Results 11 to 20 of about 398,912 (227)

Turbulent flame development in a high-pressure combustion vessel [PDF]

, 2005
The objective of this work was to extend the range of turbulent burning velocities presented in the literature by performing new measurements at elevated pressures over a range of turbulent velocities, u' (r. m. s. deviation from the mean velocity).
Ormsby, Matthew P.
core   +7 more sources

Turbulent Premixed Flame Kernel Growth During The Early Stages Using Direct Numerical Simulation [PDF]

, 2008
In this thesis Direct Numerical Simulation (DNS) is used to investigate the development of turbulent premixed flame kernels during the early stages of growth typical of the period following spark ignition.
Dunstan, T. D.
core   +7 more sources

Statistical description of turbulent reacting media [PDF]

, 2002
Present work concerns the interaction of chemistry and turbulence in a turbulent reacting flow. Both self-ignition and flame propagation are studied.
Liu, Kexin
core   +7 more sources

Joint stereo-PIV and NO-LIF in turbulent premixed hydrogen-air flames [PDF]

, 2009
A new technique to simultaneously and instantaneously resolve 3D velocity/2D strain rate fields and scalar/scalar gradient fields was developed and evaluated in this study.
Magand, Christelle C. G.
core   +7 more sources

Closure Relations for Fluxes of Flame Surface Density and Scalar Dissipation Rate in Turbulent Premixed Flames

Fluids, 2019
In this study, closure relations for total and turbulent convection fluxes of flame surface density and scalar dissipation rate were developed (i) by placing the focus of consideration on the flow velocity conditioned to the instantaneous flame within ...
Andrei N. Lipatnikov, Shinnosuke Nishiki, Tatsuya Hasegawa   +2 more
doaj   +1 more source

Dataset for transient 3D simulations of turbulent premixed flames of Gas-to-Liquid (GTL) fuel

Data in Brief, 2021
A fan-stirred combustion vessel is used to study the premixed turbulent combustion of diesel, Gas to Liquids (GTL) and 50/50 diesel-GTL and to generate these datasets.
Abdellatif M. Sadeq, Samer F. Ahmed, Ahmad K. Sleiti   +2 more
doaj   +1 more source

Measurement of turbulent flame speed of natural gas/air mixtures at elevated pressure [PDF]

, 2010
Turbulent flame speeds were measured over a range of pressures to 0.8 MPa using a jet flow apparatus fired with a synthetic mixture representing a mid-European natural gas. The equivalence ratio empty set was 0.9.
Witton, John J., Li, L.
core   +1 more source

Current State and Perspective of Turbulent Combustion Research

Journal of Fluid Science and Technology, 2007
Recent progresses in turbulent combustion researches are summarized in this paper with a focus on direct numerical simulation (DNS), large eddy simulation (LES) and laser diagnostics of turbulent combustion.
Toshio MIYAUCHI, Mamoru TANAHASHI
doaj   +1 more source

DNS and Combined Laser Diagnostics of Turbulent Combustion

Journal of Thermal Science and Technology, 2008
With the developments of computer technologies, three-dimensional direct numerical simulations (DNS) of turbulent combustion have been realized with a detailed or reduced kinetic mechanism.
Mamoru TANAHASHI, Makoto SATO, Masayasu SHIMURA, Toshio MIYAUCHI   +3 more
doaj   +1 more source

Ultra-Lean Premixed Turbulent Combustion: Challenges of RANS Modelling

Energies, 2022
The main challenge of improving spark ignition (SI) engines to achieve ever increasing thermal efficiencies and near-zero pollutant emissions today concerns developing turbulent combustion under homogeneous ultra-lean premixed mixtures (HULP).
Lorenzo Sforza, Suliman Abdelwahid, Tommaso Lucchini, Angelo Onorati   +3 more
doaj   +1 more source