Sentences with phrase «turbulent flows of»

They then applied models of holographic duality to translate the black hole's physics to the turbulent flows of superfluids.
To the researchers» surprise, their calculations showed that turbulent flows of a class of superfluids on a flat surface behave not like those of ordinary fluids in 2 - D, but more like 3 - D fluids, which morph from relatively uniform, large structures to smaller and smaller structures.
Understanding mixing dynamics will help researchers with a long - term goal of visualizing the turbulent flows of an entire giant star, one similar to the sun.

Not exact matches

James P. Gorman, President and Chief Executive Officer, said, «Morgan Stanley effectively navigated turbulent markets while consolidating our market share gains with Institutional clients and demonstrating resilience across the Global Wealth Management business as evidenced by record net new assets flows since the formation of MSSB.
Even the researchers who created this image had a tough time interpreting its complex representation how of turbulent fluids flow in three dimensions.
The Reynolds number, the ratio of inertial forces to viscous forces, is often used in engineering to predict whether flow conditions will be turbulent, a high Reynolds number, or laminar.
At the planet's equator is a layer of turbulent air flow, which smoothes out at higher latitudes, notes Fred Taylor, a University of Oxford physicist and interdisciplinary scientist for the Venus Express mission.
But there may be a way to cut drag force by almost 30 %, according to computer simulations of turbulent ocean - water flows reported in the 19 May issue of Science by mechanical engineer Yiqing Du of the Massachusetts Institute of Technology and applied mathematician George Karniadakis of Brown University.
The researchers showed that despite the outward complexities, the law of resistance for the smooth patches is consistent with laminar flow, while the law of resistance for the chaotic patches is consistent with turbulent flow.
Fluid flows can take one of two forms: well - ordered «laminar» or highly disordered «turbulent» motion.
Most flows that we can observe in nature and in engineering are turbulent, from the smoke of an extinguished candle to the flow of blood in the left ventricle of our heart.
Astronomers have been able to forecast trends in the number of sunspots since the 1800s, but predicting individual spots requires satellites that can probe the turbulent plasma flows deep beneath the sun's surface.
The opposite of this is a turbulent flow which is characterized by vortices and chaotic changes in pressure and velocity within the fluid.
In their proof of principle, Björn Hof and his group have now shown that this assumption was wrong, and that a turbulent flow can indeed be transformed to a laminar one.
For such flow profiles the processes that sustain and create turbulent eddies fail and the fluid gradually returns to smooth laminar motion and it remained laminar until it reached the end of the pipe.
That thin layer of turbulence acts as a lubricant that allows the rest of the air to flow smoothly all the way around the ball, minimizing the size of the turbulent wake and the drag — a phenomenon known as the drag crisis.
So does water, in some cases: Around a small model of a rock - and - concrete dike, for instance, water may display a so - called laminar flow pattern, whereas in the real world it displays more chaotic turbulent flows.
Researchers from the University of Southampton are aiming to shed new light into the physics of turbulent flows inside the turbines of aero - engines.
According to the researchers, small VAWTs possess the ability to effectively operate in the presence of high turbulent flow, which makes them ideal energy harvesting devices in urban and suburban environments.
«Understanding the physics of turbulent flows inside turbines.»
The Southampton research team, led by Richard Sandberg, Professor of Fluid Dynamics and Aeroacoustics, and including Dr Andrew Wheeler and Professor Neil Sandham, has identified that Direct Numerical Simulations (DNS), a model - free approach based on first principles (no assumptions or modelling are used) can help to develop an improved understanding of the role of turbulent phenomena in the flow - field and determine the validity of current turbulence modelling.
Imagine the most extreme example, a human being who does not possess the power to forget, who is damned to see becoming everywhere; such a human being would no longer believe in his own being, would no longer believe in himself, would see everything flow apart in turbulent particles, and would lose himself in this stream of becoming; like the true student of Heraclitus, in the end he would hardly even dare to lift a finger.
That math solution describes a point in the turbulent flow that can be worked with to compute a prediction of what the turbulence will do next.
The speed of these currents determines how turbulent their flow around underwater mountain ranges (submarine topography) is.
But there's a lack of knowledge about the driving mechanisms behind the process and how the turbulent flow, drifting snow, and snow cover all interact.»
In the dolphin's case, a thin layer of water flows along the body until it becomes chaotic, or turbulent.
The team directly measured terms in turbulence model equations, providing insights into the global nature of the mixing (e.g., faster mixing near the edges of the turbulent fluid layer when compared with the core) and identifying the dominant mechanisms governing the flow evolution.
