• Thumbnail for Boltzmann equation
    The Boltzmann equation or Boltzmann transport equation (BTE) describes the statistical behaviour of a thermodynamic system not in a state of equilibrium;...
    35 KB (4,977 words) - 03:35, 11 September 2024
  • The Poisson–Boltzmann equation describes the distribution of the electric potential in solution in the direction normal to a charged surface. This distribution...
    27 KB (4,146 words) - 17:21, 19 November 2024
  • Thumbnail for Boltzmann's entropy formula
    In statistical mechanics, Boltzmann's equation (also known as the Boltzmann–Planck equation) is a probability equation relating the entropy S {\displaystyle...
    13 KB (1,550 words) - 01:53, 31 March 2024
  • Thumbnail for Ludwig Boltzmann
    Ludwig Eduard Boltzmann ForMemRS (/ˈbɒltsmən/, US also /ˈboʊl-, ˈbɔːl-/, Austrian German: [ˈluːdvɪɡ ˈbɔltsman]; 20 February 1844 – 5 September 1906) was...
    48 KB (5,383 words) - 21:59, 18 November 2024
  • Thumbnail for Stefan–Boltzmann law
    The Stefan–Boltzmann law, also known as Stefan's law, describes the intensity of the thermal radiation emitted by matter in terms of that matter's temperature...
    38 KB (5,480 words) - 13:33, 25 September 2024
  • Thumbnail for Boltzmann constant
    The Boltzmann constant (kB or k) is the proportionality factor that relates the average relative thermal energy of particles in a gas with the thermodynamic...
    26 KB (2,924 words) - 01:31, 14 November 2024
  • natural consequence of the kinetic equation derived by Boltzmann that has come to be known as Boltzmann's equation. The H-theorem has led to considerable...
    32 KB (4,244 words) - 20:51, 2 July 2024
  • different interpretation of the lattice Boltzmann equation is that of a discrete-velocity Boltzmann equation. The numerical methods of solution of the...
    45 KB (7,650 words) - 19:32, 21 October 2024
  • Thumbnail for Maxwell–Boltzmann distribution
    Maxwell–Boltzmann distribution, or Maxwell(ian) distribution, is a particular probability distribution named after James Clerk Maxwell and Ludwig Boltzmann....
    38 KB (5,998 words) - 10:43, 5 November 2024
  • Thumbnail for Poisson's equation
    charge density follows a Boltzmann distribution, then the Poisson–Boltzmann equation results. The Poisson–Boltzmann equation plays a role in the development...
    17 KB (2,372 words) - 08:38, 19 October 2024
  • Thumbnail for Navier–Stokes equations
    de Saint-Venant Boltzmann equation Cauchy momentum equation Cauchy stress tensor Chapman–Enskog theory Churchill–Bernstein equation Coandă effect Computational...
    97 KB (15,355 words) - 05:59, 25 October 2024
  • The quantum Boltzmann equation, also known as the Uehling–Uhlenbeck equation, is the quantum mechanical modification of the Boltzmann equation, which gives...
    7 KB (972 words) - 10:58, 19 November 2024
  • Thumbnail for Fokker–Planck equation
    equations Boltzmann equation Convection–diffusion equation Klein–Kramers equation Kolmogorov backward equation Kolmogorov equation Langevin equation Master...
    35 KB (6,476 words) - 13:00, 4 October 2024
  • The Williams–Boltzmann equation, also known as the Williams spray equation is a kinetic equation modeling the statistical evolution of evaporating or...
    8 KB (1,560 words) - 15:32, 26 October 2024
  • physical chemistry, the Arrhenius equation is a formula for the temperature dependence of reaction rates. The equation was proposed by Svante Arrhenius...
    21 KB (2,776 words) - 16:53, 14 November 2024
  • an alternative to the Boltzmann equation in the case of Coulomb interaction. When used with the Vlasov equation, the equation yields the time evolution...
    7 KB (1,291 words) - 02:01, 8 March 2024
  • Thumbnail for Maxwell–Boltzmann statistics
    In statistical mechanics, Maxwell–Boltzmann statistics describes the distribution of classical material particles over various energy states in thermal...
    22 KB (3,996 words) - 13:43, 11 October 2024
  • Thumbnail for Diffusion
    Ludwig Boltzmann, in the development of the atomistic backgrounds of the macroscopic transport processes, introduced the Boltzmann equation, which has...
    56 KB (8,418 words) - 09:33, 21 November 2024
  • is the Boltzmann constant. A simple derivation of the Boltzmann relation for the electrons can be obtained using the momentum fluid equation of the two-fluid...
    3 KB (462 words) - 13:05, 27 November 2023
  • theory provides a framework in which equations of hydrodynamics for a gas can be derived from the Boltzmann equation. The technique justifies the otherwise...
    32 KB (4,882 words) - 22:01, 23 September 2024
  • superposition principle. Nevertheless, the two equations can be combined to produce the Poisson–Boltzmann equation. ∇ 2 ψ j ( r ) = − 1 ϵ 0 ϵ r ∑ i { n i (...
    42 KB (7,541 words) - 23:33, 11 August 2024
  • First, Vlasov argues that the standard kinetic approach based on the Boltzmann equation has difficulties when applied to a description of the plasma with...
    15 KB (2,489 words) - 11:20, 4 October 2024
  • Thumbnail for Partial differential equation
    parabolic partial differential equations, fluid mechanics, Boltzmann equations, and dispersive partial differential equations. A function u(x, y, z) of three...
    51 KB (7,288 words) - 01:48, 21 November 2024
  • Thumbnail for Cédric Villani
    differential equations involved in statistical mechanics, specifically the Boltzmann equation, where, with Laurent Desvillettes, he was the first to prove how quickly...
    23 KB (2,083 words) - 17:56, 5 October 2024
  • Thumbnail for Boltzmann distribution
    In statistical mechanics and mathematics, a Boltzmann distribution (also called Gibbs distribution) is a probability distribution or probability measure...
    20 KB (2,478 words) - 02:32, 17 September 2024
  • expressions for thermal conductivity starting from the Boltzmann equation. The Boltzmann equation, in turn, provides a statistical description of a dilute...
    63 KB (8,360 words) - 20:48, 18 October 2024
  • Thumbnail for Viscosity
    which derives expressions for the viscosity of a dilute gas from the Boltzmann equation. Viscosity in gases arises principally from the molecular diffusion...
    99 KB (11,449 words) - 16:31, 25 October 2024
  • operator) term refers to a collision operator used in the Boltzmann equation and in the lattice Boltzmann method, a computational fluid dynamics technique. It...
    2 KB (198 words) - 08:55, 11 February 2024
  • Thumbnail for Jeans equations
    Richard Arnold. The Collisionless Boltzmann equation, also called the Vlasov Equation is a special form of Liouville' equation and is given by: ∂ f ∂ t + v...
    12 KB (1,690 words) - 21:29, 19 October 2024
  • systems. Algebraic Riccati equation Ball and beam system Bellman equation for optimal policy Boltzmann equation Colebrook equation General relativity Ginzburg–Landau...
    21 KB (2,597 words) - 16:51, 7 September 2024