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Dynamics of condensate migration in porous media under ambient treatments

机译：环境处理下多孔介质中凝析油迁移的动力学

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摘要

This study is aimed to observe influence of ambient temperature treatments toward lateral migration-flow dynamics of condensate in porous media with different wettability. This observation is conducted by varying the temperatures of saturated vapor-air mixture streamed over the porous bed, of glass-beads and alumina-balls, in a condensation chamber. Walls of the chamber are controlled, respectively, at constant ambient-temperature and at constant temperature-ratio between the ambient to the mixture. In this study, it is known that the ambient temperature influences on gradient of condensate concentration, whereas the wettability affects on resistivity of condensate penetration. By evaluating on subcooling-, diffusive-, and perturbation-parameter, it is identified that the condensate migrates in Darcian regime. In this regime, however, based on visualized evidence and on modified Lyapunov-exponent-base for a finger propagation, it does not only prove that the migration is in uniform- or periodic-dominant flow, but also found nonperodic-dominant character, which creates a separate subregime. Hereafter, temporal chaotic-propagation cases are found in this subregime.
机译：这项研究的目的是观察环境温度处理对不同润湿性的多孔介质中凝析油横向迁移-流动动力学的影响。观察是通过改变冷凝室中流过多孔床（玻璃珠和氧化铝球）的饱和蒸气-空气混合物的温度来进行的。分别在恒定的环境温度和在环境与混合物之间的恒定的温度比下控制腔室的壁。在这项研究中，已知环境温度会影响凝结水浓度梯度，而润湿性会影响凝结水渗透的电阻率。通过评估过冷，扩散和摄动参数，可以确定凝结水在达西地区迁移。但是，在这种情况下，基于可视化的证据和经过改进的用于手指传播的李雅普诺夫指数基础，它不仅证明迁移以均匀或周期性主导流动，而且还发现了非周期性主导特征。创建一个单独的子区域。此后，在此子区域中发现了时间混沌传播的情况。

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  • 来源
    《》|2011年|p.19-24|共6页
  • 会议地点 Corfu Island(GR);Corfu Island(GR);Corfu Island(GR);Corfu Island(GR);Corfu Island(GR);Corfu Island(GR);Corfu Island(GR);Corfu Island(GR)
  • 作者

    Eko Siswanto; Hiroshi Katsurayama; Yasuo Katoh;

  • 作者单位

    Yamaguchi University, Science and Engineering, Mechanical Engineering Dept., 2-16-1 Tokiwadai, Ube, Yamaguchi 755-8611, Japan Brawijaya University, Mechanical Eng. Dept., Malang, Indonesia;

    Yamaguchi University, Science and Engineering, Mechanical Engineering Dept., 2-16-1 Tokiwadai, Ube, Yamaguchi 755-8611, Japan;

    Yamaguchi University, Science and Engineering, Mechanical Engineering Dept., 2-16-1 Tokiwadai, Ube, Yamaguchi 755-8611, Japan;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 机械制造工艺;
  • 关键词

    dynamics; condensate migration; porous media; ambient temperature; chaotic propagation;

    机译：动力学;冷凝水迁移；多孔介质环境温度混沌传播;

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