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首页> 外文期刊>Journal of Heat Transfer >Analysis of Particle Image Velocimetry Measurements of Natural Convection in an Enclosure Using Proper Orthogonal Decomposition
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Analysis of Particle Image Velocimetry Measurements of Natural Convection in an Enclosure Using Proper Orthogonal Decomposition

机译:正确正交分解的封闭空间自然对流粒子图像测速分析

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摘要

This work investigates natural convection in an enclosure with localized heating on the bottom wall with a flushed or protruded heat source and cooled on the top and the side walls. Velocity field measurements are done by using 2D particle image velocimetry (PIV) technique. Proper orthogonal decomposition (POD) has been used to create low dimensional approximations of the system for predicting the flow structures. The POD-based analysis reveals the modal structure of the flow field and also allows reconstruction of velocity field at conditions other than those used in PIV study.
机译:这项工作研究的是封闭空间中自然对流的情况,该空间在底壁上具有局部加热,并具有冲洗或突出的热源,并在顶壁和侧壁上进行了冷却。速度场测量是通过使用2D粒子图像测速(PIV)技术完成的。适当的正交分解(POD)已用于创建系统的低维近似值,以预测流动结构。基于POD的分析揭示了流场的模态结构,并且还允许在非PIV研究中使用的条件下重建速度场。

著录项

  • 来源
    《Journal of Heat Transfer》 |2015年第12期|124502.1-124502.4|共4页
  • 作者单位

    Department of Mechanical Engineering, Jadavpur University, Kolkata 700032, India;

    Department of Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, VA 24061;

    Department of Mechanical Engineering, Jadavpur University, Kolkata 700032, India;

    Department of Mechanical Engineering, Jadavpur University, Kolkata 700032, India;

    Department of Mechanical Engineering, Jadavpur University, Kolkata 700032, India;

    Department of Mechanical Engineering, Jadavpur University, Kolkata 700032, India;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    natural convection; PIV; POD; modes; reconstruction;

    机译:自然对流;PIV;荚;模式;重建;

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