• Thumbnail for Polytrope
    In astrophysics, a polytrope refers to a solution of the Lane–Emden equation in which the pressure depends upon the density in the form P = K ρ ( n +...
    7 KB (863 words) - 22:26, 6 September 2024
  • Thumbnail for Polytropic process
    Isothermal process Polytrope Quasistatic equilibrium Thermodynamics Vapor-compression refrigeration Horedt, G. P. (2004-08-10). Polytropes: Applications in...
    7 KB (527 words) - 04:29, 10 March 2025
  • Solving the hydrostatic equation leads to a model white dwarf that is a polytrope of index ⁠3/2⁠ – and therefore has radius inversely proportional to the...
    34 KB (3,971 words) - 18:48, 30 June 2025
  • Thumbnail for Lane–Emden equation
    describe the run of pressure and density with radius and are known as polytropes of index n {\displaystyle n} . If an isothermal fluid (polytropic index...
    20 KB (3,449 words) - 15:32, 24 May 2025
  • the density gradient now also depends on concentration gradients. For a polytrope solution with n=3 (as in the Eddington stellar model for radiative zone)...
    11 KB (1,732 words) - 11:35, 21 March 2025
  • Thumbnail for Hayashi track
    } where E is unitless, and not the energy. Modelling stars as polytropes with index 3/2 (in other words, assuming they follow a pressure-density...
    24 KB (3,724 words) - 23:23, 15 March 2025
  • Thumbnail for Astrophysics
    a wide variety of tools which include analytical models (for example, polytropes to approximate the behaviors of a star) and computational numerical simulations...
    30 KB (3,285 words) - 20:06, 9 May 2025
  • Thumbnail for Achernar
    Schubert, Gerald (2015). "An exact solution for arbitrarily rotating gaseous polytropes with index unity". Monthly Notices of the Royal Astronomical Society....
    23 KB (2,296 words) - 19:35, 25 May 2025
  • inhomogeneous plasmas. His work on the mathematical treatment of gaseous polytropes in the presence of a magnetic field is a breakthrough in this area. He...
    6 KB (193 words) - 00:18, 6 March 2024
  • Thumbnail for Equation of state
    function Table of thermodynamic equations Real gas Cluster expansion Polytrope Perrot, Pierre (1998). A to Z of Thermodynamics. Oxford University Press...
    40 KB (5,596 words) - 00:54, 20 June 2025
  • method, 1958: Buchdahl ssspf, a relativistic generalization of a Newtonian polytrope, 1967: Kuchowicz ssspf, 1969: Heintzmann ssspf, 1978: Goldman ssspf, 1982:...
    8 KB (923 words) - 16:10, 23 November 2024
  • Thumbnail for Subrahmanyan Chandrasekhar
    Cambridge in the summer of 1933, with a thesis on rotating self-gravitating polytropes. On 9 October, he was elected to a Prize Fellowship at Trinity College...
    60 KB (5,674 words) - 22:39, 1 July 2025
  • Thumbnail for Globular cluster
    dot galaxies are thought to be the progenitors of globular clusters. Polytrope The label M before a number refers to Charles Messier's catalogue, while...
    108 KB (12,140 words) - 07:00, 2 June 2025
  • material. This equation of state is also a general case of the older Polytrope relation which also has a constant power relation. In some circumstances...
    20 KB (2,443 words) - 20:26, 23 June 2025
  • isentropic, isotrope, isotropic, isotropy, pleiotropic, pleiotropy, polytrope, protrepsis, protreptic, psychotropic, treponeme, treponematosis, treponemiasis...
    2 KB (1,766 words) - 04:02, 19 June 2025
  • Thumbnail for Teylers Instrument Room
    conduction Cabinet I Cabinet II - measuring instruments (lower shelf) Polytrope G.E. Sire Cabinet III: electricity Cabinet III Cabinet III Cabinet III...
    10 KB (624 words) - 15:47, 22 March 2024
  • Z_{D}=Z_{T}=1} ), equal temperatures ( T e = T i {\displaystyle T_{e}=T_{i}} ), polytrope exponents γ e = 1 , γ i = 3 {\displaystyle \gamma _{e}=1,\gamma _{i}=3}...
    10 KB (2,461 words) - 09:51, 22 May 2025
  • Thumbnail for Dark globular cluster
    Local Group. Extragalactic Distance Scale Leonard-Merritt mass estimator Polytrope Taylor, Matthew; Puzia, Thomas; Gomez, Matias; Woodley, Kristin (17 March...
    3 KB (259 words) - 00:25, 20 March 2025
  • Polymer solar cell Polymeric liquid crystal Polyphase coil Polyphase system Polytrope Polytropic process Polywater Polywell Pomeranchuk Prize Pomeron Ponderomotive...
    25 KB (2,604 words) - 16:21, 28 December 2024
  • isentropic, isotrope, isotropic, isotropy, pleiotropic, pleiotropy, polytrope, protrepsis, protreptic, psychotropic, treponeme, treponematosis, treponemiasis...
    33 KB (247 words) - 11:16, 1 May 2025
  • Thumbnail for Theoretical astronomy
    a wide variety of tools which include analytical models (for example, polytropes to approximate the behaviors of a star) and computational numerical simulations...
    33 KB (3,883 words) - 08:26, 13 June 2025