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In thermodynamics, the Volume Correction Factor (VCF), also known as Correction for the effect of Temperature on Liquid (CTL), is a standardized computed factor used to correct for the thermal expansion of fluids, primarily, liquid hydrocarbons at various temperatures and densities.
While the volume can be expressed as an integral over the surface areas using the coarea formula, the coarea formula contains a correction factor that accounts for how the p-norm varies from point to point. For p = 2 and p = ∞, this factor is one.
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 gas law to include the non-zero size of gas molecules and the interactions between them (both of which depend on the specific substance).
In thermodynamics, the compressibility factor (Z), also known as the compression factor or the gas deviation factor, describes the deviation of a real gas from ideal gas behaviour. It is simply defined as the ratio of the molar volume of a gas to the molar volume of an ideal gas at the same temperature and pressure .
The surface tension and correction factors are expressed by γ = F 4 π R f , {\displaystyle \gamma ={\frac {F}{4\pi R}}f,} where γ is surface tension, R is the average diameter of the ring, and f is correction factor.
The Redlich–Kwong equation is formulated as: [1] [3] where: p is the gas pressure. R is the gas constant, T is temperature, Vm is the molar volume ( V / n ), a is a constant that corrects for attractive potential of molecules, and. b is a constant that corrects for volume.
CTL is a volume correction factor for the effects of temperature on liquid SF, Shrinkage Factor , adjusts for changes in pressure temperature and composition, for instance shrinkage of fluid occurs when pressure drops and constituents change to gas phase
In fluid dynamics, the Darcy–Weisbach equation is an empirical equation that relates the head loss, or pressure loss, due to friction along a given length of pipe to the average velocity of the fluid flow for an incompressible fluid. The equation is named after Henry Darcy and Julius Weisbach.
The Helmholtz resonator, as it is now called, consists of a rigid container of a known volume, nearly spherical in shape, with a small neck and hole in one end and a larger hole in the other end to emit the sound.
Peneloux et alios (1982) proposed a simple correction for this by introducing a volume translation V m , SRK = V m + c {\displaystyle V_{{\text{m}},{\text{SRK}}}=V_{\text{m}}+c} where c {\displaystyle c} is an additional fluid component parameter that translates the molar volume slightly.