| 汽轮机低压排汽缸内辅助板块对其性能影响的数值研究 |
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| 引用本文： | 竺晓程,王红涛,杜占波,阳虹,杜朝辉. 汽轮机低压排汽缸内辅助板块对其性能影响的数值研究[J]. 热力透平, 2007, 36(1): 8-10 |
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| 作者姓名： | 竺晓程 王红涛 杜占波 阳虹 杜朝辉 |
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| 作者单位： | 上海交通大学,机械与动力工程学院,上海,200030;上海汽轮机有限公司,上海,200240 |
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| 摘 要： | 采用数值计算的方法,求解得到汽轮机低压排汽缸内部的流场,通过比较静压恢复系数和流动不均匀系数分析了有无加强肋和涡壳挡板对流场和性能的影响。计算表明挡板通过破坏通道涡,改善了排汽系统的静压恢复能力,而背弧上的肋板则削弱了通流能力,导致排汽缸静压恢复能力下降。
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| 关 键 词： | 汽轮机 排汽缸 数值计算 |
| 文章编号： | 1672-5549（2007）01-0008-03 |
| 修稿时间： | 2006-10-16 |
Numerical Investigation on the Performance of Exhaust Hood of Steam Turbine With or Without Accessorial Structure |
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| ZHU Xiao-cheng,WANG Hong-tao,DU Zhan-bo,YANG Hong,DU Zhao-hui. Numerical Investigation on the Performance of Exhaust Hood of Steam Turbine With or Without Accessorial Structure[J]. Thermal Turbine, 2007, 36(1): 8-10 |
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| Authors: | ZHU Xiao-cheng WANG Hong-tao DU Zhan-bo YANG Hong DU Zhao-hui |
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| Affiliation: | 1. Shanghai Jiaotong University School of Mechanical Engineering, Shanghai 200030, China; 2. Shanghai Turbine Co. Ltd., Shanghai 200240, China |
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| Abstract: | The internal flow field in the exhaust hood of the steam turbine was simulated numerically by the CFD software.The static coefficient and flow uniform coefficient with or without rib and baffle have been compared,based on the CFD result.It is demonstrated that the performance of the exhaust can be improved or decreased depending on baffle or rib. |
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| Keywords: | steam turbine exhaust hood CFD |
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