Abstract
A numerical model for premixed gaseous turbulent combustion is investigated, where the combustion process is modelled in terms of a single transport equation for a reaction progress variablecThe reaction term of the progress variable is modelled with an efficient turbulent flame speed closure approach. The model is checked by comparing numerical results with experimental data from a turbulent premixed V-shaped flame, where the conditions of the approaching turbulent flow and of the chemical processes have been varied separately. Regarding the simple structure of this model, it is found to predict the flame shape and flame width well. Further extension of the model account for local variations of stoichiometry, allowing to consider the entrainment of additional air. With that, it was possible to calculate turbulent Bunsen flames of significantly different size (Reynolds number 7000 and 44000) and a free standing turbulent premixed low swirl stabilized flame for different flow conditions
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© 2002 Springer-Verlag Berlin Heidelberg
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Dinkelacker, F. (2002). Numerical Calculation of Turbulent Premixed Flames with an Efficient Turbulent Flame Speed Closure Model. In: Breuer, M., Durst, F., Zenger, C. (eds) High Performance Scientific And Engineering Computing. Lecture Notes in Computational Science and Engineering, vol 21. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-55919-8_9
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DOI: https://doi.org/10.1007/978-3-642-55919-8_9
Publisher Name: Springer, Berlin, Heidelberg
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