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  2. Vapor quality - Wikipedia

    en.wikipedia.org/wiki/Vapor_quality

    In thermodynamics, vapor quality is the mass fraction in a saturated mixture that is vapor; [1] in other words, saturated vapor has a "quality" of 100%, and saturated liquid has a "quality" of 0%. Vapor quality is an intensive property which can be used in conjunction with other independent intensive properties to specify the thermodynamic ...

  3. Saturation dome - Wikipedia

    en.wikipedia.org/wiki/Saturation_Dome

    This quality is defined as the fraction of the total mixture which is vapor, based on mass. [3] A fully saturated vapor has a quality of 100% while a saturated liquid has a quality of 0%. Quality can be estimated graphically as it is related to the specific volume, or how far horizontally across the dome the point exists.

  4. Critical point (thermodynamics) - Wikipedia

    en.wikipedia.org/wiki/Critical_point...

    The commonly known phases solid, liquid and vapor are separated by phase boundaries, i.e. pressure–temperature combinations where two phases can coexist. At the triple point, all three phases can coexist. However, the liquidvapor boundary terminates in an endpoint at some critical temperature T c and critical pressure p c. This is the ...

  5. Kelvin equation - Wikipedia

    en.wikipedia.org/wiki/Kelvin_equation

    This may be written in the following form, known as the Ostwald–Freundlich equation: ⁡ =, where is the actual vapour pressure, is the saturated vapour pressure when the surface is flat, is the liquid/vapor surface tension, is the molar volume of the liquid, is the universal gas constant, is the radius of the droplet, and is temperature.

  6. Vapor–liquid equilibrium - Wikipedia

    en.wikipedia.org/wiki/Vaporliquid_equilibrium

    The mole fraction of a given component of a mixture in a particular phase (either the vapor or the liquid phase) is the number of moles of that component in that phase divided by the total number of moles of all components in that phase.

  7. Stefan problem - Wikipedia

    en.wikipedia.org/wiki/Stefan_problem

    Additionally, the solution of the Cahn–Hilliard equation for a binary mixture is reasonably comparable with the solution of a Stefan problem. [11] In this comparison, the Stefan problem was solved using a front-tracking, moving-mesh method with homogeneous Neumann boundary conditions at the outer boundary. Also, Stefan problems can be applied ...

  8. Relative volatility - Wikipedia

    en.wikipedia.org/wiki/Relative_volatility

    Relative volatility is a measure comparing the vapor pressures of the components in a liquid mixture of chemicals. This quantity is widely used in designing large industrial distillation processes. [ 1 ] [ 2 ] [ 3 ] In effect, it indicates the ease or difficulty of using distillation to separate the more volatile components from the less ...

  9. Entropy of mixing - Wikipedia

    en.wikipedia.org/wiki/Entropy_of_mixing

    In thermodynamics, the entropy of mixing is the increase in the total entropy when several initially separate systems of different composition, each in a thermodynamic state of internal equilibrium, are mixed without chemical reaction by the thermodynamic operation of removal of impermeable partition(s) between them, followed by a time for establishment of a new thermodynamic state of internal ...

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