Boundary layers Investigation of boundary layers on a flat plate with flow along the plate Features - investigation of the boundary layer at two different rough surfaces - boundary layer interference with pressure profile - accessories for aerodynamics trainer HM 225 Learning objectives/experiments - internal friction of gases - investigation of the boundary layer on the flat plate - influence of surface roughness on the formation of a boundary layer - boundary layer interference with degressive/progressive pressure curve Specification [1] investigation of boundary layers on a flat plate with flow along the plate [2] accessories for the aerodynamics trainer HM 225 [3] plate with two different rough surfaces [4] moveable plate, along the direction of flow [5] Pitot tube for measuring the total pressure at the plate [6] adjustment of the Pitot tube to the plate using micrometer screw [7] removable side bodies for interference of the boundary layer with degressive or progressive pressure profile [8] 16 tube manometers of HM 225 for displaying the dynamic pressures Technical data Pitot tube - diameter: 0,7mm - movable: 0,35...50mm Plate, movable: 0...250mm - LxW: 260x55mm, thickness: 5mm - chamfer: 30° - smooth surface: 25µm - rough surface: 400µm 2 side bodies, removable - inclination: 1:12,5 LxWxH: 220x130x300mm Weight: approx. 4kg