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COMPARISON OF A CONVENTIONAL THERMAL ANALYSIS OF A TURBINE CASCADE TO A FULL CONJUGATE HEAT TRANSFER COMPUTATION

机译:涡轮级联传统热分析与全共轭传热计算的传统热分析

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Recent development in commercial CFD codes offers possibilities to include the solid body in order to perform conjugate heat transfer computations for complex geometries. The current paper aims to analyse the differences between a conjugate heat transfer computation and conventional uncoupled approaches where a heat transfer coefficient is first derived from a flow solution and then taken as boundary condition for a thermal conduction analysis of the solid part. Whereas the thermal analyses are done with a Rolls-Royce in-house finite element code, the CFD as well as the conjugate heat transfer computation are done using the new version 8 of the commercial code Fine Turbo from Numeca International. The analysed geometry is a turbine cascade that was tested by VKI in Brussels within the European FP6 project AITEB 2.
机译:商业CFD代码中的最新发展提供了包括固体体的可能性,以便为复杂几何形状进行共轭传热计算。目前的纸张旨在分析缀合物传热计算和传统的未耦合方法之间的差异,其中传热系数首先从流动溶液中得出,然后作为固体部分的热传导分析的边界条件。虽然热分析用滚动ryce内部有限元代码完成,但使用Numeca International的商业代码Fine Turbo的新版本8完成CFD以及共轭传热计算。分析的几何形状是涡轮机级联,该级联由欧洲FP6项目AiteB 2中的布鲁塞尔VKI测试。

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