Abstract
The important requirement for the development of burners is the achievement of low emissions, particularly NO x , while maintaining high combustion efficiency. In this work, an externally oscillated oil burner was developed which provides both high-efficiency combustion and low NO x emission simultaneously. To investigate combustion characteristics and NO x emission, parametric studies were carried out about oscillation frequency, forcing amplitude, and air velocity. Optimum combustion was achieved at frequency of 1,900 Hz, amplitude of 3 V pp , and air velocity of 6.8 m/s. The NO x and CO emissions were reduced by 47% and 22%, respectively. In particular, the mechanism responsible for the inherently low NO x emission levels from an externally oscillated oil burner has been shown to be a short residence time at high temperature caused by rapid mixing with cooler residual gases.
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Kim, S.C., Chun, Y.N. Improvement of combustion efficiency and reduction of NO x emission by external oscillation of reactants in an oil burner. Korean J. Chem. Eng. 25, 73–77 (2008). https://doi.org/10.1007/s11814-008-0012-7
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DOI: https://doi.org/10.1007/s11814-008-0012-7