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low-friction

Slipping, sliding and stability: locomotor strategies for overcoming low friction surfaces

Slipping, sliding and stability: locomotor strategies for overcoming low friction surfaces

... The present study represents an exploratory approach to investigating how helmeted guinea fowl avoid falling on slippery surfaces. There are, however, some limitations with our study. We recorded and analyzed data from ...

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Si DLC coatings optimized for low wear and low friction applications

Si DLC coatings optimized for low wear and low friction applications

... Increasing friction coefficients from a range of 0.02 to 0.04 at low humidity to a range of ...highest friction coefficient of ...achieve low friction conditions by high saturation of ...

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Results of Theoretical and Experimental Researches of Anomalous Low Friction and Wear in Tribosystems

Results of Theoretical and Experimental Researches of Anomalous Low Friction and Wear in Tribosystems

... anomalously low friction from the standpoint of thermodynamics of non-equilibrium processes occurring under conditions of elastic interaction of microrelief of tribosystem ...external friction from ...

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Diamond like carbon/epoxy low friction coatings to replace electroplated chromium

Diamond like carbon/epoxy low friction coatings to replace electroplated chromium

... the friction and wear of various moveable devices, for example in the automotive, medical and manufacturing sectors ...hardness, low friction and high chemical stability and have been successfully ...

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Low Friction Sliding Planes of Greased PTFE for High Contact Pressures

Low Friction Sliding Planes of Greased PTFE for High Contact Pressures

... minimize friction between the bearing construction and the test ...dynamic friction coefficient μ d,max between ...static friction coefficient μ s remains below ...

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Pressure build-up and wear analysis of tapered screw extruder biomass briquetting machines

Pressure build-up and wear analysis of tapered screw extruder biomass briquetting machines

... High friction at the barrel-material interface, low friction at the screw-material interface, high screw speed and high mass flow rate also resulted in rapid pressure build-up along the screw ...

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Biphasic investigation of contact mechanics in natural human hips during activities

Biphasic investigation of contact mechanics in natural human hips during activities

... a low level of solid phase stress and low friction coefficient that are essential for natural joint ...very low ( \ 1 MPa) at these stages, therefore potentially not ...

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External apical root resorption and the release of interleukin 6 in the gingival crevucular fluid induced by a self ligating system

External apical root resorption and the release of interleukin 6 in the gingival crevucular fluid induced by a self ligating system

... The aim of this study was to investigate the amount of external apical root resorption (EARR) and the re- lease of interleukin (IL)-6 in the gingival crevicular fluid (GCF) in subjects treated with a low-force ...

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Friction between Archwire of Different Sizes, Cross Section, Alloy and Brackets Ligated with Different Brands of Low Friction Elastic Ligatures- An Invitro Study

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... using friction mechanics there is large amount of friction created in buccal segment, in brackets of premolar, so care has to be taken to reduce the ...dynamic friction than group 1 module, because ...

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Selection of the Material on the Basis of Wear and Friction in Journal Bearing

Selection of the Material on the Basis of Wear and Friction in Journal Bearing

... provide low friction and low wear coefficients but their use is limited to lower temperatures and consequently low speeds and ...poor friction coefficients, especially in unlubricated ...

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Design type air engine Di Pietro

Design type air engine Di Pietro

... An important factor determining the profitability of its application is suitable efficiency and productivity. This article describes an innovative pneumatic engine designed by Angelo Di Pietro. According to his ...

6

Optimization of Double Pipe Heat Exchanger with Response Surface Methodology Using Nanofluid and Twisted Tape

Optimization of Double Pipe Heat Exchanger with Response Surface Methodology Using Nanofluid and Twisted Tape

... Sarma, “Estimation of heat transfer coefficient and friction factor in the transition flow with low volume concentration of Al2O3 nanofluid flowing in a circular [r] ...

9

Simulation performance of low damage base connection on Abaqus

Simulation performance of low damage base connection on Abaqus

... important because in earthquakes such as Northridge (1994) and Kobe (1995) many brittle failures were reported at the base of the structure. In contrast, in the recent Canterbury earthquakes (September 2010, February ...

27

Low-impact friction materials for brake pads

Low-impact friction materials for brake pads

... State-of-the-art friction materials for applications in disc brake systems are constituted by composite materials, specifically formulated to ensure proper friction and wear performances, under the sliding ...

214

A new internal combustion engine configuration: opposed pistons with crank offset

A new internal combustion engine configuration: opposed pistons with crank offset

... and friction modelling of the engine indicated that efficiencies around 38% might be ...that friction losses in the engine exceeded that predicted in the original ...

8

Reynolds number dependence of mean flow structure in square duct turbulence

Reynolds number dependence of mean flow structure in square duct turbulence

... Our analysis of the DNS results has focused upon the dynamical mechanisms that lead to the behavior of mean velocity values when increasing the Reynolds number: deformation of the mean streamwise velocity and the shape ...

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Development of Numerical Model for Transients in pipe flow for Water Hammer Situation and Comparison of Different Friction Equations for Transient Friction

Development of Numerical Model for Transients in pipe flow for Water Hammer Situation and Comparison of Different Friction Equations for Transient Friction

... pipe friction during transient events has been modeled using steady friction approximations, such as, the Darcy-Weisbach friction ...steady friction approximation produced an insufficient ...

7

Structural Energy Characteristics of  Tribotechnical Contact in Unsteady  Operational Modes

Structural Energy Characteristics of Tribotechnical Contact in Unsteady Operational Modes

... the friction of such steel in the surface layer, because of the low potential barrier of shear deformation, the textured structure is ...by friction metal increases, resulting in an increased ...

7

Low order modelling of flow control techniques for turbulent skin friction reduction

Low order modelling of flow control techniques for turbulent skin friction reduction

... Johansson et al. [44] proposed that, essentially, riblets reduce turbulent skin-friction drag by inhibiting spanwise movement of coherent flow structures. Park [45] performed experimental studies, in the wall ...

264

Stability of Soil Block on Low Interface Friction Plane With and Without Side Supports

Stability of Soil Block on Low Interface Friction Plane With and Without Side Supports

... For a stability of soil block resting on a low interface friction plane, the gravity force is the driving force which causes the failure of a soil mass. For 3D displacement-based finite element analysis, ...

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