WebApr 12, 2024 · The boundary layer approaching the body plays an important role in the flow structure around finite-height bluff bodies like Ahmed body (Wang et al., 2006 70. Wang, H. F., Zhou, Y., Chan, C. K., and Lam, K. S., “ Effect of initial conditions on interaction between a boundary layer and a wall-mounted finite-length-cylinder wake ,” Phys ... WebJan 1, 1982 · Patterns of flow and flow-force of great complexity arise in a stream once a surface-mounted bluff body assumes spanwise and streamwise dimensions that …
(PDF) Comparison of flow structures around circular and elliptical ...
WebThe transition to turbulence in flow around a bluff body is generally preceded by a pressure-drop deviation from the linear to quadratic (and still laminar) velocity dependency. Therefore, flow through a porous medium can depart from the linear equation to a quadratic equation before transition to turbulence. WebJul 30, 2010 · The effect of blockage on the flow past a bluff body is investigated. Two flow problems are considered. The first is the onset of wake instability in the flow past a stationary cylinder. We attempt to estimate the value of critical Reynolds number (Re c), via a linear stability analysis (LSA) of the governing equations for incompressible flows ... noun and pronoun examples
Flow Around a Bluff Body, Bubbles and Von Karman Vortex Street …
WebUsually bluff bodies induce flow separation at positions where the velocity at the edge of the boundary layer is higher than the free stream velocity. ... Tatsuno M. and Bearman … WebApr 1, 2024 · Vortex shedding phenomenon behind bluff bodies and its destructive unsteady wake can be controlled by employing active and passive flow control methods. In this quest, researchers employed experimental fluid dynamics (EFD), computational fluid dynamics (CFD) and an analytical approach to investigate such phenomena to reach a … WebApr 13, 2024 · Bluff bodies are prone to vortex-induced vibration (VIV), a phenomenon that causes these structures to obey a cyclic motion, both in the direction of the incoming flow and (more intensely) in the transverse direction (Williamson and Govardhan, 2004 55.Williamson, C. H. K. and Govardhan, R., “ Vortex-induced vibrations,” Annu. Rev. … noun and verb different pronunciation