Analysis of Flow Past a Cylinder Attached to a Spring
نویسنده
چکیده
The flow of fluid past a cylinder has been widely studied both analytically and numerically, and provides insight to the behavior of flow given different fluid properties. Particularly interesting is the transition from steady flow to vortex shedding in the wake of the cylinder. This behavior is dependent on several parameters, but most importantly, the Reynolds number (Re), which is a dimensionless measure of the range of scales upon which different flow behavior is occurring. For example, laminar flow has large-scale flow behavior, corresponding to low Re (Re < Rec) , while turbulent flow has both large and small scale flow behavior, corresponding to high Re (Re > Rec) [9]. The transition from steady flow to vortex shedding happens at a critical value Rec, which is in the range of 46-49 in the literature [3, 4, 5, 9].
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