English
Related papers

Related papers: A Rapid Compression Study of the Butanol Isomers a…

200 papers

Ignition delay times of cyclopentene-oxygen-argon mixtures were measured behind reflected shock waves. Mixtures contained 0.5 or 1 % of hydrocarbons for equivalence ratios ranging from 0.5 to 1.5. Reflected shock waves conditions were:…

Auto-ignition process of stoichiometric mixture of methane-air is investigated using detailed chemical kinetics in a single-zone combustion chamber. Effect of initial temperature on start of combustion (SOC). The Arrhenius expression for…

Chemical Physics · Physics 2017-12-08 Bagher Abareshi , Hassan Mohagheghi , Morteza Khosronia Kalalabadi

This paper presents a new chemical kinetic model developed for the simulation of auto-ignition and combustion of engine surrogate fuel mixtures sensitized by the presence of NOx. The chemical mechanism is based on the PRF auto-ignition…

Chemical Physics · Physics 2009-03-26 Jörg Anderlohr , A. Pires Da Cruz , Roda Bounaceur , Frédérique Battin-Leclerc

Reactivity Controlled Compression Ignition (RCCI) is a new advanced engine concept that uses a dual fuel mode of operation to achieve significant improvements in fuel economy and emissions output. The fuels that are typically used in this…

Chemical Physics · Physics 2017-06-07 Hongfu Wang , Bryan W. Weber , Ruozhou Fang , Chih-Jen Sung

Biofuels have shown to be a reliable source of energy and a replication of fossil fuels. A well-known branch of biofuels is oxygenated ones derived from lignin compounds. Although a wide range of studies was done on oxygenated fuels,…

Fluid Dynamics · Physics 2018-06-20 Saeid Zare , Lameed Ayo Onigbanjo , Shrabanti Roy , Omid Askari

When designing high-efficiency spark-ignition (SI) engines to operate at high compression ratios, one of the main issues that have to be addressed is detonation development from a pre-ignition front. In order to control this phenomenon, it…

The formation of boron carbide under high pressures and from elemental reactants has been studied and optimum parameters have been determined by varying the (P, T, reactants) conditions. To this end, stoichiometric mixtures of commercial…

Materials Science · Physics 2021-07-23 Amrita Chakraborti , Nicolas Guignot , Nathalie Vast , Yann Le Godec

This paper describes how automatically generated detailed kinetic mechanisms are obtained for the oxidation of alkanes and how these models could lead to a better understanding of autoignition and cool flame risks at elevated conditions.…

The problem of thermal ignition in a homogeneous gas is revisited from a molecular dynamics perspective. A two-dimensional model is adopted, which assumes reactive disks of type A and B in a fixed area that react to form type C products if…

Chemical Physics · Physics 2016-11-01 Nick Sirmas , Matei I. Radulescu

Deuterium fractionation is highly efficient during the early stages of star formation, particularly in starless and prestellar cores where temperatures are low (<10 K) and molecular freeze-out onto dust grains is significant. Methanol forms…

The present study addresses the role of molecular non-equilibrium effects in thermal ignition problems. We consider a single binary reaction of the form A+B -> C+C. Molecular dynamics calculations were performed for activation energies…

Chemical Physics · Physics 2019-04-17 R. Murugesan , N. Sirmas , M. I. Radulescu

Isothermal crystallization of the mono-hydroxyl alcohol n-butanol was studied with dielectric spectroscopy in real time. The crystallization was carried out using two different sample cells at 15 temperatures between 120 K and 134 K. For…

Soft Condensed Matter · Physics 2015-10-28 M. H. Jensen , C. Alba-Simionesco , K. Niss , T. Hecksher

The neutron yields observed in inertial confinement fusion experiments for higher convergence ratios are about two orders of magnitude smaller than the neutron yields predicted by one-dimensional models, the discrepancy being attributed to…

Nuclear Experiment · Physics 2007-05-23 Silviu Olariu

In line with the study presented in the part I of this paper, the structure of a laminar rich premixed methane flame doped with 1,3-butadiene has been investigated. The flame contains 20.7% (molar) of methane, 31.4% of oxygen and 3.3% of…

The low temperature reaction between CN and benzene (C$_6$H$_6$) is of significant interest in the astrochemical community due to the recent detection of benzonitrile, the first aromatic molecule identified in the interstellar medium (ISM)…

Astrophysics of Galaxies · Physics 2020-03-25 Ilsa R. Cooke , Divita Gupta , Joseph P. Messinger , Ian R. Sims

The plastic deformation of Polybutylene terephthalate (PBT) is investigated at three temperatures (120$^\circ$C, 150$^\circ$C, 180$^\circ$C) representative of the span between glass transition, $T_g \approx 55^\circ$C and melting $T_m…

In order to better understand the chemistry involved during the combustion of components of diesel fuel, the structure of a laminar lean premixed methane flame doped with indane has been investigated. The gases of this flame contains 7.1%…

Chemical Physics · Physics 2009-03-26 Emir Pousse , Pierre-Alexandre Glaude , René Fournet , Frédérique Battin-Leclerc

The thermal decomposition of n-dodecane, a component of some jet fuels, has been studied in a jet-stirred reactor at temperatures from 793 to 1093 K, for residence times between 1 and 5 s and at atmospheric pressure. Thermal decomposition…

Theory and computations have established that thermodynamic gradients created by hot spots in reactive gas mixtures can lead to spontaneous detonation initiation. However, the current laminar theory of the temperature-gradient mechanism for…

Fluid Dynamics · Physics 2019-11-26 Colin A. Z. Towery , Alexei Y. Poludnenko , Peter E. Hamlington