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Chinese Journal of High Pressure Physics  > 2011  >  25(5): 429-434 .
ZHU Sun-Ke, CHEN Er-Yun, MA Da-Wei, LE Gui-Gao. Numerical Simulation of Unsteady-State Underexpanded Jet Using Positive Schemes[J]. Chinese Journal of High Pressure Physics, 2011, 25(5): 429-434 . doi: 10.11858/gywlxb.2011.05.008
Citation: ZHU Sun-Ke, CHEN Er-Yun, MA Da-Wei, LE Gui-Gao. Numerical Simulation of Unsteady-State Underexpanded Jet Using Positive Schemes[J]. Chinese Journal of High Pressure Physics, 2011, 25(5): 429-434 . doi: 10.11858/gywlxb.2011.05.008
shu

Numerical Simulation of Unsteady-State Underexpanded Jet Using Positive Schemes

doi: 10.11858/gywlxb.2011.05.008
  • 1.

    School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China;

  • 2.

    School of Energy and Power Engineering, Shanghai University of Science and Technology, Shanghai 200093, China

More Information
  • Corresponding author: MA Da-Wei
  • Received Date: 04 May 2010
  • Rev Recd Date: 30 Sep 2010
  • Publish Date: 15 Oct 2011
    Abstract
  • A numerical simulation of unsteady-state underexpanded jet was carried out using second order positive schemes, which was developed to solve the axisymmetric Euler equations based on two dimensional conservation laws. Computational results indicate that the method can capture the wave structures of jet flowfields including expansion fan, incident shock, reflected shock, Mach disk, jet boundary and the triple point well. Agreements between the numerical results and experimental or existed numerical results are fairly satisfactory. It indicates that the present method has high capability in capturing shocks without numerical oscillation near discontinuous points.

     

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