Predicting ignition delay times of C1-C3 alkanes/hydrogen blends at gas engine conditions

Research output: Contribution to journal › Article › Research › peer review

Authors

  • Kalyan Kuppa
  • Andreas Goldmann
  • Friedrich Dinkelacker

Research Organisations

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Details

Original languageEnglish
Pages (from-to)859-869
Number of pages11
JournalFuel
Volume222
Early online date23 Mar 2018
Publication statusPublished - 15 Jun 2018

Abstract

A comprehensive ignition delay time database of 3.1 million points using detailed chemistry is generated. The database includes ignition delay times for pure methane, ethane, propane and hydrogen, as well as for gas blends comprising of the mentioned gases. The database covers a broad range of gas engine applications; pressure 1–20 MPa, temperature 900–2500 K, air–fuel equivalence ratio (λ) 0.9–2.5 and exhaust gas recirculation (EGR) 0–30 m%. For gas blends up to 60 vol% to methane, it is observed that different gas blends with the same HC-ratios/methane-numbers, show similar ignition delay times. Ignition delay time correlations for pure CH4, C2H6, C3H8, H2 and the gas blends are suggested with mean deviation being as low as about 7%. A new blending methodology is developed to describe the C1-C3 alkanes/H2 blends at elevated pressure and temperature conditions. Correlations describing the effect of EGR on the ignition delay time are further developed.

Keywords

    Blends, Correlation, Gas engines, Gas turbines, Hydrogen, Ignition delay time, Natural gas

ASJC Scopus subject areas

Cite this

Predicting ignition delay times of C1-C3 alkanes/hydrogen blends at gas engine conditions. / Kuppa, Kalyan; Goldmann, Andreas; Dinkelacker, Friedrich.
In: Fuel, Vol. 222, 15.06.2018, p. 859-869.

Research output: Contribution to journal › Article › Research › peer review

Kuppa K, Goldmann A, Dinkelacker F. Predicting ignition delay times of C1-C3 alkanes/hydrogen blends at gas engine conditions. Fuel. 2018 Jun 15;222:859-869. Epub 2018 Mar 23. doi: 10.1016/j.fuel.2018.02.064
Kuppa, Kalyan ; Goldmann, Andreas ; Dinkelacker, Friedrich. / Predicting ignition delay times of C1-C3 alkanes/hydrogen blends at gas engine conditions. In: Fuel. 2018 ; Vol. 222. pp. 859-869.
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abstract = "A comprehensive ignition delay time database of 3.1 million points using detailed chemistry is generated. The database includes ignition delay times for pure methane, ethane, propane and hydrogen, as well as for gas blends comprising of the mentioned gases. The database covers a broad range of gas engine applications; pressure 1–20 MPa, temperature 900–2500 K, air–fuel equivalence ratio (λ) 0.9–2.5 and exhaust gas recirculation (EGR) 0–30 m%. For gas blends up to 60 vol% to methane, it is observed that different gas blends with the same HC-ratios/methane-numbers, show similar ignition delay times. Ignition delay time correlations for pure CH4, C2H6, C3H8, H2 and the gas blends are suggested with mean deviation being as low as about 7%. A new blending methodology is developed to describe the C1-C3 alkanes/H2 blends at elevated pressure and temperature conditions. Correlations describing the effect of EGR on the ignition delay time are further developed.",
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AU - Kuppa, Kalyan

AU - Goldmann, Andreas

AU - Dinkelacker, Friedrich

N1 - Publisher Copyright: © 2018 Elsevier Ltd Copyright: Copyright 2020 Elsevier B.V., All rights reserved.

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N2 - A comprehensive ignition delay time database of 3.1 million points using detailed chemistry is generated. The database includes ignition delay times for pure methane, ethane, propane and hydrogen, as well as for gas blends comprising of the mentioned gases. The database covers a broad range of gas engine applications; pressure 1–20 MPa, temperature 900–2500 K, air–fuel equivalence ratio (λ) 0.9–2.5 and exhaust gas recirculation (EGR) 0–30 m%. For gas blends up to 60 vol% to methane, it is observed that different gas blends with the same HC-ratios/methane-numbers, show similar ignition delay times. Ignition delay time correlations for pure CH4, C2H6, C3H8, H2 and the gas blends are suggested with mean deviation being as low as about 7%. A new blending methodology is developed to describe the C1-C3 alkanes/H2 blends at elevated pressure and temperature conditions. Correlations describing the effect of EGR on the ignition delay time are further developed.

AB - A comprehensive ignition delay time database of 3.1 million points using detailed chemistry is generated. The database includes ignition delay times for pure methane, ethane, propane and hydrogen, as well as for gas blends comprising of the mentioned gases. The database covers a broad range of gas engine applications; pressure 1–20 MPa, temperature 900–2500 K, air–fuel equivalence ratio (λ) 0.9–2.5 and exhaust gas recirculation (EGR) 0–30 m%. For gas blends up to 60 vol% to methane, it is observed that different gas blends with the same HC-ratios/methane-numbers, show similar ignition delay times. Ignition delay time correlations for pure CH4, C2H6, C3H8, H2 and the gas blends are suggested with mean deviation being as low as about 7%. A new blending methodology is developed to describe the C1-C3 alkanes/H2 blends at elevated pressure and temperature conditions. Correlations describing the effect of EGR on the ignition delay time are further developed.

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