Shear velocity, also called friction velocity, is a form by which a shear stress may be re-written in units of velocity. It is useful as a method in fluid...
6 KB (969 words) - 02:56, 16 September 2023
Large low-shear-velocity provinces (LLSVPs), also called large low-velocity provinces (LLVPs) or superplumes, are characteristic structures of parts of...
18 KB (2,036 words) - 05:05, 29 July 2024
function of the flow velocity given any expression of the shear stress as function of the flow velocity. On the other hand, given a shear stress as function...
15 KB (1,929 words) - 18:36, 20 June 2024
replacing the velocity term in the particle Reynolds number by the shear velocity, u ∗ {\displaystyle u_{*}} , which is a way of rewriting shear stress in...
56 KB (8,282 words) - 08:15, 25 June 2024
hundreds of kilometers in diameter and tens of kilometers thick. Their shear wave velocities can be up to 30% lower than surrounding material. The composition...
10 KB (1,171 words) - 20:14, 1 October 2023
shearing to the material. Shear rate is a measure of how the velocity changes with distance. The shear rate for a fluid flowing between two parallel plates,...
4 KB (522 words) - 23:40, 20 July 2024
the Moon. Collision simulations support the idea that the large low-shear-velocity provinces in the lower mantle may be remnants of Theia. Theia is hypothesized...
11 KB (1,102 words) - 14:45, 1 August 2024
Viscosity (redirect from Shear viscosity)
aforementioned ratio u / y {\displaystyle u/y} is called the rate of shear deformation or shear velocity, and is the derivative of the fluid speed in the direction...
99 KB (11,408 words) - 18:13, 16 August 2024
Newtonian fluid (redirect from Newtonian shear)
fluids and measures shear stress as a function of strain rate. The relationship between shear stress, strain rate and the velocity gradient for the power...
21 KB (3,037 words) - 15:20, 31 May 2024
Speed of sound (redirect from Velocity of sound)
volumetric deformations and shear deformations. Hence, it is possible to generate sound waves with different velocities dependent on the deformation...
56 KB (7,918 words) - 22:08, 11 July 2024
zero shear modulus. In homogeneous and isotropic solids, there are two kinds of waves, pressure waves and shear waves. The velocity of a shear wave,...
12 KB (1,559 words) - 20:05, 20 August 2024
(also known as the logarithmic law of the wall) states that the average velocity of a turbulent flow at a certain point is proportional to the logarithm...
16 KB (1,760 words) - 08:36, 26 May 2024
reservoir of very dense rock inside the Earth called the African large low-shear velocity province. The position of the anomaly can be that of the maximum magnetic...
16 KB (1,613 words) - 20:02, 19 August 2024
Strain-rate tensor (redirect from Velocity gradient)
position) of the flow velocity. In fluid mechanics it also can be described as the velocity gradient, a measure of how the velocity of a fluid changes between...
17 KB (2,378 words) - 21:11, 26 March 2024
zone and appear to be dominated by the African and Pacific Large low-shear-velocity provinces (LLSVP). The uppermost section of the outer core is thought...
9 KB (943 words) - 04:28, 7 March 2024
shear wave velocity calculations of pyrolitic lower mantle compositions considering minor elements resulted in a match with the PREM shear velocity profile...
14 KB (1,726 words) - 09:19, 29 July 2024
S wave (redirect from Shear wave)
seismology and other areas involving elastic waves, S waves, secondary waves, or shear waves (sometimes called elastic S waves) are a type of elastic wave and...
14 KB (1,933 words) - 03:13, 23 June 2024
Group velocity Propagation delay Shear wave splitting Wave propagation Wave propagation speed Planck constant Speed of light Matter wave#Phase velocity Nemirovsky...
9 KB (1,075 words) - 22:07, 19 January 2024
2011 suggests that due to the presence of relatively hot large low-shear-velocity provinces below Africa and the Pacific preventing convergent plate tectonics...
4 KB (396 words) - 21:09, 23 August 2024
shear refers to the variation of wind velocity over either horizontal or vertical distances. Airplane pilots generally regard significant wind shear to...
29 KB (3,345 words) - 16:06, 10 June 2024
In fluid dynamics, shear flow is the flow induced by a force in a fluid. In solid mechanics, shear flow is the shear stress over a distance in a thin-walled...
7 KB (984 words) - 09:09, 29 July 2024
velocity cp = fλ = ω/k, and the group velocity cg = dω/dk, as functions of d/λ or fd. cl and ct are the longitudinal wave and shear wave velocities respectively...
25 KB (3,737 words) - 21:33, 5 July 2024
anomalies beneath some hotspots. The best imaged of these are large low-shear-velocity provinces, or superplumes, visible on S-wave models of the lower mantle...
22 KB (2,796 words) - 04:00, 1 August 2024
∗ {\displaystyle u_{*}} is the shear velocity If the upwards velocity is approximately equal to the settling velocity, sediment will be transported downstream...
11 KB (1,276 words) - 04:32, 26 May 2024
fluids Shear rate, a gradient of velocity in a flowing material Shear line (meteorology), an area of wind shear Wind shear, a difference in wind speed or...
3 KB (409 words) - 03:37, 6 June 2023
Wind gradient (redirect from Shear wind)
gradient, more specifically wind speed gradient or wind velocity gradient, or alternatively shear wind, is the vertical component of the gradient of the...
35 KB (4,299 words) - 16:29, 29 February 2024
data show that mantle plumes can also be associated with Large Low Shear Velocity Provinces (LLSVPs) and do move relative to each other. The current mantle...
49 KB (6,056 words) - 07:46, 7 July 2024
large low-shear-velocity provinces and ultra low velocity zones. The top of the mantle is defined by a sudden increase in seismic velocity, which was...
28 KB (3,157 words) - 17:37, 3 August 2024
Shear strength is a term used in soil mechanics to describe the magnitude of the shear stress that a soil can sustain. The shear resistance of soil is...
21 KB (2,857 words) - 09:01, 17 June 2024
occurred twice. Dzhanibekov effect Large low-shear-velocity provinces Low-velocity zone Ultra low velocity zone Inner core super-rotation Intermediate...
17 KB (1,812 words) - 00:33, 27 April 2024