These winds flow through a galaxy, and push material out of it, but their turbulent motions are such that part of the material can be re-captured by the gravitational pull of the galaxy itself.
«This newly discovered analogy has the potential to be a significant step forward in our understanding of turbulent flows in free - surface vortices and to provide insights into diverse areas of study ranging from civil engineering hydraulic structures to weather systems in the atmosphere and even extending to the details of how galaxies rotate around the black holes at their centres,» Dr Richard Sherlock, a lecturer in Physics at IT Sligo, said.
When this happens, the normal slow - flow of blood through the veins becomes «very fast, swirling, and turbulent,» Huy Do, MD, an interventional neuroradiologist with Stanford Health Care, tells Health.
Editor Claudine Bouché's turbulent, free flowing cuts from early on in the film subtly slow in pace and becomes more pensive and methodical, capturing the tone of the characters by holding on to the shots a few seconds longer.
This is the world's first draught - stop system that enables different comfort levels to be selected for two occupants, as the driver and passenger can individually pivot the units to the centre of the vehicle in a flash, thus taming turbulent air flow from the rear.
To my eyes, it seemed that there was still quite a lot of turbulent air flowing around the body of the Civic, but the quality of my aerodynamic analysis could be one of the reasons why I shoot cars for a living rather than design them.
There's also Airguide, a new draught - stop system consisting of pivoting transparent plastic layers attached to the reverse of the roll - over bars — the driver or passenger can swing them to the centre of the vehicle in a flash to tame turbulent air flow.
For an investor looking to invest some funds in a foreign country stock this table might be a good place to start.Since this table lists the highly liquid stocks, investing in them reduces the risk of liquidity problem especially in times of turbulent markets.Another advantage of picking one of these stocks is «you are going with the flow of many investors» since there is heavy interest in these stocks.While this can be negatively implied as a herd mentality, still it makes sense to put some money in a highly traded stock first before jumping into other stocks of a country.For example — it is a good idea to pick up some National bank of Greece — NBG first before going for Diana Shipping — DSX or other Greek ADRs.
This is often also associated with some degree of mitral regurgitation, and these causes of turbulent blood flow account for the systolic murmur audible in some cats with HCM.
Thickening of the myocardium per se does not cause turbulent blood flow, hence many cats with HCM do not have a heart murmur.
Heart disease leads to turbulent blood flow which encourages the formation of clots.
video 5 — modified left parasternal short axis view of heart base with color Doppler of the pulmonary artery showing continuous flow with small turbulent jet in opposite direction.
A heart murmur is when extra vibrations are produced due to turbulent blood flow or because of vibrations of the heart structure, such as part of a valve.
Examples are: dogs with chronic heart failure or cats with cardiomyopathy, where the turbulent blood flow may increase the likelihood of development of endocarditis; and dogs with chronic kidney or hepatic failure, where metabolic instability may produce a secondary immunopathy or where septic vascular aggregates may exacerbate the systemic disease.
A heart murmur is an abnormal heart sound caused by turbulent blood flow into, through or out of one or more heart chambers.
In addition, focal syrinx cavities can form anywhere along the length of the spinal cord if there is something near the syrinx causing turbulent CSF flow.
Successfully navigating the turbulent turns of the New York city circuit requires a lot of skill if you want to finish with a fast time or respectable race position, while the narrow design reminiscent of the first WipEout game forces you to be strategic when overtaking opponents - you really have to meticulously memorise the layout of the track and remember braking points and boost pad locations to maximise your speed, but it's very rewarding when you get into a flow, blast through every boost pad and glide into every twist and turn at full speed.
The question you ask is what is the dependence of the boiling temperature as a function of pressure — this is a climate question that can be addressed very simply without considering the details of the turbulent flow.
Instead, it is a dynamically active, essentially turbulent fluid, in which large - scale tracer patterns arise from active turbulence and do not necessarily imply domination of the physics and climate system by large - scale flow fields....»
The chaos (turbulent flow) in a tube is due to the forcing of (pressure applied to) the liquid through the tube.
O'Gorman, P. A., and T. Schneider, 2006: Stochastic models for the kinematics of moisture flux and condensation in homogeneous turbulent flows.
But, from the physical side, not worry about some short time scale stuff is similar to not worrying about velocity fluctuations about a mean in a turbulent flow (for the purpose of curve fitting!)
So while the general idea of turbulence in air is correct, your calculation underestimates the tendency for turbulent flow.
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