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Investigation into Characteristics of Combustion of n-Heptane Sprayed by Jet of Steam or Air

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Abstract

This work investigates experimentally the thermal and environmental performance of combustion of n-heptane sprayed by superheated steam and heated air in a laboratory atmospheric burner. The one-component analogue n-heptane (formula C7H16) is often used for numerical simulation of diesel fuel combustion. The results obtained are compared with data on diesel fuel. It is shown that during combustion of n-heptane atomized by a steam jet, all the main features typical of combustion of liquid hydrocarbons with supply of steam are retained. High completeness of the fuel combustion is ensured, and the emission of nitrogen oxides and carbon monoxide is reduced in comparison with air combustion. The CO emission per combustion of 1 kg of n-heptane is about three times lower at steam atomization than that at air spraying, and NOx is about two times lower. The experimental results are topical for verification of results of numerical calculations in relation to study of combustion of liquid fuel sprayed with a jet of superheated steam (or air).

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Authors and Affiliations

  1. Kutateladze Institute of Thermophysics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia

    I. S. Anufriev, E. P. Kopyev, M. A. Mukhina & I. S. Sadkin

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  1. I. S. Anufriev
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  2. E. P. Kopyev
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  3. M. A. Mukhina
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  4. I. S. Sadkin
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Correspondence to I. S. Anufriev.

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Anufriev, I.S., Kopyev, E.P., Mukhina, M.A. et al. Investigation into Characteristics of Combustion of n-Heptane Sprayed by Jet of Steam or Air. J. Engin. Thermophys. 31, 420–428 (2022). https://doi.org/10.1134/S1810232822030055

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  • DOI: https://doi.org/10.1134/S1810232822030055

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