The noise spectra of industrial and domestic oil-burner installations are presented and considered. Methods of reducing the noise from domestic burners, steam-raising boiler-burner units, and oxy-fuel burners are discussed, together with the results of experiments carried out. From an examination of the possible noise- generating mechanisms in burning fuel sprays it is shown that the process of atomization can influence the noise spectrum, especially when it becomes acoustically coupled with the environment.
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