liquid-film lubrication

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• Lubrication — is the process, or technique employed to reduce wear of one or both surfaces in close proximity, and moving relative to each another, by interposing a substance called lubricant between the surfaces to carry or to help carry the load (pressure… …   Wikipedia

• lubrication — See lubricate. * * * Introduction of any of various substances between sliding surfaces to reduce wear and friction. Lubricants may secondarily control corrosion, regulate temperature, electrically insulate, remove contaminants, or damp shock.… …   Universalium

• Lubrication theory — A branch of fluid dynamics, lubrication theory is used to describe the flow of fluids (liquids or gases) in a geometry in which one dimension is significantly smaller than the others.Interior flows are those where the boundaries of the fluid… …   Wikipedia

• Film (disambiguation) — Film may refer to:;thin layer *An Old English, Old Frisian, and West Germanic language word meaning skin *In lubrication theory, a thin layer of liquid, either on a solid or liquid surface or free standing, such as soap film;a thin material,… …   Wikipedia

• Hydrodynamic lubrication — Hydrodynamic (HD) lubrication (or fluid film lubrication) has essential elements:#A lubricant, which must be a viscous fluid. #Hydrodynamic flow behavior of fluid between bearing and journal. #The surfaces between which the fluid films move must… …   Wikipedia

• hydrodynamic lubrication system — A type of lubrication system in which the surfaces to be lubricated are separated by a substantial quantity of oil. The oil has the effect of keeping the two surfaces apart. Also called fluid film lubrication. Hydrometer measuring density of a… …   Aviation dictionary

• Tribology — is the science and engineering of interacting surfaces in relative motion. It includes the study and application of the principles of friction, lubrication and wear. Tribology is a branch of mechanical engineering. Contents 1 Fundamentals 1.1… …   Wikipedia

• Dewetting — In fluid mechanics, dewetting is one of the processes that can occur at a solid–liquid or liquid–liquid interface. Generally, dewetting describes the rupture of a thin liquid film on the substrate (either a liquid itself, or a solid) and the… …   Wikipedia

• Dry gas seal — Dry gas seals are non contacting, dry running mechanical face seals consist of a mating (rotating) ring and a primary (stationary) ring. When operating, grooves in the rotating ring generate a fluid dynamic force causing the stationary ring to… …   Wikipedia

• Dry lubricant — Dry lubricants or solid lubricants are materials which despite being in the solid phase, are able to reduce friction between two surfaces sliding against each other without the need for a liquid media. Such lubricants, including materials such as …   Wikipedia

• Cutting fluid — Thin wall milling of aluminum using a water based cutting fluid on the milling cutter. Cutting fluid is a type of coolant and lubricant designed specifically for metalworking and machining processes. There are various kinds of cutting fluids,… …   Wikipedia