Contact line instability

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August undefined, 2024

WebSep 14, 2024 · This paper presents a new kind of instability when inserting a soluble fiber into liquid. After wetting and dissolving the fiber by the liquid, the moving contact line (MCL) spontaneously loses stability. Because the sculpted shape of the fiber looks like a Chinese pagoda, this instability is named as the pagoda instability (PI). WebJan 1, 2014 · Contact-line instability of liquids spreading on top of rotating substrates 1. Introduction. The spreading of liquids on solids under various conditions has been …

Transient Ampliﬁcation and Contact Line Instability - UCLA Ma…

Webidea of a nonlinear instability has been used to explain the disagreement between the predictions of the linear stability analysis and experimental data for the contact line instability in gravity driven spreading of thin liquid films @4#. Non-normality can also arise in the absence of mean ﬂow as a result of localized feedback control @5,6#. WebSep 14, 2024 · This paper presents a new kind of instability when inserting a soluble fiber into liquid. After wetting and dissolving the fiber by the liquid, the moving contact line … maynard beacon obituaries

Moving Contact Line Instability on Soluble Fibers Request PDF

WebWe find insurance shoppers at home, at work or on the go, speak with them to verify intent and then transfer the call to your agency. Our inbound insurance calls come with a 100% … WebThe moving contact line of a thin fluid film can often corrugate into fingers, which is also known as a fingering instability. Although the fingering instability of Newtonian fluids … WebJul 30, 2003 · In (d), the contact line instability is suppressed on the right half of a spreading front by feedback via illumination variations applied just behind the contact … maynard avenue new port richey fl

Multiscale Periodic Assembly of Striped Nanocrystal Superlattice …

Spectral theory for the failure of linear control in a nonlinear ...

WebJan 18, 2005 · For the receding contact line, we demonstrate for the first time how the local contact line solution can be matched to the far-field meniscus. In doing so, we confirm … WebExperiments indicate that initially, as the bridge is stretched, the lower contact line slowly retreats inward. However, at a critical radius, the bridge becomes unstable, and the … hertz dream cars seattleWebMar 2, 2024 · Xu and S. H. Davis, “ Instability of capillary jets with thermocapillarity,” J. Fluid Mech. 161, 1 ... R. O. M. Grigoriev, and F. Schatz, “ Transient Amplification and Contact Line Instability,” in Division of Fluid Dynamics 56th Annual Meeting, November 23–25, East Rutherford, New Jersey (American Physical Society, 2003). hertz dream cars las vegas

"WebThe moving contact line of a thin fluid film can often corrugate into fingers, which is also known as a fingering instability. Although the fingering instability of Newtonian fluids has been studied extensively, there are few studies published on contact line fingering instability of non-Newtonian fluids. " - Contact line instability

Contact line instability

Instability Definition & Meaning - Merriam-Webster

WebMay 28, 2013 · As the radius of the cylinder decreases, the modes of perturbation have an increased growth rate, thus increasing cylinder curvature partially acts to encourage the contact line instability. In direct competition with this behavior, a decrease in cylinder radius means that fewer fingers are able to form around the circumference of the cylinder. WebSep 14, 2024 · This paper presents a new kind of instability when inserting a soluble fiber into liquid. After wetting and dissolving the fiber by the liquid, the moving contact line (MCL) spontaneously loses stability. Because the sculpted shape of the fiber looks like a Chinese pagoda, this instability is named as the pagoda instability (PI).

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WebJul 12, 2024 · We report a numerical study of the contact-line effect on the Faraday instability. A momentum balance model is implemented to simulate the hysteresis of the … WebMay 26, 2024 · 1. Find your last phone bill. Look for a website for customer service. You can also go directly to a search engine and type in “Report a fault” and the telephone …

WebJun 16, 2024 · Furthermore, a macroscopic oil film was left behind on the surface, which indicates that a contact line instability occurred during displacements. The shape of the oil/water meniscus was determined by the balance between viscous forces and capillary forces. The meniscus can be significantly distorted by viscous forces at ultralow IFT.

WebFeb 19, 2001 · The wetting kinetics of a drop on a solid surface is measured by observing the movement of the contact line, which is often seen to be unstable, showing a … WebApr 1, 1997 · @article{osti_495864, title = {Stability of viscoelastic dynamic contact lines: An experimental study}, author = {Spaid, M A and Homsy, G M}, abstractNote = {An experimental study of the rivulet instability associated with spin coating a circular drop of fluid is conducted to examine the effect of elasticity on the onset and evolution of the ...

WebJan 1, 2014 · In particular, he finds a fingering instability of the contact line and derives an expression for the wavelength of the disturbances, which appears to be independent of …

WebAug 10, 2016 · Taming contact line instability for pattern formation Abstract. Coating surfaces with different fluids is prone to instability producing inhomogeneous films and patterns. Introduction. Coating surfaces with Newtonian fluids and complex fluids is … We would like to show you a description here but the site won’t allow us. hertz dream cars st louisWebContact the President, Vice President, get help with a Federal Agency, or ask a question about WhiteHouse.gov. hertz driver age policyWebcomputational analyses of contact-line instability problems. The implementation of the lubrication theory in the present chapter employs a precursor-film approach to resolve the moving contact-line singularity [16]. Several authors have compared the precursor-film method with the local-slip method for removal of the contact-line singularity and maynard ave church columbus ohioWebAug 1, 2014 · Contact line instability. In early AC electrowetting studies, Vallet et al. observed an instability of the contact line close to the critical (saturation) voltage for low conductivity liquids such as water [110]. They found that microdrops spontaneously ejected from the contact line as the voltage was larger than a critical value. maynard booster club storeWebMar 16, 2024 · DOI: 10.1016/j.ces.2024.115418 Corpus ID: 214139503; Contact line instability of gravity driven thin films flowing down an inclined plane with wall slippage @article{Ma2024ContactLI, title={Contact line instability of gravity driven thin films flowing down an inclined plane with wall slippage}, author={Chicheng Ma and Jianlin Liu and … maynard beacon-villagerWebDownload scientific diagram a and b: Isochores (a) and isobars (b) on the pressure background after the passage of the shock front of a blast wave through initially perturbed contact ... hertz drive youWebfingering instability at the moving contact line of a spreading thin film. Numerous experimental and analytical/numerical studies have examined the dynamics of a gravity-driven contact line following the famous study of Huppert [9]. Schwartz [10] proved the contact line instability is controlled by surface tension effects. Troian et al. [11 ... maynard belt obituary