A direct simulation Monte Carlo based approach is proposed to model the planar shock-wave reflection in a shock tube. The approach is validated through comparisons with available time-dependent pressure and absorbance measurements of gas relaxation behind a reflected shock in an argon–oxygen gas mixture for incident shock velocities of 1 1.5    km / s . It is then used to model reacting airflows for velocities 2 3    km / s , with the primary focus on the flow evolution inside the boundary layer. The feasibility of using the reflected shock configuration for the evaluation of vibrational energy accommodation, as well as the gas-phase recombination reaction rate constants, is studied. Finally, low- and high- fidelity real gas effect models are used to assess the model impact on gas macroparameters under nonequilibrium conditions.


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    Title :

    Particle Modeling of Reflected Shock Waves


    Contributors:

    Published in:

    Publication date :

    2021-12-29


    Size :

    10 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





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