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科技英语写作基础(系列):阅读摘要on turbulent boundary layers

已有 1623 次阅读 2021-12-4 07:52 |个人分类:Scientific Writing|系统分类:论文交流


科技英语写作基础(系列):阅读摘要on turbulent boundary layers 

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Spectral link of the generalized Townsend-Perry constants in turbulent boundary layers

We propose a first minimal theory for boundary layer turbulence that captures very well the profile of the mean-square velocity fluctuations in the streamwise direction and give a quantitative prediction of the Townsend-Perry constants. 

评论:Use “, which captures” and “gives”

Our theory is based on connecting all moments of velocity fluctuations as a function of the distance to the wall with the turbulent energy spectrum. 

A similar spectral theory was proposed in G. Gioia and P. Chakraborty [Phys. Rev. Lett. 96, 044502 (2006)] to explain the friction factor and the von Kármán law in G. Gioia, N. Guttenberg, N. Goldenfeld, and P. Chakraborty [Phys. Rev. Lett. 105, 184501 (2010)]. 

评论:Not sure how to fix this.


We generalized it by including fluctuations in the wall-shear stress and the streamwise velocity. 

The theoretical predictions for the mean velocity and mean-square fluctuations reproduce the shape of the velocity profiles in the buffer and inertial layer obtained from wind tunnel experiments. 


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