Sentences with phrase «velocity field of»

Bindschadler, R. A., Fahnestock, M. A., Skvarca, P. & Scambos, T. A. Surface - velocity field of the northern Larsen Ice Shelf, Antarctica.

That's better than nothing but it will tell you nothing about what the velocity field of the smoke plume (e.g its form) will be and how it will evolve in time.

Laplacian (V) Where: i is an index 1 or 2 — R is density — V is the velocity field of components (u, w) in 2D — Fi are some functions of (x, z) that I don't specify for the moment — Ep is the potential energy per mass unit (here gravity)-- P is the pressure — µ is viscosity

Sensitive observations of emission and absorption in this line can probe deeply into the reheating and reionization epochs, and give us a detailed view of the density, temperature and velocity field of the material.

Satellite - image - derived velocity field of an Antarctic ice stream, Science, Vol.

Surface velocity field of northern Larsen Ice Shelf, Antarctica, Annals of Glaciology, Vol.

Researchers separeted the total 2D - velocity field of intra-ventricular flow (left) into a vortex field (center) and an irrotational field (right).

Surface velocity fields of Ice Stream D and E, West Antarctica, Eos, 73, 182.

Not exact matches

Recent years have seen the rise of firms such as Sportvision, which sell data - collecting cameras that track movements on the field imperceptible to the human eye, such as the precise path and velocity of a baseball pitch.

You could have said that the effective mass was equal to the mechanical mass plus some sort of electromagnetic mass, which had the property of increasing with the velocity in the ratio of 1 divided by the square root of 1 - v2 / c2, because as the field gets stronger the whole system contracts.

Moreover, the influence of the electron or its field streams away from it with finite velocity, transmitting its character into the future (PW 205/225).

If he can fine - tune his deep ball a bit, we're looking at a pure pocket passer with anticipation, accuracy and velocity on every part of the field.

Using a video from NASA's 2000 Cassini mission, the authors apply an existing algorithm, called Advection Corrected Correlation Image Velocimetry (ACCIV), to obtain a time - resolved, two - dimensional representation of Jupiter's wind - velocity field.

Although the stretch of the magnetic field has been thought to occur when the plasma flow reaches a specific velocity called the Alfven velocity, the experiment shows that it actually occurs at a slower velocity than expected.

Semantic Scholar tries to reveal what's «hot» in the field by measuring the «velocity» and «acceleration» of bodies of work, measurements of how rapidly others are citing certain work, and whether that is trending.

Instantly — and unconsciously — the fielder gauges this apparent change in velocity and begins pedaling forward or backward in an attempt to neutralize it, so that he will be standing in exactly the right position to pluck the ball out of the air when it at last completes its plummet.

He reasoned that lines of force were analogous to the paths followed by the molecules of a fluid and that the strength of the electric or magnetic field was analogous to the velocity of the fluid.

The precise method for accelerating the ions may vary, but all designs take advantage of the charge - to - mass ratio of ions to accelerate them to very high velocities using a high electric field.

As the hair moves because of the electric field, it changes the frequency of the laser light that hits it, allowing the vibrometer to keep track of the velocity of motion of the hair.

Together with Eric Blackman, an astrophysicist at the University of Rochester, and Michael Watkeys, a geologist at the University of KwaZulu - Natal in South Africa, Tarduno hypothesizes that the region — which is referred to as a Large Low Shear Velocity Province (LLSVP)-- affects the direction of the churning liquid iron that generates Earth's magnetic field.

The researchers were able to alter the rate at which they released the drops, and by changing the strength of the magnetic field they could also adjust the velocity of the drops.

The magnetic field also varied across the dish, so that the drops moved at a uniform velocity across to the edge of the dish once released.

Plasmas, being composed of charged particles (some with very high velocities), can be manipulated by magnetic fields.

Turbulence behavior in high - temperature plasma confined in the magnetic field is described mathematically through a dynamical equation in five - dimensional space (the three coordinates of space to which two components of particle velocity are added).

This strategy makes use of the intense electric fields associated with pulsed, high - energy laser beams to accelerate electrons and protons to «relativistic» velocities (i.e. speeds approaching that of light).

He notes that such a model requires precise knowledge of gas velocities as well as the strength and tilt of magnetic fields in the penumbra, data the Swedish team hopes to obtain next year.

«These data recover the well - known solar 5 - minute oscillation at a peak of 3 mHz (5.5 min) from the disk - averaged light with a radial - velocity amplitude of only 47 cm / s, an incredibly small velocity from a stellar point of view», says Prof. Strassmeier, PEPSI principal investigator and director of the Cosmic Magnetic Field branch at the Leibniz Institute for Astrophysics Potsdam (AIP).

