• physics, length scale is a particular length or distance determined with the precision of at most a few orders of magnitude. The concept of length scale is...
    4 KB (528 words) - 16:49, 22 April 2024
  • The integral length scale measures the correlation distance of a process in terms of space or time. In essence, it looks at the overall memory of the process...
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  • Scale length may refer to: Length scale (or "scale length"), a significant concept in physics used to define the order of magnitude of a system Scale...
    420 bytes (94 words) - 22:52, 22 September 2013
  • The scale length of a string instrument is the maximum vibrating length of the strings that produce sound, and determines the range of tones that string...
    12 KB (1,702 words) - 21:39, 16 April 2025
  • Thumbnail for Planck units
    Planck units (redirect from Planck length)
    Planck length. This is sometimes expressed by saying that "spacetime becomes a foam at the Planck scale". It is possible that the Planck length is the...
    54 KB (6,119 words) - 13:51, 15 May 2025
  • The macroscopic scale is the length scale on which objects or phenomena are large enough to be visible with the naked eye, without magnifying optical...
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  • units of an inverse length squared, and by dimensional analysis leads to the definition of the characteristic length scale: Debye length λ D = ( ε k B T ∑...
    20 KB (2,744 words) - 09:37, 25 March 2025
  • to classify and describe very small objects. One common microscopic length scale unit is the micrometre (also called a micron) (symbol: μm), which is...
    26 KB (2,586 words) - 17:49, 25 May 2025
  • Thumbnail for Turbulence
    characteristic length scale for the eddies, which are also characterized by flow velocity scales and time scales (turnover time) dependent on the length scale. The...
    47 KB (5,606 words) - 11:04, 1 May 2025
  • Thumbnail for Bjerrum length
    and T {\displaystyle T} is the absolute temperature in kelvins. This length scale arises naturally in discussions of electrostatic, electrodynamic and...
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  • physics, mathematics and statistics, scale invariance is a feature of objects or laws that do not change if scales of length, energy, or other variables, are...
    32 KB (4,486 words) - 11:45, 10 September 2024
  • Thumbnail for Vernier scale
    instrument measuring length or measuring angles, but in particular on a vernier caliper, which measures lengths of human-scale objects (including internal...
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  • Thumbnail for Synoptic scale meteorology
    In meteorology, the synoptic scale (also called the large scale or cyclonic scale) is a horizontal length scale of the order of 1,000 km (620 mi) or more...
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  • Typical values of the Kolmogorov length scale, for atmospheric motion in which the large eddies have length scales on the order of kilometers, range...
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  • The Fujita scale (F-Scale; /fuˈdʒiːtə/), or Fujita–Pearson scale (FPP scale), is a scale for rating tornado intensity, based primarily on the damage tornadoes...
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  • Taylor microscale, which is sometimes called the turbulence length scale, is a length scale used to characterize a turbulent fluid flow. This microscale...
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  • radius is a combination of fundamental physical quantities that define a length scale for problems involving an electron interacting with electromagnetic radiation...
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  • Thumbnail for Tanner scale
    such as the size of the breasts, length of the penis, volume of the testes, and growth of pubic hair. This scale was first quantified in 1969 by James...
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  • the ratio of the molecular mean free path length to a representative physical length scale. This length scale could be, for example, the radius of a body...
    11 KB (1,713 words) - 17:15, 31 December 2024
  • Thumbnail for Roughness length
    roughness lengths than tundra. The roughness length does not exactly correspond to any physical length; however, it can be considered as a length-scale representation...
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  • have a well-defined length. Measurements of the length of a coastline behave like a fractal, being different at different scale intervals (distance between...
    41 KB (1,001 words) - 14:26, 18 May 2025
  • Thumbnail for Effective field theory
    freedom to describe physical phenomena occurring at a chosen length scale or energy scale, while ignoring substructure and degrees of freedom at shorter...
    12 KB (1,526 words) - 12:43, 30 April 2025
  • A scale ruler is a tool for measuring lengths and transferring measurements at a fixed ratio of length; two common examples are an architect's scale and...
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  • photon. It is also the appropriate length scale for describing high-energy electromagnetic cascades. The radiation length for a given material consisting...
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  • Thumbnail for Universe
    throughout the universe over length scales longer than 300 million light-years (ly) or so. However, over shorter length-scales, matter tends to clump hierarchically;...
    153 KB (15,934 words) - 23:23, 25 May 2025
  • Thumbnail for Femtometre
    Femtometre (redirect from Fermi (length))
    Italian naturalized to American physicist Enrico Fermi, as it is a typical length-scale of nuclear physics. 1000000 zeptometres = 1 femtometre = 1 fermi = 0...
    4 KB (374 words) - 15:03, 19 December 2024
  • determination of a length as a multiple of the fundamental length unit. Architect's scale Caliper Diagonal scale Engineer's scale Feeler gauge, used in...
    26 KB (3,435 words) - 10:26, 27 May 2025
  • The characteristic energy length scale χ {\displaystyle \chi } describes the size of the region from which energy flows to a rapidly moving crack. If material...
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  • meteorology Synoptic scale meteorology Orders of magnitude (length) Scale (analytical tool) Scale (geography) Scale (map) Scale (ratio) "Scale". The Pennsylvania...
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  • Thumbnail for Computational fluid dynamics
    flow near a wall where the wall-parallel length-scale of interest is much larger than the wall-normal length-scale of interest. Start with the EE. Assume...
    68 KB (8,648 words) - 17:44, 15 April 2025