Inviscid flow refers to the motion of a fluid where viscosity is neglected, meaning that the fluid has no internal resistance to flow. This simplification allows for easier analysis of fluid behavior and is particularly useful in theoretical studies, where the effects of friction and viscous forces are minimal. Understanding inviscid flow is critical in deriving important equations and principles that govern fluid dynamics, enabling engineers and scientists to predict fluid behavior in various applications without the complications introduced by viscosity.
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