Abstract
Compared to classical combustion methods, pulse combustion is a qualitative step forward also in terms of a more intensive heat transfer resulting from turbulent pulsating flue gas flow. This phenomenon is to some extent experimentally dealt through extensive research of pulse combustion characteristics of gas fuel in water-cooled burner of simple and modular geometry with aerodynamic valves. During the research, the heat exchanger is considered as cocurrent or countercurrent depending on the flow of working fluids, whereby the data on which the dependence of heat transfer intensity from the pulsating flue gas flow to the water as heat receiver can be established. It has been shown that the heat transfer coefficient in the pulse flow depends on the burner geometry - the distance between the end of the resonant pipe and the heat exchanger inlet, and the thermal load of the burner. For certain burner geometries and thermal loads, the heat transfer coefficient in pulsating flue gas flow is more than 2 times the heat transfer coefficient in developed turbulent flow without pulsations.
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Hodzic, N., Metovic, S., Blazevic, R., Delic, S. (2020). Laboratory Research of the Influence of Pulsating Flow of Flue Gases at the Heat Transfer. In: Karabegović, I. (eds) New Technologies, Development and Application II. NT 2019. Lecture Notes in Networks and Systems, vol 76. Springer, Cham. https://doi.org/10.1007/978-3-030-18072-0_52
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DOI: https://doi.org/10.1007/978-3-030-18072-0_52
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