viscous resistance

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• Ship resistance and propulsion — A ship differs from any other large engineering structure in that – in addition to its other functions –it must be designed to move efficiently through the water with a minimum of external force. For thousands of years ship designers and builders …   Wikipedia

• Drag (physics) — Shape and flow Form drag Skin friction 0% 100% 10% 90% …   Wikipedia

• Friction — For other uses, see Friction (disambiguation). Classical mechanics …   Wikipedia

• 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

• impedance — 1. Total opposition to flow. In electricity, when flow is steady, i. is simply the resistance, e.g., the driving pressure per unit flow; when flow is changing, i. also includes the factors that oppose changes in flow. Thus, deviations of i., from …   Medical dictionary

• Boundary lubrication — Brief description of lubricationLubrication is the process, or technique employed to reduce wear of one or both surfaces in relative motion to one another by interposing a substance called lubricant between the surfaces to carry or to help carry… …   Wikipedia

• heavy oil and tar sand — Introduction       crude oils (crude oil) below 20° API gravity are usually considered to be heavy. The lighter conventional crudes are often waterflooded to enhance recovery. The injection of water into the reservoir helps to maintain reservoir… …   Universalium

• Sedimentation coefficient — The sedimentation coefficient s of a particle is used to characterize its behaviour in sedimentation processes, notably centrifugation. It is defined as the ratio of a particle s sedimentation velocity to the acceleration that is applied to it… …   Wikipedia

• Henrichenburg boat lift — The Henrichenburg boat lift facilitates a change in elevation of the Dortmund Ems Kanal in Waltrop Oberwiese. The boat lift is part of the Waltrop Lock Park (Schleusenpark), which includes the old Henrichenburg boat lift built in 1899, a disused… …   Wikipedia

• viscoresistive — adjective Of or pertaining to viscous resistance See Also: viscoresistance …   Wiktionary

• D'Alembert's paradox — In fluid dynamics, d Alembert s paradox (or the hydrodynamic paradox) is a contradiction reached in 1752 by French mathematician Jean le Rond d Alembert.[1] D Alembert proved that – for incompressible and inviscid potential flow – the drag force… …   Wikipedia