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Heat Transfer Correlation for Two-Phase Flow in Vertical Pipes Using Support Vector Machines

机译：支持向量机在垂直管内两相流传热相关

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摘要

It has been shown by Tarn and his coworkers [7] that the support vector machines (SVM) have excellent capability of handling complicated single-phase heat transfer problems. Therefore, it would be logical to extend the investigation to other flow situations, such as two-phase flow or flow in microtubes. In this study, SVM is used to correlate the two-phase, two-component flow data. Four sets of experimental data (a total of 255 data points) for vertical pipes used in this study were from Kim et al. [3]. They proposed a heat transfer correlation for turbulent gas-liquid flow in vertical pipes with different flow patterns and fluid combinations. Their correlation predicted the experimental data with a deviation range of-64.7% and 39.6%. Majority of the experimental data (245 data points or 96% of the data) were predicted within the ±30% range. A new correlation using SVM is developed in this study. The new correlation outperforms the traditional least-squares correlation and predicts the experimental data within the ±15% range.
机译：Tarn及其同事[7]已经证明，支持向量机（SVM）具有出色的处理复杂的单相传热问题的能力。因此，将研究扩展到其他流动情况（如两相流动或微管流动）是合乎逻辑的。在这项研究中，SVM用于关联两相，两组分流量数据。本研究中使用的垂直管道的四组实验数据（总共255个数据点）来自Kim等。 [3]。他们提出了具有不同流型和流体组合的垂直管道中湍流气液流动的传热相关性。他们的相关性预测了实验数据，偏差范围为-64.7％和39.6％。预计大多数实验数据（245个数据点或数据的96％）在±30％范围内。在这项研究中使用SVM开发了一种新的相关性。新的相关性优于传统的最小二乘相关性，并预测了±15％范围内的实验数据。

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  • 来源
    《Heat Transfer Engineering》 |2011年第12期|p.1047-1052|共6页
  • 作者

    HOU KUAN TAM; LAP MOU TAM; AFSHIN J. GHAJAR;

  • 作者单位

    Department of Electromechanical Engineering, Faculty of Science and Technology, University of Macau, Taipa, Macau, China;

    Department of Electromechanical Engineering, Faculty of Science and Technology, University of Macau, Taipa, Macau, China,Institute for the Development and Quality, Macau, China;

    School of Mechanical and Aerospace Engineering, Oklahoma State University, Stillwater, Oklahoma, USA;

  • 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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