# Fluid Properties - a material that cannot resist a shear force without moving - materials that take the shape of its container - liquid (incompressible) - gas (compressible) - behave as a continuum - [[Knudsen number]] - [[Density]] - [[Pressure]] - [[Viscosity]] - [[Surface tension]] - [[Temperature]] - [[Specific Gravity]] ## Thermodynamic Properties - [[Specific Heat]] - [[Speed of Sound]] - [[Thermal expansion coefficient]] - [[Thermal conductivity]] # Flow Classifications - [[Fluid Statics]] v. fluid dynamics, [[Fluid Mechanics]] - Unsteady vs steady - Uniform vs non-uniform - Rotational vs irrotational - Laminar vs turbulent - [[Reynolds Number]] - [[Rayleigh Number]] - Incompressible vs compressible - [[Mach number]] - External vs internal Simulation examples: - [[Falling Sphere Viscometer]] - [[Natural Convection in a Sqaure Cavity]] - [[Streamlining in High-Speed Rail Transport]]