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Large hydrocarbon fuels are used for ground and air transportation and will be for the foreseeable future. Despite their extensive use, turbulent combustion of large hydrocarbon fuels, remains relatively poorly understood and difficult to…

Fluid Dynamics · Physics 2022-01-04 Aaron J. Fillo , Jonathan Bonebrake , David L. Blunck

In order to better understand their potential formation in combustion systems, a detailed kinetic mechanism for the formation of short-chain monocarboxylic acids, formic (HCOOH), acetic (CH3COOH), propionic (C2H5COOH) and propenic…

Chemical Physics · Physics 2009-03-31 Frédérique Battin-Leclerc , A. A. Konnov , J. L. Jaffrezo , M. Legrand

This study presents a systematic characterization of burner-stabilized lean hydrogen flame morphology across a wide range of equivalence ratios, dilution factors, and flow rates. Spatially resolved measurements of three-dimensional…

Fluid Dynamics · Physics 2025-09-17 Zeyu Yan , Xiangyu Nie , Shuoxun Zhang , Shengkai Wang

The mechanisms of direct detonation initiation (DDI) in methane/air mixtures containing coal particles are investigated through simulations conducted using the Eulerian-Lagrangian method in a two-dimensional configuration. Methane-air…

Chemical Physics · Physics 2025-03-05 Shengnan Li , Shangpeng Li , Shumeng Xie , Yong Xu , Ke Gao , Huangwei Zhang

PDF model calculations have been performed of the Cabra lifted hydrogen flame in a vitiated co-flow. Particle trajectories are extracted from the Lagrangian particle method used to solve the modeled PDF equation. The particle trajectories…

Fluid Dynamics · Physics 2007-09-10 Haifeng Wang , Stephen B. Pope

The Multiple Mapping Conditioning / Large Eddy Simulation (MMC-LES) approach is used to simulate a supersonic lifted hydrogen jet flame, which features shock-induced autoignition, shock-flame interaction, lifted flame stabilization, and…

Fluid Dynamics · Physics 2021-06-09 Zhiwei Huang , Matthew J. Cleary , Zhuyin Ren , Huangwei Zhang

Atomic metallic hydrogen has been produced in the laboratory at high pressure and low temperature, prompting further investigations of its different properties. However, purely experimental approaches are infeasible because of the extreme…

Materials Science · Physics 2018-05-29 Bo Peng , Ke Xu , Hao Zhang , Hezhu Shao , Gang Ni , Jing Li , Liangcai Wu , Hongliang Lu , Qingyuan Jin , Heyuan Zhu

Understanding of recently reported putative close-to-room-temperature superconductivity in C-S-H compounds at 267 GPa demands reproducible synthesis protocol as well as knowledge of its structure and composition. We synthesized C-S-H…

Investigation of the autoignition delay of the butanol isomers has been performed at elevated pressure of 15 bar and low to intermediate temperatures of 725-870 K. Stoichiometric mixtures made in nitrogen/oxygen air were studied. For the…

Chemical Physics · Physics 2017-06-07 Bryan W. Weber , Chih-Jen Sung

In this work, oblique detonation of n-heptane/air mixture in high-speed wedge flows is simulated by solving the reactive Euler equations with a two-dimensional (2D) configuration. This is a first attempt to model complicated hydrocarbon…

Fluid Dynamics · Physics 2022-02-11 Hongbo Guo , Yong Xu , Hongtao Zheng , Huangwei Zhang

We present comprehensive experimental line lists of methane (CH4) at high temperatures obtained by recording Fourier transform infrared emission spectra. Calibrated line lists are presented for the temperatures 300 - 1400 degC at twelve 100…

Instrumentation and Methods for Astrophysics · Physics 2013-08-23 R. J. Hargreaves , C. A. Beale , L. Michaux , M. Irfan , P. F. Bernath

Densities, $\rho$, and speeds of sound, $u$, of 2-propanone + aniline, + N-methylaniline, or + pyridine systems have been measured at (293.15, 298.15 and 303.15) K and atmospheric pressure using a vibrating tube densimeter and sound…

Distributed combustion, often associated with the low-oxygen condition, offers ultra-low NOX emission. However, it was recently achieved without combustion air dilution or internal flue gas recirculation, using a distinct approach called…

Fluid Dynamics · Physics 2022-04-20 Dániel Füzesi , Milan Malý , Jan Jedelský , Viktor Józsa

The effects of heterogeneous and homogeneous atomizations on combustion dynamics and flame spread rates of multi-droplets are experimentally investigated. The utilized fuel is biodiesel, which is doped with graphene oxide and blended with…

Fluid Dynamics · Physics 2024-03-18 Sepehr Mosadegh , Sina Kheirkhah

Light-element compounds hold great promise of high critical temperature superconductivity judging from the theoretical perspective. Hydrogen-rich material, benzene, is such a kind of candidate but also an organic compound. A series of…

Superconductivity · Physics 2018-05-24 Guo-Hua Zhong , Chun-Lei Yang , Xiao-Jia Chen , Hai-Qing Lin

An a priori analysis of a DNS database of turbulent lean premixed methane flames is presented considering the relative effects of turbulence and LES filtering, along with a potential modelling approach for LES with finite-rate chemistry.…

Fluid Dynamics · Physics 2018-06-27 A J Aspden , N Zettervall , C Fureby

The present work focuses on the large eddy simulation (LES) and the study of turbulent dilute methanol spray flames in vitiated coflow using the secondary oxidizer Flamelet Generated Model (FGM). The modified FGM model uses an additional…

Fluid Dynamics · Physics 2022-08-25 Bharat Bhatia , Ashoke De , Dirk Roekaerts , Assaad R. Masri

We report results from grand-canonical Monte Carlo simulations of methane and carbon dioxide adsorption in structure sI gas hydrates. Simulations of pure component systems show that all methane sites are equivalent, while carbon dioxide…

Materials Science · Physics 2015-03-19 Kirill Glavatskiy , Thijs J. H. Vlugt , Signe Kjelstrup

We have carried out extensive equilibrium molecular dynamics (MD) simulations to investigate the Liquid-Vapor coexistence in partially miscible binary and ternary mixtures of Lennard-Jones (LJ) fluids. We have studied in detail the time…

Soft Condensed Matter · Physics 2009-11-10 Enrique Diaz-Herrera , Guillermo Ramirez-Santiago , Jose A. Moreno-Razo

The aim of this study is to investigate the distribution and excitation of the methanol gas around Cep A and to describe the physical conditions of the region. In addition the large scale abundance distribution is determined in order to…

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