Controlling turbulent drag across electrolytes using electric fields

Reversible in operando control of friction is an unsolved challenge that is crucial to industrial tribology. Recent studies show that at low sliding velocities, this control can be achieved by applying an electric field across electrolyte lubricants. However, the phenomenology at high sliding velocities is yet unknown. In this paper, we investigate the hydrodynamic friction across electrolytes under shear beyond the transition to turbulence. We develop a novel, highly parallelised numerical method for solving the coupled Navier–Stokes Poisson–Nernst–Planck equation. Our results show that turbulent drag cannot be controlled across dilute electrolytes using static electric fields alone. The limitations of the Poisson–Nernst–Planck formalism hint at ways in which turbulent drag could be controlled using electric fields.

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-Animated Bike Video

Direct observation of active material interactions in flowable electrodes using X-ray tomography

Understanding electrical percolation and charging mechanisms in electrochemically active biphasic flowable electrodes is critical for enabling scalable deionization (desalination) and energy storage. Flowable electrodes are dynamic material systems which store charge (remove ions) and have the ability to flow. This flow process can induce structural changes in the underlying material arrangement and result in transient and non-uniform material properties. Carbon-based suspensions are opaque, multi-phase, and three dimensional, and thus prior characterization of the structural properties has been limited to indirect methods (electrochemical and rheology). Herein, a range of mixed electronic and ionically conducting suspensions are evaluated to determine their static structure, function, and properties, utilizing synchrotron radiation X-ray tomographic microscopy (SRXTM). The high brilliance of the synchrotron light enables deconvolution of the liquid and solid phases. Reconstruction of the solid phase reveals agglomeration cluster volumes between 10 μm3 and 103 μm3 (1 pL) for low loaded samples (5 wt% carbon). The largest agglomeration cluster in the low loaded sample (5 wt%) occupied only 3% of the reconstructed volume whereas samples loaded with 10 wt% activated carbon demonstrated electrically connected clusters that occupied 22% of the imaged region. The highly loaded samples (20 wt%) demonstrated clusters of the order of a microliter, which accounted for 63–85% of the imaged region. These results demonstrate a capability for discerning the structural properties of biphasic systems utilizing SRXTM techniques, and show that discontinuity in the carbon particle networks induces decreased material utilization in low-loaded flowable electrodes.

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-Instructional Video

Reversible ultralow-voltage liquid–liquid electrowetting without a dielectric layer

Electrowetting-on-dielectric devices typically have operating voltages of 10–20 V. A reduction in the operating voltage could greatly reduce the energy consumption of these devices. Herein, fully reversible one-electrolyte electrowetting of a droplet on a solid metal surface is reported for the first time. A reversible change of 29° for an 800 mV step is achieved. The effects of surface roughness, electrolyte composition, electrolyte concentration and droplet composition are investigated. It was found that there is a dramatic dependence of the reversibility and hysteresis of the system on these parameters, contrary to theoretical predictions. When a 3-chloro-1-propanol droplet is used, a system with no hysteresis and a 40° change in angle are obtained.

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communication overview video


Fulham High street is always buzzing with activity and is dotted by an assortment of eateries. Nestled among them is one hidden gem called Pure Indian Cooking. With a female chef, Shilpa Dandekar at the helm this is a neighbourhood restaurant with a loyal set of patrons.

April 14, 2017 by manjirichitnis Leave a Comment

Fulham High street is always buzzing with activity and is dotted by an assortment of eateries. Nestled among them is one hidden gem called Pure Indian Cooking. With a female chef, Shilpa Dandekar at the helm this is a neighbourhood restaurant with a loyal set of patrons.

The minimalist interiors at Pure belie the superior quality of food and service served up by the husband-wife duo. who have worked with some of London’s finest high-end names. Chef Shilpa has worked with the likes of Chef Raymond Blanc OBE. Both Faheem and Shilpa began their career with the Taj group and then continued to work with big names like The Bombay Brasserie and the Michelin-starred Quilon.

Cocktails with familiar Indian flavours like mango and chilli, I always find very tempting and the Mango Chilli Margarita at Pure is quite bold and refreshing.

