• Thumbnail for John William Strutt, 3rd Baron Rayleigh
    John William Strutt, 3rd Baron Rayleigh, OM PC FRS (/ˈreɪli/; 12 November 1842 – 30 June 1919) was an English mathematician and physicist who made extensive...
    26 KB (2,324 words) - 14:18, 22 September 2024
  • Thumbnail for Rayleigh–Jeans law
    has the Rayleigh–Jeans law as its low-frequency limit. In 1900, the British physicist Lord Rayleigh derived the λ−4 dependence of the Rayleigh–Jeans law...
    11 KB (1,842 words) - 09:46, 3 November 2023
  • Thumbnail for Rayleigh scattering
    phenomenon is named after the 19th-century British physicist Lord Rayleigh (John William Strutt). Rayleigh scattering results from the electric polarizability...
    23 KB (2,816 words) - 15:46, 19 September 2024
  • Thumbnail for Rayleigh distribution
    two degrees of freedom. The distribution is named after Lord Rayleigh (/ˈreɪli/). A Rayleigh distribution is often observed when the overall magnitude...
    16 KB (2,183 words) - 11:03, 20 July 2024
  • In fluid mechanics, the Rayleigh number (Ra, after Lord Rayleigh) for a fluid is a dimensionless number associated with buoyancy-driven flow, also known...
    13 KB (1,923 words) - 05:12, 8 July 2024
  • Thumbnail for Rayleigh–Taylor instability
    The Rayleigh–Taylor instability, or RT instability (after Lord Rayleigh and G. I. Taylor), is an instability of an interface between two fluids of different...
    28 KB (4,213 words) - 09:19, 13 September 2024
  • series. It is also known as Rayleigh's energy theorem, or Rayleigh's identity, after John William Strutt, Lord Rayleigh. Although the term "Parseval's...
    9 KB (1,825 words) - 15:22, 1 October 2024
  • context of solving physical boundary value problems and named after Lord Rayleigh and Walther Ritz. In this method, an infinite-dimensional linear operator...
    33 KB (5,732 words) - 14:05, 6 October 2024
  • In fluid dynamics, Rayleigh flow (after English physicist Lord Rayleigh) refers to frictionless, non-adiabatic fluid flow through a constant-area duct...
    10 KB (1,775 words) - 07:36, 21 September 2024
  • Lord Rayleigh (John William Strutt, 3rd Baron Rayleigh, 12 November 1842 – 30 June 1919) was a British physicist and mathematician who is the source of...
    3 KB (242 words) - 09:09, 26 July 2024
  • Reynolds number and the Mach number. The equation is attributed to Lord Rayleigh, who originally used L2 in place of A (with L being some linear dimension)...
    11 KB (1,721 words) - 01:03, 27 September 2024
  • In fluid thermodynamics, Rayleigh–Bénard convection is a type of natural convection, occurring in a planar horizontal layer of fluid heated from below...
    19 KB (2,130 words) - 07:50, 8 October 2024
  • Thumbnail for Angular resolution
    the aperture and the wavelength of the light) by the Rayleigh criterion defined by Lord Rayleigh: two point sources are regarded as just resolved when...
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  • deteriorated a short time into his tenure, and he died in 1879, aged 48. Lord Rayleigh replaced Maxwell immediately upon his death, being universally agreed...
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  • In mathematics, the Rayleigh quotient (/ˈreɪ.li/) for a given complex Hermitian matrix M {\displaystyle M} and nonzero vector x {\displaystyle x} is defined...
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  • of meteoric water due to condensation. The original Rayleigh equation was derived by Lord Rayleigh for the case of fractional distillation of mixed liquids...
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  • between these component motions. The existence of Rayleigh waves was predicted in 1885 by Lord Rayleigh, after whom they were named. In isotropic solids...
    16 KB (2,181 words) - 16:14, 9 May 2023
  • In physics, the Rayleigh dissipation function, named after Lord Rayleigh, is a function used to handle the effects of velocity-proportional frictional...
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  • Thumbnail for Argon
    Henry Cavendish in 1785. Argon was first isolated from air in 1894 by Lord Rayleigh and Sir William Ramsay at University College London by removing oxygen...
    39 KB (4,694 words) - 22:14, 6 September 2024
  • Thumbnail for Waveguide
    electromagnetic waves in a metal cylinder was performed by Lord Rayleigh in 1897.: 8  For sound waves, Lord Rayleigh published a full mathematical analysis of propagation...
    29 KB (3,485 words) - 20:49, 13 September 2024
  • region, domain walls are moving. They are hindered by material defects. Lord Rayleigh investigated this first and quantified the magnetization M {\displaystyle...
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  • Rayleigh–Gans approximation, also known as Rayleigh–Gans–Debye approximation and Rayleigh–Gans–Born approximation, is an approximate solution to light...
    9 KB (1,210 words) - 08:36, 15 July 2024
  • Thumbnail for Ultraviolet catastrophe
    The ultraviolet catastrophe, also called the Rayleigh–Jeans catastrophe, was the prediction of late 19th century to early 20th century classical physics...
    9 KB (1,041 words) - 18:24, 25 September 2024
  • Thumbnail for Robert Strutt, 4th Baron Rayleigh
    Robert John Strutt, 4th Baron Rayleigh FRS (28 August 1875 – 13 December 1947) was a British peer and physicist. He discovered "active nitrogen" and was...
    13 KB (1,421 words) - 22:22, 4 October 2024
  • sudden movement of an infinitely long plate from rest, named after Lord Rayleigh and Sir George Stokes. This is considered as one of the simplest unsteady...
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  • Thumbnail for Sonoluminescence
    is characterized to a first approximation by the Rayleigh–Plesset equation (named after Lord Rayleigh and Milton Plesset): R R ¨ + 3 2 R ˙ 2 = 1 ρ ( P...
    30 KB (3,499 words) - 07:49, 20 June 2024
  • Rayleigh fading is a statistical model for the effect of a propagation environment on a radio signal, such as that used by wireless devices. Rayleigh...
    17 KB (2,380 words) - 14:12, 15 December 2023
  • Thumbnail for Jagadish Chandra Bose
    health problems. Instead, he conducted research with Nobel Laureate, Lord Rayleigh at the University of Cambridge. Bose returned to India to join the Presidency...
    48 KB (5,115 words) - 13:52, 13 October 2024
  • In spectral geometry, the Rayleigh–Faber–Krahn inequality, named after its conjecturer, Lord Rayleigh, and two individuals who independently proved the...
    2 KB (210 words) - 08:24, 13 February 2024
  • Thumbnail for Rayleigh's equation (fluid dynamics)
    with respect to z . {\displaystyle z.} The equation is named after Lord Rayleigh, who introduced it in 1880. The Orr–Sommerfeld equation – introduced...
    8 KB (1,204 words) - 01:23, 22 October 2022