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polytropic index

См. также в других словарях:

  • Polytropic process — A polytropic process is a thermodynamic process that obeys the relation::P V^n = C,where P is pressure, V is volume, n is any real number (the polytropic index), and C is a constant. This equation can be used to accurately characterize processes… …   Wikipedia

  • 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 ho^{((n+1)/n)}, where P is pressure, ho is density and K is a constant. The constant n is known as the… …   Wikipedia

  • Airmass — For air mass in meteorology, see air mass .In astronomy, airmass is the optical path length through Earth s atmosphere for light from a celestial source.As it passes through the atmosphere, light isattenuated by scattering and absorption; the… …   Wikipedia

  • Heat capacity — Thermodynamics …   Wikipedia

  • Lane-Emden equation — In astrophysics, the Lane Emden equation is Poisson s equation for the gravitational potential of a self gravitating, spherically symmetric polytropic fluid. It is named after the astrophysicists Jonathan Homer Lane and Robert Emden. Its solution …   Wikipedia

  • Ocean thermal energy conversion — Temperature differences between the surface and 1000m depth in the oceans Ocean Thermal Energy Conversion (OTEC) uses the difference between cooler deep and warmer shallow or surface ocean waters to run a heat engine and produce useful work,… …   Wikipedia

  • Arthur Stanley Eddington — Infobox Scientist name = Arthur Eddington image width = 247px caption = Arthur Stanley Eddington birth date = birth date|1882|12|28|df=y death date = death date and age|1944|11|22|1882|12|28|df=y birth place = Kendal, England death place =… …   Wikipedia

  • Entropy — This article is about entropy in thermodynamics. For entropy in information theory, see Entropy (information theory). For a comparison of entropy in information theory with entropy in thermodynamics, see Entropy in thermodynamics and information… …   Wikipedia

  • Ideal gas — Thermodynamics …   Wikipedia

  • Centrifugal compressor — Centrifugal compressors, sometimes termed radial compressors, are a sub class of dynamic axisymmetric work absorbing turbomachinery.[1] Centrifugal impeller with a highly polished surface likely to improve performance …   Wikipedia

  • Thermal expansion — Thermodynamics …   Wikipedia

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