| 基于热-流-固耦合方法的涡轮叶片数值计算 |
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| 引用本文： | 于复磊,;李丹,;张宗伟,;雷国强. 基于热-流-固耦合方法的涡轮叶片数值计算[J]. 系统仿真技术, 2014, 0(4): 339-345 |
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| 作者姓名： | 于复磊, 李丹, 张宗伟, 雷国强 |
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| 作者单位： | [1]海军航空工程学院研究生管理大队,山东烟台264001; [2]贵州黎阳航空动力有限公司,贵州平坝561102; [3]航空兵学院92925部队修理厂,山西长治046001 |
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| 摘 要： | 将流体动力学方法与有限元方法相结合,在定常流场分析的基础上,采用单向和双向热、流、固耦合的计算方法获得了转子叶片在设计工况下的应力和变形情况,并比较了两种方法的计算结果.单向耦合计算中分析了离心、气动、热载荷对叶片应力、变形的影响,并按照斯贝发动机EGD-3应力标准对叶片强度进行了校核.计算结果表明：两种计算方法在涡轮叶片强度分析中是可行的,双向耦合能更准确地反映转子叶片的真实工况.
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| 关 键 词： | 涡轮叶片 流-固-热耦合 数值模拟 有限元 强度 |
Numerical Calculation of Turbo-blade Based on Thermal-fluid-structure Interaction Method |
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| Affiliation: | YU Fulei, LI Guobao , ZHANG Zongwei , LEI Guoqiang (1. Graduate Students＇ Brigate, Naval Aeronautical and Astronatical University, Yantai 264-001, China ; 2. The Navy Aircraft Engine Office Representative in Guiyang Region Military Office, Pingba 561102, China;3. Naval Aviation Academy No. 92925 Troop, Changzhi 04-6001, China) |
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| Abstract: | The fluid dynamics method was combined with FEM method was used in this paper. On the basis of the steady-state computation, the situation of stress and displacement of turbo-blade was acquired by using both one-way and two-way thermal-fluid-structural interaction （TFSI） calculation method,the result was also compared with each other. The centrifugal load, aerodynamic load and thermal load effects on stress and deformation was analyzed in one-way coupling calculation and the stress of blade was checked according to MK202 engine stress standard. The study shows that the two methods is feasible to predict the strength and the displacement of blade, two-way coupling can reflect the true working conditions better. |
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| Keywords: | turbine blade thermal-fluid-structural interaction numerical simulation FEM strength |
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