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Compositional evolution of lignite during spontaneous combustion under low-temperature oxidation

期刊: COMBUSTION THEORY AND MODELLING, 2021; 25 (4)

In order to better explore the spontaneous combustion characteristics of lignite, a low-temperature heating experimental device was used to study the ......

Exploring active subspace for neural network prediction of oscillating combustion

期刊: COMBUSTION THEORY AND MODELLING, 2021; 25 (3)

Combustion instability is one of the most plaguing challenges for general industrial thermal facilities, such as furnaces, gas turbine and hot air hea......

Two-phase flow characteristics of different charging structure in ignition and flame-spreading

期刊: COMBUSTION THEORY AND MODELLING, 2021; 25 (4)

To study the influence of flame-spreading behaviour in the ignition process of different charging structures in high-density charge chambers, a visual......

Large eddy simulation of turbulent partially premixed flames with inhomogeneous inlets using the dynamic second-order moment closure model

期刊: COMBUSTION THEORY AND MODELLING, 2020; 24 (4)

The Sydney piloted partially premixed flames with both homogeneous and inhomogeneous fuel/air inlets are studied using a dynamic second-order moment c......

Analytical and numerical study of the expansion effect on the velocity deficit of rotating detonation waves

期刊: COMBUSTION THEORY AND MODELLING, 2020; 24 (4)

In this work, a quasi-one-dimensional ZND model of detonation considering the expansion process perpendicular to the detonation propagation direction ......

Expansion, injection and micro-explosion phenomena during the full combustion cycle of mixed fuel droplets of ethyl alcohol and biodiesel

期刊: COMBUSTION THEORY AND MODELLING, 2020; 24 (5)

In this study, mixed fuel droplets of ethyl alcohol and biodiesel with different volumes or ratios were prepared and the related expansion, injection ......

An improved model to calculate radiative heat transfer in hot combustion gases

期刊: COMBUSTION THEORY AND MODELLING, 2020; 24 (5)

Radiative heat transfer plays an important role in the chemical reactions in the combustor. The widely used WSGG model proposed by Smith is establishe......

Effects of pressure rise rate on laminar flame speed under normal and engine-relevant conditions

期刊: COMBUSTION THEORY AND MODELLING, 2020; 24 (5)

Laminar flame speed (LFS) is one of the most important physicochemical properties of a combustible mixture. At normal and elevated temperatures and pr......

Analysis of flame characteristics of low calorific value gas diffusion combustion under the action of thermal dynamics

期刊: COMBUSTION THEORY AND MODELLING, 2020; 24 (5)

In this paper, the flame characteristics of co-axial concomitant flow diffusion combustion of low calorific value gas under the action of thermal dyna......

Improved path flux analysis mechanism reduction method for high and low temperature oxidation of hydrocarbon fuels

期刊: COMBUSTION THEORY AND MODELLING, 2020; 24 (6)

Due to the increasing attention of low temperature combustion, more precise and convenient low temperature chemical reaction mechanism is needed in th......

Numerical and theoretical investigation of ethanol/air flame instability

期刊: COMBUSTION THEORY AND MODELLING, 2020; 24 (6)

A series of two dimensional (2D) detailed numerical simulations of premixed cylindrical expanding ethanol/air flames in a constant volume encloser und......

Flammability dynamics and oscillation-induced extinction mechanism of dimethyl ether spherical diffusion flame in microgravity

期刊: COMBUSTION THEORY AND MODELLING, 2020; 24 (6)

Continuation computations were performed to generate the S-curve as well as the flammability limit. Transient simulations using detailed fuel chemistr......

Initiation and propagation of spherical premixed flames with inert solid particles

期刊: COMBUSTION THEORY AND MODELLING, 2020; 24 (4)

Spherical flame initiation and propagation in particle-laden mixtures are investigated theoretically in this work. Within the framework of constant de......

Numerical studies on autoignition and detonation development from a hot spot in hydrogen/air mixtures

期刊: COMBUSTION THEORY AND MODELLING, 2020; 24 (2)

Detonation development inside spark ignition engines can result in the so called super-knock with extremely high pressure oscillation above 200 atm. I......

Investigation of flame characteristic in porous media burner with pores step distribution in radial direction

期刊: COMBUSTION THEORY AND MODELLING, 2020; 24 (4)

In recent years, attention has been focused on the use of porous materials to enhance the efficiency of combustion systems and reduce the pollutants e......

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