Hydrodynamic friction

friction produced by the viscosity of a liquid in motion.

See also: Hydrodynamic

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
The majority of the hydrodynamic friction losses occur at the midstroke region, because the highest piston velocity is achieved at this position [13].
A Novel Approach to Reduction of Frictional Losses in a Heavy-Duty Diesel Engine by Reducing the Hydrodynamic Frictional Losses
Since film thickness is inversely proportional to hydrodynamic friction coefficient, the rougher GG07 liner will exhibit lower friction in the hydrodynamic regime.
A Study of the Friction of Oil Control Rings Using the Floating Liner Engine
The hydrodynamic friction could also form when the sliding velocity increased from 3.47 m/s to 6.07 m/s, where the COF increased to some degree.
Investigation into mixed and hydrodynamic frictions of PEO coatings and cast iron
Indeed, the hydrodynamic friction increases with viscosity.
Numerical modelling of the hydrodynamic behaviour of the couple piston-liner
Focusing on tribology--the study of friction between two shearing forces, and the hydrodynamic friction experienced in a blink--Dr Pult explained that shearing forces are greater in the higher viscosity tear film of a dry eye patient, so he recommended fitting dry-eyed contact lens patients with a lens which has a low coefficient of friction.
Contact lenses uncovered
Note that the dielectric friction coefficient at infinite dilution [[beta].sup.[degrees].sub.p] is in general of the order of few percent and decreases with elongation L of the polyion so that the conductibility of the polyion is essentially governed by the ionic condensation process and the hydrodynamic friction [[lambda].sub.Poly] [approximately equals] [alpha] [[lambda].sub.P.sup.[degrees]HD].
Translational dielectric friction on a chain of charged spheres
Hydrostatic and hydrodynamic friction both have a fluid film of lubricant that separates the solid surfaces, the first created by externally applied fluid pressure, the second by viscous action.
There's the rub: some surprising discoveries are made in the quest of practically frictionless mechanical operation
where [d.sub.vx], [d.sub.[omega]y], is the coefficients of hydrodynamic friction according to the linear and rotational degrees of freedom correspondingly, l if the distance from the thruster to the AUV masses center, [[delta].sub.dmax] is the maximally possible thruster orientation angle in the horizontal plane
Some features of vectored thruster autonomous underwater vehicle control
From physics perspective, in this field, leakages and errors depend on mechanical friction of the meter's rotor and hydrodynamic friction due to liquid viscosity.
Investigation of liquid viscosity influence on flow rate measurement by rotary vane meters/Skysciu klampos itakos debito matavimui sukiaisiais mentiniais debito matuokliais tyrimas
Therefore increase in the engine speed involves an increase in hydrodynamic friction and reduction in mixed friction.
Characterization of various coatings in terms of friction and wear for internal combustion engine piston rings/Ivairiomis dangomis padengtu vidaus degimo varikliu stumokliu ziedu trinties ir isdilimo tyrimas
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