(line of equal entropy)

См. также в других словарях:

• Entropy (information theory) — In information theory, entropy is a measure of the uncertainty associated with a random variable. The term by itself in this context usually refers to the Shannon entropy, which quantifies, in the sense of an expected value, the information… …   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

• Entropy in thermodynamics and information theory — There are close parallels between the mathematical expressions for the thermodynamic entropy, usually denoted by S , of a physical system in the statistical thermodynamics established by Ludwig Boltzmann and J. Willard Gibbs in the 1870s; and the …   Wikipedia

• Entropy of mixing — The entropy of mixing is the change in the configuration entropy, an extensive thermodynamic quantity, when two different chemical substances or components are mixed. This entropy change must be positive since there is more uncertainty about the… …   Wikipedia

• History of entropy — The concept of entropy developed in response to the observation that a certain amount of functional energy released from combustion reactions is always lost to dissipation or friction and is thus not transformed into useful work . Early heat… …   Wikipedia

• Enthalpy–entropy chart — The Mollier Enthalpy Entropy Diagram for water and steam. The dryness fraction , x, gives the fraction by mass of gaseous water in the wet region, the remainder being droplets of liquid. An enthalpy–entropy chart, also known as the h–s chart or… …   Wikipedia

• isentropic — line connecting points of equal entropy Contour Lines …   Phrontistery dictionary

• Fanno flow — refers to adiabatic flow through a constant area duct where the effect of friction is considered. Compressibility effects often come into consideration, although the Fanno flow model certainly also applies to incompressible flow. For this model,… …   Wikipedia

• Van 't Hoff equation — The van t Hoff equation (also known as the van t Hoff isochore) in chemical thermodynamics relates the change in temperature ( T ) to the change in the equilibrium constant ( K ) given the standard enthalpy change ( ΔHo ) for the process. The… …   Wikipedia

• Sulfanyl — For the chemistry of organo thiyl radicals, see Thiol#Thiyl radicals. Sulfanyl Systematic name Sulfanyl …   Wikipedia

• isentrope — /uy seuhn trohp , uy zeuhn /, n. Thermodynam. a line on a map or chart joining points having equal entropy. [back formation from ISENTROPIC] * * * …   Universalium