Fluid Mechanics
Abstract
This chapter presents constitutive equations appropriate for modeling the flow of several technologically important classes of fluids, namely viscous fluids and inviscid fluids. Viscous fluids are sensitive to the rate at which they are deformed, whereas inviscid fluids are insensitive to the rate at which they are deformed. Of course, almost no fluids of practical importance are truly “inviscid” (i.e., have zero viscosity). Nevertheless, from a modeling perspective, the notion of an inviscid fluid is quite useful. In particular, it can be used as an idealization for modeling flows where viscous effects only weakly influence the flow physics. For instance, in most applications, water is modeled as a viscous ...
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