| 动车组轴流冷却风机气动设计与研究 |
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| 引用本文： | 王晓放,李丽丽,孙涛,谢蓉,薛家好.动车组轴流冷却风机气动设计与研究[J].大连理工大学学报,2009,49(3):364-368. |
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| 作者姓名： | 王晓放 李丽丽 孙涛 谢蓉 薛家好 |
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| 作者单位： | 大连理工大学,能源与动力学院,辽宁,大连,116024 |
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| 摘 要： | 采用一维设计与三维数值模拟分析相结合的方法,对某动车组轴流冷却风机进行气动设计,并分析研究了等环量指数对轴流冷却风机气动性能的影响.根据一维设计的几何参数进行三维建模;再利用NUMECA软件对所设计风机进行深入数值模拟分析及结构优化改进;最后,选取最优方案加工样机并进行性能试验.试验结果表明:该轴流冷却风机的整体气动性能较优,与原设计相比有较大改善,特别是效率提高了近3%,叶轮进、出口流场较原机叶轮也更加稳定.该国产化风机与同类型某进口风机相比性能更优.
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| 关 键 词： | 动车组 轴流冷却风机 等环量指数 数值模拟 |
Study and aerodynamic design of axial cooling fan on multiple units |
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| WANG Xiaofang,LI Lili,SUN Tao,XIE Rong,XUE Jiahao.Study and aerodynamic design of axial cooling fan on multiple units[J].Journal of Dalian University of Technology,2009,49(3):364-368. |
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| Authors: | WANG Xiaofang LI Lili SUN Tao XIE Rong XUE Jiahao |
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| Institution: | WANG Xiao-fang*1,LI Li-li1,SUN Tao1,XIE Rong1,XUE Jia-hao2(1.School of Energy , Power Engineering,Dalian University of Technology,Dalian 116024,China,2.Dalian Yantie ICE Accessory Company,Dalian 116023,China) |
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| Abstract: | An axial cooling fan on multiple units was designed based on one-dimensional calculation and three-dimensional numerical simulation.The influence of constant circulation exponent on aerodynamic performance of axial cooling fan was analyzed.Three-dimensional model was presented based on the one-dimensional calculation.Numerical simulation and thorough analysis were carried out on the blower with software NUMECA.The optimized projects were presented.The model machine was based on geometry parameter of the bes... |
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| Keywords: | multiple units axial cooling fan constant circulation exponent numerical simulation |
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