Effect of hydrogen mixing on the flame geometry of natural gas-powered equipment

Lévai, Emese and Bereczky, Ákos (2025) Effect of hydrogen mixing on the flame geometry of natural gas-powered equipment. POLLACK PERIODICA: AN INTERNATIONAL JOURNAL FOR ENGINEERING AND INFORMATION SCIENCES, 20 (2). pp. 119-123. ISSN 1788-1994

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Abstract

Energy strategies at the international level increasingly support the utilization of hydrogen for energy purposes. One way to do this is to mix hydrogen into natural gas, which is delivered by the network to the combustion equipment of consumers. The paper examines the expected changes that will occur if the maximum amount of hydrogen permitted by law is mixed into the natural gas network. According to our results, the inflowing heat quantity in the gas has decreased, which is compensated by the increased flow rate due to the reduced density. The flame image changes spectacularly, the flame becomes lower, the half-cone angle increases in case of hydrogen mixing. Another noteworthy result is that the temperature of the equipment's burner did not change significantly as a result of mixing. © 2024 The Author(s).

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