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Static and dynamic contact angle measurements using a custom-made contact angle goniometer
Contact angle is a physical quantity used to evaluate the interaction between a solid surface and a liquid. However, many research laboratories or...
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Digital holographic microscopy for measurement of instantaneous contact angle of an evaporating droplet
Despite the apparent simplicity of the process of a droplet evaporating on a substrate, the temporal evolution of the local contact angle along the...
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A Simple Method to Measure the Contact Angle of Metal Droplets on Graphite
The determination of solid–liquid interfacial tension plays an important role in science and technology. Here, we propose a simple method to directly...
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Influence of the Static Contact Angle on the Liquid Film Coverage for Falling-Film Systems
The coverage of the liquid film over the horizontal tubes, particularly the wetting ratio, is important for gravity-driven evaporators and absorbers...
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A comprehensive misalignment-rub-impact nonlinear dynamic spindle model considering contact angle and fit clearance under EHL
A high-speed spindle fault model equipped with the angular contact ball bearing (ACBB) was proposed in this investigation, and some factors such as...
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Pollution Characteristics of Pyrite Surface in Cyanide Tailings by PCA-Assisted ToF-SIMS and Their Correlation with the Contact Angle
The surface wettability of pyrite, as the main gold-bearing mineral in cyanide tailings, significantly influences flotation performance. This work...
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Graphene Surface Energy by Contact Angle Measurements
Graphene has become an intensive research field of study in the material science due to its peculiar properties and various applications....
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Influence of Contact Line Velocity Implementation in Dynamic Contact Angle Models for Droplet Bouncing and Non-bouncing Dynamics on a Solid Substrate
In this work, we studied numerically the dynamic behaviour of droplet impact over two different wettability surfaces having equilibrium contact...
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Effect of Particle Size and Roughness on Contact Angle of ZnTe Thin Films
Zinc telluride (ZnTe) thin films were prepared by close space sublimation method, and their detailed structural properties and wettability...
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Evaporation Effect on the Contact Angle and Contact Line Dynamics
This chapter shows how evaporation and condensation can modify the wetting conditions. First, we review the microscopic-scale phenomena acting near...
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Computational model and simulations of contact angle and geometry effects on centrifugal microfluidic step-emulsification
The generation of droplets in microfluidic systems is extensively applied in various chemical and biological applications. For two-phase immiscible...
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Development of Contact Angle Prediction for Cellulosic Membrane
Contact angle (CA) of a membrane determines its application. Accurate CA prediction models are available. Nevertheless, detailed membrane roughness...
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Numerical Study on the Effect of Dynamic Contact Angle on Air Entrapment and Spreading of a Hollow Droplet Impacting on a Surface
The computational analysis of the importance of dynamic contact angle on the dynamic of air entrapped and spreading factor of hollow droplet impact...
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Prediction of molten pool height, contact angle, and balling occurrence in laser powder bed fusion
In this work, an analytical modeling method is proposed for the prediction of molten pool height, contact angle, and balling occurrence in laser...
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Effect of Contact Angle on Droplet Generation in a T-Junction Microfluidic System
Microfluidics is an emerging field in the current research world due to its potential applications. A numerical study has been performed to...
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Climbing control of autonomous mobile robot with estimation of wheel slip and wheel-ground contact angle
The objective of this work is to control a delivery robot equipped with a passive bogie that can successfully climb up steps of various sizes and...
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Elastohydrodynamic Lubrication Interface Stiffness and Dam** Considering Asperity Lateral Contact
Elastohydrodynamic lubrication (EHL) point contact occurs between two rough surfaces at the mesoscopic level, while the interaction of rough surfaces...
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Contact angle measurements for automotive exterior water management
AbstractThe simulation of fluid flow over solid surfaces is important in many applications, for example, in automotive applications where good...
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Self-calibration method for installation angle of three-dimensional force sensor in active compliance assembly system
In the active compliance assembly systems for large components, the perception accuracy of contact force between assembled components is an important...
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Compensation of errors of alignment and contact pattern repositioning in hypoid gears with low crossing shaft angle
The investigation of the influence of different errors of alignment on the mesh behavior of hypoid gears with low crossing shaft angle has been...
