Non-invasive turbulent mixing across a density interface in a turbulent Taylor-Couette flow Woods, Andrew W. ; Caulfield, C. P. ; Landel, J. R. ; Kuesters, A. Abstract Publication: Journal of Fluid Mechanics Pub Date: November 2010 DOI: 10.1017/S0022112010004295 Bibcode: 2010JFM...663..347W