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首页> 外文期刊>International Journal of Heat and Mass Transfer >Flow structure, wall pressure and heat transfer characteristics of impinging annular jet with/without steady swirling
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Flow structure, wall pressure and heat transfer characteristics of impinging annular jet with/without steady swirling

机译：带有/不带有稳定旋流的冲击环形射流的流动结构，壁压和传热特性

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摘要

The detailed impinging annular jet characteristics with/without induced swirling motion are experimentally studied. Obtained flow and wall pressure data confirm the classical observation for conventional annular impinging jet, with the flow exhibiting simple round impinging jet-like features at sufficiently large separation distances. In contrast, no such transition occurs in the presence of swirling. At short and intermediate separation distances, the swirling annular jet causes more non-uniform distributions of wall pressure and heat transfer on the impingement plate compared to the conventional annular jet. However, the reverse holds at large separation distances.
机译：实验研究了带有/不带有引起涡旋运动的详细撞击环形射流特性。所获得的流量和壁压数据证实了常规环形撞击射流的经典观测，在足够大的分离距离下，该射流表现出简单的圆形撞击射流状特征。相反，在存在涡旋的情况下不会发生这种过渡。与传统的环形射流相比，在短距离和中间分离距离处，旋转的环形射流在冲击板上引起壁压力和传热的更多不均匀分布。然而，相反的情况在较大的分离距离处成立。

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  • 来源
    《International Journal of Heat and Mass Transfer》 |2010年第20期|P.4092-4100|共9页
  • 作者

    H.Q. Yang; T. Kim; T.J. Lu; K. Ichimiya;

  • 作者单位

    Ministry of Education Key Laboratory for Strength and Vibration, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China;

    rnMinistry of Education Key Laboratory for Strength and Vibration, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China School of Mechanical, Industrial and Aeronautical Engineering, University of the Witwatersrand, Johannesburg, South Africa;

    rnMinistry of Education Key Laboratory for Strength and Vibration, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China;

    rnInterdisciplinary Graduate School of Medicine and Engineering, Mechanical Systems Engineering, University of Yamanashi, Yamanashi 400-8511, Japan;

  • 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

    annular jet; flow structure; heat transfer; pressure distribution; swirling;

    机译：环形射流流结构传播热量;压力分布旋流;

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