“bubble point”的概念、定义、翻译、参考文献-科学参考

bubble point

Chemical Engineering

The temperature at which bubbles of vapour first appear on heating a liquid. For single component mixtures the bubble point and the dew point are the same. For a mixture, the vapour will have a different composition from the liquid. Together with the dew point at different compositions these provide useful data when designing distillation systems. At the bubble point:
$\sum_{i = 1}^{n} y_{i} = \sum_{i = 1}^{n} K_{i} x_{i} = 1.0$

where K_i is the distribution or K-factor and is the ratio of the mole fraction in the vapour phase, y, to the mole fraction in the liquid phase, x, at equilibrium.

单词	bubble point
释义	bubble point Chemical Engineering The temperature at which bubbles of vapour first appear on heating a liquid. For single component mixtures the bubble point and the dew point are the same. For a mixture, the vapour will have a different composition from the liquid. Together with the dew point at different compositions these provide useful data when designing distillation systems. At the bubble point: $\sum_{i = 1}^{n} y_{i} = \sum_{i = 1}^{n} K_{i} x_{i} = 1.0$ where K_i is the distribution or K-factor and is the ratio of the mole fraction in the vapour phase, y, to the mole fraction in the liquid phase, x, at equilibrium.
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