• The two-dimensional point vortex gas is a discrete particle model used to study turbulence in two-dimensional ideal fluids. The two-dimensional guiding-center...
    2 KB (285 words) - 15:12, 27 November 2023
  • Vorticity (redirect from Vortex line)
    'strength' of the vortex tube is also constant with time. Viscous effects introduce frictional losses and time dependence. In a three-dimensional flow, vorticity...
    23 KB (2,718 words) - 04:08, 19 May 2025
  • Thumbnail for Vortex ring
    vortex ring is said to be toroidal, more precisely poloidal.[clarification needed] Vortex rings are plentiful in turbulent flows of liquids and gases...
    40 KB (5,034 words) - 23:07, 22 May 2025
  • Thumbnail for Quantum vortex
    quantum vortex. Quantum vortices are observed experimentally in type-II superconductors (the Abrikosov vortex), liquid helium, and atomic gases (see Bose–Einstein...
    17 KB (2,326 words) - 23:01, 17 April 2025
  • form of turbulence might be possible in a superfluid via the quantized vortex lines was first suggested by Richard Feynman. The dynamics of quantum fluids...
    51 KB (6,321 words) - 14:05, 22 June 2025
  • between the two vortices.: 8.1.1  Three-dimensional lift and the occurrence of wingtip vortices can be approached with the concept of horseshoe vortex and described...
    21 KB (2,651 words) - 21:07, 31 May 2025
  • ultracold gas Bose-Einstein condensates, when the healing length setting the vortex core size is very small compared to the system size. Point vortices...
    17 KB (1,912 words) - 18:41, 23 May 2025
  • Thumbnail for Bose–Einstein condensate
    with wavelength-scale mirror separation, forming a two-dimensional harmonically confined photon gas with tunable chemical potential. BEC of plasmonic quasiparticles...
    87 KB (10,731 words) - 05:38, 30 June 2025
  • is a phase transition of the two-dimensional (2-D) XY model in statistical physics. It is a transition from bound vortex-antivortex pairs at low temperatures...
    15 KB (2,225 words) - 13:48, 30 June 2025
  • Thumbnail for Computational fluid dynamics
    supplanted by a locally fully developed assumption. One-dimensional Euler equations or one-dimensional gas-dynamic equations (1D-EE): Start with the EE. Assume...
    68 KB (8,651 words) - 09:54, 11 July 2025
  • divergence in the specific heat. Indeed, like the one-dimensional Ising model, the one-dimensional XY model has no phase transitions at finite temperature...
    31 KB (4,861 words) - 23:31, 19 June 2025
  • Thumbnail for Potential flow
    production is zero. Shock waves at the pointed leading edge of two-dimensional wedge or three-dimensional cone (Taylor–Maccoll flow) has constant intensity. 2)...
    35 KB (5,209 words) - 17:01, 14 July 2025
  • right with a water jet. The laminar two-dimensional jet amplifies small disturbances at the orifice to generate a vortex street. For this case, the flow speed...
    82 KB (12,651 words) - 01:08, 24 May 2025
  • spectroscopy Tweeter, Plasma or Ion tweeter Two-dimensional guiding-center plasma Two-dimensional point vortex gas Two-stream instability U-HID, Ultra High Intensity...
    25 KB (2,394 words) - 12:13, 5 January 2025
  • Thumbnail for Superfluidity
    been observed in an ultracold bosonic gas using rubidium-87 in 2000, and more recently in two-dimensional gases. As early as 1999, Lene Hau created such...
    14 KB (1,460 words) - 02:44, 9 July 2025
  • Two-dimensional nuclear magnetic resonance spectroscopy Two-dimensional point vortex gas Two-phase flow Two-photon absorption Two-photon physics Two-state...
    19 KB (2,020 words) - 14:34, 30 November 2024
  • Thumbnail for Negative temperature
    1103/PhysRevB.46.6760. PMID 10002377. Montgomery, D. C. (1972). "Two-dimensional vortex motion and "negative temperatures"". Physics Letters A. 39 (1):...
    30 KB (3,988 words) - 19:48, 27 May 2025
  • existence of quantized vortex lines in superfluid helium. In the 1960s, Rayfield and Reif established the existence of quantized vortex rings. Packard has...
    41 KB (4,993 words) - 19:53, 25 June 2025
  • and ∇h is the 2-dimensional (i.e. horizontal-component-only) del. Vorticity Barotropic vorticity equation Vortex stretching Burgers vortex Fetter, Alexander...
    12 KB (1,693 words) - 21:58, 14 July 2025
  • Thumbnail for Ising model
    Ising. The one-dimensional Ising model was solved by Ising (1925) alone in his 1924 thesis; it has no phase transition. The two-dimensional square-lattice...
    88 KB (13,240 words) - 10:22, 30 June 2025
  • Thumbnail for Turbulence
    and three dimensional. For example, atmospheric cyclones are rotational but their substantially two-dimensional shapes do not allow vortex generation...
    47 KB (5,591 words) - 14:52, 12 July 2025
  • Thumbnail for Thermowell
    Communication (1984), Off-Gas Temperature Measurement Case Permana, Yhenda (1995) "Thermowell failure as a result of vortex shedding phenomena", Vibration...
    18 KB (2,640 words) - 15:53, 22 April 2024
  • Thumbnail for Phase transition
    Kosterlitz–Thouless transition in the two-dimensional XY model. Many quantum phase transitions, e.g., in two-dimensional electron gases, belong to this class. The...
    55 KB (6,723 words) - 19:55, 4 July 2025
  • Thumbnail for Multiphase flow
    flow, flows that were previously limited to one-dimensional problems could be pushed to three-dimensional models. Projects to develop multiphase flow metering...
    38 KB (4,120 words) - 08:44, 12 July 2025
  • the number of times the volume is filled to measure flow. Fluid dynamic (vortex shedding) Anemometer Ultrasonic flow meter Mass flow meter (Coriolis force)...
    50 KB (7,063 words) - 11:14, 3 June 2025
  • Thumbnail for Plume (fluid dynamics)
    one dimensional instantaneous point source we consider a mass M {\displaystyle M} released at an instantaneous point in time, in a one dimensional domain...
    11 KB (1,461 words) - 22:39, 12 June 2024
  • Thumbnail for Nonlinear Schrödinger equation
    transformed to a system one-dimensional noninteracting spinless fermions. The nonlinear Schrödinger equation is a simplified 1+1-dimensional form of the Ginzburg–Landau...
    24 KB (3,272 words) - 22:49, 6 July 2025
  • pressures, atoms form the three classical states of matter: solid, liquid and gas. Complex molecules can also form various mesophases such as liquid crystals...
    15 KB (1,869 words) - 09:29, 27 June 2025
  • type of quasiparticle so far observed only in two-dimensional systems. In three-dimensional systems, only two kinds of elementary particles are seen: fermions...
    44 KB (5,318 words) - 10:01, 30 June 2025
  • Thumbnail for Free surface
    which is known as a potential vortex in fluid mechanics. "Ricerca Italiana - PRIN - Global stability of three-dimensional flows". Archived from the original...
    15 KB (1,870 words) - 02:12, 5 May 2024