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A numerical and experimental study of coaxial jets

  • Author(s): Nikjooy, M
  • Karki, KC
  • Mongia, HC
  • McDonell, VG
  • Samuelsen, GS
  • et al.
Abstract

An algebraic stress model and the standard k-ε{lunate} model is applied to predict the mean and turbulence quantities for axisymmetric, nonswirling coaxial jets without confinement. To investigate discretization schemes, namely, hybrid, power-law, and the flux-spline, are employed. In addition, an experimental study is conducted to provide data of good quality, especially near the inlet, for model assessment. The results show that the use of the algebraic stress model leads to better agreement between the numerical results and experimental data. © 1989.

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