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The Influence of Swirl Generator Characteristics on Flow and Combustion in Turbulent Diffusion Flames

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Aerothermodynamics in Combustors

Abstract

The present paper discusses experimental work to investigate the influence of swirl generator characteristics on the aerodynamic properties of unconfined turbulent swirl jets and the combustion behavior of unconfined swirl flames.

The distribution of the tangential velocity component at the burner exit characterizes different types of vortices typical of each swirl generator. These different vortices may be described by a modified solid body vortex approach. Swirl generators producing similar vortices generate swirl jets and swirl flames with similar properties.

Swirl intensity is described by means of a swirl number. The paper discusses the prediction of swirl numbers from swirl generator design data and the validation of these numbers by measurement.

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Literature

  1. Mundus, B.; Kremer, H.: Untersuchung des Verbrennungsverlaufs verdrallter Diffusionsflammen in Abhängigkeit von der Art der Drallerzeugung. GWI report No. 8357, 1990

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  2. Mundus, B.: Über den Einfluß der Drallerzeugerkonstruktion auf das Strömungs-und Reaktionsfeld turbulenter Diffusionsflammen. Thesis, Bochum University, 1990

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  3. Beer, J.M.; Chigier, N.A.: Combustion Aerodynamics. Applied Science Publishers Ltd, 1972

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  4. Leuckel, W.: Swirl intensities, swirl types and energy losses of different swirl generating devices. IFRF, Ijmuiden, Nov. 1967, G 02/a/16

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  5. Mundus, B.; Kremer, H.: Untersuchung der strömungstechnischen Eigenschaften unterschiedlicher Bauformen von Drallerzeugern. GWI report No. 7734, 1988

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Author information

Authors and Affiliations

  1. Gaswärme-Institut e. V., Essen, Germany

    B. Mundus

  2. Ruhr-Universität Bochum, Bochum, Germany

    H. Kremer

Authors
  1. B. Mundus
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  2. H. Kremer
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Editor information

Editors and Affiliations

  1. Dept. of Mechanical Engineering, State University of New York, 11794-2300, Stony Brook, NY, USA

    Richard S. L. Lee

  2. Mechanical Engineering Dept., Imperial College, Exhibition Road, SW 7 2BX, London, UK

    James H. Whitelaw

  3. Institute of Applied Mechanics, National Taiwan University, Taipei, Taiwan 106, Republic of China

    T. S. Wung

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© 1992 Springer-Verlag Berlin Heidelberg

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Mundus, B., Kremer, H. (1992). The Influence of Swirl Generator Characteristics on Flow and Combustion in Turbulent Diffusion Flames. In: Lee, R.S.L., Whitelaw, J.H., Wung, T.S. (eds) Aerothermodynamics in Combustors. International Union of Theoretical and Applied Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-84755-4_6

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  • DOI: https://doi.org/10.1007/978-3-642-84755-4_6

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-84757-8

  • Online ISBN: 978-3-642-84755-4

  • eBook Packages: Springer Book Archive

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