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Chemical Kinetics Laboratory
Institute of Chemistry
ELTE Eötvös Loránd University
Address: 1117 Budapest
Pázmány Péter sétány 1/A, Hungary
phone: +36-1-372-2500
phone: +36-1-372-2500
room 145 extension 1108
room 146 extension 1109
room 147 extension 1201
room 153 extension 1909
room 118 extension 1047
room 146 extension 1109
room 147 extension 1201
room 153 extension 1909
room 118 extension 1047
fax: +36-1-372-2592
e-mail: turanyi@chem.elte.hu
e-mail: turanyi@chem.elte.hu
Our previous featured publications
Comparison of Methane Combustion Mechanisms Using Shock Tube and Rapid Compression Machine Ignition Delay Time Measurements
P. Zhang, I. Gy. Zsély, V. Samu, T. Nagy, T. Turányi
Energy Fuels, 35, 12329–12351 (2021)
Publication Date: July 9, 2021
https://doi.org/10.1021/acs.energyfuels.0c04277
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P. Zhang, I. Gy. Zsély, V. Samu, T. Nagy, T. Turányi
Energy Fuels, 35, 12329–12351 (2021)
Publication Date: July 9, 2021
https://doi.org/10.1021/acs.energyfuels.0c04277
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We intended to collect all published experimental data on the ignition methane - oxygen mixtures, with possible added fuel: H2 and CO; possible diluents: N2, Ar, He). These included shock tube and RCM data (5521 data points in 643 datasets from 76 publications), covering wide ranges of temperature T, pressure p, equivalence ratio φ, and diluent concentration. Thirteen recent methane combustion mechanisms were tested against these experimental data.
Design of combustion experiments using differential entropy
Éva Valkó, Máté Papp, Márton Kovács, Tamás Varga,
István Gy. Zsély, Tibor Nagy, Tamás Turányi
Combustion Theory and Modelling, 26, 67-90 (2022)
Publication Date: November 9, 2021
https://doi.org/10.1080/13647830.2021.1992506
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Éva Valkó, Máté Papp, Márton Kovács, Tamás Varga,
István Gy. Zsély, Tibor Nagy, Tamás Turányi
Combustion Theory and Modelling, 26, 67-90 (2022)
Publication Date: November 9, 2021
https://doi.org/10.1080/13647830.2021.1992506
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The
aim of several combustion experiments is the determination of the rate
coefficients of important elementary reactions. Sheen and Manion (J.
Phys. Chem. A, 118 (2014) 4929–4941) suggested a method for the design
of shock tube experiments based on differential entropy. Their method
was modified and extended in this work. In the extended method, both the
experimental and residual errors of the measurements are considered at
the calculation of the posterior uncertainty of the determined rate
parameters, the differential entropy matrix is calculated in an
analytical way and the net information flux value is calculated for each
suggested experimental point. In an iterative procedure, all
investigated experimental points with negative net information flux
values are discarded and the remaining experimental conditions are
recommended for the measurements. The most valuable candidate
experimental points can be determined based on the net information flux
values.
An interactive web site, where the users may find Arrhenius parameters of gas phase elementary reactions determined in direct measurements, theoretical calculations or have been used in modelling studies. The users may recalculate the uncertainty limits of the rate coefficients. The editors have the right to upload data sheets for new reactions and to add, delete or modify existing data sheets. The editor status may be granted to any registered user upon request to the administrator.
Visit k-evaluation web page
Reaction fluxes of a combustion simulation can be visualized in the forms of still pictures and videos.
We maintain a collection of a series of Chemkin-format reaction mechanisms for the combustion of the following fuels:
hydrogen, syngas, methanol, ethanol, methane, butanol, fuels+NOx.