- Compressibility Fluid - When the density of the fluid changes with the application of external force.
- Ideal Fluid - This assumes to have no viscosity, meaning no resistance or shear, and not compressable. In an ideal fluids there is uniform velocity distribution when flowing.
- Ideal Plastic Fluid - A fluid, in which shear stress is more than the yield value and shear stress is directly proportional to the rate of shear strain.
- Incompressibility Fluid - When the density of the fluid doesn’t change with the application of external force.
- Newtonian Fluid - This fluid's viscosity is constant no matter how much shear is applied for a constant temperature.
- non-Newtonian Fluid - This is the opposite of Newtonian fluids and does not following Newton's law of viscosity. These fluids having variable viscosity when shear is applied.
- Real Fluid - This fluid does not have uniform velocity distribution, it is compressable, shows finite viscosities and experience friction and turbulance in flow.
|Intermolecule force strength||Weak||Moderate||Strong|
|Particle Movement||Free movement||Free movement||No free movement|