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Title: Investigation on the Flame Tilt Characteristics of Hydrogen/Propane Mixture Diffusion Jets in Cross Flow: Parameter Analysis Based on the Hydrogen Blending Fraction // Proceedings of the Ninth International Seminar on Fire and Explosion Hazards. Vol. 2: 21-26 April 2019, Saint Petersburg, Russia
Creators: Chen X.; Wang Q.; Lu S. X.; Wang J. W.
Organization: University of Science and Technology of China; Hefei University of Technology
Imprint: Saint Petersburg, 2019
Collection: Общая коллекция
Document type: Article, report
File type: PDF
Language: English
DOI: 10.18720/SPBPU/2/k19-121
Rights: Свободный доступ из сети Интернет (чтение, печать, копирование)

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An experimental study of hydrogen/propane mixture diffusion jets in cross flow has been performed to obtain the jet flame tilt characteristics when considering the combined effect of the cross flow and hydrogen blending fraction. The pipe nozzle with an inner diameter of 4 mm was employed in the experiments, using hydrogen and propane as the fuel jet velocity in the range of 11.06-49.76 m/s. The cross wind speed changed from 0.5 to 1.5 m/s. The experimental results showed that the hydrogen/propane mixed jet flame evolution was affected by the hydrogen blending fraction and cross flow wind. The flame trajectory length decreases with increasing the hydrogen fraction. The flame tilt angle decreases with the hydrogen blending fraction for a given mean jet velocity. Moreover, a simplified theoretical analysis was adopted to discuss the flame height and hydrogen blending fraction.

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