发电技术 ›› 2021, Vol. 42 ›› Issue (4): 437-446.DOI: 10.12096/j.2096-4528.pgt.21032
收稿日期:
2021-04-25
出版日期:
2021-08-31
发布日期:
2021-07-22
通讯作者:
付经伦
作者简介:
邱彬(1997), 女, 硕士研究生, 研究方向为燃气轮机排气扩压器与末级透平耦合机理和匹配优化, qiubin@iet.cn
基金资助:
Bin QIU1,3,4,5(), Jinglun FU1,2,3,4,5,*(
)
Received:
2021-04-25
Published:
2021-08-31
Online:
2021-07-22
Contact:
Jinglun FU
Supported by:
摘要:
燃气轮机是关系国家安全和国民经济发展的核心装备,排气扩压器气动性能对燃气轮机整机效率有重要影响。排气扩压器与上游流场的相互作用及其复杂的几何结构,导致了扩压器内流场易分离、多损失的流动特征。为探明扩压器的流动特征及其与透平的耦合机理,综述了国内外扩压器气动性能和优化设计的研究现状,讨论了扩压器设计与优化方面未来的研究方向,未来的研究需要充分考虑透平和扩压器的相互作用以及将参数化等方法引入扩压器优化设计问题以提高工作效率。
中图分类号:
邱彬, 付经伦. 燃气轮机排气扩压器研究现状[J]. 发电技术, 2021, 42(4): 437-446.
Bin QIU, Jinglun FU. Research Status of Gas Turbine Exhaust Diffuser[J]. Power Generation Technology, 2021, 42(4): 437-446.
厂家 | 机型 | 排气形式 | 排气流量/(kg/s) | 排气温度/℃ | 轴向长度/m |
三菱 | M701D | 冷端输出轴向排气 | 453 | 542 | 11.9 |
M701F | 748 | 630 | 14.3 | ||
M701J | 896 | 630 | 16.7 | ||
M701JAC | 765 | 663 | 16.7 | ||
GE | 9E | 热端输出径向排气 | - | 538 | 20 |
9FA | 冷端输出轴向排气 | 624 | 609 | 22.6 | |
9HA01 | 996 | 636 | - | ||
西门子 | SGT5-2000E | 冷端输出轴向排气 | 558 | 536 | 10.3 |
SGT5-4000F | 752 | 599 | 10.8 | ||
SGT5-8000H | 953 | 630 | 12.6 |
表1 世界主要重型燃气轮机排气结构及排气参数
Tab. 1 Exhaust structure and exhaust parameters of the world's main heavy-duty gas turbines
厂家 | 机型 | 排气形式 | 排气流量/(kg/s) | 排气温度/℃ | 轴向长度/m |
三菱 | M701D | 冷端输出轴向排气 | 453 | 542 | 11.9 |
M701F | 748 | 630 | 14.3 | ||
M701J | 896 | 630 | 16.7 | ||
M701JAC | 765 | 663 | 16.7 | ||
GE | 9E | 热端输出径向排气 | - | 538 | 20 |
9FA | 冷端输出轴向排气 | 624 | 609 | 22.6 | |
9HA01 | 996 | 636 | - | ||
西门子 | SGT5-2000E | 冷端输出轴向排气 | 558 | 536 | 10.3 |
SGT5-4000F | 752 | 599 | 10.8 | ||
SGT5-8000H | 953 | 630 | 12.6 |
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