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首页> 外文期刊>Journal of engineering thermophysics >Numerical and Analytical Approaches to Modeling Critical Two-Phase Flow with Granular Layer
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Numerical and Analytical Approaches to Modeling Critical Two-Phase Flow with Granular Layer

机译：用颗粒层建模临界两相流量的数值和分析方法

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摘要

Based on data obtained in the previous experimental study conducted by the authors, two approaches are proposed for analytical and numerical modeling of a critical two-phase flow in a pipe with a granular layer. An analytical approach is based on a polytrophic model, while a numerical approach was developed using a smoothed particle hydrodynamics method. A model of isenthalpic flow of vapor-water mixture in a fixed bed of solid particles is considered is this study. The mixture expansion process is considered to be polytropic. Similarly to the known problem of gas dynamics of a granular bed, an analytical relationship for calculation of a critical mass velocity was obtained. The results of the calculation based on the analytical and numerical models were compared with the experimental data and agreement between analytical and numerical data and the experiment was observed.
机译：基于作者之前进行的实验研究中获得的数据，提出了两种方法来分析和数值模拟含颗粒层管道中的临界两相流。分析方法基于多营养模型，而数值方法则使用平滑粒子流体动力学方法。本文研究了固体颗粒固定床内汽-水混合物的等焓流动模型。混合物膨胀过程被认为是多变的。与已知的颗粒床气体动力学问题类似，获得了计算临界质量速度的解析关系式。将基于解析和数值模型的计算结果与实验数据进行了比较，发现解析和数值数据与实验结果一致。

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    Pokusaev B. G.; Tairov E. A.; Khan P. V.; Khramtsov D. P.;

  • 作者单位

    Moscow Polytech Inst Ul B Semyonovskaya 38 Moscow 107023 Russia;

    Russian Acad Sci Melentiev Energy Syst Inst Siberian Branch Ul Lermontova 130 Irkutsk 664033 Russia;

    Russian Acad Sci Melentiev Energy Syst Inst Siberian Branch Ul Lermontova 130 Irkutsk 664033 Russia;

    Moscow Polytech Inst Ul B Semyonovskaya 38 Moscow 107023 Russia;

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  • 正文语种 eng
  • 中图分类 热力工程、热机;
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