Results 281 to 290 of about 107,651 (313)
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Luminescent oil-film skin-friction meter
AIAA Journal, 1998The principles of a luminescent oil-e lm skin-friction meter are described. Unlike the interferometric oil-e lm methods, this technique measures skin friction by detecting luminescent intensity of an oil e lm seeded with luminescent probe molecules. The measurement system for luminescence imaging is simple and easy to use, and this technique requires ...
Tianshu Liu, J. P. Sullivan
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Properties of Zein Films Coated with Drying Oils
Journal of Agricultural and Food Chemistry, 2005Zein films prepared by resin were coated with either flax oil or tung oil and cured by UV- or gamma-radiation. Coated zein films were then evaluated for tensile and water barrier properties. Film microstructure was examined by transmitted light microscope.
Qin, Wang, Graciela W, Padua
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Analysis of Oil Film Thickness on a Piston Ring of Diesel Engine: Effect of Oil Film Temperature
Journal of Engineering for Gas Turbines and Power, 2001This paper describes an analysis of oil film thickness on a piston ring of a diesel engine. The analysis of the oil film thickness has been performed by using Reynolds equation and unsteady, two-dimensional energy equation with heat generated from viscous dissipation.
Masaaki Takiguchi +2 more
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A Theory of Cavitation in an Oscillatory Oil Squeeze Film
World Tribology Congress III, Volume 1, 2005The cavitation of oil films in bearings subjected to dynamic loads is not well understood. In order to compute reliably the performance of dynamically loaded bearings, it is important to know the underlying mechanisms of the cavitation phenomenon and be able to predict its occurrence and subsequent development.
D. C. Sun +4 more
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Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences, 1962
Abstract This paper presents a solution to the elasto-hydrodynamic problem of normal approach of two cylindrical bodies separated by a lubricating film. Analytic solutions are found for the special cases of constant viscosity and rigid material and also for pressure-dependent viscosity.
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Abstract This paper presents a solution to the elasto-hydrodynamic problem of normal approach of two cylindrical bodies separated by a lubricating film. Analytic solutions are found for the special cases of constant viscosity and rigid material and also for pressure-dependent viscosity.
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1993
In Chap. 6 relationships were given, on the basis of certain assumptions, between radial movement of the journal and the accompanying force. Accordingly, an oil-film bearing can broadly be described as a spring-damper element, with the special property that the displacement and the force in general do not occur in the same direction. In comparison with
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In Chap. 6 relationships were given, on the basis of certain assumptions, between radial movement of the journal and the accompanying force. Accordingly, an oil-film bearing can broadly be described as a spring-damper element, with the special property that the displacement and the force in general do not occur in the same direction. In comparison with
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Mixed adsorbed films at oil-water interfaces
Journal of Colloid Science, 1948Abstract Measurements have been made of the interfacial tensions of aqueous solutions of sodium dodecyl sulfate against solutions of octyl alcohol in benzene. By the application of the Gibbs adsorption theorem approximate calculations have been made of the surface excess of alcohol molecules and detergent molecules in the mixed adsorbed interfacial ...
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Optical nonlinearity in a film of water in oil microemulsion
Optical Materials, 2001Optical nonlinearity by an optically thin film of water in oil microemulsion (AOT/water/decane) is reported and studied by self-phase modulation. Water in oil microemulsion is a system of spherical droplets of water coated by a monolayer of surfactant molecules, immersed in oil.
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Visualization of Velocity Distribution and Cavitation of Oil Film in Journal Oil Film Bearing
The Proceedings of Mechanical Engineering Congress, Japan, 2017Bunji KURAMOTO, Hiromu HASHIMOTO
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