contact angle
Investigation of drop dynamic contact angle on copper surface
... dynamic contact angle at spreading of distilled non deaerate water drop on a solid horizontal ...static contact angles depending on volume flow rate have been obtained using shadow ...dynamic ...
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Modification of copper surface for increasing contact angle of water droplet using physical methods
... the contact angle of water droplet using by physical metal removal ...the contact angle using CNC lathe, conventional lathe, Electrical Discharge Machine ...in contact angle of ...
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Sessile water droplets on insulating surfaces subject to high AC stress effect of contact angle
... Contact angle may be defined as the angle formed between the tangent to the water droplet at its point of contact and the planar surface on which it is ...the contact angle when ...
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The influence of inertia and contact angle on the instability of partially wetting liquid strips : a numerical analysis study
... This paper focuses on one aspect of the problem not explored until now: the influence of inertia on the stability of the system, particularly for large contact angles. In spite of the small cross section of the ...
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A rivulet of a power-law fluid with constant contact angle draining down a slowly varying substrate
... (nonzero) contact angle down a slowly varying substrate, specifically flow in the azimuthal direction around the outside of a large horizontal circular ...
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Gas-liquid phenomena with dynamic contact angle in cathode of proton exchange membrane fuel cells
... compute DCA. He also presents a widely used formula describing the relationship between DCA and the contact angle in equilibrium. However, they are not dependent on the actual flow field. Therefore, Sikalo ...
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The estimation of dynamic contact angle of ultra-hydrophobic surfaces using inclined surface and impinging droplet methods
... the contact layer between the liquid and the hydrophobic surface ...the contact angle of approximately 160° this corresponds with characteristics of super hydrophobic ...
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Nonlocal hydrodynamic influence on the dynamic contact angle: Slip models versus experiment
... dynamic contact angle formed between the free surface of a liquid and a moving solid boundary at a fixed contact-line speed depends on the flow field/geometry near the moving contact ...
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A study on the evolution of the contact angle of small punch creep test of Ductile materials
... The work discussed in the present paper reports a novel investigation of the applicability of Chakrabarty’s theory, for membrane stretching of a circular blank over a rigid punch, to small punch creep test (SPCT). The ...
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Determination of Contact Angle of Olive oil and Canola Oil on a PTFE surface at Elevated Temperatures.
... Contact angle modification was highest in soybean ...oil) contact angle modification can be an index of overall oil degradation, being inversely correlated with oil acidity, peroxide value, ...
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Effect of the wheel/rail contact angle and the direction of the saturated creep force on rail corrugation
... different contact angles are built, which consist of a leading wheelset, two rails, a series of sleepers, support springs and ...different contact conditions between wheels and rails when a vehicle travels ...
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A bespoke contact angle measurement software and experimental setup for determination of surface tension
... Contact angle measurements of a solid surface can be materialized using a simple approach as presented in ...The contact angle measurement was analysed ...
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Correlation between sp2/sp3 Ratio or Hydrogen Content and Water Contact Angle in Hydrogenated DLC Film
... water contact angle was measured by AST VCA 2000 with de-ionized water where CCD can automatically catch the contact angle in left and right ...The contact angle was defined as ...
5
VOF simulations of the contact angle dynamics during the drop spreading: Standard models and a new wetting force model
... Citation: Malgarinos, I., Nikolopoulos, N., Marengo, M., Antonini, C. and Gavaises, M. (2014). VOF simulations of the contact angle dynamics during the drop spreading: Standard models and a new wetting ...
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VOF simulations of the contact angle dynamics during the drop spreading: Standard models and a new wetting force model
... the contact angle value at the end of the relaxation phase takes a value of approximately 15 degrees (static contact angle), the dynamic advancing contact angle formed during the ...
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Fabrication of a silica aerogel and examination of its hydrophobic properties via contact angle and 3M water repellency tests
... Also, there is an indirect relation between the water/alcohol number and its contact angle as shown in fig. 3 and Table 3. Thus, as alcohol content of the test droplet is increased, its contact ...
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Lattice Boltzmann modeling of contact angle and its hysteresis in two-phase flow with large viscosity difference
... The contact angle hysteresis is the difference between the advancing and receding contact angles and is used to characterize surface roughness and/or surface ...The contact angle ...
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Contact angle, conductivity and mechanical properties of polycaprolactone/hydroxyapatite/polypyrrole scaffolds using freeze drying technique
... The wettability of the scaffolds weredetermined using a water contact angle measuring system (VCA Optima, AST Product, Inc). By dropping 1μl size of deionized water onto the composite surface and ...
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To Investigate the absorption, dynamic contact angle and printability effects of synthetic zeolite pigments in an inkjet receptive coating
... Ridgeway, et al., modified ground calcium carbonate (GCC) surface structure and observed these pigment structures to display improved ink spread and absorption properties. Likewise, Klass, et al., examined the ...
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The effect of the VOF CSF static contact angle boundary condition on the dynamics of sliding and bouncing elliposidal bubbles
... the contact angle, the bubble is forced to stretch in the direction perpendicular to the solid ...in contact with the wall and surface tension attempts to impose an orientation to the interface as a ...
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