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Experimental and Numerical Study on Combustion Characteristics of Hydrogen-Argon Jet in a Hot Vitiated Co-flow
Technical Paper
2018-01-1139
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
This paper presents a study of the Hydrogen/Argon lifted flames in a hot vitiated co-flow. The effects of the dilution of argon in central fuel, the volume fraction of argon in the central fuel, co-flow temperature and the velocity of the central jet on the flame lift-off length were studied, and the numerical simulation with PDF model were analyzed as well. The results could provide theoretical supports for the research of the hydrogen fueled argon cycle engine which is a potential way not only to increase the indicated thermal efficiency of internal combustion engine but also realize the zero emission. The result shows that at the same boundary condition the central jet of H2+Ar has a lower lift-off length than the central jet of H2+N2. By the numerical simulation, the jet flame of H2+Ar has a higher maximum temperature and maximum OH concentration. It indicated that the dilution of argon could promote the combustion reaction.
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Gong, Y., Zhan, Y., Deng, J., and Wu, Z., "Experimental and Numerical Study on Combustion Characteristics of Hydrogen-Argon Jet in a Hot Vitiated Co-flow," SAE Technical Paper 2018-01-1139, 2018, https://doi.org/10.4271/2018-01-1139.Data Sets - Support Documents
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