Effects of the computational domain on the secondary flow in turbulent plane Couette flow
Gai Jiea), Xia Zhen-Hua†a),b), Cai Qing-Dong‡a)
       
The two-point spanwise correlation (a) for the streamwise fluctuation velocity R u′u′ , (b) for the streamwise velocity of residual field R u″u″ , at y = 0 for different box sizes: cases C22, C24, C42, C82, and C84.