Prediction of heated jet radiation with account of turbulent fluctuations

Andrey I. Bril; Vitaliy P. Kabashnikov; Yuri V. Khodyko; Olga Zhdanovich

doi:10.1117/12.281386

22 September 1997 Prediction of heated jet radiation with account of turbulent fluctuations

Andrey I. Bril, Vitaliy P. Kabashnikov, Yuri V. Khodyko, Olga Zhdanovich

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Proceedings Volume 3110, 10th Meeting on Optical Engineering in Israel; (1997) https://doi.org/10.1117/12.281386
Event: 10th Meeting on Optical Engineering in Israel, 1997, Jerusalem, Israel

Abstract

The results of the investigations of turbulent fluctuation influence on heat radiation of hydrocarbon fuel combustion jets are presented. These results show that temperature fluctuations are one of the basic factors forming radiation fields on non-reactive jets. The approach used is based on optically thin pulsation approximation that allow to account for temperature fluctuation contribution using local averaging of optical characteristics in radiation transfer equation. Such averaging may be completed using model probability density functions (PDF) of temperature and concentration. Several PDF models were verified on the basis of measured and calculated jet IR radiance comparison.

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Andrey I. Bril, Vitaliy P. Kabashnikov, Yuri V. Khodyko, and Olga Zhdanovich "Prediction of heated jet radiation with account of turbulent fluctuations", Proc. SPIE 3110, 10th Meeting on Optical Engineering in Israel, (22 September 1997); https://doi.org/10.1117/12.281386

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