Properties of Fluids and Basic Equations
The chapter delves into the properties of fluids and essential equations that govern fluid mechanics. It distinguishes between different types of fluids, explains key concepts such as viscosity and control volume, and discusses the continuity and momentum equations. The chapter also introduces Bernoulli's equation and its applications in various fluid dynamics scenarios.
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Sections
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What we have learnt
- A fluid continuously deforms under shear stress, unlike solids.
- Newton's law of viscosity defines the relationship between shear stress and velocity gradient in fluids.
- Key equations such as continuity and momentum equations are fundamental to understanding fluid mechanics.
Key Concepts
- -- Fluid
- A substance that flows and continuously deforms under applied shear stress; includes liquids, gases, and plasmas.
- -- Viscosity
- A measure of a fluid's resistance to deformation and flow, defined by Newton's law of viscosity.
- -- Control Volume
- A fixed region in space through which fluid flows, used to apply conservation laws in fluid mechanics.
- -- Bernoulli’s Equation
- An equation that relates pressure, velocity, and height in a moving fluid, applicable to steady, incompressible, inviscid flow.
Additional Learning Materials
Supplementary resources to enhance your learning experience.