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The Entrainment Rate for a Row of Turbulent Circular Jets

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Book cover Instabilities and Turbulence in Engineering Flows

Part of the book series: Fluid Mechanics and Its Applications ((FMIA,volume 16))

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Abstract

Entrainment rates are presented for a row of isothermal subsonic air jets issuing into a quiescent atmosphere. Results are presented for jet spacing to diameter ratios ranging from 2.5 to 20, and for jet Reynolds numbers ranging from 5110 to 12070. The entrainment rates vary monotonically with spacing ratio, falling between the limiting cases of the single circular jet and the slot jet. The entrainment rate variation with distance from the jet sources corresponds to an initial linear growth representative of individual jets merging downstream into a quasi-two-dimensional behavior.

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References

  • Albertson, M. J., Dai, Y. B., Jensen, R. A., and Rouse, H., 1950. “Diffusion of submerged jets,” Transactions ASCE, pp. 639–697.

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  • Gordon, E. B., 1986. “The entrainment rate for a row of turbulent jets,” Master’s Thesis, Department of Mechanical and Aerospace Engineering, Case Western Reserve University, May.

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  • Ricou, F. P. and Spalding, D. P., 1961. “Measurements of entrainment by axisymmetric turbulent jets,” Journal of Fluid Mechanics 11, pp. 21–32.

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  • Schlichting, H., 1979. Boundary Layer Theory, McGraw-Hill Book Company, New York.

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Author information

Authors and Affiliations

  1. American Gas Association Laboratories, Independence, Ohio, 44135, USA

    Eliott B. Gordon

  2. Department of Mechanical and Aerospace Engineering, Case Western Reserve University, Cleveland, Ohio, 44106, USA

    Isaac Greber

Authors
  1. Eliott B. Gordon
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  2. Isaac Greber
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Editor information

Editors and Affiliations

  1. NASA Lewis Research Center, Cleveland, OH, USA

    D. E. Ashpis

  2. NASA Langley Research Center, Hampton, VA, USA

    T. B. Gatski

  3. National Science Foundation, Washington, D.C., USA

    R. Hirsh

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© 1993 Springer Science+Business Media Dordrecht

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Gordon, E.B., Greber, I. (1993). The Entrainment Rate for a Row of Turbulent Circular Jets. In: Ashpis, D.E., Gatski, T.B., Hirsh, R. (eds) Instabilities and Turbulence in Engineering Flows. Fluid Mechanics and Its Applications, vol 16. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-1743-2_17

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  • DOI: https://doi.org/10.1007/978-94-011-1743-2_17

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-4764-7

  • Online ISBN: 978-94-011-1743-2

  • eBook Packages: Springer Book Archive

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