• the rotational degrees of freedom allow angular momentum to become a dynamical quantity that can be locally relaxed, leading to rotational viscosity. However...
    5 KB (881 words) - 10:38, 29 November 2024
  • Thumbnail for Viscosity
    Viscosity is a measure of a fluid's rate-dependent resistance to a change in shape or to movement of its neighboring portions relative to one another...
    100 KB (11,467 words) - 19:48, 24 May 2025
  • Viscous stress tensor (category Viscosity)
    gradual shearing, and a rotational viscosity coefficient which results from a coupling between the fluid flow and the rotation of the individual particles...
    17 KB (2,581 words) - 17:04, 14 March 2025
  • Thumbnail for Tidal locking
    loses rotational angular momentum, its orbital angular momentum is boosted by a similar amount (there are also some smaller effects on A's rotation). This...
    47 KB (5,091 words) - 09:10, 17 May 2025
  • be distributed among the rotational and vibrational degrees of freedom of molecular motion. Knowledge of the volume viscosity is important for understanding...
    12 KB (1,730 words) - 13:23, 11 April 2025
  • Viscometer (category Viscosity meters)
    The rotational speed of the sphere depends on the rotational velocity of the magnetic field, the magnitude of the magnetic field and the viscosity of the...
    33 KB (4,686 words) - 19:47, 19 May 2025
  • Thumbnail for Rotational diffusion
    Rotational diffusion is the rotational movement which acts upon any object such as particles, molecules, atoms when present in a fluid, by random changes...
    24 KB (3,967 words) - 09:45, 22 May 2025
  • Thumbnail for Ferroelectric polymer
    SCLCP's suffered from their slow switching times due to their high rotational viscosity. The ferroelectric property exhibits polarization–electric-field-hysteresis...
    17 KB (2,029 words) - 20:21, 26 May 2025
  • Thumbnail for Vortex
    Vortex (category Rotation)
    exhibit viscosity and this dissipates energy very slowly from the core of the vortex. It is only through dissipation of a vortex due to viscosity that a...
    26 KB (3,712 words) - 15:40, 24 May 2025
  • radical in a DMSO-water mixture. Rotational correlation times are employed in the measurement of microviscosity (viscosity at the molecular level) and in...
    3 KB (262 words) - 03:53, 28 May 2025
  • Thumbnail for Apparent viscosity
    apparent viscosity that is reported without the shear rate or information about the instrument and settings (e.g. speed and spindle type for a rotational viscometer)...
    3 KB (391 words) - 17:19, 19 July 2024
  • Thumbnail for Rheometer
    called rotational or shear rheometers, whereas rheometers that apply extensional stress or extensional strain are extensional rheometers. Rotational or shear...
    20 KB (2,566 words) - 15:20, 2 December 2024
  • Thumbnail for Reynolds number
    characteristic length (m) μ is the dynamic viscosity of the fluid (Pa·s or N·s/m2 or kg/(m·s)) ν is the kinematic viscosity of the fluid (m2/s). The Reynolds number...
    51 KB (6,446 words) - 18:17, 22 February 2025
  • Thumbnail for Inner core super-rotation
    paper showed that relative rotation could occur if the inner core was able to change its shape. This would require the viscosity to be less than 1.5 x 1020...
    24 KB (2,877 words) - 17:01, 27 May 2025
  • Viscotherm (category Viscosity)
    describe equipment for control of viscosity and temperature of a fluid, in particular of fuel oil in fuel viscosity control systems. The term originated...
    3 KB (304 words) - 04:06, 24 January 2025
  • fluid which is a fluid with zero viscosity. The Reynolds number of inviscid flow approaches infinity as the viscosity approaches zero. When viscous forces...
    14 KB (1,722 words) - 11:52, 25 May 2025
  • body; the magnitude also depends upon the body's surface roughness and viscosity of the fluid. Accurate quantitative predictions of the force are difficult...
    29 KB (3,551 words) - 06:49, 24 April 2025
  • Thumbnail for Turbulence modeling
    are given by augmenting the molecular viscosity with an eddy viscosity. This can be a simple constant eddy viscosity (which works well for some free shear...
    16 KB (2,076 words) - 17:02, 17 February 2025
  • Thumbnail for Kinetic theory of gases
    volume, pressure, and temperature, as well as transport properties such as viscosity, thermal conductivity and mass diffusivity. The basic version of the model...
    62 KB (8,974 words) - 15:13, 27 May 2025
  • The shear viscosity (or viscosity, in short) of a fluid is a material property that describes the friction between internal neighboring fluid surfaces...
    127 KB (23,318 words) - 23:51, 24 May 2025
  • Hemorheology (redirect from Blood viscosity)
    the density. Blood viscosity can be measured by viscometers capable of measurements at various shear rates, such as a rotational viscometer. Blood is...
    34 KB (4,966 words) - 19:53, 19 June 2024
  • Thumbnail for Quicksand
    escaped by slow movement of the legs in order to increase viscosity of the fluid, and rotation of the body so as to float in the supine position (lying...
    7 KB (823 words) - 07:11, 11 May 2025
  • Thumbnail for Shear thinning
    rheology, shear thinning is the non-Newtonian behavior of fluids whose viscosity decreases under shear strain. It is sometimes considered synonymous for...
    10 KB (1,199 words) - 10:17, 15 November 2024
  • Thumbnail for Pierre-Louis Lions
    Union's prestigious Fields Medal. He was cited for his contributions to viscosity solutions, the Boltzmann equation, and the calculus of variations. He...
    29 KB (2,101 words) - 16:24, 12 April 2025
  • Thumbnail for Accretion disk
    hand, viscosity itself was not enough to explain the transport of angular momentum to the exterior parts of the disk. Turbulence-enhanced viscosity was...
    33 KB (4,358 words) - 08:33, 1 April 2025
  • Thumbnail for Ball bearing
    between the bearing races. The purpose of a ball bearing is to reduce rotational friction and support radial and axial loads. It achieves this by using...
    31 KB (4,474 words) - 01:51, 16 March 2025
  • Thumbnail for Turbulence
    molecular viscosity into heat. Turbulent flow is always rotational and three dimensional. For example, atmospheric cyclones are rotational but their substantially...
    47 KB (5,606 words) - 11:04, 1 May 2025
  • Thumbnail for Brake fluid
    systems, DOT 4 and DOT 5.1 brake fluids exist with low viscosity meeting the maximum 750 mm2/s viscosity at −40 °C (−40 °F) requirement of ISO 4925 class 6...
    20 KB (2,150 words) - 16:07, 24 May 2025
  • Thumbnail for Gas
    Gas (section Viscosity)
    conclusion. Compared to the other states of matter, gases have low density and viscosity. Pressure and temperature influence the particles within a certain volume...
    52 KB (6,650 words) - 14:28, 30 May 2025
  • Vorticity (redirect from Rotationality)
    derived from the Navier–Stokes equations. In many real flows where the viscosity can be neglected (more precisely, in flows with high Reynolds number)...
    23 KB (2,718 words) - 04:08, 19 May 2025