Detonation in gases

JE Shepherd - Proceedings of the Combustion Institute, 2009 - Elsevier
We review recent progress in gaseous detonation experiment, modeling, and simulation. We
focus on the propagating detonation wave as a fundamental combustion process. The …

Insights into nitromethane combustion from detailed kinetic modeling–Pyrolysis experiments in jet-stirred and flow reactors

KP Shrestha, N Vin, O Herbinet, L Seidel… - Fuel, 2020 - Elsevier
The pyrolysis of nitromethane highly diluted in helium was studied in a plug flow reactor and
in a jet-stirred reactor at 1.07 bar and over the temperature range from 500 to 1100 K. Mole …

Measurement and chemical kinetic prediction of detonation sensitivity and cellular structure characteristics in dimethyl ether–oxygen mixtures

HD Ng, J Chao, T Yatsufusa, JHS Lee - Fuel, 2009 - Elsevier
In this work, experiments have been performed to measure the detonation velocities and
characteristic cell sizes in the dimethyl ether (DME) fuel–oxygen mixtures. Equilibrium …

Detonation instability

HD Ng, F Zhang - Shock Waves Science and Technology Library, Vol. 6 …, 2011 - Springer
Detonations are a complex spatial-temporal unstable phenomenon. In theory, the complete
dynamics of this phenomenon requires a time-dependent multidimensional solution that …

Shock-induced kinetics and cellular structures of liquid nitromethane detonation

EJ Nissen, M Bhowmick, DD Dlott - Combustion and Flame, 2021 - Elsevier
Using a combination of high-speed diagnostics, optical pyrometry, velocimetry and video
photography, we examine the spatiotemporal reaction kinetics of a prototypical high-energy …

Influence of nitromethane concentration on ignition energy and explosion parameters in gaseous nitromethane/air mixtures

Q Zhang, W Li, DC Lin, N He, Y Duan - Journal of hazardous materials, 2011 - Elsevier
The aim of this paper is to provide new experimental data of the minimum ignition energy
(MIE) of gaseous nitromethane/air mixtures to discuss the explosion pressure and the flame …

Multilevel detonation cell structures in methane-air mixtures

DA Kessler, VN Gamezo, ES Oran - Proceedings of the Combustion …, 2011 - Elsevier
High-resolution numerical simulations of two-dimensional detonations in a methane–air
mixture with extremely high activation energy show the formation of multiple levels of cellular …

Effect of nitromethane on fuel/air explosion characteristics under different ambient conditions

C Bai, C Zhang, W Liu, X Zhao, B Sun, J Yao - Combustion and Flame, 2021 - Elsevier
The impact of nitromethane on the explosion characteristics of diethyl ether-aluminium
powder mixed fuel in the presence of different ambient factors is studied in a 20 L sphere …

Structure of detonation propagating in lean and rich dimethyl ether–oxygen mixtures

R Mével, S Gallier - Shock Waves, 2018 - Springer
The structure of detonation propagating in dimethyl ether–oxygen mixtures has been
investigated using steady one-dimensional and unsteady two-dimensional simulations …

CN and C2 formation mechanisms in fs-laser induced breakdown of nitromethane in Ar or N2 atmosphere

YL Zhao, GG Li, HM Hou, JC Shi, SN Luo - Journal of hazardous materials, 2020 - Elsevier
We investigate atomic and molecular emission of laser-ablated nitromethane in an Ar or N 2
buffer gas, with fs laser-induced breakdown spectroscopy. The electronic bands of CN, C 2 …