RANS studies of hydrogen-enrichment premixed turbulent flames

Muppala, Siva PR and Vasudevan, Sooraj Paleli M (2021) RANS studies of hydrogen-enrichment premixed turbulent flames. In: ICAMEI-2021: 3rd International Conference on Advances in Mechanical Engineering and its Interdisciplinary Areas; 05 - 07 Jan 2021, College of Engineering & Management, Kolaghat, India (held online). ISSN (print) 1757-899X


In this study, we show numerical predictions of the Zimont and Peter’s turbulent flame speed models for low-swirl Methane/Air/Hydrogen flames [1]. These models are contained as default options within the ANSYS Fluent Premixed reaction model. Two distinct simulation tasks as part of the present study are – non-reacting and reacting flows, for with three different methane mixtures in compositions added with – 0, 40 and 60% hydrogen. The results show that the RANS approach provides a reasonable prediction of the cold flow conditions, whilst the reacting flow conditions, good agreement is reached up to 40% enrichment, except near the recirculation region,.

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