Incompressible flow refers to fluid flow in which the fluid density remains essentially constant throughout the flow field. This assumption is commonly applied in fluid dynamics, especially for liquids and gases at low speeds, where changes in pressure and temperature do not lead to significant changes in density. ### Key Characteristics of Incompressible Flow: 1. **Constant Density**: The most fundamental characteristic of incompressible flow is that the fluid density does not change with pressure or temperature variations within the flow.
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