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A Review of Concentric Annular Heat Pipes

机译：同心环形热管综述

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摘要

A detailed description of a concentric annular heat pipe (CAHP) operation is presented in low to moderate temperature ranges (50-200℃). The steady-state response of a CAHP to various heat fluxes in the evaporator and condenser sections are discussed. Two-dimensional mathematical modeling of the fluid flow and heat transfer in the annular vapor space and the wicks are described. The fundamental aspects and limitations of the operation of a CAHP are also discussed. Previously used numerical and experimental approaches for the analysis of the CAHPs and some related concepts are reviewed. The Navier-Stokes and similar equations are recommended for the simulation of fluid flow and heat transfer in the annular vapor space and the wicks. A number of important concepts, such as two-phase flow, heat transfer in the heat pipe wicks, the vapor-liquid interface conditions, design considerations, testing, and manufacture of a CAHP, are also briefly discussed. The results of this research have shown that the available numerical and experimental data in the literature are sufficiently accurate in many applications. However, new mathematical models and experimental works are needed for the better design and manufacture of various types of CAHPs.
机译：在低至中等温度范围（50-200℃）内，详细介绍了同心环形热管（CAHP）的运行。讨论了CAHP对蒸发器和冷凝器部分中各种热通量的稳态响应。描述了环形蒸气空间和油芯中流体流动和传热的二维数学模型。还讨论了CAHP运行的基本方面和局限性。回顾了过去用于CAHP分析的数值和实验方法以及一些相关概念。建议使用Navier-Stokes和类似的方程式来模拟环形蒸气空间和油芯中的流体流动和传热。还简要讨论了许多重要概念，例如两相流，热管芯中的传热，气液界面条件，设计注意事项，CAHP的测试和制造。这项研究的结果表明，文献中可用的数值和实验数据在许多应用中都足够准确。但是，为了更好地设计和制造各种类型的CAHP，需要新的数学模型和实验工作。

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  • 来源
    《Heat Transfer Engineering》 |2005年第6期|p.45-58|共14页
  • 作者

    A. NOURI-BORUJERDI; M. LAYEGHI;

  • 作者单位

    School of Mechanical Engineering, Sharif University of Technology, P.O. Box 11365-9567, Azadi Ave., Tehran, Iran;

  • 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);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 工业用热工设备;
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