Calculation of the flow of a Viessmann RotriX swirl burner to assess the recirculation behaviour and the potential for NO_x reduction
by Volker Pawlik, Werner Klausmann
Progress in Computational Fluid Dynamics, An International Journal (PCFD), Vol. 1, No. 1/2/3, 2001

Abstract: Increasing importance is being attached to the reduction of nitrogen oxides in the combustion of liquid fuels. The recirculation rate of the flue gases plays a vital part in this. Measurements as well as numerical calculations were carried out with the aim of predicting recirculation behaviour. This paper presents the isothermal numerical calculation of the flow field produced by a Viessmann RotriX swirl burner. For the purposes of the calculation, use was made both of different discretization methods (first and second order) and turbulence models (RNG-k-ε, RSM). In some cases, the calculation results were validated by measurements.

Online publication date: Fri, 04-Jul-2003

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