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Geometrical Parametric Analysis of Flow and Heat Transfer in the Shell Side of a Spiral-Wound Heat Exchanger

机译：螺旋缠绕式换热器壳侧流动与传热的几何参数分析

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摘要

The spiral-wound heat exchangers are widely used in chemical industrial applications, but the mechanism of flow and heat transfer in shell side has not been clarified yet. A three-dimensional model is developed based on the FLUENT software in this study, with emphasis on quantifying the effects of the main geometry parameters, such as the number of tube bundles, the number of tube layers, the thickness of space bars, the number of tubes per circle in the first layer, the tube external diameter, the central cylinder diameter, and the tube pitch in the first layer, on the flow and heat transfer. Based on the numerical simulation results, the Taguchi method is used to estimate the effect of these geometrical factors on flow and heat transfer and the contribution rate of every factor is obtained. Meanwhile, the multivariate correlation is developed by MATLAB software to calculate the Nusselt number and friction factor in the shell side.
机译：螺旋缠绕式换热器已广泛用于化学工业中，但壳侧的流动和传热机理尚未阐明。在此研究中，基于FLUENT软件开发了一个三维模型，重点在于量化主要几何参数的影响，例如管束的数量，管层的数量，空格键的厚度，数量第一层中每圈的管数，管的外径，中心圆柱体直径以及第一层中的管间距，取决于流动和传热。基于数值模拟结果，使用Taguchi方法估计这些几何因素对流动和传热的影响，并获得每个因素的贡献率。同时，通过MATLAB软件开发了多元相关性，以计算壳侧的Nusselt数和摩擦系数。

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  • 来源
    《Heat Transfer Engineering》 |2015年第11期|790-805|共16页
  • 作者

    MIN ZENG; GAOPENG ZHANG; YE LI; YUZHEN NIU; YUAN MA; QIUWANG WANG;

  • 作者单位

    Key Laboratory of Thermo-Fluid Science and Engineering, MOE, Xi'an Jiaotong University, Xi'an, Shaanxi, China;

    Key Laboratory of Thermo-Fluid Science and Engineering, MOE, Xi'an Jiaotong University, Xi'an, Shaanxi, China;

    Key Laboratory of Thermo-Fluid Science and Engineering, MOE, Xi'an Jiaotong University, Xi'an, Shaanxi, China;

    Kaifeng Air Separation Group CO., Ltd, Kaifeng, Henan, China;

    Kaifeng Air Separation Group CO., Ltd, Kaifeng, Henan, China;

    Key Laboratory of Thermo-Fluid Science and Engineering, MOE, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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