perfect gas is a theoretical gas model that differs from real gases in specific ways that makes certain calculations easier to handle. In all perfect...

The ideal gas law, also called the general gas equation, is the equation of state of a hypothetical ideal gas. It is a good approximation of the behavior...

subset of the perfect gas regime, where the gas can be considered chemically perfect, but the rotational and vibrational temperatures of the gas must be considered...

The molar gas constant (also known as the gas constant, universal gas constant, or ideal gas constant) is denoted by the symbol R or R. It is the molar...

stagnation point is more difficult under an equilibrium gas model than a perfect gas model. Under a perfect gas model, the ratio of specific heats (also called...

properties expressed by the ideal gas law (see § Ideal and perfect gas section below). Gas particles are widely separated from one another, and consequently...

a real gas within classical limits assumes the form of the equation of state of a perfect gas. That is, the equation of state of a perfect gas describes...

internal energy of a perfect gas is independent of the volume it occupies. The above relation can be used as a definition of a perfect gas. The relation π...

all gases have the same volume per mole at a given temperature and pressure far from their points of liquefaction and solidification (see Perfect gas),...

due to friction or dissipative effects. For an isentropic flow of a perfect gas, several relations can be derived to define the pressure, density and...

body Gravitation Properties of bulk matter Thermodynamics Behavior of a perfect gas and Kinetic Theory Oscillations Waves Electrostatics Current Electricity...

a pair of parallel isochoric processes If the working substance is a perfect gas, U {\displaystyle U} is only a function of T {\displaystyle T} for a...

ideal gas is a theoretical gas composed of many randomly moving point particles that are not subject to interparticle interactions. The ideal gas concept...

sufficiently long duct. It can be shown that for flow of calorically perfect gas the maximum entropy occurs at M = 1.0. The Fanno flow model begins with...

today. The ideal gas thermometer is, however, not theoretically perfect for thermodynamics. This is because the entropy of an ideal gas at its absolute...

to completely describe the problem. An example of this would be the perfect gas equation of state: p = ρ R u T M {\displaystyle p={\frac {\rho R_{u}T}{M}}}...

simple compressible calorically-perfect ideal gas: P V γ {\displaystyle PV^{\gamma }} is constant Using the ideal gas law, P V = n R T {\displaystyle...

closely related to the thermodynamic equation of state and ideal gas law. The perfect gas equation of state may be written as p = ρ m R T = ρ m C 2 {\displaystyle...

first enunciated by Alexander Friedmann for the particular case of a perfect gas and published in 1922: D u D t = T ∇ s − ∇ h {\displaystyle {\frac {D\mathbf...

atmospheres containing water do not behave as an ideal gas. See real gas or perfect gas or gas for further understanding.) Hypsometric equation NRLMSISE-00...

(subsystems) are independent from each other, for exemple the model of a perfect gas consider the relations among molecules negligeable. In a nearly decomposable...

{v^{2}}{2}}+w=w_{0}} where w0 is total enthalpy. For a calorically perfect gas such as an ideal gas, the enthalpy is directly proportional to the temperature,...

are often employed as stellar models, since a perfect gas can be thought of as a special case of a perfect fluid. In cosmology, fluid solutions are often...

Perfect Days is a 2023 drama film directed by Wim Wenders from a script written by Wenders and Takuma Takasaki. A co-production between Japan and Germany...

isentropic, but an isentropic flow need not be homentropic. A homentropic and perfect gas is an example of a barotropic fluid where the pressure and density are...

a steady, adiabatic, frictionless, constant area flow of calorically perfect gas:   d m m = − d u u ( M 2 − 1 ) {\displaystyle \ {\frac {dm}{m}}=-{\frac...

normal shock wave, one-dimensional, steady, and adiabatic flow of a perfect gas is assumed. Stagnation temperature and stagnation enthalpy are the same...

attached shock wave is a classic structure in aerodynamics because, for a perfect gas and inviscid flow field, an analytic solution is available, such that...

Pitch Perfect is a 2012 American musical comedy film directed by Jason Moore and written by Kay Cannon. It features an ensemble cast, including Anna Kendrick...

supported Eddington's idea that a star over the critical mass would act as a perfect gas, but according to Chandrasekhar, not all stars would become white dwarfs...