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Numerical Investigation of Turbulent Flow and Heat Transfer in Internally Finned Tubes

机译:内翅片管内湍流和传热的数值研究

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摘要

A numerical investigation of periodically fully developed, steady, single-phase, turbulent flow and heat transfer in two spirally finned tubes has been first performed. A wo-layer turbulence model was applied to model the near-wall turbulence. An unstructured finitevolume method was employed to resolve the complex geometry of internally finned tubes. The effects of grid independence and skewness were extensively examined.
机译:首先对两个螺旋翅片管中的周期性充分发展,稳定,单相,湍流和传热进行了数值研究。应用二层湍流模型来模拟近壁湍流。采用非结构化有限体积方法来解析内部翅片管的复杂几何形状。网格独立性和偏度的影响已得到广泛研究。

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