...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Applied thermal engineering: Design, processes, equipment, economics >Efficiency enhancement and NOx emission reduction of a turbo-compressor gas engine by mass and heat recirculations of flue gases
【24h】

Efficiency enhancement and NOx emission reduction of a turbo-compressor gas engine by mass and heat recirculations of flue gases

机译：通过烟气的质量和热循环提高涡轮压缩机燃气发动机的效率和减少NOx排放

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

A simple Turbo-Compressor model-GE MS 6001B PLTG-PLN-Sektor Tello Makassar with 30 MW power generation, 27.71% thermal efficiency and 26.07 exergy efficiency (at ISO condition) was considered for the efficiency enhancement and emission reduction. A cross flow plate-fin heat exchanger (PFHE) as an air pre-heater (heat recirculation) along with direct recirculation of a part of flue gases into the combustion chamber (mass recirculation) were considered as modifications of original turbo-compressor gas engine to increase thermal efficiency and reduce NOx emission. In a multi-objective optimization process, geometric and thermal specifications of the plate-fin heat exchanger as well as the percentage of the recirculated flue gas were obtained. The payback time for the capital investment of the heat exchanger and NOx emission were minimized simultaneously while the exergetic efficiency of the gas cycle was maximized and a frontier of optimal solution called as the Pareto frontier was obtained in objective space. The final optimal solution was selected from the Pareto frontier using three different decision-making methods, including the fuzzy Bellman-Zadeh, TOPSIS and LINMAP methods. It was shown that the best results in comparison to the simple cycle led to 34.7% reduction in NOx emission and 5.8% improvement in exergy efficiency (as difference). (C) 2016 Elsevier Ltd. All rights reserved.
机译：为提高效率和减少排放，考虑了一个简单的涡轮压缩机型号GE MS 6001B PLTG-PLN-Sektor Tello Makassar，其发电量为30兆瓦，热效率为27.71％，火用效率为26.07（在ISO条件下）。交叉流板翅式换热器（PFHE）作为空气预热器（热再循环）以及一部分烟气直接再循环到燃烧室（质量再循环）被认为是对原始涡轮压缩机燃气发动机的改进以提高热效率并减少NOx排放。在多目标优化过程中，获得了板翅式换热器的几何和热规格以及再循环烟气的百分比。同时使热交换器的资本投资和NOx排放的投资回收期最小，同时使气体循环的充分利用效率最大化，并在目标空间中获得了称为Pareto边界的最优解的边界。使用三种不同的决策方法（包括模糊Bellman-Zadeh，TOPSIS和LINMAP方法）从Pareto边界中选择最终的最优解。结果表明，与简单循环相比，最佳结果导致NOx排放降低了34.7％，火用效率提高了5.8％（差异）。 （C）2016 Elsevier Ltd.保留所有权利。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号