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Numerical simulation of 1-D unsteady two-phase flows with shocks

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Abstract

In the present paper, random-choice method (RCM) and second-order GRP difference method, which are high resolution methods used for pure gas flows with shocks, are extended and employed to study the problem of one-dimensional unsteady two-phase flows. The two-phase shock wave and the flow field behind it in a dusty gas shock tube are calculated and the time-dependent change of the flow parameters for the gas and particle phase are obtained. The numerical results indicate that both the two methods can give the relaxation structure of the two-phase shocks with a sharp discontinuous front and that the GRP method has the advantages of less time-consuming and higher accuracy over the RCM method.

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Authors and Affiliations

  1. University of Science and Technology of China, Hefei

    Wu Qing-song

  2. Institute of Mechanics, Academic Sinica, Bei**g

    Wang Bo-yi

Authors
  1. Wu Qing-song
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  2. Wang Bo-yi
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Communicated by Li Jia-chun

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Qing-song, W., Bo-yi, W. Numerical simulation of 1-D unsteady two-phase flows with shocks. Appl Math Mech 13, 629–635 (1992). https://doi.org/10.1007/BF02456086

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  • DOI: https://doi.org/10.1007/BF02456086

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