首页> 外文会议>ASME Turbo Expo: Turbomachinery Technical Conference and Exposition >TRANSIENT LOADING ON TURBOMACHINERY PACKAGES DUE TO PRESSURE WAVES CAUSED BY ACCIDENTAL DEFLAGRATION EVENTS
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TRANSIENT LOADING ON TURBOMACHINERY PACKAGES DUE TO PRESSURE WAVES CAUSED BY ACCIDENTAL DEFLAGRATION EVENTS

机译:由于意外泄油事件引起的压力波动,涡轮机包装上的瞬态载荷

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In this study we present the application of numerical and analytical models to predict the transient loading of structures by impinging pressure and shock waves in air, which have been recently developed by the authors. Non-dimensional design maps are provided which yield predictions of the maximum loads on structures as a function of the problem parameters. Practical example applications, with reference to typical structures used in turbomachinery packages, are presented. These examples demonstrate the superiority of the new modelling techniques to current industrial design guidelines which are mostly extrapolated from simplified methods developed for shock waves. Finally, conclusions are drawn regarding the nature of the loading exerted on the structure in different regimes of problem parameters.
机译:在这项研究中,我们提出了数值和分析模型的应用,它们通过冲击空气中的压力和冲击波来预测结构的瞬态载荷,这是作者最近开发的。提供了无量纲设计图,可根据问题参数得出结构上最大载荷的预测。给出了实际示例应用,并参考了涡轮机械套件中使用的典型结构。这些示例说明了新建模技术相对于当前工业设计准则的优越性,这些准则大部分是从为冲击波开发的简化方法中推断出来的。最后,得出关于在问题参数的不同方案中施加在结构上的载荷的性质的结论。

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