Coleus is an annual flower that does well in See more pictures of annual flowers. Coleus is an annual flower that is a colorful classic with serrated leaves on branching plants. Coleus is a member of the mint family.
Top 10 facts about the world. Hydrodynamics is the study of liquids in motion. Specifically, it looks at the ways different forces affect the movement of liquids. A series of equations explain how the conservation laws of mass, energy, and momentum apply to liquids, particularly those that are not compressed.
1 Hydrodynamic lubrication is where the motion of the contacting surfaces, and the exact design of the bearing is used to pump lubricant around the bearing to maintain the lubricating film. 2  This design of bearing may wear when started, stopped or reversed, as the lubricant film breaks down.