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首页> 外文期刊>Mathematical Problems in Engineering >Fluid-Thermal-Structural Coupled Analysis of a Radial Inflow Micro Gas Turbine Using Computational Fluid Dynamics and Computational Solid Mechanics
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Fluid-Thermal-Structural Coupled Analysis of a Radial Inflow Micro Gas Turbine Using Computational Fluid Dynamics and Computational Solid Mechanics

机译：利用计算流体力学和计算固体力学对径向进气微型燃气轮机进行流-热-结构耦合分析

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摘要

A three-dimensional fluid-thermal-structural coupled analysis for a radial inflow micro gas turbine is conducted. First, a fluid-thermal coupled analysis of the flow and temperature fields of the nozzle passage and the blade passage is performed by using computational fluid dynamics (CFD). The flow and heat transfer characteristics of different sections are analyzed in detail. The thermal load and the aerodynamic load are then obtained from the temperature field and the pressure distribution. The stress distributions of the blade are finally studied by using computational solid mechanics (CSM) considering three cases of loads: thermal load, aerodynamics load combined with centrifugal load, and all the three types of loads. The detailed parameters of the flow, temperature, and the stress are obtained and analyzed. The numerical results obtained provide a useful knowledge base for further exploration of radial gas turbine design.
机译：进行了径向流入微型燃气轮机的三维流热-结构耦合分析。首先，通过使用计算流体力学（CFD）对喷嘴通道和叶片通道的流场和温度场进行流热耦合分析。详细分析了不同部分的流动和传热特性。然后从温度场和压力分布中获得热负荷和空气动力负荷。最后，使用计算固体力学（CSM）研究了叶片的应力分布，其中考虑了三种载荷情况：热载荷，空气动力载荷与离心载荷以及所有三种载荷。获得并分析了流量，温度和应力的详细参数。获得的数值结果为进一步探索径向燃气轮机设计提供了有用的知识基础。

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  • 来源
    《Mathematical Problems in Engineering》 |2014年第8期|640560.1-640560.10|共10页
  • 作者

    Yonghui Xie; Kun Lu; Le Liu; Gongnan Xie;

  • 作者单位

    School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China;

    School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China;

    School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China;

    School of Mechanical Engineering, Northwestern Polytechnical University, P.O. Box 552, Xi'an, Shaanxi 710072, China;

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