Title

Methane/Propane Oxidation At High Pressures: Experimental And Detailed Chemical Kinetic Modeling

Keywords

Chemical kinetics; Fuel blends; High pressure; Ignition; Methane; Propane; Shock tube

Abstract

Shock tube experiments and chemical kinetic modeling were performed to further understand the ignition and oxidation kinetics of various methane-propane fuel blends at gas turbine pressures. Ignition delay times were obtained behind reflected shock waves for fuel mixtures consisting of CH 4/C3H8 in ratios ranging from 90/10% to 60/40%. Equivalence ratios varied from lean (Φ = 0.5), through stoichiometric to rich (Φ = 3.0) at test pressures from 5.3 to 31.4 atm. These pressures and mixtures, in conjunction with test temperatures as low as 1042 K, cover a critical range of conditions relevant to practical turbines where few, if any, CH4/C3H8 prior data existed. A methane/propane oxidation mechanism was prepared to simulate the experimental results. It was found that the reactions involving CH3O, CH3O2, and CH3 + O2/HO2 chemistry were very important in reproducing the correct kinetic behavior.

Publication Date

1-1-2007

Publication Title

Proceedings of the Combustion Institute

Volume

31 I

Issue

1

Number of Pages

447-454

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1016/j.proci.2006.08.034

Socpus ID

34548724090 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/34548724090

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