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Design of A Single Tube Fuel Oil Preheater

机译：单管燃油预热器的设计

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摘要

This article presents design analysis of a fuel oil preheater. The preheater is a concentric tube heat exchanger where the fuel oil is on the tube-side and the heating medium flows in the annular space. Two situations were addressed in this study. In the first case, an analytical model was developed where the required heat exchanger length, diameter and the fluid velocity were determined for a given heat transfer duty and for an allowable pressure loss. A detailed study was conducted by individually varying parameters such as pressure loss, preheater discharge temperature, and mass flow rate of the fuel oil. In each instance their influence on the predicted design of the heat exchanger was investigated. In the second case, an optimization strategy was proposed for a certain heat transfer duty. The heat exchanger dimensions and the fluid flow rate were selected such that the annual operating cost of the heat exchanger was minimized. In addition, a detailed study was conducted to understand the total annual operating cost as a function of the fuel oil outlet temperature and the fuel oil mass flow rate.
机译：本文介绍了燃油预热器的设计分析。预热器是一个同心管式热交换器，燃料油在管侧，载热介质在环形空间中流动。本研究解决了两种情况。在第一种情况下，开发了一个分析模型，其中针对给定的传热任务和允许的压力损失确定了所需的热交换器长度，直径和流体速度。通过单独改变参数（例如压力损失，预热器排出温度和燃料油的质量流量）进行了详细的研究。在每种情况下，都研究了它们对热交换器预测设计的影响。在第二种情况下，提出了针对一定传热负荷的优化策略。选择热交换器的尺寸和流体流速，以使热交换器的年运行成本最小化。此外，进行了详细的研究，以了解年度总运行成本与燃油出口温度和燃油质量流量的关系。

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  • 来源
    《Heat Transfer Engineering》 |2017年第18期|1396-1403|共8页
  • 作者

    Karthik Silaipillayarputhur; Stephen ldem;

  • 作者单位

    Department of Mechanical Engineering, King Faisal University, Al-Ahsa, Saudi Arabia;

    Department of Mechanical Engineering, Tennessee Tech University, Cookeville, Tennessee, 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);
  • 原文格式 PDF
  • 正文语种 eng
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