization (TSO) framework, which uses the pressure data of an
unstable combustion process to estimate the complex-valued flame transfer function (FTF) …

This paper investigates low-frequency thermoacoustic instabilities of a turbulent spray flame,
a phenomenon known as 'rumble'. Based on experimental data, a network model analysis is …

为了探究同心旋流分层火焰的不稳定燃烧问题, 需要对火焰的动态脉动特性进行分析.
采用高速摄像捕捉了自激和外激条件下同心旋流分层预混火焰的CH* 化学发光动态图像 …

High NOx emission level exists in conventional heavy fuel oil (HFO) boiler due to its high-
temperature region in the downstream. In this study, separation plates are installed near the …

This paper presents a data-driven identification framework with the objective to retrieve a
flame model from the nonlinear limit cycle. The motivation is to identify a flame model for …

This paper presents a numerical study of head on quenching (HOQ)(an extreme case of
flame/wall interactions) as a source of sound generation, which in turn can trigger …

Accurate, robust, and efficient identification of flame frequency response (FFR) plays a
crucial role in thermoacoustic instability prediction, analysis and control. In order to extract …

Combustion instability results from a coupling between acoustic and heat release
fluctuations. From the analysis of published works by various research teams including …

This study numerically investigates the effect of spray-wall interactions on thermoacoustic
instability prediction. The large-eddy simulations (LES)-based flame transfer function (FTF) …