Two-dimensional cross-spectrum of the streamwise velocity in turbulent boundary layers Deshpande, Rahul ; Chandran, Dileep ; Monty, Jason P. ; Marusic, Ivan Abstract Publication: Journal of Fluid Mechanics Pub Date: May 2020 DOI: 10.1017/jfm.2020.139 Bibcode: 2020JFM...890R...2D