Results 131 to 140 of about 2,938 (191)

Predictions of Liquid Methane (LCH₄) Lubricated Hybrid Tilting Pad Journal Bearings for Reusable Rocket Turbopumps. [PDF]

Materials (Basel)
Kim Y, Kim TH.
europepmc   +1 more source

Modifying polyelectrolyte charge density and surface coverage for enhanced polyelectrolyte-surfactant lubrication of biomimetic interfaces.

RSC Appl Interfaces
Weiand E, Rodriguez-Ropero F, Angioletti-Uberti S, Dini D, Ewen JP.   +4 more
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Modulating Casein-Stabilized Emulsions Through the Incorporation of Different Emulsifiers: Impacts on Microstructure and Oral Tribology. [PDF]

Foods
Ji S, Liu P, Sun M, Xu M, Zhang X, Wang Q, Pang Z, Liu X.   +7 more
europepmc   +1 more source

Mesoscale Modeling of Hydrogels Under Frictional Shear Stress. [PDF]

Macromolecules
Karimi M, Poorghani A, Pitenis AA, Alexeev A.   +3 more
europepmc   +1 more source

Tunable colloidal swarmalators with hydrodynamic coupling. [PDF]

Nat Commun
Heuthe VL, Iyer P, Gompper G, Bechinger C.   +3 more
europepmc   +1 more source

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Hydrodynamic Lubrication

Scientific Lubrication, 1957
The breakdown of laminar flow in the clearance space of a journal is considered, and the point of transition is considered in relation to experiments carried out with ‘bearings’ of large clearance. Experiments involving flow visualization with very large clearance ratios of 0.05 to 0.3 show that the laminar regime gives way to cellular or ring vertices
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Approximations in Hydrodynamic Lubrication

Journal of Tribology, 1992
In this numerical study of the approximations that led Reynolds to the formulation of classical Lubrication Theory, we compare results from (1) the full Navier-Stokes equations, (2) a lubrication theory relative to the “natural,” i.e., bipolar, coordinate system of the geometry that neglects fluid inertia, and (3) the classical Reynolds Lubrication ...
R. X. Dai, Q. Dong, A. Z. Szeri
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Hydrodynamic lubrication of threads

Wear, 1982
Abstract Two analytical solutions are derived for the hydrodynamic lubrication of threads. Numerical solution confirms their validity and bridges the gap between the two analytical solutions. The limits of validity of the solutions are discussed in the light of neglected effects which require further consideration.
A. Magnin, J.-M. Piau
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Boundary and hydrodynamic lubrication

Wear, 1990
Abstract Models of typical characteristics of the surfaces of two interfacing solids under pressure and sliding against each other are described. In the first model, the asperities, wedges of the harder surface, indent into the softer surface due to the applied pressure, producing opposing ridges on the surface of the softer component.
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Hydrodynamic Lubrication of ‘Perspex’

Nature, 1962
IN recent experimental investigations of the lubrication at heavily stressed contacts, particular attention has been paid to measurements of the thickness of the lubricant film which, between gear teeth, is typically about 1µ. Using steel cylinders nominally in line or point contact the thickness of the film has been deduced from measurements of ...
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