Numerical investigation of combustion instability in a liquid rocket engine: Interaction effect between hydrodynamics and acoustic mode
In this paper, we present the numerical evidence of multiple bifurcations in thermoacoustic
instability as we decrease the equivalence ratio (ϕ) from fuel-rich (ϕ= 1.5) to fuel-lean (ϕ …
instability as we decrease the equivalence ratio (ϕ) from fuel-rich (ϕ= 1.5) to fuel-lean (ϕ …
Homogeneous charge compression ignition (HCCI) and partially premixed combustion (PPC) in compression ignition engine with low octane gasoline
The present study investigated the in-cylinder combustion for low octane 70 primary
reference fuel (PRF70) by the method of the flame index during the transition from …
reference fuel (PRF70) by the method of the flame index during the transition from …
Identification of flame regimes in partially premixed combustion from a quasi-DNS dataset
Identifying combustion regimes in terms of premixed and non-premixed characteristics is an
important task for understanding combustion phenomena and the structure of flames. A …
important task for understanding combustion phenomena and the structure of flames. A …
Combustion regime identification from machine learning trained by Raman/Rayleigh line measurements
A combustion regime identification based on convolutional neural networks (CNNs) is
developed using the recently proposed gradient-free regime identification (GFRI) approach …
developed using the recently proposed gradient-free regime identification (GFRI) approach …
Large-eddy simulation of a supersonic lifted jet flame: Analysis of the turbulent flame base
Large-eddy simulation of a supersonic hydrogen–air non-premixed lifted jet flame is
reported in the configuration studied by Cheng et al.(1994). The emphasis of the study is on …
reported in the configuration studied by Cheng et al.(1994). The emphasis of the study is on …
On jet-wake flame stabilization in scramjet: A LES/RANS study from chemical kinetic and fluid-dynamical perspectives
K Wu, P Zhang, X Fan - Aerospace Science and Technology, 2022 - Elsevier
A three-dimensional hybrid LES (Large Eddy Simulation)/RANS (Reynolds-averaged Navier–
Stokes) study dedicated to understanding the jet-wake flame stabilization under high inflow …
Stokes) study dedicated to understanding the jet-wake flame stabilization under high inflow …
Detailed simulations on the mixed modes of premixed and diffusion combustion in supersonic hydrogen flames
Z Huang, X Tan, J Ding - Physics of Fluids, 2024 - pubs.aip.org
Combustion in scramjets generally proceeds in diffusion mode due to the independent
injection of fuel and air streams. However, premixed combustion is also important especially …
injection of fuel and air streams. However, premixed combustion is also important especially …
Regime identification from Raman/Rayleigh line measurements in partially premixed flames
Current methods for combustion regime characterization, such as the flame index, rely on
3D gradient information that is not accessible with available experimental techniques. Here …
3D gradient information that is not accessible with available experimental techniques. Here …
Assessment of a hydrogen-fueled swirling trapped-vortex combustor using large-eddy simulation
R Sharifzadeh, A Afshari - Fuel, 2024 - Elsevier
In recent years, the study of hydrogen combustion has gained significant interest due to its
exceptional lean blow-out (LBO) performance, high efficiencies, and almost negligible …
exceptional lean blow-out (LBO) performance, high efficiencies, and almost negligible …
Automatic reduction and optimisation of chemistry for turbulent combustion modelling: Impact of the canonical problem
In a preliminary part, reduced chemical schemes from the literature on methane/air turbulent
combustion are tested in one-dimensional premixed flames at various equivalence ratios. As …
combustion are tested in one-dimensional premixed flames at various equivalence ratios. As …