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
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
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
} 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
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
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...
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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:...
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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
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...
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conduction Cabinet I Cabinet II - measuring instruments (lower shelf) Polytrope G.E. Sire Cabinet III: electricity Cabinet III Cabinet III Cabinet III...
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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
Local Group. Extragalactic Distance Scale Leonard-Merritt mass estimator Polytrope Taylor, Matthew; Puzia, Thomas; Gomez, Matias; Woodley, Kristin (17 March...
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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
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