After stretching, we would not expect to see vast amounts of heat, extreme rotational velocities, or gigantic magnetic fields that a collapse of a giant spinning dust cloud would produce.

We analyze the kinematics of ultracool dwarfs in our catalog and find evidence that bluer but otherwise generic late - M and L field dwarfs (i.e., not subdwarfs) tend to have higher tangential velocities compared to typical field objects.

The 2.56» / yr proper motion of PSO J043.5 +02 is the second highest among field T dwarfs, corresponding to an tangential velocity of 87 + / -8 km / s.

To observe certain evidence of collapse, we require a high - velocity spatial resolution (to map the velocity field across small structures) that is highly sensitive (to take full advantage of the high - velocity spatial resolution).

Abstract: We have constructed a thermally compensated field - widened monolithic Michelson interferometer that can be used with a medium - resolution spectrograph to measure precise Doppler radial velocities of stars.

A spectrograph spreads out the light gathered by a telescope so that it can be analyzed to determine such properties of celestial objects as chemical composition and abundances, temperature, radial velocity, rotational velocity, and magnetic fields.

Their nuclei emit jets of high - velocity gas (near the speed of light) above and below the galaxy — the jets interact with magnetic fields and emit radio signals.

These alterations affect the properties of the solar wind, including its magnetic field properties, velocity, temperature and density.

Determination of Cloud Base Height, Wind Velocity, and Short - Range Cloud Structure Using Multiple Sky Imagers Field Campaign Report.

As they drift along their orbits, some of their members escape the cluster, due to velocity changes in mutual closer encounters, tidal forces in the galactic gravitational field, and encounters with field stars and interstellar clouds crossing their way.

We first generate a stellar field with planetary companions based on radial velocity discoveries, use a planetary evolution model assuming a variable fraction of heavy elements to compute the characteristics of transit events, then apply a detection criterion that includes both statistical and red noise sources.

Due to the complex nature of some computer configurations or problems, some repairs can not be diagnosed by telephone or feasibly performed in the field and so, at the discretion of the Velocity Micro support technician, require the product be returned to Velocity Micro's facility for further diagnosis or repairs.

Thus doubling the solar wind velocity [which is what happens during these solar wind peaks of 500 - 1000 km / s and more increases the dynamic pressure pulse four fold, increases the electrical field - aligned currents, which then increases ionospheric Joule heating which contribute to global warming.

The solar wind is a flux of charged particles that flows at supersonic velocity from the Sun's outer atmosphere (the corona) and carries with it the solar magnetic field.

If you think the wind field is something else feel free to be specific as to which component of the velocity field is «Nullius - wind» and which is turbulence.

Sukhatme J and Pierrehumbert RT 2002: Decay of passive scalars under the action of single scale smooth velocity fields in bounded two - dimensional domains: From non-self-similar probability distribution functions to self - similar eigenmodes.

In a column of air under a gravitational field which, unlike our atmosphere, is in thermal isolation, the quicker molecules will tend to rise higher and lose some of that velocity (or energy) and the slower ones will fall and gain velocity.

A formal derivation of the dynamic relation between the atmosphere and solid earth make it possible to calculate the changes in the earth's rotational velocity from the large - scale distribution of the atmospheric pressure and dynamics of the wind fields (Barnes et al. 1983).

Overall, the results of our calculations of the amplitudes of the waves with m = 6, 7, and 8 in the field of the midlatitude meridional velocity at 300 hPa suggest that 12 of the 17 HPA events during May − September of 2012 and 2013 substantially coincided or were preceded by QRA events up to 2 wk earlier (see Fig. 1).

A strong snowmelt in late April / early May and torrential rains in late May / early June could have been caused by the occurrence of persistent quasibarotropic high - amplitude QRA structures with zonal wave numbers m = 6 and m = 7 in the field of the NH midlatitude meridional velocity.

In fact, for gravity field acting, Caballero agrees the temperature field is non-isothermal as the mean velocities vary from top to bottom of the air column in sec. 2.3 where he does add the gravity field: ``... this time we'll add the effect of gravity....

I note that in section 2.17 to develop the temperature field eqn., Caballero refers us to Fig. 2.3 for the gas in a pipe where it is assumed to quote Caballero: ``... consider a pipe of cross-sectional area A containing an ideal gas with an isotropic velocity distribution (Figure 2.3).»

More homework to find why those molecules can climb up in gravity field at constant speed, constant T even though «Mean velocities will be greater near the bottom of the box than near, the top..»