A Simplified Reaction Scheme for the Combustion of Hydrogen Enriched Methane/Air Flame

E. Sher; S. Refael

doi:10.1080/00102208808947106

A Simplified Reaction Scheme for the Combustion of Hydrogen Enriched Methane/Air Flame

E. Sher, S. Refael

Department of Mechanical Engineering

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

35 Scopus citations

Abstract

A mechanism consisting of 18 chemical reactions is proposed to simulate the combustion of hydrogen-enriched methane/air mixtures. These include 17 elementary reactions and one global reaction to represent the C₂channel. The simplified reaction scheme has been selected from a comprehensive reaction scheme by using time dependent kinetic flow charts. This technique is also presented in this paper. Good agreements with experimental observations of other investigators were achieved for a wide range of initial conditions. These include 80 KPa P 2 MPa, 280 K T650 K, 0.4 Φ 1.5 and hydrogen to fuel mass ratios between 0 and 25 percent. A possible explanation for the double peak behavior of the burning velocity along an unburned gas isentrope, as observed by Milton and Keck, is proposed.

Original language	English
Pages (from-to)	371-389
Number of pages	19
Journal	Combustion Science and Technology
Volume	59
Issue number	4-6
DOIs	https://doi.org/10.1080/00102208808947106
State	Published - 1 Jun 1988

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering
Fuel Technology
Energy Engineering and Power Technology
General Physics and Astronomy

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abstract = "A mechanism consisting of 18 chemical reactions is proposed to simulate the combustion of hydrogen-enriched methane/air mixtures. These include 17 elementary reactions and one global reaction to represent the C2channel. The simplified reaction scheme has been selected from a comprehensive reaction scheme by using time dependent kinetic flow charts. This technique is also presented in this paper. Good agreements with experimental observations of other investigators were achieved for a wide range of initial conditions. These include 80 KPa P 2 MPa, 280 K T650 K, 0.4 Φ 1.5 and hydrogen to fuel mass ratios between 0 and 25 percent. A possible explanation for the double peak behavior of the burning velocity along an unburned gas isentrope, as observed by Milton and Keck, is proposed.",

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N2 - A mechanism consisting of 18 chemical reactions is proposed to simulate the combustion of hydrogen-enriched methane/air mixtures. These include 17 elementary reactions and one global reaction to represent the C2channel. The simplified reaction scheme has been selected from a comprehensive reaction scheme by using time dependent kinetic flow charts. This technique is also presented in this paper. Good agreements with experimental observations of other investigators were achieved for a wide range of initial conditions. These include 80 KPa P 2 MPa, 280 K T650 K, 0.4 Φ 1.5 and hydrogen to fuel mass ratios between 0 and 25 percent. A possible explanation for the double peak behavior of the burning velocity along an unburned gas isentrope, as observed by Milton and Keck, is proposed.

AB - A mechanism consisting of 18 chemical reactions is proposed to simulate the combustion of hydrogen-enriched methane/air mixtures. These include 17 elementary reactions and one global reaction to represent the C2channel. The simplified reaction scheme has been selected from a comprehensive reaction scheme by using time dependent kinetic flow charts. This technique is also presented in this paper. Good agreements with experimental observations of other investigators were achieved for a wide range of initial conditions. These include 80 KPa P 2 MPa, 280 K T650 K, 0.4 Φ 1.5 and hydrogen to fuel mass ratios between 0 and 25 percent. A possible explanation for the double peak behavior of the burning velocity along an unburned gas isentrope, as observed by Milton and Keck, is proposed.

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A Simplified Reaction Scheme for the Combustion of Hydrogen Enriched Methane/Air Flame

Abstract

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