Inviscid Modes within the Boundary-Layer Flow of a Rotating Disk with Wall Suction and in an External Free-Stream

The purpose of this paper is to investigate the linear stability analysis for laminar-turbulent transition region high-Reynolds-number instabilities boundary layer flow on a rotating disk. This investigation considers axial along surface-normal direction, by studying analytical expressions steady solution, laminar, incompressible and inviscid fluid due disk in presence uniform injection suction. Essentially, physical problem represents entrainment into from flow, which transferred spinning surface azimuthal radial directions. In addition, through formation spiral vortices, instability visualised develops nature. To end, study illustrates that combining suction together may act stabilize modes.