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Calculation of isothermal turbulent three-dimensional free multijet flows (Q1903247)

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scientific article; zbMATH DE number 820352
Language Label Description Also known as
English
Calculation of isothermal turbulent three-dimensional free multijet flows
scientific article; zbMATH DE number 820352

    Statements

    title
    Calculation of isothermal turbulent three-dimensional free multijet flows (English)
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    author
    D. F. G. Durão
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    José C. F. Pereira
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    publication date
    25 April 1996
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    review text
    Numerical predictions of the turbulent three-dimensional isothermal free flow in the near-exit region of an industrial burner model are presented and compared with detailed measurements of mean and turbulent flow fields. The geometrical flow configuration consists of a central axisymmetric jet surrounded by 16 circular jets, simulating the injection of oxygen in practical oxyfuel burners. A numerical procedure is outlined for the calculation of free flows comprising elliptic flow regions. By using a higher-order accurate quadratic upstream scheme for convection discretization, it was possible to minimize the effect of numerical diffusion. This was confirmed by an error estimation analysis. The predictions of the mean flow characteristics exhibit satisfactory agreement with the experiments.
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    zbMATH Keywords
    isothermal flow
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    finite volume methods
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    near-exit region
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    industrial burner model
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    injection of oxygen
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    elliptic flow regions
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    quadratic upstream scheme
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    error estimation
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    Identifiers

    zbMATH DE Number
    820352
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    OpenAlex ID
    W2002442152
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