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Thermodynamic analysis of a cogeneration gas turbine and desalination plant

机译:热电联产燃气轮机和海水淡化厂的热力学分析

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摘要

This work deals with a thermodynamic analysis of the performance of a cogeneration gas turbine and thermal desalination plant. A heat recovery steam generator links the two units together. The analysis is based on the application of mass, energy and exergy balances on the whole cogeneration plant as well as on each of its components. The analysis is also based on an accurate evaluation of the seawater properties, which leads to correct calculations of the flow exergy and exergy efficiency of any component of the desalination plant. The main results of the study concern the influence of the pressure ratio of the compressor and the turbine inlet temperature on the exergy efficiency of the gas turbine and the whole combined system. It was found in particular that as the performance ratio of the desalination plant increases the specific exergy destruction rate decreases.
机译:这项工作涉及热电联产燃气轮机和热脱盐装置性能的热力学分析。热回收蒸汽发生器将两个单元链接在一起。该分析基于整个热电联产厂及其各个组成部分的质量,能量和火用平衡的应用。该分析还基于对海水性质的准确评估,从而可以正确计算海水淡化厂任何组成部分的流量(火用)和(火用)效率。研究的主要结果涉及压缩机的压力比和涡轮进口温度对燃气轮机和整个组合系统的火用效率的影响。特别发现,随着海水淡化装置的性能比提高,比能干破坏率降低。

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  • 来源
    《Desalination and water treatment》 |2013年第9期|1908-1914|共7页
  • 作者单位

    Department of Mechanical Engineering, College of Engineering, King Sand University, P.O. Box 800,11421 Riyadh, Saudi Arabia;

    Department of Mechanical Engineering, College of Engineering, King Sand University, P.O. Box 800,11421 Riyadh, Saudi Arabia;

    Department of Mechanical Engineering, College of Engineering, King Sand University, P.O. Box 800,11421 Riyadh, Saudi Arabia;

    Department of Mechanical Engineering, College of Engineering, King Sand University, P.O. Box 800,11421 Riyadh, Saudi Arabia;

    Department of Mechanical Engineering, College of Engineering, King Sand University, P.O. Box 800,11421 Riyadh, Saudi Arabia;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    how exergy; seawater properties; cogeneration; waste heat; MED desalination;

    机译:怎么能火海水性质热电联产废热MED海水淡化;

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