| 燃气轮机进气系统过滤结构数值模拟 |
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| 引用本文： | 征建生,蔡其波,张再峰.燃气轮机进气系统过滤结构数值模拟[J].船舶工程,2019,41(12):78-82. |
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| 作者姓名： | 征建生 蔡其波 张再峰 |
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| 作者单位： | 中国船舶重工集团有限公司第七○三研究所无锡分部,江苏无锡225700;中国船舶重工集团有限公司第七○三研究所无锡分部,江苏无锡225700;中国船舶重工集团有限公司第七○三研究所无锡分部,江苏无锡225700 |
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| 摘 要： | 针对某型燃气轮机陆上试验的进气系统,布置不同过滤结构模型,采用CFD数值模拟计算方法,分析了三种过滤结构对进气系统流场、燃机进口空气速度均匀性、总压损失等参数影响。结果表明：在低进气流量下,过滤结构产生的总压损失占据主导位置,随着进气流量的增加,进气室稳压室向燃机进口直管收缩产生的压损更为明显。两侧分布式过滤结构降低了燃机进口空气速度的不均匀度,并有效降低了总压损失。
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| 关 键 词： | 燃气轮机 陆上试验 过滤结构 数值模拟 总压损失 |
| 收稿时间： | 2019/3/20 0:00:00 |
| 修稿时间： | 2019/7/12 0:00:00 |
Numerical Simulation Research on Filtration Structures of Gas Turbine Inlet System |
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| ZHENG Jian-sheng,CAI Qi-bo and ZHANG Zai-feng.Numerical Simulation Research on Filtration Structures of Gas Turbine Inlet System[J].Ship Engineering,2019,41(12):78-82. |
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| Authors: | ZHENG Jian-sheng CAI Qi-bo and ZHANG Zai-feng |
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| Institution: | Wuxi Division Of No.703 Research Institute Of CSIC,Wuxi Division Of No.703 Research Institute Of CSIC,Wuxi Division Of No.703 Research Institute Of CSIC |
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| Abstract: | Aiming at the intake system of a certain type of gas turbine onshore test platform, different filter structures are arranged , and the effects of three different filter structures on the flow field, uniformity of gas turbine inlet and total pressure loss of the intake system are analyzed by CFD numerical simulation method. The results showed that the total pressure loss caused by the filter structure accounts for the main part at low intake air flow rate. With the increase of intake air flow rate, the pressure loss caused by the intake pressure stabilization chamber contracting to the intake straight pipe of the gas turbine is dominated. Distributed filter structure on both sides reduces the inhomogeneity of gas turbine inlet air velocity and reduces the total pressure loss effectively. |
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| Keywords: | gas turbine expermient filter numerical simulation |
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