the frictional resistance
A CFD model for the frictional resistance prediction of antifouling coatings
... The use of marine antifouling coatings is a common method used to smooth hull surfaces to reduce the frictional resistance and fuel consumption of a ship. Additionally, the use of coatings with a proper ...
23
Effect of Sodium Fluoride Mouthwash on the Frictional Resistance of Orthodontic Wires
... Since most orthodontic patients are adolescents who usually do not maintain a satisfactory oral hygiene, many clinicians recommend fluoride-containing products to patients [12-15]. The fluoride ion exerts a bactericidal ...
5
The frictional resistance induced by bacterial based biofouling in drainage pipelines
... in frictional resistance. The magnitude of a biofilm’s frictional resistance is a function of the shear conditions under which the biofilm is ...the frictional resistance ...
41
Effect of Different Types of Toothpaste on the Frictional Resistance between Orthodontic Stainless Steel Brackets and Wires
... the frictional force ...the frictional forces reported in the current study might be different from the actual forces exerted during orthodontic movements ...
7
Comparison of Static Frictional Characteristics of Molybdenum Disulfide Coated and Uncoated TMA and Stainless Steel Rectangular Archwires in the Dry State: An In Vitro Study.
... 21 Darryl V Smith et al (2003) 77 studied the frictional resistance of various bracket archwire combinations. It was concluded that 1) ceramic brackets with and without metal slot had the greatest friction ...
100
Review on Air Bearings and Its Applications
... the frictional resistance and due to the contact of surfaces large amount of wear and tear takes place between the contacted ...reduce frictional resistance the thin layer of fluid is ...
6
Comparison of Frictional Resistance to Sliding on Pre-Adjusted Edgewise Brackets using Three Different Methods of Ligation and the Effect of Fluoride Mouth Rinse on Friction - An Invitro Study.
... Drescher and associates 21 (1989) found that an increased bracket width resulted in decreased friction. Their protocol permitted the bracket to tip under a given retarding force; this design intended to simulate the ...
115
Experimental Study on the Flow and Heat Transfer Characteristics of TiO2 Water Nanofluids in a Spirally Fluted Tube
... the frictional resistance coefficients compared with water in the smooth tube, ...the frictional resistance coeffi- cient. However, the frictional resistance is mainly caused by ...
12
Evaluation of Frictional Characteristics of Four Commercially Available Self-Ligating Brackets: An In-Vitro Study
... The frictional characteristics of the Damon3, Speed, In- Ovation R, and Time2 bracket systems were studied using a jig that mimics the three-dimensional movements that occur during sliding ...the frictional ...
95
MHD BOUNDARY LAYER VISCOUS INCOMPRESSIBLE FLUID FLOW AND HEAT TRANSFER OVER A NONLINEAR STRETCHING SURFACE WITH VARIABLE SURFACE TEMPERATURE AND PARTIAL SLIP
... The latter limiting case implies that the frictional resistance between the viscous fluid and the surface is eliminated, and the stretching of the sheet does no longer impose any motion [r] ...
15
Influence of fly ash on performance of high concentration cemented backfill material in coal mine
... the frictional resistance also increases, and the local resistance decreases first and then increases, and the dosage of fly ash has greater influence on frictional resistance than ...
6
Evaluation of kinetic friction in monocrystalline ceramic, polycrystalline ceramic and composite brackets in dry and wet field
... high frictional resistance and enamel abrasion of the opposing ...the frictional prospect and the esthetics ...the frictional resistance between different ceramic brackets and composite ...
5
Effect of Municipal Solid Waste Leachate on the Strength of Compacted Tropical Soil for Landfill Liner
... waste (MSW) leachate on the strength of compacted tropical soil for landfill liner. The leachate was obtained from an open dump site in Bauchi, Bauchi state Nigeria. The Mineralogy and chemical compositions of the soil ...
6
New horizons in marine coatings
... the resistance and effective power of the full-scale 3D KRISO Container Ship (KCS) ...the frictional resistance of flat plates representing the KCS were predicted for a design speed of 24 knots and a ...
17
A comparative study of frictional resistance of different orthodontic Archwires on ceramic brackets: an in vitro study
... If frictional forces are high, the efficiency of the system is affected and the treatment time may be ...its resistance to ...lower frictional forces than ceramic brackets but when the esthetic is ...
5
Effect of chlorhexidine-containing prophylactic agent on the surface characterization and frictional resistance between orthodontic brackets and archwires: an in vitro study
... The frictional force was measured on a universal testing machine with a crosshead speed of 10 mm/min over a 5-mm of ...the frictional resistance values between SS and Ni-Ti wires immersed in either ...
8
Frictional resistance evaluation in contemporary ligation systems: An Invitro study
... levels of friction for conventional brackets with unconventional elastomeric ligature compared with conventional bracket with conventional elastomeric ligature during sliding mechanics with 0.014 super elastic NiTi wire ...
6
Validation of the CFD approach for modelling roughness effect on ship resistance
... ship resistance using Computational Fluid Dynamics ...in frictional resistance due to the surface roughness, the experimental validations have been made only for flat plates which have zero pressure ...
24
Frictional Resistance of Three Types of Ceramic Brackets
... undesirable frictional resistance, bracket systems have attempted to reduce the frictional resistance component in a number of different ways including changes in the surface finish/material ...
7
The role of initial coherence and path materials in the dynamics of three rock avalanche case histories
... A back-analysis of the West Salt Creek Rock Ava- lanche was conducted based on the failure mechanism described by Coe et al. (2016). The 3D rupture surface of the slump block was input into Dan3D-Flex, and a ...
15