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Related papers: A Multipurpose Reduced Mechanism for Ethanol Combu…

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39 detailed mechanisms for combustion of hydrogen, carbon monoxide and methanol are investigated using ReactionKinetics, a Mathematica based package. The obtained results in most cases do not depend on the choice of reaction rate…

Chemical Physics · Physics 2013-08-06 J. Tóth , A. L. Nagy , I. Zsély

A local-sensitivity-analysis technique is employed to generate new skeletal reaction models for methane combustion from the foundational fuel chemistry model (FFCM-1). The sensitivities of the thermo-chemical variables with respect to the…

Chemical Physics · Physics 2023-08-30 Yinmin Liu , Hessam Babaee , Peyman Givi , Harsha Chelliah , Daniel Livescu , Arash Nouri

Butanol has received significant research attention as a second-generation biofuel in the past few years. In the present study, skeletal mechanisms for four butanol isomers were generated from two widely accepted, well-validated detailed…

Chemical Physics · Physics 2017-06-08 Xin Hui , Kyle E. Niemeyer , Kyle B. Brady , Chih-Jen Sung

Reduction of detailed chemical reaction mechanisms is one of the key methods for mitigating the computational cost of reactive flow simulations. Exploitation of species and elementary reaction sparsity ensures the compactness of the reduced…

Chemical Physics · Physics 2024-10-15 Shen Fang , Siyi Zhang , Zeyu Li , Qingfei Fu , Chong-Wen Zhou , Wang Hana , Lijun Yang

Accurate low dimension chemical kinetic models for methane are an essential component in the design of efficient gas turbine combustors. Kinetic models coupled to computational fluid dynamics (CFD) provide quick and efficient ways to test…

Chemical Physics · Physics 2022-06-10 Mark Kelly , Gilles Bourque , Stephen Dooley

A skeletal chemical kinetic mechanism containing 252 species and 1288 reactions for the simulation of premixed flames involving isooctane (representing gasoline) and 2MF blends has been proposed in the present work.

Chemical Physics · Physics 2022-12-15 Atmadeep Bhattacharya

A method for computing minimum ignition energies for gaseous fuel mixtures with detailed and reduced chemistry, by numerical integration of time-dependent conservation equations in a spherically symmetrical configuration, is presented and…

To effectively simulate the combustion of hydrocarbon-fueled supersonic engines, such as rocket-based combined cycle (RBCC) engines, a detailed mechanism for chemistry is usually required but computationally prohibitive. In order to…

Fluid Dynamics · Physics 2020-03-03 Jian An , Guo Qiang He , Kai Hong Luo , Fei Qin , Bing Liu

The partial oxidation of methane was investigated using a self-stirred reactor under a wide range of operating conditions. The recation mechanism was determined by comparing ecperimental results with the results of simulations made using…

Chemical Physics · Physics 2009-04-28 Matthieu Fleys , Yves Simon , Paul-Marie Marquaire , François Lapicque

Understanding the combustion chemistry of acetaldehyde is crucial to developing robust and accurate combustion chemistry models for practical fuels, especially for biofuels. This study aims to reevaluate the important rate and thermodynamic…

Chemical Physics · Physics 2024-09-09 Xinrui Ren , Hongqing Wu , Ruoyue Tang , Yanqing Cui , Mingrui Wang , Song Cheng

Machine learning is ideally suited for the pattern detection in large uniform datasets, but consistent experimental datasets on catalyst studies are often small. Here we demonstrate how a combination of machine learning and first-principles…

Materials Science · Physics 2020-08-05 Nongnuch Artrith , Zhexi Lin , Jingguang G. Chen

In this work, we present RePlaChem, a software library for reducing detailed large-scale plasma chemical mechanisms to smaller skeletal ones. The library parses a plasma chemical mechanism in the well-established format compatible with the…

Computational Physics · Physics 2025-07-08 Z. Nikolaou , E. Morais , S. Van Rompaey , C. Anastassiou , A. Bogaerts , V. Vavourakis

A novel method for analyzing counterflow diffusion flames, inspired by Zurada's sensitivity approach for neural networks, is proposed to identify critical species influencing the heat release rate in combustion. By further analyzing…

Chemical Physics · Physics 2024-07-03 Liang Ji , Kalyanasundaram Seshadri

In order to improve the understanding of the low temperature combustion of ethanol, high-level ab initio calculations were performed for elementary reactions involving hydroxyethylperoxy radicals. These radicals come from the addition of…

Chemical Physics · Physics 2009-04-21 René Fournet , Pierre-Alexandre Glaude , Roda Bounaceur , Michel Molière

In this study, methane detonation propagation in dilute coal particle suspensions is studied based on Eulerian-Lagrangian method. Two-dimensional configuration is considered, and a skeletal chemical mechanism (24 species and 104 reactions)…

Fluid Dynamics · Physics 2022-02-08 Jingtai Shi , Yong Xu , Wanxing Ren , Huangwei Zhang

Model reduction methods are relevant when the computation time of a full convection-diffusion-reaction simulation based on detailed chemical reaction mechanisms is too large. In this article, we review a model reduction approach based on…

Computational Physics · Physics 2014-05-20 Dirk Lebiedz , Jochen Siehr

We present an algorithm for the continuous monitoring of the biomass and ethanol concentrations and moreover the kinetic rate in the Mezcal fermentation process. This algorithm performs its task having only available the on-line…

Quantitative Methods · Quantitative Biology 2008-01-17 P. Escalante-Minakata , V. Ibarra-Junquera , H. C. Rosu , A. De Leon-Rodriguez , R. Gonzalez-Garcia

As crucial additives and intermediate, alcohols, ethers, and aldehydes play a significant role in the combustion process. However, the chemistry of NOXhydrocarbon interactions and the rate rules governing these interactions remain largely…

Among the numerous questions that arise concerning the exploitation of petroleum from unconventional reservoirs, lie the questions of the composition of hydrocarbons present in deep seated HP-HT reservoirs or produced during in-situ…

Transforming CO$_2$ into methanol represents a crucial step towards closing the carbon cycle, with thermoreduction technology nearing industrial application. However, obtaining high methanol yields and ensuring the stability of…

Chemical Physics · Physics 2025-07-08 Prajwal Pisal , Ondrej Krejci , Patrick Rinke
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