id author title date pages extension mime words sentence flesch summary cache txt jq085h7600d Chan Yong Schuele Control of Stationary Cross-Flow Modes in a Mach 3.5 Boundary Layer Using Patterned Passive and Active Roughness 2011 .txt text/plain 317 15 59 Two had minute (20 - 40 åµm) 'dimples' that are equally spaced around the circumference, at a streamwise location that is just upstream of the linear stability neutral growth branch for cross-flow modes. Spanwise-periodic roughness designed to excite selected wavelengths of stationary cross-flow modes was investigated in a 3-D boundary layer at Mach 3.5. cache/jq085h7600d.txt txt/jq085h7600d.txt