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单词 Clausius–Clapeyron equation
释义
Clausius–Clapeyron equation

Chemical Engineering
  • A relationship between the change in saturated vapour pressure and the latent heat of vaporization when there is a change of state:

    dpdT=λ(Vv)T

    where λ is the latent heat of vaporization, p is the saturated vapour pressure, T the absolute temperature, V the specific volume of the vapour at T, and v is the specific volume of the liquid. Assuming that the ideal gas law applies, then the equation can be written as:

    d ln pdT=LRT2

    The equation can also be used for the transition of a solid to a liquid. The equation is named after German physicist Rudolph Clausius (1822–88) and French engineer Benoît Paul Émile Clapeyron (1799–1864).


Geology and Earth Sciences
  • See clapeyron–clausius equation.


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