Theoretical investigation on N-heptane droplet ignition delay time using a 4-step mechanism

Details Theoretical investigation on N-heptane droplet ignition delay time using a 4-step mechanism Theoretical investigation on N-heptane droplet ignition delay time using a 4-step mechanism

Aug 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995adspr..16..153r&link_type=abstract

Advances in Space Research, Volume 16, Issue 7, p. 153-156.

Physics

1

Scientific paper

A mathematical model incorporating a 4-Step mechanism for the ignition of heptane/air mixtures, and heterogeneous processes is developed to investigate the ignition delay time of n-heptane droplets around 40 bar. The goal here is not only to calculate chemical species profiles, temperature profiles, etc., but also to obtain information about the ratio between the physical and chemical ignition delay time. The results are discussed as a function of the ambient temperature in the range of 600 K to 1400 K and the initial droplet radius in the range of 50 μm to 500 μm and compared with results by Müller /1/ for the chemical ignition delay time.

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