chemistry, an equation of state is a thermodynamic equation relating state variables, which describe the state of matter under a given set of physical conditions...

Cubic equations of state are a specific class of thermodynamic models for modeling the pressure of a gas as a function of temperature and density and...

cosmology, the equation of state of a perfect fluid is characterized by a dimensionless number w {\displaystyle w} , equal to the ratio of its pressure...

Birch–Murnaghan isothermal equation of state, published in 1947 by Albert Francis Birch of Harvard, is a relationship between the volume of a body and the pressure...

The van der Waals equation, named for its originator, the Dutch physicist Johannes Diderik van der Waals, is an equation of state that extends the ideal...

Murnaghan equation of state is a relationship between the volume of a body and the pressure to which it is subjected. This is one of many state equations that...

thermodynamics, the Redlich–Kwong equation of state is an empirical, algebraic equation that relates temperature, pressure, and volume of gases. It is generally...

The Navier–Stokes equations (/nævˈjeɪ stoʊks/ nav-YAY STOHKS) are partial differential equations which describe the motion of viscous fluid substances...

called the general gas equation, is the equation of state of a hypothetical ideal gas. It is a good approximation of the behavior of many gases under many...

(found from the equation of state), and c {\displaystyle c}  is the speed of light. Using the TOV equations and an equation of state, a mass-radius curve...

{V_{\text{m}}}{V_{\text{m,c}}}},\ T_{r}={\frac {T}{T_{\text{c}}}}\ } the equation of state can be written in the reduced form: p r = 3 T r V r − b ′ − 1 b ′...

In fluid dynamics, the Euler equations are a set of partial differential equations governing adiabatic and inviscid flow. They are named after Leonhard...

model of thermodynamic equations of state. It expresses the pressure P of a gas in local equilibrium as a power series of the density. This equation may...

connects the equation of state to one or more thermodynamic energy properties. Here we refer to it as a "thermodynamic equation of state." The fundamental...

The Schrödinger equation is a partial differential equation that governs the wave function of a non-relativistic quantum-mechanical system.: 1–2  Its...

The Mie–Grüneisen equation of state is an equation of state that relates the pressure and volume of a solid at a given temperature. It is used to determine...

Functional equation Functional equation (L-function) Constitutive equation Laws of science Defining equation (physical chemistry) List of equations in classical...

A Bellman equation, named after Richard E. Bellman, is a necessary condition for optimality associated with the mathematical optimization method known...

Thermodynamics is expressed by a mathematical framework of thermodynamic equations which relate various thermodynamic quantities and physical properties...

up equation in Wiktionary, the free dictionary. An equation in mathematics is a formula stating that two expressions have the same value. Equation may...

on the equation of state for gases and liquids. Van der Waals started his career as a schoolteacher. He became the first physics professor of the University...

combination of the Soave–Redlich–Kwong equation of state with a mixing rule whose parameters are determined by the UNIFAC method. The equation of state of Soave...

The Benedict–Webb–Rubin equation (BWR), named after Manson Benedict, G. B. Webb, and L. C. Rubin, is an equation of state used in fluid dynamics. Working...

and to demonstrate the physical consequences of their size through the van der Waals equation of state. The van der Waals volume, Vw, also called the...

An equation of state introduced by R. H. Cole p = B [ ( ρ ρ 0 ) γ − 1 ] , {\displaystyle p=B\left[\left({\frac {\rho }{\rho _{0}}}\right)^{\gamma }-1\right]...

fluid mechanics, the Tait equation is an equation of state, used to relate liquid density to hydrostatic pressure. The equation was originally published...

with an equation of state for the considered material. For an ideal gas, evaluating the partial derivatives above according to the equation of state, where...

heat equation is a certain partial differential equation. Solutions of the heat equation are sometimes known as caloric functions. The theory of the heat...

SAFT) is an equation of state that is based on statistical associating fluid theory (SAFT). Like other SAFT equations of state, it makes use of chain and...

determination of molecular fields. —II. From the equation of state of a gas". Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical...