The paper presents the results of a study of diffusion combustion of gasoline in the presence of external pressure pulsations with small amplitude. It is found that external pressure pulsations lead to characteristic changes in the temperature field, which are expressed by an increase in the amplitude of the temperature pulsation for certain modes of pressure pulsations. Analysis of the spectra of temperature changes in the entire recorded area showed an uneven distribution of frequency maxima.
The paper presents the effect of low amplitude acoustic pulsations on the temperature field in a flame formed during gasoline combustion. The analysis of the high-temperature inhomogeneities distribution in the flame plume is carried out. It is shown that the effect of acoustic vibrations on the flame plume causes a change in the height of the flame and a change in the rate combustion of the fuel. After analyzing the spectra of temperature changes, the characteristic pulsations are noticed. They differ, depending on the flame zone.
The paper presents the experimental study results on the effect of external pressure fluctuations on the temperature field in a flame during the combustion of certain liquid hydrocarbon fuels. It is determined that the height of the flame is changed with an external effect occurrence in the form of small amplitude pressure pulsations. Identified oscillations correspond to the frequency of external sound exposure in the spectrum of flame temperature change.
This paper represents an experimental study of the effect of low-amplitude external-pressure fluctuations on the field of temperatures in flame during the combustion of some liquid hydrocarbon fuels.
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