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Entropy Generation through Non-Equilibrium Ordered Structures in Corner Flows with Sidewall Mass Injection

机译:侧壁质量注入角流中非平衡有序结构产生的熵

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Additional entropy generation rates through non-equilibrium ordered structures are predicted for corner flows with sidewall mass injection. Well-defined non-equilibrium ordered structures are predicted at a normalized vertical station of approximately eighteen percent of the boundary-layer thickness. These structures are in addition to the ordered structures previously reported at approximately thirty-eight percent of the boundary layer thickness. The computational procedure is used to determine the entropy generation rate for each spectral velocity component at each of several stream wise stations and for each of several injection velocity values. Application of the procedure to possible thermal system processes is discussed. These results indicate that cooling sidewall mass injection into a horizontal laminar boundary layer may actually increase the heat transfer to the horizontal surface.
机译:通过侧壁质量注入,通过角流可预测通过非平衡有序结构产生的其他熵产生速率。在约18%边界层厚度的归一化垂直站,可以预测定义明确的非平衡有序结构。这些结构是先前报道的有序结构的补充,大约占边界层厚度的38%。该计算过程用于确定在多个流式测站中的每个流站和每个注入速度值中的每个谱速度分量的熵产生率。讨论了该程序在可能的热系统过程中的应用。这些结果表明,冷却侧壁质量注入水平层状边界层实际上可能会增加向水平表面的传热。

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