K-1702 超音速自由噴流の不安定現象(J08-1 熱流体現象の原子・分子論的アプローチ(1))(J08 熱流体現象の原子・分子論的アプローチ)

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  • K-1702 Unstable Phenomena in Supersonic Free Jet

抄録

Instability of supersonic free jets from a circular orifice is investigated by an experiment and calculations. Deformation of jet cross sections is photographed by the LIF method and petals-shaped cross sections are observed. The finite volume method calculates the similar petals-shaped cross sections in the density contours. The DSMC method also reproduces the deformation of density contours. Both simulations are processed in the three-dimensional flow field.

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