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Studying the development and interrelation of transfer processes during the combustion of a hydrogen jet flowing from a slit into the air

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Thermophysics and Aeromechanics Aims and scope

Abstract

This work examines the transition from kinetic to diffusion combustion using optical diagnostic methods. Experimental data were obtained on the temperature fields, composition and velocity of gas near the leading edge of a hydrogen flame flowing from a 2×20 mm slit into the air. The distribution of the rate of combustion product formation, the intensity of heat release and pressure was obtained using the method of balances in equations of energy, momentum, and mass transfer. It is shown that during the transition to diffusion combustion, heat release along the flame length decreases more slowly than the rate of water formation.

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Authors and Affiliations

  1. Kutateladze Institute of Thermophysics SB RAS, Novosibirsk, Russia

    B. F. Boyarshinov

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  1. B. F. Boyarshinov
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Correspondence to B. F. Boyarshinov.

Additional information

The author is grateful to S.Yu. Fedorov, R.Kh. Abdrakhmanov, and V.S. Naumkin for their contribution to the implementation of experiments and preparation of experimental data presented in this work.

The study was carried out in the framework of state assignment of IT SB RAS No. 121031800217-8.

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Boyarshinov, B.F. Studying the development and interrelation of transfer processes during the combustion of a hydrogen jet flowing from a slit into the air. Thermophys. Aeromech. 30, 1083–1093 (2023). https://doi.org/10.1134/S0869864323060112

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  • DOI: https://doi.org/10.1134/S0869864323060112

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