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The Use of a Laser Doppler Anemometer to Investigate Vortex Structures in Highly Turbulent Swirl Flow When There Are Predominant Fluctuations

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Measurement Techniques Aims and scope

Abstract

The modeling and experimental investigation of large-scale vortex structures at the exit of a model burner of a low-emission combustion chamber when there is artificial generation of air flow-rate fluctuations are considered. A method for the diagnostics of vortex structures is developed using a two-component laser Doppler anemometer, which enables vortex structures in the jet mixing zone to be distinguished. The intensity of the swirling of the flow is calculated. A simplified rapid method of vortex-structure diagnostics is proposed, which significantly reduces the time of the experiment and the number of measurements required.

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Authors
  1. A. A. Belokon'
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  2. B. I. Brainin
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  3. A. N. Vorob'ev
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  4. V. P. Maslov
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  5. B. I. Mineev
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  6. K. M. Khritov
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Belokon', A.A., Brainin, B.I., Vorob'ev, A.N. et al. The Use of a Laser Doppler Anemometer to Investigate Vortex Structures in Highly Turbulent Swirl Flow When There Are Predominant Fluctuations. Measurement Techniques 45, 836–842 (2002). https://doi.org/10.1023/A:1021114411226

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  • DOI: https://doi.org/10.1023/A:1021114411226

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