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Waste Management Video

Simple Perspective For 2D Animation

Perspective drawing is the art of creating the illusion of three dimensional space on a two dimensional surface such as a piece of paper or your computer monitor screen. The principles of Perspective drawing are also very relevant to 2D animation – particularly when you want to move a character closer or further away from the camera.
In this series of articles on perspective I’m going to demonstrate how perspective can be taken into consideration when creating your animations. I’m going to try to keep things simple so you don’t have to remember too much when applying these concepts in your own work.
I’ll be using the GoAnimate Full Featured Video Maker to create my examples but the concepts also apply to any form of 2D animation. If you’d like a detailed explanation of Perspective Drawing then there is a great series of articles in Art Factories, Perspective Drawing Techniques for Artists.
Most people are aware of the key concept of perspective i.e. things get smaller as they move further away and bigger as they get closer. However applying that idea to moving characters can be quite a challenge. You’ll often see this kind of Perspective failure (see animation below) with new animators where a character walks unnaturally off the bottom of the screen.

For more you can check: 2D Character Animation Video

What is Whiteboard Animation?

Whiteboard Animation Whiteboard animation is a video style where the viewer can see static images drawn on the screen. Typically, the script is structured as a third-person narration or a use-case example, that supports the story that is told through the drawing. They are simple, yet incredibly engaging.
If you have ever seen such a video you will understand its hypnotic nature. Watching the words and images unfold throughout the video is mesmerizing. Making a whiteboard video an incredibly effective tool. Whiteboard animation is particularly useful in explaining complicated concepts in a straightforward manner. However, it can really be used by any kind of business with awesome results.
In this article, we will discuss some important aspects of whiteboard animation. By its conclusion, you will be an expert in its use and will know whether whiteboard animation is a suitable style that your own business should invest in!Like other video formats, whiteboard animation costs have a number of different factors. Everything from total animation time, the complexity of the characters used, to the location of your animator will affect the total cost of your video. At Video Brewery, we recommend a minimum budget of $1,500. This will ensure a standard of production that will benefit your brand and your attraction to potential customers.

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Video Marketing: The Future Of Content Marketing

In the last 10 years, the digital landscape has changed significantly. People are phasing out desktop and laptop computers to search the web and interact with content. Instead, they are picking up their mobile phones and tablets. What’s more, digital technology is cheaper today than it’s ever been before; there are virtually no boundaries on how, when and where people can interact with content.
As such, the landscape of content marketing has changed, as well. Today, content only succeeds if it delivers what consumers want, when and how they want it.
Fortunately, it’s easy to keep up with the changing landscape when you invest in cutting-edge forms of content, such as video marketing. In today’s fast-paced world, video marketing is one of the few types of online material that provides the value, relevance and flexibility consumers need, all while catering to the on-the-go lifestyle they want.
Here’s everything you need to know about video marketing and why it’s being hailed as the future of content.

For more you can check :Web Marketing Video

Medical 3D printing: methods to standardize terminology and report trends

Medical 3D printing is expanding exponentially, with tremendous potential yet to be realized in nearly all facets of medicine. Unfortunately, multiple informal subdomain-specific isolated terminological ‘silos’ where disparate terminology is used for similar concepts are also arising as rapidly. It is imperative to formalize the foundational terminology at this early stage to facilitate future knowledge integration, collaborative research, and appropriate reimbursement. The purpose of this work is to develop objective, literature-based consensus-building methodology for the medical 3D printing domain to support expert consensus.We first quantitatively survey the temporal, conceptual, and geographic diversity of all existing published applications within medical 3D printing literature and establish the existence of self-isolating research clusters. We then demonstrate an automated objective methodology to aid in establishing a terminological consensus for the field based on objective analysis of the existing literature. The resultant analysis provides a rich overview of the 3D printing literature, including publication statistics and trends globally, chronologically, technologically, and within each major medical discipline. The proposed methodology is used to objectively establish the dominance of the term “3D printing” to represent a collection of technologies that produce physical models in the medical setting. We demonstrate that specific domains do not use this term in line with objective consensus and call for its universal adoption.

For more details: Animated Promotional Video



How do curricula need to change to improve learning and encourage the inclusion of all pupils?


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Vehicle refinance video Examples



How does education need to change to accommodate everyone?


I didn't find the right solution from the internet.
Managed IT support video Examples