A cyclone separator separates dust and particles from a fluid (like air) by using centrifugal force to create a vortex. The dust-laden fluid enters the cylindrical vessel tangentially, forming a downward spiral. This motion pushes heavier particles to the walls, which then lose momentum and fall to a collection hopper at the bottom. The cleaned fluid, free of most particles, reverses direction and moves upward through the central vortex finder at the top.