| 600MW汽轮机主汽调节阀流动特性的数值研究 |
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| 引用本文： | 韩中合,吴琼. 600MW汽轮机主汽调节阀流动特性的数值研究[J]. 汽轮机技术, 2008, 50(6) |
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| 作者姓名： | 韩中合 吴琼 |
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| 作者单位： | 华北电力大学,电站设备状态监测与控制教育部重点实验室,河北,保定,071003;华北电力大学,电站设备状态监测与控制教育部重点实验室,河北,保定,071003 |
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| 摘 要： | 对某600MW亚临界汽轮机主调阀在全开度下的流动特性进行了数值模拟。给出了阀门内流动总压损、压损沿流程分布情况以及调节阀门的流量分配。分析了蒸汽在阀门中的流动特点及流动损失产生的机理。为进一步研究阀门的流场特性及结构改进提供了参考。
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| 关 键 词： | 动力机械及工程 主调节阀 流动特性 数值模拟 |
Numerical Analysis of Flow Characteristics Within the Main Stop and Governing Valve of a 600 MW Steam Turbine |
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| HAN Zhong-he,WU Qiong. Numerical Analysis of Flow Characteristics Within the Main Stop and Governing Valve of a 600 MW Steam Turbine[J]. Turbine Technology, 2008, 50(6) |
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| Authors: | HAN Zhong-he WU Qiong |
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| Abstract: | A numerical simulation of flow characteristics within the main stop and governing valve of a 600MW steam turbine under 100% opening condition is employed.The total pressure loss and the pressure loss distribution along flow path are presented.The assignment of mass flow between two controlling valves is given.Flow characteristics and pressure loss mechanism of the valve is discussed.The article provides the reference for further research of flow field and structural development in the main stop and governin... |
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| Keywords: | power machinery and engineering main stop and governing valves flow characteristics numerical analysis |
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