| 某电厂汽轮机低压缸零出力供热工况低压末级叶片流场特性分析 |
| |
| 引用本文： | 刘凤友,李强,盛伟,席泽艳. 某电厂汽轮机低压缸零出力供热工况低压末级叶片流场特性分析[J]. 汽轮机技术, 2019, 0(5): 355-356,360 |
| |
| 作者姓名： | 刘凤友 李强 盛伟 席泽艳 |
| |
| 作者单位： | 国家电投内蒙古能源有限公司;沈阳工程学院 |
| |
| 摘 要： | 以某电厂350MW供热机组为研究对象,机组进行低压缸零出力改造后低压缸进汽流量骤降,最低流量仅为20t/h,导致运行工况远远偏离设计值而影响末级叶片的安全性,运用数值模拟软件CFX,分析了不同低压缸进汽流量下末级叶栅流场特性。结果表明,低压缸进汽流量在20t/h时,末级叶栅气流脱离严重,当流量为500t/h时,末级叶栅流场光滑平稳,模拟结果对供热机组低压缸零出力改造具有一定指导性意义。
|
| 关 键 词： | 汽轮机 末级叶片 低压缸零出力 数值模拟 |
Analysis of Low-pressure Last Stage Flow Field Characteristics of a Steam Turbine Low Pressure Cylinder with Zero Output heat Supply in a Power Plant |
| |
| LIU Feng-you,LI Qiang,SHENG Wei,XI Ze-yan. Analysis of Low-pressure Last Stage Flow Field Characteristics of a Steam Turbine Low Pressure Cylinder with Zero Output heat Supply in a Power Plant[J]. Turbine Technology, 2019, 0(5): 355-356,360 |
| |
| Authors: | LIU Feng-you LI Qiang SHENG Wei XI Ze-yan |
| |
| Affiliation: | (SPIC Nei Mongol Energy Company Limited,Tongliao 028000,China;Shenyang Institute of Engineering,Shenyang 110136,China) |
| |
| Abstract: | LIU Feng-you;LI Qiang;SHENG Wei;XI Ze-yan(SPIC Nei Mongol Energy Company Limited,Tongliao 028000,China;Shenyang Institute of Engineering,Shenyang 110136,China) |
| |
| Keywords: | steam turbine last stage blade zero output of low pressure cylinder numerical simulation |
| 本文献已被 CNKI 维普 等数据库收录！ |
|
